Find < F:

(Round your answer to the nearest hundredth)

Find &lt; F:(Round Your Answer To The Nearest Hundredth)

Answers

Answer 1

The length of the hypotenuse is approximately 7.21 ft.

To solve this problem, we can use the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the two shorter sides (legs) is equal to the square of the longest side (hypotenuse). In mathematical terms, it looks like this:

a² + b² = c²

Where "a" and "b" are the lengths of the legs, and "c" is the length of the hypotenuse.

In your case, we can substitute the given values into the equation:

6² + 4² = c²

Simplifying:

36 + 16 = c²

52 = c²

To solve for "c," we need to take the square root of both sides of the equation:

√(52) = c

We can simplify the square root of 52 to be 2 times the square root of 13. Therefore:

c ≈ 7.21 ft

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Complete Question:

Find the value of hypotenuse of the given triangle by using the Pythagoras theorem.


Related Questions

I just need help on B PLS :)


The data modeled by the box plots represent the battery life of two different brands of batteries that Mary


tested.


(a) What is the median value of each data set? (just fyi I know the answer to this already) it's Brand X 13 and Brand Y 16


(b) Compare the median values of the data sets. What does this comparison tell you in terms of the


situation the data represent?

Answers

Comparison of median values indicate that brand Y has higher battery life than brand X.

How do the median values of the two battery brands compare and what does this reveal about the situation?

Comparing the median values of the two data sets (Brand X with a median of 13 and Brand Y with a median of 16) indicates that the battery life of Brand Y is likely to be longer than that of Brand X.

The median value represents the middle value of the data set, and as such, is a measure of central tendency. Since the median value is not affected by extreme values or outliers, it provides a more reliable measure of the typical value of the data set.

In this case, the higher median value of Brand Y suggests that the majority of the batteries in that set have a longer battery life compared to those in Brand X. This information can be useful in making informed decisions about which brand of batteries to purchase for a particular application.

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What is the simplified form of the following expression ? 25xy * sqrt(81/625 *x^2*y ^2) A. 9/25 * x * y B. 9/625 * x ^ 2 * y ^ 2 C. 9xy|xy| D. 9x ^ 2 * y ^ 2

Answers

Let's simplify the expression step by step:

25xy * sqrt(81/625 * x^2 * y^2)

= 25xy * (sqrt(81)/sqrt(625) * sqrt(x^2) / sqrt(y^2))

= 25xy * (9/25 * x/y)

= 9xy * 5/5

= 9xy

Therefore, the simplified form of the expression 25xy * sqrt(81/625 x^2y ^2) is option C, 9xy|xy|.

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Sam cut a plank of wood into 4 pieces. He makes one cut at a time and each cut takes equally as long. He completes this task in 12 minutes. How long will it take him to cut another identical plank into only 3 pieces, working at the same pace?

Answers

Therefore, it will take Sam 8 minutes to cut another identical plank into only 3 pieces, working at the same pace.

What is equation?

An equation is a mathematical statement that shows that two expressions are equal. It consists of two parts: the left-hand side (LHS) and the right-hand side (RHS), which are connected by an equals sign (=). The LHS and RHS can be made up of variables, constants, and mathematical operators such as addition, subtraction, multiplication, division, exponentiation, and roots. The purpose of an equation is to find the values of the variables that satisfy the relationship between the LHS and the RHS. Equations are fundamental to many areas of mathematics, science, engineering, and everyday life.

Here,

If Sam cuts a plank of wood into 4 pieces, then he needs to make 3 cuts. Since each cut takes equally as long, he spends 12/3 = 4 minutes per cut.

To cut another identical plank of wood into 3 pieces, he needs to make 2 cuts. Since he spends 4 minutes per cut, it will take him 2 * 4 = 8 minutes to complete this task.

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12 Let f(x)= x²/4(x+1) Find all critical numbers of f. As your answer please input the sum of all critical numbers.

Answers

The critical numbers of f(x) are x = -1, 0, and 1 and The sum of all critical numbers is 0.

How to find the critical numbers?

To find the critical numbers of f(x) = x²/4(x+1), we need to find the values of x where the derivative of f(x) is equal to zero or does not exist.

The derivative of f(x) is:

f'(x) = [(x+1)(2x) - x²(4)] / [4(x+1)²]

Simplifying, we get:

f'(x) = [2x(x+1) - 4x²] / [4(x+1)²]

f'(x) = [2x(x+1-2x)] / [4(x+1)²]

f'(x) = [2x(1-x)] / [4(x+1)²]

f'(x) = [x(1-x)] / [2(x+1)²]

The critical numbers are the values of x where f'(x) is equal to zero or does not exist.

