5 dived by 465 long divsion 6th grade
Answer: 5 divided by 465 is 0.010752688172
465 divided by 5 is 93
Step-by-step explanation:
Use technology to answer the following questions.
The times (in seconds) for the CGHS swimmers in the
50m freestyle event are given below:
61 58 59 63 71 63 60 62 60 65 81 58 62
1) Use the Desmos Calculator to find the important
values for the data set.
2) Use SOCCS to describe this dataset in the text box
below. WRITE IN COMPLETE SENTENCES!
There are four most frequent values in the dataset that occur twice: 58, 60, 62, and 63.
How to solveUsing SOCCS, I can determine the essential values and provide a description of the given dataset consisting of times for CGHS swimmers in the 50m freestyle event:
The mean (average) time is 63.0 seconds, calculated by adding all times together and dividing by the total number of observations.
To find the middle value (median), the dataset was sorted in ascending order; thus, the median is 62 seconds.
There are four most frequent values in the dataset that occur twice: 58, 60, 62, and 63.
Calculating the difference between the highest and lowest values provides the range of 23 seconds.
The variance equals approximately 60.92, computed using the formula Σ(x-mean)^2 / (n-1). The resulting standard deviation is around 7.8, presenting some variation.
SOCCS description:
This dataset displays a slightly skewed distribution to the right due to two larger numbers (71 and 81).
One significant outlier exists (81 seconds), affecting the overall outcome significantly higher than other observed times.
From the values obtained via calculation, we get an indication of a balanced dataset: the average and median values show to be quite similar, establishing central tendencies for this specific data set.
Considering its dispersion across the representation, it follows that there is variability presented within the observed durations, utilizing both the range and the comparatively high standard deviation as our objective indicators for such measurement.
In conclusion, with these results, informed insights into the swimmers’ abilities and performances are evident, pinpointing potential areas for future improvements in their training regimes.
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The trip to california from missouri was 2,800 miles one way. how many miles would a round trip take?
The total distance that a round trip will cover is 5,600 miles, under the condition that The trip to California from Missouri was 2,800 miles one way.
After considering all the given data induced by the question we come to the state that here we have to apply the principles of multiplication, to evaluate the distance cover when a round trip is taken from California to Missouri.
Then the calculation is
Round trip distance = 2 × one way distance
Round trip distance = 2 × 2,800 miles
Round trip distance = 5,600 miles
Then the distance covered in the couse of making a round trip from California to Missouri is 5,600 miles.
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A company estimates that 0. 5% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $500. 0. If they offer a 2 year extended warranty for $33. 00, what is the company's expected value of each warranty sold? Please format your answer using a dollar sign and two decimal points for the cents. For example, if the expected value was 50, please enter it as $50. 0
The expected value of each warranty sold is $2.47.
The expected value of each warranty sold can be calculated by subtracting the cost of the warranty from the expected value of the potential savings on replacement costs.
Let's assume that the company sells 1000 warranties. Then, the expected number of products that will fail within 2 years is:
0.5% of 1000 = 0.005 x 1000 = 5
The expected cost of replacing these products is:
5 x $500 = $2500
Therefore, the expected value of the warranty is:
($2500 - $33 x 1000) / 1000 = $2.47
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The Huns migrated to the West in groups. There were three sections of the migration: the front, the middle, and the back. There were 3 groups of 5 people leading in the front and the same amount of groups and people at the back of the migration. In the middle of the pack, we have 9 groups of 9 people each. Write an expression and solve for the total number of Huns that migrated to the West. Use exponents in your expression.
The total number of Huns that migrated to the West is 111.
How to calculate the total number of Huns?To find the total number of Huns that migrated to the West, we can use the expression:
Total number of Huns = Number of groups x Number of people per group
For the front and back sections, there were 3 groups of 5 people each, so the total number of Huns in each section is:
3 x 5 = 15
For the middle section, there were 9 groups of 9 people each, so the total number of Huns in the middle section is:
9 x 9 = 81
To find the total number of Huns that migrated to the West, we add up the number of Huns in each section:
15 + 81 + 15 = 111
Therefore, the total number of Huns that migrated to the West is 111.
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Simon is filling a cylindrical water dispenser that has a radius of 7 inches and a height of 20 inches. Which of these is the best estimate of the volume of this water dispenser?
