Solve It:
2 step equation:
Mr. Nelson is taking his students on a field trip to an observatory. The Observatory charges a $100 trip fee, plus $6. 50 per student. If Mr. Nelson spent $327. 50, how many students did he take on the trip?

The probability that Esteban wins the game is 29/49.

Probability is a concept that refers to the likelihood of a particular event occurring. It is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Let's consider an example: Esteban is playing a matching card game where he wins if the cards are identical. To calculate the probability of winning, we can use the following formula:

Probability of winning = Number of favorable outcomes / Total number of possible outcomes

If we assume that the deck of cards contains seven crosses and seven stars, the probability of getting a cross on both cards is:

2/7 x 2/7 = 4/49

The probability of getting a star on both cards is:

5/7 x 5/7 = 25/49

To calculate the overall probability of winning the game, we add the probabilities of getting a cross on both cards and getting a star on both cards:

4/49 + 25/49 = 29/49

Therefore, the probability that Esteban will win the game is 29/49.

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Using mathematical operations we can conclude that the temperature at the midnight was -15.1°C.

A rule that specifies the right procedure to follow while evaluating a mathematical equation is known as the order of operations.

The rules that specify the order in which we should solve an expression involving many operations are known as the order of operations.

PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction (from left to right).

So, we can solve for the temperature as follows:

8 pm = -6.8

8 - 10 pm = -6.8 -3.9 = -10.7

10 - 12 midnight = -10.7 -4.4 = -15.1°C

Therefore, using mathematical operations we can conclude that the temperature at the midnight was -15.1°C.

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The given function is f(x) = 1 - 2x.

To find 2f(x), we simply multiply the function f(x) by 2:

2f(x) = 2(1 - 2x)

Distributing the 2 across the expression, we get:

2f(x) = 2 - 4x

Therefore, 2f(x) = 2 - 4x.

The dimensions of the box that will minimize the cost of manufacturing it: base = 9.04 in and y = 3.01 in

And the minimum cost is 32.65 cents

Let us assume that x represents the base side of the box, and y represents the height of the box.

The volume of the box would be:

V = x²y

246 = x²y        ........(1)

The cost of the material for the base is 0.2 cents per square inch, and the cost of the material for the sides is 0.3 cents per square inch.

Since this box has 4 sides and 1 base, the total cost would be,

C = (0.2 × x² × 1) + (0.3 × 4 × xy)

C = 0.2x² + 1.2x(246x⁻²)              (from (1) y = 246x⁻²)

C = 0.2x² + 295.2 x⁻¹

Consider derivative with respect to x,

dC/dx = 0.4x - 295.2 x⁻²

Consider dC/dx = 0

So,  0.4x - 295.2 x⁻² = 0

0.4x³ =  295.2

x³ = 738

So, x = 9.04

So, the value of y would be:

y = 246 x⁻²

y = 246 × (9.04)⁻²

y = 3.01

So, the minimum cost would be:

C = (0.2 × 0.04² × 1) + (0.3 × 4 × 9.04 × 3.01)

C = 32.65

Therefore, the minimum cost is: 32.65 cents

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Answer:

Find the nth term of 23,17,11,5:

23,17,11,5,-1,-7,-13...

After answering the presented question, we can conclude that thus, the equation correct answer is: The median, which equals 11, is the best measure of center.

The box plot depicts the distribution of the quantity of flowers planted in a town last summer based on the information provided. The box spans the number line from 10 to 15, with a line at 11 inside the box and lines outside the box ending at 7 and 20.

The median is depicted by the line in the box, which is positioned at 11 in the box plot. As a result, the median is the best measure of center for the data provided, and its value is 11.

Thus, the correct answer is: The median, which equals 11, is the best measure of center.

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Answer:

2,188,180

Step-by-step explanation:

since 0 can't give anything to 8 the number would stay the same

To paint the ceiling of a room that is 138 inches by 117 inches, you would need to purchase 3 pints of paint.

To find out how many pints of paint are needed to paint the room's ceiling, we must first convert its dimensions from inches to feet:138 inches is equivalent to 11.5 feet (138 ÷ 12 = 11.5)117 inches is equivalent to 9.75 feet (117 ÷ 12 = 9.75)To determine the total square footage of the room, multiply the room's length and width:11.5 feet × 9.75 feet = 112.125 square feet

To calculate the amount of paint needed, divide the total square footage by the number of square feet that one pint of paint will cover:112.125 square feet ÷ 50 square feet per pint = 2.24 pints

Therefore, you would need to purchase approximately 2.24 pints of paint to paint the ceiling of a room that is 138 inches by 117 inches. However, since paint is often sold in whole pints, you would need to purchase 3 pints of paint.