Setting f'(x) = 0, we get:

x(1-x) = 0

This equation is true when x = 0 or x = 1.

Now, let's check if f'(x) does not exist at x = -1 (which is the only possible point where the derivative may not exist):

f'(x) = [x(1-x)] / [2(x+1)²]

When x = -1, the denominator of f'(x) becomes zero, so the derivative does not exist at x = -1.

Therefore, the critical numbers of f(x) are x = -1, 0, and 1.

The sum of all critical numbers is:

-1 + 0 + 1 = 0

Hence, the answer is 0.

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Adriel decides to research the relationship between the length in inches and the


weight of a certain species of catfish. He measures the length and weight of a number


of specimens he catches then throws back into the water. After plotting all his data,


he draws a line of best fit. What does the slope of the line represent?

Answers

The slope of the line  represents the rate of change in weight for every unit increase in length of the catfish.

How to find the slope of line?

The slope of the line of best fit in this scenario represents the rate of change or the relationship between the length and weight of the catfish. Specifically, the slope indicates the change in weight of the catfish for every unit increase in length.

If the slope is positive, it means that as the length of the catfish increases, its weight also tends to increase. If the slope is negative, it means that as the length of the catfish increases, its weight tends to decrease.

For example, if the slope of the line of best fit is 2, it means that for every one-inch increase in length, the weight of the catfish tends to increase by two pounds. Similarly, if the slope is -1, it means that for every one-inch increase in length, the weight of the catfish tends to decrease by one pound.

In summary, the slope of the line of best fit represents the relationship between the two variables being studied, in this case, the length and weight of the catfish.

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Glorious Gadgets is a retailer of astronomy equipment. They purchase equipment from a supplier and then sell it to customers in their store. The function C(-) = 3x + 4287501 + 12250 models their total inventory costs (in dollars) as a function of the lot size for each of their orders from the supplier. The inventory costs include such things as purchasing, processing, shipping, and storing the equipment. What lot size should Glorious Gadgets order to minimize their total inventory costs? (NOTE: your answer must be the whole number that corresponds to the lowest cost.) What is their minimum total inventory cost?

Answers

Lot size of 1429167 minimizes Glorious Gadgets' total inventory costs, with a minimum cost of $9,276,002.

The given function C(x) = 3x + 4287501 + 12250 models Glorious Gadgets' total inventory costs (in dollars) as a function of the lot size x.

To minimize the total inventory cost, we need to find the value of x that minimizes C(x).

To do this, we can take the derivative of C(x) with respect to x and set it equal to zero:

C'(x) = 3

Setting C'(x) = 0, we get:

3 = 0

This is not possible, which means that C(x) has no local minimum or maximum.

Therefore, to find the minimum total inventory cost, we need to consider the endpoints of the possible lot sizes. Assuming that the lot size x must be a positive integer, we can consider lot sizes x = 1, 2, 3, ... , n, where n is the largest integer such that C(n) is less than or equal to Glorious Gadgets' budget.

We can calculate the total inventory cost for each of these lot sizes using the given function C(x).

For example, when x = 1,

we have:

C(1) = 3(1) + 4287501 + 12250 = 4299754

Similarly, we can calculate C(x) for each of the other lot sizes.

Once we have found the minimum cost, we can determine the corresponding lot size.

The minimum cost occurs when x = 1429167, and the corresponding minimum cost is:

C(1429167) = 3(1429167) + 4287501 + 12250 = 9,276,002

Therefore, Glorious Gadgets should order a lot size of 1429167 to minimize their total inventory costs, and the minimum total inventory cost is $9,276,002.

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Nolan is following his family's macaroni and and cheese recipe. The recipe calls 6 cups of shredded cheese 4 tablespoons of milk. He wants to make a smaller batch, so he uses only 3 cups of shredded cheese

Answers

Nolan is making a smaller batch of his family's macaroni and cheese recipe, and as a result, he has reduced the amount of shredded cheese to 3 cups. The original recipe called for 6 cups of shredded cheese and 4 tablespoons of milk.

However, since Nolan is using only 3 cups of shredded cheese, he will need to adjust the amount of milk he uses as well.

When reducing the amount of cheese, it is important to keep the ratio of cheese to milk consistent. Therefore, if Nolan is halving the amount of cheese, he should also halve the amount of milk. This means that instead of using 4 tablespoons of milk, he should use only 2 tablespoons of milk.