A 140 in
b 2,940 in
c 840 in
d 11,769 in
PLEASE ANSWER FAST
The best estimate of the volume of this cylindrical water dispenser is 2940 in³. The correct option is b.
To estimate the volume of the cylindrical water dispenser, we can use the formula for the volume of a cylinder, which is given by V = πr²h, where V is the volume, π is a mathematical constant approximately equal to 3.14, r is the radius, and h is the height.
Given that the radius of the water dispenser is 7 inches and the height is 20 inches, we can substitute these values into the formula:
V = π(7²)(20)
V = π(49)(20)
V ≈ 3.14 × 49 × 20
V ≈ 3.14 × 980
V ≈ 3075.2 in³
From the given options, the closest estimate to the calculated volume of approximately 3075.2 in³ is option B: 2940 in³. While it is not an exact match, it is the closest estimate among the options provided.
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Pentagon
apothem = 7.3
side = 10.6
i need help immediately please help me show work
Answer:
Sure, I can help you with that!
To find the area of a regular pentagon, we can use the formula:
Area = (1/2) x apothem x perimeter
where apothem is the distance from the center of the pentagon to the midpoint of any side, and perimeter is the total length of all the sides.
So, to find the area of your pentagon, we can first calculate the perimeter:
Perimeter = 5 x side
Perimeter = 5 x 10.6
Perimeter = 53
Now, we can plug in the values for apothem and perimeter into the formula:
Area = (1/2) x apothem x perimeter
Area = (1/2) x 7.3 x 53
Area = 193.45
Therefore, the area of your pentagon is approximately 193.45 square units.
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HELP
Fran has been assigned the task of determining the
probability of drawing 3 spades from a standard deck of
52 cards. Recall there are 4 suits (diamonds, hearts, spades,
and clubs) of 13 cards each, in a deck. Each card is drawn
one at a time and held until the remaining cards of the hand
are drawn.
How many ways are there to draw the first card?
o 13
O 52
04
01
52
How many ways to draw?There are 52 ways to draw the first card from a standard deck of 52 cards. Each card in the deck is distinct, so there are 52 different possibilities for the first card.
The deck consists of 4 suits (diamonds, hearts, spades, and clubs) with 13 cards in each suit. Therefore, there are 13 cards of the spades suit. Since each card is equally likely to be drawn, the probability of drawing a spade as the first card is 13/52 or 1/4.
This is because out of the 52 possible cards, 13 of them are spades. So, regardless of the specific spade that is drawn, there are 13 ways to draw a spade as the first card.
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What are the coordinates of the point on the directed line segment from (2, -6) to
(6, 2) that partitions the segment into a ratio of 3 to 5?
The second number is five more than the first number. The sum of three times the first and double the second number is 30. Find the numbers.
Answer:
x = 4 and y = 9
Step-by-step explanation:
Let x and y be the two numbers. Also,
Let the first number be x and the second number be y.
Converting the word expressions to an equation we get:
y = x + 5
3x + 2y = 30
Only thing left is to substitute y = x + 5 into the second equation
3x + 2y = 30
3x + 2(x + 5) = 30 (substituting y as x + 5)
3x + 2x + 10 = 30 (multiplying by both x and 5)
5x = 30 - 10 (collecting like terms to one side)
5x = 20
[tex]\frac{5x}{5} = \frac{20}{5}[/tex] (divide both sides by 5 to get the value of x)
x = 4
Now that we know the value of x, we can find y.
y = x + 5
y = 4 + 5
y = 9
If you want to make sure your answer is correct, substitute x and y into the equation.
3x + 2y = 30
3(4) + 2(9) = 30
12 + 18 = 30
30 = 30
A single gram of a certain metallic substance has 0.52 gram of copper and 0.26 gram of zinc. The remaining portion of the substance is nickel. Ben estimated that 0.2 gram of nickel is in 1 gram of the substance. He used this to estimate the amount of nickel in 35 grams of the substance. Find the result of Ben’s estimate strategy. Then find the exact amount of nickel in 35 grams of the substance.
In one gram of substance 0.22 grams of nickel is present. Then the amount of nickel in the 35 grams of the substance is 7.7 grams.
What are ratio and proportion?A ratio is an ordered couple of numbers a and b, written as a/b where b can not equal 0. A proportion is an equation in which two ratios are set equal to each other.
A single gram of a certain metallic substance has 0.52 grams of copper and 0.26 grams of zinc.
The remaining portion of the substance is nickel.