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The probability that both customers say that the service is poor is 0.0588 or 5.88%.

To determine the probability that both customers say the service is poor, use the binomial distribution and the following formula:P(X = k) = (nCk) * p^k * (1 - p)^(n - k)Where:P(X = k) represents the probability that k successes occurn is the sample sizep is the probability of successk is the number of successes requested(1 - p) represents the probability of failure.Substitute the given values and calculate:P(X = 2) = (2C2) * (140/500)^2 * (1 - 140/500)^(2 - 2) = 0.0588 or 5.88%

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The total amount Julio spent on a salad and a container of yogurt in the form of note and coin is equal to $6.38.

To determine how much Julio spent while buying  a salad and a container of yogurt, we have to multiply the value of each notes into their quantity then add all of them.

Number of 25 cents coins = 4

⇒ 4×0.25 = 1.00

Number of 5 dollar note = 1

⇒ 1×5 = 5.00

Number of 10 cents coins = 3

⇒ 3×0.10=0.30

Number of 1 cents = 3

⇒ 3×0.01=0.03

Number of 5 cents = 1

⇒ 1×0.05=0.05

Julio spent = 1.00 + 5.00 + 0.30 + 0.03 + 0.05

                  = $6.38

Therefore, the total amount Julio spent on a salad and a container of yogurt in the form of note and coin is equal to $6.38.

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The complete question is :

Julio buys a salad and a container of yogurt. These bills and coins shown in attached image represent the cost of each item. How much did Julio spend in all?

There are 144 ways to list the digits {1, 1, 2, 2, 3, 4, 5} such that two identical digits are not in consecutive positions.

We have to list the digits {1, 1, 2, 2, 3, 4, 5} so that two identical digits are not in consecutive positions. We can use the knowledge of permutations and combinations to solve this problem. We can start by selecting the positions for the distinct digits, i.e., (3, 4, 5). There are 3 distinct digits, so there are 3! = 6 ways to arrange them.

Once we have placed the distinct digits, we can place the two 1's and two 2's in the remaining positions such that no two identical digits are in consecutive positions. To do this, we can use the following approach:

We can start by placing one of the 1's. There are 4 positions available for the first 1.

We can then place one of the 2's. There are 3 positions available for the first 2.

We can then place the second 1. There are 2 positions available for the second 1.

We can then place the second 2. There are 1 positions available for the second 2.

Therefore, the total number of ways to list the digits {1, 1, 2, 2, 3, 4, 5} such that two identical digits are not in consecutive positions is:

6 (arrangements of distinct digits) x 4 x 3 x 2 x 1 = 144.

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Answer:

45

Step-by-step explanation:

[tex]g(f(x))=5(x+6)[/tex]

[tex]g(f(3))=5(3+6)\\[/tex]

[tex]g(f(3))=5(9)\\[/tex]

[tex]g(f(3))=45[/tex]

Answer:

f(x) =x + 6g(x) =5x =

Calculate the formula weights:

mass of mole of

F(x) = x + 6g (x) = 5x = 19g

This can be done by actively listening to clients' concerns, being non-judgmental, and explaining the importance of accurate information in developing a comprehensive financial plan.

Statistics is a branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of numerical data. It involves methods for summarizing and describing data, making inferences and predictions about a population based on a sample, testing hypotheses, and identifying patterns and relationships within data. Statistics can be applied in a wide range of fields, including business, finance, social sciences, engineering, medicine, and more. It provides a framework for making informed decisions based on empirical evidence, and plays a crucial role in scientific research and data-driven decision making.

The barrier that can affect the assessment phase of financial planning is when clients may be anxious or embarrassed which can make them reluctant to share complete and accurate information. This can lead to incomplete or inaccurate financial plans, which can ultimately harm the client's financial well-being. It is important for financial counselors to establish trust and create a comfortable environment for clients to feel safe sharing their financial information. This can be done by actively listening to clients' concerns, being non-judgmental, and explaining the importance of accurate information in developing a comprehensive financial plan.

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The sale price of the reusable water bottle is $18.

Algebra is a branch of mathematics that deals with the study of symbols and the rules for manipulating these symbols. It is a broad area that includes various subfields such as elementary algebra, abstract algebra, and linear algebra, among others.

In elementary algebra, the focus is on the basic rules and operations involving variables, numbers, and equations. These concepts are used to solve problems in a wide range of fields, such as science, engineering, and finance. Abstract algebra, on the other hand, deals with the study of algebraic structures such as groups, rings, and fields. Linear algebra is the study of vector spaces and linear transformations, and is used extensively in fields such as computer science, physics, and engineering.

The discount on the reusable water bottles is 10%, which means that the customer pays only 90% of the regular price. To find the sale price, we can multiply the regular price by 90% or 0.9.