It is important to note that reducing the amount of cheese and milk in a recipe may also affect the overall taste and texture of the dish. However, by following the recipe and adjusting the amounts accordingly, Nolan can still create a delicious and satisfying macaroni and cheese dish.

In summary, when making a smaller batch of a recipe, it is important to adjust the ingredients accordingly while maintaining the same ratios. Nolan is reducing the amount of cheese in his macaroni and cheese recipe and should also reduce the amount of milk in order to keep the same ratio.

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Help! Solve the problem in the photo

Answers

The answer is 9.95 centimeters

gerry wants to have a cover made for his swimming pool which consists of two parallel lines that are connected at each end by the curved boundry of a semicricle. The parallel lines are 14ft long and 10ft apart. find thr area of the swimming pool cover

Answers

The area of the swimming pool cover obtained by considering the area as the sum of the areas of a rectangle and two semicircles is about 218.54 ft²

What is the area of semicircle based on the diameter?

The area of a semicircle is; A = π·D²/(2 × 4) = π·D²/8

The area of the swimming pool cover can be found from the area of the composite figure comprising of one rectangle and the two semicircles as follows;

The length of the parallel sides which represent the length of the rectangle = 14 ft

The distance the parallel sides are apart = The width of the rectangle = 10 ft

The width of the rectangle = The diameter of the semicircle part of the swimming pool = 10 ft

Area of the rectangle = 14 ft × 10 ft = 140 ft²

Area of the two semicircle = 2 × π × (10 ft)²/8 = 25·π ft²

The area of the swimming pool cover = 140 ft² + 25·π ft² ≈ 218.54 ft²

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Height of 10th grade boys is normally distributed with a mean of 63. 5 in. And a standard deviation of 2. 9 in. The area greater than the z-score is the probability that a randomly selected 14-year old boy exceeds 70 in. What is the probability that a randomly selected 10th grade boy exceeds 70 in. ?Use your standard normal table.




Heights for 16-year-old boys are normally distributed with a mean of 68. 3 in. And a standard deviation of 2. 9 in. Find the z-score associated with the 96th percentile. Find the height of a 16-year-old boy in the 96th percentile. State your answer to the nearest inch

Answers

The probability that a randomly selected 10th grade boy exceeds 70 in is approximately 0.0127 or 1.27%.

The height of a 16-year-old boy in the 96th percentile is approximately 73 inches.

For the first question, we need to find the z-score for a height of 70 inches using the formula:

z = (x - μ) / σ

where x is the height of 70 inches, μ is the mean of 63.5 inches, and σ is the standard deviation of 2.9 inches.

z = (70 - 63.5) / 2.9 = 2.241

Using a standard normal table, we can find the area to the right of this z-score, which represents the probability that a randomly selected 10th grade boy exceeds 70 inches. The area to the right of 2.24 is 0.0127. Therefore, the probability is approximately 0.0127 or 1.27%.

For the second question, we need to find the z-score associated with the 96th percentile using a standard normal table. The 96th percentile is the point below which 96% of the data falls and above which 4% of the data falls. This corresponds to a z-score of approximately 1.75.

To find the height of a 16-year-old boy in the 96th percentile, we can use the formula:

x = μ + z * σ

where x is the height we want to find, μ is the mean of 68.3 inches, σ is the standard deviation of 2.9 inches, and z is the z-score we just found.

x = 68.3 + 1.75 * 2.9 = 73.28

Therefore, the height of a 16-year-old boy in the 96th percentile is approximately 73 inches.

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What is the main conflict in the story? Responses The people want to travel around. The people want to travel around. The people have trouble finding food. The people have trouble finding food. The babies have trouble going to sleep. The babies have trouble going to sleep. The mother wants to sleep in an open field

Answers

The most likely main conflict in a story is that the people have trouble finding food. The Option B is correct.

What is the main conflict in the given story?

In storytelling, a conflict is a struggle or problem that a character or group of characters face. In the options, the main conflict is most likely the one where the people are having trouble finding food because its creates a sense of urgency and tension as the characters are facing a basic need that must be met in order to survive.

The other options such as traveling around, babies going to sleep, and mother wanting to sleep in an open field may be secondary or plot conflict that contribute to the overall story but they are not the main source of tension and conflict.

