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Juli2301 [7.4K]
3 years ago
9

5. What is closest to the volume of the sphere?

Mathematics
1 answer:
mart [117]3 years ago
8 0

Answer:

The correct answer is D)

Step-by-step explanation:

To find the volume of a sphere, you need to use the formula \frac{4}{3}\pi r^3. Since the radius of the sphere is 7.5 inches, you can use that to solve the volume. \frac{4}{3}\pi *7.5^3 = \frac{4}{3}\pi *421.875 = 562.5*\pi ≈ 1767.15in^3, which is closest to 1767.21in^3, so that is the correct answer.

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Does anyone know what 2/6 plus 1/8 is?
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Answer:

3/14

Step-by-step explanation:

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Three students opened saving accounts. Mariama has saved $25.40. Shai saved 3/4 of the amount that Mariama saved. Nyah saved twi
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5 0
3 years ago
What is the equation of the line that is perpendicular to the given line and passes through the point (3, 0)?
olga2289 [7]

Step 1

<u>Find the slope of the given line</u>

Let

A(-3,2)\ B(2,-1)

slope mAB is equal to

mAB=\frac{(y2-y1)}{(x2-x1)} \\ \\ mAB=\frac{(-1-2)}{(2+3)} \\ \\ mAB=-\frac{3}{5}

Step 2

<u>Find the slope of the line that is perpendicular to the given line</u>

Let

CD ------> the line that is perpendicular to the given line

we know that

If two lines are perpendicular, then the product of their slopes is equal to -1

so

mAB*mCD=-1\\ mAB=-\frac{3}{5} \\ mCD=-\frac{1}{mAB} \\ mCD=\frac{5}{3}

Step 3

<u>Find the equation of the line with mCD and the point (3,0)</u>

we know that

the equation of the line in the form point-slope is equal to

y-y1=m(x-x1)\\\\ y-0=\frac{5}{3} *(x-3)\\\\ y=\frac{5}{3} x-5

Multiply by 3 both sides

3y=5x-15

5x-3y=15

therefore

the answer is

the equation of the line that is perpendicular to the given line is the equation 5x-3y=15

4 0
3 years ago
Read 2 more answers
What are the factors of 36
nasty-shy [4]
1,36. 2,18. 3,12. 4,9. 6,6. I thibk thats all
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