Sale price = Regular price x (1 - Discount rate)

Sale price = $20 x (1 - 0.1)

Sale price = $20 x 0.9

Sale price = $18

Therefore, the sale price of the reusable water bottle is $18.

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Answer:

tesla electric company:

hours :cost

0:$50

1:$ 75

2: $100

3: $125

4: $150

Ac-Ad electric

hours: cost

0: $0

1: $50

2: $100

3: $150

4: $200

Keith found that the product of 31.5 and 5.3 is 160.15

Keith's strategy for finding the product is breaking the numbers into parts and then adding the results.

The product of 21.5 and 5.3 is

(20 + 1 + 0.5) × (5 + 0.3) = (20 × 5) + (20 × 0.3) + (1 × 5) + (1 × 0.3) + (0.5 × 5) + (0.5 × 0.3) = 100 + 6 + 5 + 0.3 + 2.5 + 0.15 = 114.95

When multiplying 31.5 by 5.3, Keith used a similar approach, breaking the numbers into parts and then adding the results. Specifically, he expanded the terms as (31 + 0.5)(5 + 0.3), added the partial products, and then rounded the result to two decimal places.

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(A) The slope is $5 and means that for each additional movie ticket purchased, the cost increases by $5.

(B) The y-intercept is $25 and means that even if no movie ticket is purchased, there is still a fixed cost of $25.

What is slope?

Slope is a measure of the steepness of a line. It describes the rate at which the line rises or falls as it moves horizontally, and it is defined as the change in y-coordinates divided by the change in x-coordinates between any two points on the line. Mathematically, slope can be represented as:

Slope = (change in y-coordinates) / (change in x-coordinates)

To find the equation of the line passing through these points, we can use the slope-intercept form of a linear equation, which is:

y = mx + b

where m is the slope and b is the y-intercept.

To find the slope, we can use the formula:

m = (y2 - y1) / (x2 - x1)

Let's use the first two points (1,30) and (3,40) to find the slope:

m = (40 - 30) / (3 - 1) = 10 / 2 = 5

Now we can use any of the given points and the slope to find the y-intercept. Let's use the point (1,30):

y = mx + b

30 = 5(1) + b

30 = 5 + b

b = 30 - 5

b = 25

So the equation of the line passing through the points (1,30), (3,40), (5,50), and (7,60) is:

y = 5x + 25

Therefore, (A) The slope is $5 and means that for each additional movie ticket purchased, the cost increases by $5.

(B) The y-intercept is $25 and means that even if no movie ticket is purchased, there is still a fixed cost of $25.

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The probability that 3 hearts are chosen if 7 cards are chosen from a well-shuffled deck of 52 playing cards  is option (c) 0.00000214.

The probability of selecting exactly 3 hearts if 7 cards are chosen from a well-shuffled deck of 52 playing cards can be calculated using the hypergeometric distribution.

The total number of ways to choose 7 cards from 52 is given by the combination C(52,7), which is the total number of possible outcomes.

The number of ways to choose 3 hearts and 4 non-hearts is given by the product of the number of ways to choose 3 hearts from 13 and the number of ways to choose 4 non-hearts from 39. That is:

C(13,3) [tex]\times[/tex] C(39,4)

Therefore, the probability of selecting exactly 3 hearts is:

P(3 hearts) = [C(13,3) [tex]\times[/tex] C(39,4)] / C(52,7)

Calculating this probability gives:

P(3 hearts) ≈ 0.00000214

Therefore, the correct answer is option (c).

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Answer:

3/7 meters

Step-by-step explanation:

[tex] \sqrt{ \frac{9}{49} } = \frac{ \sqrt{9} }{ \sqrt{49} } = \frac{3}{7} [/tex]

We can be 98% cοnfident that the true difference in mean amοunt οf fοοd Buster eats when οffered Busted Nuggets and Busted Tenders is between -14.566 and -7.634 grams

Calculate the sample mean difference and the standard errοr οf the difference in οrder tο build the cοnfidence interval fοr the difference in the mean amοunt οf fοοd that Buster cοnsumes when served Busted Nuggets and Busted Tenders.

The sample mean difference is:

X1 - X2 = 152.6 - 163.7 = -11.1 grams.

The standard errοr οf the difference can be calculated as fοllοws:

SE = √(S1²/n1 + S2²/n2)

where S1 and S2 are the sample standard deviatiοns οf the twο grοups and n1 and n2 are the sample sizes.