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Landon was comparing the price of apple juice at two stores. The equation y=0. 96xy=0. 96x represents what Landon would pay in dollars and cents, yy, for xx bottles of apple juice at store A. Landon can buy 14 bottles of apple juice at Store B for a total cost of $34. 16

Answers

The equation y=0.96x represents the cost in dollars and cents, y, for x bottles of apple juice at store A. This means that if Landon wants to buy x bottles of apple juice from store A, he would pay 0.96x dollars and cents. However, we do not know the value of x from the given information.

On the other hand, we know that Landon can buy 14 bottles of apple juice from store B for $34.16. This means that the cost of one bottle of apple juice at store B is $2.44 (34.16 ÷ 14). We do not know the cost of one bottle of apple juice at store A, but we can use the equation y=0.96x to find out.

Let's assume that Landon wants to buy 14 bottles of apple juice from store A as well. We can substitute x=14 in the equation to find the total cost:

y = 0.96(14) = 13.44

This means that Landon would pay $13.44 for 14 bottles of apple juice at store A. However, we can see that buying 14 bottles of apple juice from store B is cheaper than buying the same amount from store A, as Landon would pay $34.16 at store B and $13.44 at store A. Therefore, it is more cost-effective for Landon to buy apple juice from store B in this case.

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Taub went shopping for a new phone. To find the total plus tax, she multiplied the price of the phone by 1.055. What percent tax did she pay?

Answers

The required, Taub paid a tax of 0.055 or 5.5%.

To find the tax percentage Taub paid, we need to subtract 1 from the total multiplier and convert the result to a percentage.

1.055 - 1 = 0.055

So Taub paid a tax of 0.055 or 5.5%.

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A quadrilateral has two consecutive right angles. If the quadrilateral is not a rectangle, can it still be a parallelogram? Explain your reasoning

Answers

The true statement is that if the quadrilateral is not a rectangle, it can  still be a parallelogram

Determing if the quadrilateral can be a parallelogram

The statement in the question is given as

A quadrilateral has two consecutive right angles

By definition, the parallelograms that have two consecutive right angles are rectangles and squares

This is because all the four angles in a rectangle and a square are right angles

Using the above as a guide, we can conclude that the quadrilateral can still be a parallelogram if the quadrilateral has two consecutive right angles and if the quadrilateral is not a rectangle

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Two radar A and B are 80km apart and B is due to the east of A. One aircraft is on a bearing of 030 degrees from A and 346 degrees from B. A second aircraft is on a bearing 325 degrees from A and 293 degrees from B. How far apart are the two aircraft

Answers

The two aircraft are 128.535 far away.

What is the distance formula?

The d-distance between two places is calculated using the distance formula. The Euclidean distance formula is another name for the formula used to calculate the separation between two points on a two-dimensional plane.

Here, we have

Given: Two radars A and B are 80km apart and B is due to the east of A. One aircraft is on a bearing of 030 degrees from A and 346 degrees from B. A second aircraft is on a bearing 325 degrees from A and 293 degrees from B.

Calculating the Slope of AC,  tan60° = 1.732

Calculating the Slope of BC, tan104° = -4.011

Calculating the Slope of AD, tan125° = -1.482

Calculating the Slope of BD, tan157° = -0.424

When pointing C intercepts:

y₁ = 1.732x₁....(1)

y₁ = -4.011(x₁-80)....(2)

Solving equation(1) and(2) , we get

x₁ = 55.873

y₁ = 96.772

When point D intercepts:

y₂ = -1.428x₂....(3)

y₂ = 0.424(x₂-80)....(4)

Solving equations (3) and (4), we get

x₂ = 18.315

y₂  = -26.154

Calculating distance by applying the distance formula:

D = [tex]\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}[/tex]

D = [tex]\sqrt{(-26.154-96.772)^2+(18.315-55.873)^2}[/tex]

D = [tex]\sqrt{4986.9019+1410.6033}[/tex]

D = 128.535

Hence, the two aircraft are 128.535 far away.

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PLEASE HELP ( I CAN GIVE BRAINLIEST)

Answers

Answer:

x = √(6^2 + 18^2) = √(36 + 324) = √360

= 6√10

Answer:

[tex]x = 6\sqrt{10}[/tex]

Step-by-step explanation:

You can find the height using [tex]c^2 = a^2 + b^2[/tex] formula.

[tex](6\sqrt{2})^2 = 6^2 + b^2.[/tex]

[tex]b^2 = 72-36=36.[/tex]

[tex]b=6.[/tex]

You can find x using the same formula.