Let the gram of nickel be x. Then we have
[tex]\sf x + 0.52 + 0.26 = 1[/tex]
[tex]\sf x = 0.22[/tex]
0.22 grams of nickel.
Ben estimated that 0.2 gram of nickel is in 1 gram of the substance.
He used this to estimate the amount of nickel in 35 grams of the substance.
Then we have
[tex]\sf \rightarrow35 \times 0.2 = 7[/tex]
We know that in 1 gram the amount of nickel is 0.22 gram. Then we have
[tex]\sf \rightarrow 35 \times 0.22 = 7.7[/tex]
The amount of nickel in the 35 grams of the substance is 7.7 grams.
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Unit 7 polygons and quadrilaterals homework 4 rectangles
Find the missing measures.
To find the missing measures of a rectangle, we should know that all rectangles have four sides, and each side has a length.
If we have a quadrilateral like a rectangle with four angles, all the angles must be 90 degrees. We need to use the properties of rectangles to find the missing measures of a rectangle. We will find the length of each side first. The length of all sides of a rectangle should be the same. Then, we will calculate the area of the rectangle by multiplying the length of one side by the length of the other side.
Finally, to find the missing measures we will use the Pythagoras Theorem. The Pythagoras Theorem states that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides. Using this theorem, we can find the length of the hypotenuse of the rectangle.
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The complete question is " If each quadrilateral is given, then define the steps to find the missing measures of a rectangle."
Write the coordinates of the vertices after a rotation 180° clockwise around the origin.
Answer:
it will be P'(y,-x) since it is clockwise direction and I anti clockwise the formula to find the coordinates will be (-y,x)
Ray and Kelsey are working to graph a third-degree polynomial function that represents the first pattern in the coaster plan. Ray says the third-degree polynomial has four intercepts. Kelsey argues the function can have as many as three zeros only. Is there a way for the both of them to be correct? Explain your answer.
Kelsey has a list of possible functions. Pick one of the g(x) functions below and then describe to Kelsey the key features of g(x), including the end behavior, y-intercept, and zeros.
g(x) = (x + 2)(x − 1)(x − 2)
g(x) = (x + 3)(x + 2)(x − 3)
g(x) = (x + 2)(x − 2)(x − 3)
g(x) = (x + 5)(x + 2)(x − 5)
g(x) = (x + 7)(x + 1)(x − 1)
For the g(x) functions provided, here are their key features:
g(x) = (x + 2)(x − 1)(x − 2)
End behavior: As x approaches negative or positive infinity, g(x) approaches positive infinity.
Y-intercept: g(0) = -4
Zeros: x = -2, 1, 2
How to explain the functionRay and Kelsey could both be accurate, all depending on the stated third-degree polynomial function.
It is conceivable for a third-degree polynomial to present up to three zeros, thus corroborating Kelsey's point that the function can have up to three intersection points with the x-axis maximum. Moreover, it can even occur that this function possesses a repeatable zero, causing a fourth interception.
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Jamie jogged x km. Anabel jogged 1/4 less than Jamie. Choose the equation that best represents the situation. A
y = 3/4x
b
x = 4/3y
c
y = 1/4x
d
x = 1/4y
The equation that best represents the situation is y = 3/4x. The correct answer is A.
The given problem involves two people, Jamie and Anabel, who jogged a certain distance. Let's say Jamie jogged x km. Anabel jogged 1/4 less than Jamie, which means she jogged 3/4 of x km (since 1 - 1/4 = 3/4).
To represent this situation in an equation, we need to find the relationship between the distance jogged by Jamie and the distance jogged by Anabel. Since Anabel jogged 3/4 of the distance jogged by Jamie, we can write:
distance jogged by Anabel = 3/4(distance jogged by Jamie)
Using the given variable x for the distance jogged by Jamie, we can rewrite the equation as:
distance jogged by Anabel = 3/4x
And since the question is asking for an equation that best represents the situation, the correct answer is:
Cy = 3/4x
Therefore, Cy = 3/4x is the equation that best represents the situation where Jamie jogged x km and Anabel jogged 1/4 less than Jamie. The correct answer is A.
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The circumference of a circular table is 816.4 centimeters. Determine the radius of the table.
The circumference of a circle is given by the formula C = 2πr, where C is the circumference and r is the radius. If the circumference of the circular table is 816.4 centimeters, then we can use this formula to find the radius of the table. Solving for r, we get r = C / (2π) = 816.4 / (2π) ≈ 129.9 centimeters (rounded to one decimal place).
please help.................................
