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3 years ago

12

Find the volume of the sphere. Either enter an exact answer in terms of pi or use 3.14 for pi and round your final answer to the

nearest hundredth.
radius 3

1 answer:

olya-2409 [2.1K]3 years ago

5 0

Step-by-step explanation:

Hello there!

Use the formula for the volume of a sphere:

$v=\frac{4}{3} \pi r^1\\V=\frac{4}{3} \pi9\\\\ V=12\pi =37.699111$

There is your answer!

:)

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Find the limit as t approaches 8 for the function f(t)=7(t-1)(t-1)

Ratling [72]

Answer:

7³

Step-by-step explanation:

You could answer this after a quick inspection. 7 remains constant as t approaches 8. Each of the (t -1) terms will approach 7. So, multiplying these factors together, you'll get 7(7)(7) = 7³3 as your answer, the limit as t approaches 8 of the given expression.

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3 years ago

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ycow [4]

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2 years ago

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anthony bought an 8 foot board.He cut off 3/4 of the board to build a shelf,and gave 1/3 of the rest to his brother for an art p

e-lub [12.9K]

Convert your feet to inches.
So 8 times by 12 = 96 inches
if you have 3/4 of the board used.
3/4= .75
if you were to times 96 by .75 = 72 inches.
So you used 72 inches and you have 24 inches left

now do 1/3= .33
times .33 by 24= 8
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7 0

3 years ago

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Question 1: find the volume of a cube whose total surface area is 486cm^2

lapo4ka [179]

<h3>The volume of cube is 729 cubic centimeter</h3>

<em><u>Solution:</u></em>

<em><u>The surface area of cube is given as:</u></em>

$Surface\ area = 6a^2$

Where, "a" is the length of side of cube

Given that, surface area = 486 square centimeter

$486 = 6a^2\\\\a^2 = \frac{486}{6}\\\\a^2 = 81\\\\a = 9$

<u><em>Find the volume of cube:</em></u>

$volume\ of\ cube = a^3\\\\volume\ of\ cube = 9^3\\\\volume\ of\ cube = 9 \times 9 \times 9\\\\volume\ of\ cube = 729$

Thus volume of cube is 729 cubic centimeter

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3 years ago

Gabriela has dinner at a cafe and the cost of her meal is $45.00. Because of the service,she wants to leave a 15%tip. What is he

Kitty [74]

45+(45*.15)=
45+6.75=51.75
6.75 is the tip, 51.75 is the total bill

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3 years ago