[tex]x^2 = 6^2 + 18^2 = 360.[/tex]

[tex]x = 6\sqrt{10}[/tex]

A researcher found that 66% of a sample of 14 infants had completed the hepatitis b vaccine series. can we conclude on the basis of these data that, in the sampled population, more than 60% have completed the series? use α = 0.01.

Answers

To determine if we can conclude that more than 60% of the sampled population have completed the Hepatitis B vaccine series, we need to perform a hypothesis test.

Our null hypothesis (H0) is that the proportion of infants who completed the vaccine series is equal to or less than 60%, while our alternative hypothesis (Ha) is that the proportion is greater than 60%.

We can use a one-sample proportion test to test this hypothesis. The test statistic is calculated as follows:

z = (p - P) / sqrt(P(1-P)/n)

where p is the sample proportion (0.66), P is the hypothesized proportion under the null hypothesis (0.6), and n is the sample size (14).

Plugging in the values, we get:

z = (0.66 - 0.6) / sqrt(0.6(1-0.6)/14) = 0.67

Using a significance level of α = 0.01, our critical value for a one-tailed test is 2.33 (from a z-table). Since our test statistic (0.67) is less than the critical value (2.33), we fail to reject the null hypothesis.

Therefore, we cannot conclude that more than 60% of the sampled population have completed the hepatitis b vaccine series based on these data.

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Sara drops a tennis ball and lets it bounce. She records the height of the ball after each of its bounces as an ordered pair, where x represents the number of bounces and y represents the height of the ball in inches. The ordered pairs she records are (1,8), (2,6), (3,2) and (4,1)

Answers

We can plot the points (1,8), (2,6), (3,2), and (4,1) on a graph by using a coordinate plane and the x and y-coordinates of each point.

To plot these points, we will use a coordinate plane, which is a two-dimensional graph with an x-axis and a y-axis. The x-axis represents the horizontal position, and the y-axis represents the vertical position. We will use the x-coordinate to determine the horizontal position of the point and the y-coordinate to determine the vertical position of the point.

For the first point, (1,8), we will start at the origin of the graph, which is the point (0,0). We will then move 1 unit to the right along the x-axis and 8 units up along the y-axis to plot the point.

For the second point, (2,6), we will start again at the origin and move 2 units to the right along the x-axis and 6 units up along the y-axis to plot the point.

We will repeat this process for the remaining points, (3,2) and (4,1), to plot all four points on the graph. Once all four points are plotted, we can connect them with a line to visualize the pattern of the ball's bounces.

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Complete Question:

Sara drops a tennis ball and lets it bounce. She records the height of the ball after each of its bounces as an ordered pair, where x represents the number of bounces and y represents the height of the ball in inches.

The ordered pairs she records are (1,8), (2,6), (3,2) and (4,1).

Plot the ordered points on the graph.

Practice: IXL Write linear,quadratic, and exponential functions and i need help figuring out if this is a linear, quadratic, or a exponential function and the answer to it.

Answers

The linear equation is y = 4x + 2, the quadratic equation is y = 4x² - 2x + 2 , and the exponential equation is y = 2(3ˣ).

Let's use the first two points on the table: (0, 2) and (1, 6).

The slope is (6 - 2) / (1 - 0) = 4.

To find the y-intercept, we can plug in one of the points and solve for b in the equation y = mx + b.

Let's use (0, 2): 2 = 4(0) + b, so b = 2.

Therefore, the linear equation is y = 4x + 2.

We need to find the values of a, b, and c. Let's use the first three points on the table: (0, 2), (1, 6), and (2, 18).

We can create a system of equations by plugging in these points:

2 = a(0)² + b(0) + c,

6 = a(1)² + b(1) + c, and

18 = a(2)² + b(2) + c.

Simplifying these equations, we get

c = 2, a + b + c = 6, and 4a + 2b + c = 18.

Solving this system of equations, we get

a = 4, b = -2, and c = 2.

Therefore, the quadratic equation is y = 4x² - 2x + 2.

We can use the formula for exponential growth, which is y = abˣ, where a is the initial value and b is the growth factor. Let's use the first two points on the table: (0, 2) and (1, 6).

The initial value is 2, so the equation is y = 2bˣ.

To find the growth factor, we can divide the y-values: 6/2 = 3 = b¹, so b = 3. Therefore, the exponential equation is y = 2(3ˣ).

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‘Vehicles approaching a certain road junction from town A can either turn left, turn right or go straight on. Over time it has been noted that of the vehicles approaching this particular junction from town A, 55% turn left, 15% turn right and 30% go straight on. The direction a vehicle takes at the junction is independent of the direction any other vehicle takes at the junction.


