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3 years ago

I need help w this pls :)

Mathematics

1 answer:

Llana [10]3 years ago

5 0

Answer:

x8 y6

Step-by-step explanation:

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A volleyball of radius 13 inches fits exactly in a cylinder with the same radius. inside the container there is empty space not

asambeis [7]

Volume of Sphere is V=(4/3)*PI*r^3

The radius of the volleyball is 13 inches

<span>So V=(4/3) * 3.14 * 13^3 = 9198 cubic inches</span>

Volume of a cylinder is V=pi * r^2 *h

Since they say the ball fits perfectly

The radius is 13 and the height is 26 ( the diameter of the ball)

So V=3.14 * 13^2 * 26 = 13,797 cubic inches

13797 – 9198 = 4,599 cubic inches of empty space

4 0

3 years ago

Read 2 more answers

Help me please answer thanks

attashe74 [19]

Answer:

I think it would be each girl scored 2 points, and each boy only scored one. :)

3 0

3 years ago

Jonah has a recipe that uses 1 1/2 cups of brown sugar and 2 1/3 cups of flour to make 24 muffins. He has a total of 7 cups of f

ra1l [238]

7 / 2 1/3 = 7/1 / 7/3 = 7/1 * 3/7 = 21/7 = 3 ( enough flour for 3 batches of muffins)

1 1/2 * 3 = 4 1/2 cups of brown sugar needed

6 0

3 years ago

Read 2 more answers

If three times a number minus 2 equals 13, what is the number?

Nana76 [90]

Change the messy words into numerals
3 times a number minus 2    equals    13
3 × n - 2 = 13

3n - 2 = 13
take 2 to the other side
3n - 2 + (2) = 13 + (2)
3n = 15

Divide by 3 on either sides to isolate n
$\frac{3n}{3}$ = $\frac{15}{3}$
3 and 3 cancels out

n = 5

check:
3 times 5 minus 2 equals 13
3   × 5 - 2 = 13
15 - 2 = 13
13 =    13

The number is 5

3 0

3 years ago

(9.4x-3y) -(4.5x-8y) simplified

Elena-2011 [213]

Answer:

4.9x + 5y

Step-by-step explanation:

$(9.4x - 3y) - (4.5x - 8y) \\ = 9.4x - 3y - 4.5x + 8y \\ = 9.4x - 4.5x + 8y - 3y \\ = 4.9x + 5y$

6 0

3 years ago