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3 years ago

Suppose that you walk 10 mi express yhe distance in yards?

Mathematics

2 answers:

Nuetrik [128]3 years ago

7 0

It should be 17600 yards

soldi70 [24.7K]3 years ago

7 0

17600 should be the correct answer

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A sphere has a radius of 5 ft.

leva [86]

Answer:

B. 100π

Step-by-step explanation:

The surface area of a sphere is given by

SA = 4 pi r^2

The radius is 5

SA = 4 * pi * r^2

SA = 4 * pi * 25

SA = 100 pi

8 0

2 years ago

Read 2 more answers

The circle with center O has a minor arc BSA with a length of

tangare [24]

Answer:

D. $\frac{27\pi}{2}$ inches.

Step-by-step explanation:

We have been given that the circle with center O has a minor arc BSA with a length of $3\pi^{2}$ inches. The central angle is 40°.

To find the circumference of circle we will use formula:

$\frac{\text{Central angle}}{2\pi}=\frac{\text{Arc length}}{2\pi r}$ , where $2\pi$ = measure of 360 degrees in radians and $2\pi r$ = circumference of circle.

Let us convert measure of central angle into radians.

$40^{o}=\frac{40*\pi}{180} =\frac{2\pi}{9}$

Upon substituting our given value in the formula we will get,

$\frac{\frac{2\pi}{9}}{2\pi}=\frac{\frac{3\pi}{2}}{2\pi r}$

$\frac{2\pi}{18\pi}=\frac{3\pi}{4\pi r}$

$\frac{1}{9}=\frac{3}{4r}$

Cross multiplying we will get,

$4r=27$

$r=\frac{27}{4}$

Hence, the radius of our circle is 27/4 inches.

Since the circumference of circle is $2\pi r$ . Upon substituting $r=\frac{27}{4}$ we will get,

$2\pi r=2\pi* \frac{27}{4}=\frac{27\pi}{2}$

Therefore, circumference of our given circle will be $\frac{27\pi}{2}$ inches and option D is the correct choice.

6 0

3 years ago

This is numbers 1,2 and 3

VLD [36.1K]

Answer:

i think its right i hope it is im so sorry if it is not

7 0

3 years ago

Determine whether the function below is an even function, an odd function, both, or neither. f(x)=x^2+3 Answers choices: A. Odd

liraira [26]

The answer is: B. Even function.

The explanation for this exercise is shown below:

1. You must substitute $x$ with $-x$ in the function:

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

2. As you can see, $f(-x)=f(x)$ , therefore it is an Even function.

8 0

4 years ago

Read 2 more answers

What is the answer to? |x+6|>2

melomori [17]

Answer:

x>−4 or x<−8

Step-by-step explanation:

8 0

4 years ago