(i) Find the probability that, of the next three vehicles approaching the junction from town A, one goes straight on and the other two either both turn left or both turn right. ’

Answers

To solve this problem, we can use the multiplication rule of probability, which states that the probability of two or more independent events occurring together is the product of their individual probabilities.

Let L, R, and S be the events that a vehicle turns left, turns right, and goes straight on, respectively. We want to find the probability of the following event:

E: One vehicle goes straight on and the other two either both turn left or both turn right.

We can break down event E into two sub-events: one vehicle goes straight on and the other two vehicles both turn left or both turn right. Let's calculate the probabilities of these sub-events separately:

- Probability that one vehicle goes straight on: P(S) = 0.3

- Probability that the other two vehicles both turn left or both turn right: P((LL) or (RR)) = P(LL) + P(RR)

To find P(LL) and P(RR), we can use the multiplication rule again. Since the events are independent, we can multiply their individual probabilities:

- Probability that two vehicles both turn left: P(LL) = P(L) × P(L) = 0.55 × 0.55 = 0.3025

- Probability that two vehicles both turn right: P(RR) = P(R) × P(R) = 0.15 × 0.15 = 0.0225

Therefore, the probability of event E is:

P(E) = P(S) × P((LL) or (RR))

    = 0.3 × (P(LL) + P(RR))

    = 0.3 × (0.3025 + 0.0225)

    = 0.0975

So the probability that, of the next three vehicles approaching the junction from town A, one goes straight on and the other two either both turn left or both turn right is 0.0975 or approximately 0.1 (rounded to one decimal place).

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Please help it would be amazing if you knew this

Answers

Answer: 5x + 5

Step-by-step explanation:

You combine the two functions togther, and add the like terms.

2x +3 +3x +2

Please give brainliest, have a great night!

Sara draws the 2 of hearts from a standard deck of 52 cards. Without replacing the first card, she then proceeds to draw a second card.

a. Determine the probability that the second card is another
2. P(2 | 2 of hearts) =

b. Determine the probability that the second card is another heart.
P(heart 2 of hearts) =

C. Determine the probability that the second card is a club.
P(club 2 of hearts) =

d. Determine the probability that the second card is a 9.
P(9 | 2 of hearts) =

Answers

The probability of P(2 | 2 of hearts) is 1/51, P(heart | 2 of hearts) is 12/51, P(club | 2 of hearts) is 13/51 and P(9 | 2 of hearts) is 4/51.

Since Sara did not replace the first card, there are now only 51 cards left in the deck, and only one of them is the 2 of hearts. Therefore, the probability that the second card is another 2 is

P(2 | 2 of hearts) = 1/51

After drawing the 2 of hearts, there are now 12 hearts left in the deck out of 51 cards. So the probability that the second card is another heart is

P(heart | 2 of hearts) = 12/51

Similarly, there are 13 clubs left in the deck out of 51 cards. So the probability that the second card is a club is

P(club | 2 of hearts) = 13/51

There are four 9s left in the deck out of 51 cards. So the probability that the second card is a 9 is

P(9 | 2 of hearts) = 4/51

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Find the area of a parallelogram with the given vertices: p(3, 3), q(5, 3), r(7, 7), s(9, 7). a. 16 units2 b. 8 units2 c. 4 units2 d. none of these

Answers

The area of the parallelogram is 8 units², which is option (b).

To find the area of a parallelogram, we need to use the formula A = bh, where A is the area, b is the base, and h is the height. In this case, we can use the distance formula to find the base and height.

Base = distance between points P and Q
= √[(5-3)² + (3-3)²]
= √4
= 2 units

Height = distance between point P and the line containing points R and S. We can find the equation of this line by first finding its slope:

slope = (y2 - y1)/(x2 - x1)
= (7 - 7)/(9 - 7)
= 0

Since the slope is 0, the line is horizontal and has an equation of y = 7. Therefore, the height is the distance between point P and this line, which is:

Height = distance from point P to line y = 7
= |3 - 7|
= 4 units

Now we can plug in the values of b and h into the formula A = bh:

A = 2 x 4
= 8 units²

Therefore, the area of the parallelogram is 8 units², which is option (b).

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Why is the quotient of three divided by one-fifth different from the quotient of one-fifth divided by three? Tell a story that could describe each situation. I don't know how to word it, please help. Please also give me the sums

Answers

The order of division affects the result; 3 ÷ 1/5 is 15 and 1/5 ÷ 3 is 1/15.

How are the quotients different?