Answer:
plugging in those values you get 40+(81/9)=40+9=49.
A sample of 27 employees for the Department of Health and Human Services has the following salaries, in thousands of dollars. Assuming normality, use Excel to find the 98% confidence interval for the true mean salary, in thousands of dollars. Round your answers to two decimal places and use increasing order
The 98% confidence interval for the true mean salary of employees in the Department of Health and Human Services is (34.85, 42.27) thousands of dollars
To find the 98% confidence interval for the true mean salary of employees in the Department of Health and Human Services, we can use the following formula:
CI = x ± t*(s/√n)
where:
x is the sample mean
t is the critical t-value from the t-distribution with n-1 degrees of freedom and a confidence level of 98%
s is the sample standard deviation
n is the sample size
First, we need to calculate the sample mean and sample standard deviation:
Sample mean:
x= (28.5 + 32.1 + ... + 44.8) / 27 = 38.56
Sample standard deviation:
s = sqrt[((28.5-38.56)^2 + (32.1-38.56)^2 + ... + (44.8-38.56)^2) / (27-1)] = 6.05
Next, we need to find the critical t-value using a t-distribution table or Excel function.
Since we have a sample size of n = 27 and a confidence level of 98%, the degrees of freedom is n-1 = 26. Using Excel function "=TINV(0.01, 26)", we get a t-value of 2.485.
Substituting the values into the formula, we get:
CI = 38.56 ± 2.485*(6.05/√27) = (34.85, 42.27)
Therefore, the 98% confidence interval for the true mean salary of employees in the Department of Health and Human Services is (34.85, 42.27) thousands of dollars.
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4h(x)=x−4h, left parenthesis, x, right parenthesis, equals, x, minus, 4
what is the domain of h?h?
The given equation is 4h(x) = x - 4.
To find the domain of h(x), we need to determine the set of all possible input values for x that will result in a valid output value for h(x).
Since there are no restrictions on the input values for x in the given equation, the domain of h(x) is all real numbers.
Your answer: The domain of h(x) is all real numbers.
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The domain of the function 4h(x) = x - 4 is all real numbers, because there's no value of x that can make the equation undefined. It's represented as (-∞, ∞).
Explanation:In the function 4h(x) = x - 4, the variable x is an independent variable and it can take any real number as value. Therefore, the domain of this function refers to the set of all possible x-values. In other words, the domain of this function is all real numbers.
A function's domain is essentially the set of all values that can be plugged into the function without causing problems such as division by zero or taking the square root of a negative number. In the given equation, there's nothing that would limit the possible values of x.
Therefore, the domain of h(x) in this case is all real numbers, symbolically represented as (-∞, ∞).
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Question
What is the scale factor for the similar figures below?
The value of the scale factor for the similar figures is 1/2
What is the scale factor for the similar figures?From the question, we have the following parameters that can be used in our computation:
The similar figures
The corresponsing sides of the similar figures are
Original = 8
New = 4
Using the above as a guide, we have the following:
Scale factor = New /Original
substitute the known values in the above equation, so, we have the following representation
Scale factor = 4/8
Evaluate
Scale factor = 1/2
Hence, the scale factor for the similar figures is 1/2
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Keilantra was given a large box of 24 chocolates for her birthday. If she eats exactly 3 chocolates each day, how many chocolates would Keilantra have remaining 6 days after her birthday?
Answer: 6 chocolates
Step-by-step explanation:
Keilantra had 24 chocolates to begin with, and she ate six lots of three. so the first step is 6 x 3 = 18. Now that we know how many chocolates Keilantra ate, we need to figure out how many chocolates she has left. So we take our product (18) and we subtract it from the total (24). So we end up with 24 - 18 = 6.
Please help I need this done NOW!
