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3 years ago

A driveway measures 2 miles. What does the driveway measure in feet?

Mathematics

1 answer:

ehidna [41]3 years ago

3 0

Answer:

10560 feet

Step-by-step explanation:

multiply the length value by 5280

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The height of each story of an office building is 9 3/4 feet. The height is measured from the ceiling to the floor. The building

Monica [59]

I believe that the correct answer is B) -19 1/2 feet

4 0

2 years ago

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The length of needles produced by a machine has standard deviation of 0.04 inches. Assuming that the distribution is normal, how

Lana71 [14]

Answer:

The sample size is $n = 87$

Step-by-step explanation:

From the question we are told that

The standard deviation is $\sigma = 0.04 \ inches$

The precision is $d = \pm 0.005 \ inches$

The confidence level is $C =$ 98%

Generally the sample size is mathematically represented as

$n = \frac{ Z_{\frac{\alpha }{2} } ^2* \alpha^2 }{d^2}$

Where $\alpha$ is the level of significance which is mathematically evaluated as

$\alpha = 100 - 98$

$\alpha = 2$ %

$\alpha = 0.02$

and $Z_{\frac{\alpha }{2} }$ is the critical value of $\alpha$ which is obtained from the normal distribution table as 2.326

substituting values

$n = \frac{2.326 ^2* 0.02^2 }{0.005^2}$

$n = 87$

3 0

3 years ago

1. What is the correct reason for statement #3?

r-ruslan [8.4K]

Answer:

1) B. Combine-like terms

2) A. Subtraction Property of Equality

3)D. Division Property of Equality

Step-by-step explanation:

8 0

3 years ago

Will give Brainliest if you answer all

oee [108]

What grade are you in so I know what level you are on to help

7 0

3 years ago

Help! You can look at the picture please

viva [34]

Answer:

$\frac{3x}{3 - 2x}$

Step-by-step explanation:

Here,

f(x) = y

$y = \frac{3x}{2x + 3}$

or , swapping x with y

$x = \frac{3y}{2y + 3}$

now to solve for y we get

$y = \frac{3x}{3 - 2x}$

now we put f inverse x instead of y

${f}^{ - 1} (x) = \frac{3x}{3 - 2x}$

I am done.

4 0

3 years ago

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