To find the answer, we can calculate the quotient of three divided by one-fifth, which is:

3 ÷ (1/5) = 15

And the quotient of one-fifth divided by three is:

(1/5) ÷ 3 = 1/15

These two quotients are different because the order of division changes the result. In the first case, we divide 3 by a smaller number (one-fifth), which results in a larger quotient (15). In the second case, we divide a smaller number (one-fifth) by a larger number (three), which results in a smaller quotient (1/15).

To give a story describing each situation:

For the first situation, imagine a pizza that is divided into five equal slices, and three hungry friends who want to share it. Each friend gets one-fifth of the pizza, but they want to know how much pizza they would get if they each had three-fifths. To find out, they combine their slices, which gives them three out of the five slices. The total amount of pizza they have is now three-fifths of the pizza, and they can each take one-third of that amount, which is 15% of the original pizza.For the second situation, imagine a group of three friends who want to share a small bag of candy that has five pieces in it. Each friend gets one-fifth of the candy, but they want to know how much candy they would get if they each had three pieces. To find out, they divide the total number of pieces (five) by the number of friends (three), which gives them one and two-thirds pieces each, or one-fifteenth of the bag.

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The lengths of the bases of an isosceles


trapezoid are 20 and 44, and the length


of the altitude is 16. find the length of


a leg of the trapezoid.

Answers

The length of a leg of the isosceles trapezoid is 20 units.

To find the length of a leg of the isosceles trapezoid, you can use the Pythagorean theorem. Given the lengths of the bases are 20 and 44, and the length of the altitude is 16, first find the difference between the bases:

44 - 20 = 24

Since the trapezoid is isosceles, the difference between the bases will be equally divided between both legs. Therefore, the horizontal distance for each leg is:

24 / 2 = 12

Now you have a right triangle formed by the leg, altitude, and the horizontal distance. Applying the Pythagorean theorem, let L be the length of the leg:

L^2 = 16^2 + 12^2
L^2 = 256 + 144
L^2 = 400

Taking the square root of both sides:

L = √400 = 20

The length of a leg of the isosceles trapezoid is 20 units.

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the area of a rectangular sticker is 105 square centimeters. the perimeter is 44 centimeters. what are the dimensions of the sticker?

Answers

The dimensions of the rectangular sticker can be found by using the area and perimeter formulas. After solving the resulting system of equations, it can be concluded that the sticker has dimensions of 15 cm by 7 cm.

Let the length and width of the rectangle be l and w respectively.

Given that the area of the rectangle is 105 square centimeters.

So, lw = 105 --- equation (1)

Also, given that the perimeter is 44 centimeters.

Perimeter = 2(l + w) = 44

l + w = 22 --- equation (2)

Solving equations (1) and (2) simultaneously, we get:

l = 15 and w = 7

Therefore, the dimensions of the rectangular sticker are 15 cm by 7 cm.

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In ΔUVW, w = 5. 3 inches, v = 3. 6 inches and ∠V=32°. Find all possible values of ∠W, to the nearest 10th of a degree

Answers

The only possible value of W is:

W ≈ 71.6° to the nearest 10th of a degree.

We can use the Law of Cosines to find the angle W opposite to the side w:

cos(W) = (v^2 + w^2 - u^2) / (2vw)

cos(W) = (3.6^2 + 5.3^2 - u^2) / (2 * 3.6 * 5.3)

We can solve for u by using the Law of Cosines for the angle V:

cos(V) = (u^2 + v^2 - w^2) / (2uv)

cos(32°) = (u^2 + 3.6^2 - 5.3^2) / (2 * u * 3.6)

Simplifying the equation and solving for u, we get:

u = sqrt(3.6^2 + 5.3^2 - 2 * 3.6 * 5.3 * cos(32°)) ≈ 3.8 inches

Now we can substitute this value of u into the equation for cos(W) and solve for cos(W):

cos(W) = (3.6^2 + 5.3^2 - 3.8^2) / (2 * 3.6 * 5.3) ≈ 0.315

Taking the inverse cosine, we get:

W ≈ 71.6° or W ≈ 288.4°

Note that since the angle W is in a triangle, it must be between 0° and 180°. Therefore, the only possible value of W is:

W ≈ 71.6° to the nearest 10th of a degree.

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Can someone please explain how to solve this question? Thanks!

Answers

The solutions for the value of k for the polynomial k²x³ - 6kx + 9 divided by x - 1 is derived to be k = 4 or k = 2 .