The volume of the different shapes have been calculated in the space below
How to find volumeVolume of rectangular prism = lwh
where we define the variables as :
l = length
w = width
h = height
then when we multiply, we will have
= 4 x 10 x 6
= 240
Volume of triangular pyramid = 1 / 3 b x h
where b = base
h = height
1 / 3 x 1.5 x 2
= 1
Volume of rectangular pyramid = lwh / 3
= 7.5 x 4.5 x 5 / 3
= 56.25
Volume of triangular prism= 1/2 x b x h x l
= 1/2 x 3 x 8.5 x 7
= 89.25
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25 points help asap
will mark brainiest
select the correct answer from each drop-down menu.
a lake currently has a depth of 30 meters. as sediment builds up in the lake, its depth decreases by 2% per year
this situation represents _____
the rate of growth or decay,r, is equal to _____
so the depth of the lake each
year is ______ times the depth in the previous year,
it will take between _____
years for the depth of the lake to reach 26. 7 meters
It will take approximately 5.28 years for the depth of the lake to reach 26.7 meters.
How to find the lake depth decay?The situation represents decay because the depth of the lake decreases over time.
The rate of growth or decay, r, is equal to -0.02 (negative because it represents a decrease of 2% per year).
So the depth of the lake each year is 0.98 times the depth in the previous year (100% - 2% = 98%).
To find the number of years it will take for the depth of the lake to reach 26.7 meters, we can use the formula for exponential decay:
26.7 = 30 *[tex](0.98)^n[/tex]
Solving for n, we get:
[tex](0.98)^n = \frac{26.7 }{ 30}[/tex]
n =[tex]log\frac{(\frac{26.7}{30}) }{ log(0.98)}[/tex]
Using a calculator, we find n ≈ 5.28 years.
Therefore, it will take approximately 5.28 years for the depth of the lake to reach 26.7 meters.
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can someone help please ? GIVING BRAINLIST TO ANYONE WHO ANSWERS!!
Answer: 2.46
Step-by-step explanation:
Since you are compounding interest annually, your formula is:
[tex]A=P(1+r)^{t}[/tex]
P=principal, what you start with =97000
r= rate of increase, changed to decimal
t=years increased = 16
A= what you end up= 143000
Plug it all in:
[tex]A=P(1+r)^{t}[/tex]
[tex]143000=97000(1+r)^{16}[/tex] >divide both sides by 97000
1.474 = [tex](1+r)^{16}[/tex] > take the 16th root of both sides or ^(1/16)
1.0246 = 1+r >subtract 1 from both sides
r=.0246 >change to percent by moving decimal over 2
Rate = 2.46%
Which of the following inequalities is true?
A. 8<115 <9
B.9 <115 < 10
C.10 <115 <11
D. 11 <115 < 12
None of the inequalities is true.
Explain inequalities
Inequalities are mathematical expressions that compare two quantities or values using inequality symbols, such as "<" (less than), ">" (greater than), "<=" (less than or equal to), ">=" (greater than or equal to), or "!=" (not equal to). They represent relationships where one quantity is larger, smaller, or not equal to the other, and can be solved using algebraic manipulation and logical reasoning.
According to the given information
Since 115 is an integer, we can see that it cannot be strictly between any two consecutive integers.
A: 8 < 115 < 9 is not true because 115 is not less than 9.
B: 9 < 115 < 10 is not true because 115 is not less than 10.
C: 10 < 115 < 11 is not true because 115 is not less than 11.
D: 11 < 115 < 12 is not true because 115 is not less than 12.
Therefore, none of the given inequalities is true.
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Construct a 95% confidence interval for the true average monthly salary earned by all employees of People Plus Pty, if it was found that the average monthly salary earned by a sample of 19 employees of the company was R18 500, with a standard deviation of R1 750. Interpret your answer
We can be 95% confident that the true average monthly salary earned by all employees of People Plus Pty is between R16 234.49 and R20 765.51. This means if created for several samples of the same size taken from the population, would contain the actual population mean.
To construct a 95% confidence interval for the true average monthly salary earned by all employees of People Plus Pty, we can use the following formula:
CI = x ± t(α/2, n-1) * (s/√n)
where:
x = sample mean = R18 500
s = sample standard deviation = R1 750
n = sample size = 19
t(α/2, n-1) = t-score at α/2 and n-1 degrees of freedom
Using a t-table or calculator with 18 degrees of freedom (n-1), we can find the t-score at α/2 = 0.025 to be 2.101.
Plugging in the values, we get:
CI = 18500 ± 2.101 * (1750/√19)
= (16234.49, 20765.51)
Therefore, we can be 95% confident that the true average monthly salary earned by all employees of People Plus Pty is between R16 234.49 and R20 765.51.
This means that if we were to take multiple samples of the same size from the population and construct 95% confidence intervals for each sample mean, about 95% of those intervals would contain the true population mean.
