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Vladimir [108]
2 years ago
9

A tent rental company charges a mandatory $125 setup fee and a $90 hourly rental fee. Which of the following equations can be us

ed to find c, the cost of renting a tent from this company for 9 hours?
A. c = (125 + 90)9
B. c = 125 + 90(9)
C. c = 125 - 90(9)
D. c = 125(9) + 90
Mathematics
2 answers:
Roman55 [17]2 years ago
7 0

B. c = 125 + 90(9) is the answer

Nezavi [6.7K]2 years ago
7 0

Answer:

B

Step-by-step explanation:

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Answer:

$ 3125.00

Step-by-step explanation:

P=\frac{SI * 100 }{R*T}=

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7 0
3 years ago
You are curious about the average number of yards Matthew Stafford throws for each game for the Detroit Lions. You randomly sele
Damm [24]

Answer:

The margin of error for this estimate is of 14.79 yards per game.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

T interval

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 20 - 1 = 19

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 19 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.093

The margin of error is:

M = T\frac{s}{\sqrt{n}}

In which s is the standard deviation of the sample and n is the size of the sample.

You randomly select 20 games and see that the average yards per game is 273.7 with a standard deviation of 31.64 yards.

This means that n = 20, s = 31.61

What is the margin of error for this estimate?

M = T\frac{s}{\sqrt{n}}

M = 2.093\frac{31.61}{\sqrt{20}}

M = 14.79

The margin of error for this estimate is of 14.79 yards per game.

3 0
3 years ago
What is the cube number that equals 6
Crazy boy [7]

Answer:

6 Cubed

=

216

Step-by-step explanation:

6 Cubed

=

216

4 0
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