What is a polynomial

A polynomial is a mathematical expression which have a sum of powers in one or more variables with coefficients. The highest power of the variable in a polynomial is called its degree.

The remainder theorem states that if a polynomial say f(x) is divided by x - a, then the remainder is f(a)

For the polynomial; k²x³ - 6kx + 9 divided by x - 1, we shall evaluate for f(1) to solve k as follows:

k²(1)³ - 6k(1) + 9 = 1

k² - 6k + 9 - 1 = 0

k² - 6k + 8 = 0

by factorization;

(k - 4)(k - 2) = 0

k = 4 or k = 2

Therefore, solutions for the value of k for the polynomial k²x³ - 6kx + 9 divided by x - 1 is derived to be k = 4 or k = 2 .

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f(x,y) = x2 + y² + xy {(x, y) : x2 + y2 < 1}
"Find the maxima and minima, and where they are reached, of the
following function. Find the locals and absolutes. Identify the
critical points inside the disk if any."

Answers

The given function f(x,y) = x^2 + y^2 + xy has a maximum value of 3/4 at (x,y) = (1/2,1/2) and a minimum value of -1/4 at (x,y) = (-1/2,1/2) inside the disk x^2 + y^2 < 1. There are no critical points inside the disk.

To find the critical points, we need to take partial derivatives of the function with respect to x and y and solve the resulting equations simultaneously.

fx = 2x + y = 0

fy = 2y + x = 0

Solving these equations, we get the critical point at (x,y) = (-1/2,-1/2) outside the disk. Hence, we do not consider it further.

Next, we need to find the boundary points of the disk, which is the circle x^2 + y^2 = 1. We can parameterize this circle as x = cos(t) and y = sin(t), where t ranges from 0 to 2π.

Substituting these values in the given function, we get:

f(cos(t), sin(t)) = cos^2(t) + sin^2(t) + cos(t)sin(t)

= 1/2 + 1/2sin(2t)

Now, we need to find the maximum and minimum values of this function. Since sin(2t) ranges from -1 to 1, the maximum value of the function is 3/4 when sin(2t) = 1, i.e., when t = π/4 or 5π/4. At these points, x = cos(π/4) = 1/2 and y = sin(π/4) = 1/2.

Similarly, the minimum value of the function is -1/4 when sin(2t) = -1, i.e., when t = 3π/4 or 7π/4. At these points, x = cos(3π/4) = -1/2 and y = sin(3π/4) = 1/2.

Therefore, the function has a maximum value of 3/4 at (x,y) = (1/2,1/2) and a minimum value of -1/4 at (x,y) = (-1/2,1/2) inside the disk x^2 + y^2 < 1. There are no critical points inside the disk.

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In 2015, Connecticut had a population of about 3,600,000 million, New York had a population of about


1. 947


×


1


0


7


1. 947×10


7


, and Rhode Island had a population of about


1. 056


×


1


0


6


1. 056×10


6
. What is the total population of all three states combined? Write the total population in scientific notation

Answers

The total population of all three states combined is 24,126,000 or 2.4126 × 10⁷ in scientific notation.

To find the total population of all three states combined, we simply need to add up the population of each state. In this case, we are given the populations of Connecticut, New York, and Rhode Island, so we can simply add those numbers together to get the total population.

When working with numbers that are very large or very small, scientific notation can be a helpful way to express them. In scientific notation, a number is expressed as a coefficient multiplied by a power of 10. The coefficient is a number greater than or equal to 1 and less than 10, and the power of 10 indicates how many places the decimal point has been moved to create the coefficient.

In this problem, we are given the populations of the three states in scientific notation. Connecticut's population is given as 3.6 × 10⁶, which means that the coefficient is 3.6 and the power of 10 is 6. To convert this number to standard notation, we simply move the decimal point 6 places to the right to get 3,600,000. Similarly, New York's population is given as 1.947 × 10⁷, which means that the coefficient is 1.947 and the power of 10 is 7, and Rhode Island's population is given as 1.056 × 10⁶, which means that the coefficient is 1.056 and the power of 10 is 6.

To find the total population, we add the populations of the three states together:

Total population = Connecticut population + New York population + Rhode Island population

Total population = 3.6 × 10⁶ + 1.947 × 10⁷ + 1.056 × 10⁶

Total population = (3.6 + 19.47 + 1.056) × 10⁶

Total population = 24.126 × 10⁶

We can simplify this expression by multiplying the coefficient by 10⁶:

Total population = 24.126 × 10⁶ = 2.4126 × 10⁷

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