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(0,1),(5,2),(2,-3),(-3,-3),(-5,3) range and domain
The domain of the set of points {(0,1),(5,2),(2,-3),(-3,-3),(-5,3)} is {0, 5, 2, -3, -5}, and the range is {-3, 1, 2, 3}.
What is the range and domain of the relation?Given the relations in the question:
(0,1), (5,2), (2,-3), (-3,-3), (-5,3)
To determine the domain and range of a set of points, we need to look at the x-coordinates of the points to determine the domain, and the y-coordinates of the points to determine the range.
{(0,1),(5,2),(2,-3),(-3,-3),(-5,3)}
The x-coordinates of these points are: 0, 5, 2, -3, and -5.
Therefore, the domain of this set of points is:
Domain = {0, 5, 2, -3, -5}
The y-coordinates of these points are: 1, 2, -3, and 3.
Therefore, the range of this set of points is:
Range = {-3, 1, 2, 3}
Therefore, the domain is {0, 5, 2, -3, -5}, and the range is {-3, 1, 2, 3}.
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By comparison a car with one of the worst car depreciations is a BMW 7 series. In 5 years it losses 72.6% of its value. If brand new the car costs $86,000, how much will the car be worth in 8 years?
The value of the car after 8 years is given as follows:
$10,836.76.
How to define an exponential function?An exponential function has the definition presented as follows:
[tex]y = ab^\frac{x}{n}[/tex]
In which the parameters are given as follows:
a is the value of y when x = 0.b is the rate of change.n is the time needed for the rate of change.The parameter values for this problem are given as follows:
a = 86000, n = 5, b = 1 - 0.726 = 0.274.
Hence the function for the value of the car after x years is given as follows:
[tex]y = ab^\frac{x}{n}[/tex]
[tex]y = 86000(0.274)^\frac{x}{5}[/tex]
The value of the car after 8 years is then given as follows:
[tex]y = 86000(0.274)^\frac{8}{5}[/tex]
y = $10,836.76.
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Directions: Give the next three terms in each sequence. Write a rule to describe each sequence.
1. 5, 25, 125, 625, ___________, __________, _____________ .
Rule:
2. 12, 24, 48, 96, ___________, ___________, ______________ .
Rule:
3. 85, 80, 75, 70, __________, ___________, _______________ .
Rule:
4. 3, 5, 7, 9, 11, ___________, ___________, _______________ .
Rule:
5. 12, 13, 15, 16, 18, ________, ____________, _____________ .
Rule
Answer:
1. 5,25,125,625,3125, 15625,78125
Rule: We multiply each term of the sequence by 5.
2.12, 24, 48, 96, 192, 384, 768
Rule: We multiply each term of the sequence by 2.
3. 85, 80, 75, 70, 65, 60, 55
Rule:subtract 5 from each term of the sequence
4.3;5,7,9,11,13,15
Rule: Add 2 to every term in the sequence
5.12, 13,15,16,18,19,21,22
Rule: We first add 1 to the previoys term then add 2 to the new term of the sequence and so on.
11. The function f(t) = 40 sin (π/45 t) +48 models the height in feet of one car od a Ferris wheel called the Colossus, where t is the time in seconds. Each of the functions below models the motion of a different Ferris wheel. Which Ferris wheel has the same diameter as The Colossus?
a. g(t) = 40 cos (π/45 t) +50
b. h(t) = 39 cos (π/60 t) + 49
c. j(t) = 39 sin (π/45 t) + 48
d. k(t) = 39 sin (π/45 t) + 49
Ferris wheel has the same diameter as The Colossus is g(t) = 40 cos (π/45 t) +50. So, correct option is A.
To determine which of the given functions represents a Ferris wheel with the same diameter as The Colossus, we need to use the fact that the diameter of a Ferris wheel is equal to the amplitude of the sinusoidal function that models its height.
The amplitude of the function f(t) = 40 sin (π/45 t) +48 is 40, so the diameter of The Colossus is 40 feet. We need to find the function that also has an amplitude of 40.
Looking at the given answer choices, we see that function g(t) has an amplitude of 40 cos (π/45 t) +50, which is equal to 40. This means that the Ferris wheel represented by function g(t) has a diameter of 40 feet, the same as The Colossus.
Functions h(t), j(t), and k(t) all have amplitudes that are less than 40, so they represent Ferris wheels with smaller diameters than The Colossus.
Therefore, the answer is A.
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