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dsp73
3 years ago
8

Find the volume of a sphere with a surface area of 2,123.72 square meters.

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
5 0

Answer:4.54×10^13 or 45,400,000,000,000

Step-by-step explanation:

Hunter-Best [27]3 years ago
4 0
V≈0.27
Surface area is 2
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dybincka [34]

First, we want to ask "What number divided by 7 <em>is </em>800?" That'll give us a jumping off point to answer the rest of the question.

If dividing some number by 7 gets us 800, that means that <em>multiplying </em>800 by 7 should get us back that number. We find that 800 x 7 = 5600. The first number higher than 5600 is 5601, which, when divided by 7, gets us about 800.14, a number greater than 800. So the lowest whole number that makes the inequality ? ÷ 7 > 800 work is 5601.

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3 years ago
Find the simple interest earned in an account where $4,500 is on deposit for 4 years at 3% annual interest.
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Answer:

405 intrest

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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The sides of a hexagon are 2, 3, 2, 4, 7, and 6. Find the perimeter of a similar hexagon with two sides of length 3.
Basile [38]

The first hexagon: 2, 2, 3, 4, 6, 7

The second hexagon: 3, 3, a, b, c, d

The hexagons are similar. Therefore the sides are in proportion.

\dfrac{a}{3}=\dfrac{3}{2}     <em>multiply both sides by 3</em>

a=\dfrac{3}{2}=4.5

\dfrac{b}{4}=\dfrac{3}{2}    <em>multiply both sides by 4</em>

b=\dfrac{3}{2}\cdot4=6

\dfrac{c}{6}=\dfrac{3}{2}     <em>multiply both sides by 6</em>

c=\dfrac{3}{2}\cdot6=9

\dfrac{d}{7}=\dfrac{3}{2}    <em>multiply both sides by 7</em>

d=\dfrac{21}{2}=10.5

The perimeter:

P=4.5+6+9+10.5=30

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3 years ago
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IgorLugansk [536]
\$55-\$25=\$30\\&#10;\$30\div\$1.5=20

20 balloons
4 0
3 years ago
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