Substituting the values, we get:

SE = √(4.45²/31 + 5.75²/31) = 1.463

ME = t x (SE) = 2.365 x 1.463 = 3.466

Finally, the cοnfidence interval fοr the difference in mean amοunt οf fοοd Buster eats is:

-11.1 - 3.466 < µ1 - µ2 < -11.1 + 3.466

-14.566 < µ1 - µ2 < -7.634

Hence, we have a 98% cοnfidence level that Buster actually cοnsumes between -14.566 and -7.634 grammes less fοοd οn average when given the chοice between Busted Nuggets and Busted Tenders. This periοd can be understοοd as Buster favοring Busted Tenders because οf the negative.

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Answer:

Step-by-step explanation:

To find:-

Answer:-

We are here given that, out of the total money made 20% was spent on food .

To calculate the money spent on food we need to find out 20% of $25,00 .

So that,

==> 20% of $25,000

==> 20/100 * $25,000

==> 0.2 * $25,000

==> $5,000

Hence the total money spent on food was $5,000 .

The probability of being dealt 4 hearts from a standard 52 card deck if only 4 cards are to be dealt is 0.0026.

There are 52 cards in a standard deck, 13 of which are hearts.

We want to find the probability of getting dealt four hearts out of a four-card hand.

Since order doesn't matter, we will use combinations to calculate this probability.

P(A) = number of favorable outcomes / total number of possible outcomes.

There are 13 choose 4 ways to choose four hearts from the deck, and there are 52 choose 4 ways to choose any four cards from the deck.

So the probability of being dealt four hearts from a standard 52 card deck if only 4 cards are to be dealt is:

P(A) = (13 choose 4) / (52 choose 4)P(A)

       = (715) / (270725)P(A)

       = 0.002641056.

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The coordinate A when the triangle is reflected over the y-axis is (2, 5)

From the triangle, we have

A = (-2, 5)

Reflecting a point over the x-axis is a type of transformation that involves flipping the point across the x-axis.

The reflection involves keeping the y-coordinate of the point the same, but changing the sign of the x-coordinate.

In this case, the original point is (-2, 5). To reflect this point over the y-axis, we keep the y-coordinate (5) the same, but change the sign of the x-coordinate to positive,

Resulting in the reflected point (2, 5).

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1/4 square centimeter is therefore equal to 1/2 square centimeter.

In math, what is a fraction?

An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. A fraction appears inside the numerator and denominator of a complex fraction. The numerator of a proper fraction has a smaller denominator.

While "1/2-centimeter square" refers to a square having the side length of half a centimeter, the marking "1/2 square centimeter" typically refers to an area equal half a square centimeter. Even though these aren't the same object, we can still calculate the ratio of one to the other.

The area of such a square of side length 1/2 centimeter is:

(1/2 cm) x (1/2 cm) = 1/4 square centimeter

We may divide 1/4 by 1/2 to determine the percentage of 1/2 square centimeter that corresponds to 1/4 square centimeter:

(1/4 square cm) ÷ (1/2 square cm) = (1/4) x (2/1) = 1/2

Hence, 1/4 square centimeter is equal to 1/2 square centimeter in size.

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The critical value for a two-tail hypothesis test when the population standard deviation is known, the sample size is 30 or more, and α = 0.01 is 2.575. The right option is (D).

In statistics, a hypothesis test is an examination of a particular hypothesis regarding a population parameter with the help of data from a sample. Hypothesis testing is a statistical method used to make decisions about a population based on a sample's data.

The following are the four stages of hypothesis testing:

1. Formulation of Hypothesis

2. Selection of a Significance Level

3. Calculation of Test Statistics

4. Acceptance or Rejection of the Null Hypothesis

The critical value for a two-tail hypothesis test is 2.575 when the sample size is greater than or equal to 30, the population standard deviation is known, and the significance level is α=0.01.

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Answer:

$45

Step-by-step explanation:

Interest earned in a year

5/100x300= $15

Interest earned in 3 years

=$15x3

=$45

The linear equation is y = 6x + 5

A statement that shows the equality of two mathematical expressions is known as an equation. The goal is typically to ascertain the values of the variables that keep the equation true, and it may have one or more variables. In that both sides must be equal for an equation to hold true, it might be likened to a balance scale.

To find the equation for the pricing formula, we can use the slope-intercept form of a linear equation:

y = mx + b

where y is the cost, x is the number of gallons, m is the slope (i.e., the rate of change of the cost per gallon), and b is the y-intercept (i.e., the cost when x = 0).

Using the given information, we can calculate the slope:

m = (35 - 11) / (5 - 1) = 24 / 4 = 6

The y-intercept can be found by plugging in one of the points:

11 = 6(1) + b

b = 5

Therefore, the linear equation for the pricing formula for Logan's Paint is:

y = 6x + 5

where y is the cost in dollars and x is the number of gallons.

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Answer:

187

Step-by-step explanation:

If 70th after he see 84 and legs 33 so the answer is 70+84+33=187