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Charra [1.4K]
2 years ago
14

Find the area of a circle with a radius of 10 centimeters. Use 3.14 for π.

Mathematics
1 answer:
MatroZZZ [7]2 years ago
8 0

Answer:

A = 314 cm²

Step-by-step explanation:

the area (A) of a circle is calculated as

A = πr² ( r is the radius )

  = 3.14 × 10²

 = 3.14 × 100

 = 314 cm²

 

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Tasya [4]

Answer:

Joe worked 3 hours overtime.

Step-by-step explanation:

Let t = number of hours overworked

425 + 20 × t = 485

425 + 20t = 485

20t = 485 - 425

     = 60

\frac{20t}{20} = \frac{60}{20}

t = 3

\therefore Joe worked 3 hours over time.

Hope this helps :)

6 0
3 years ago
What is the answer to this problem<br> 8x-2=-9+7×
Ksenya-84 [330]
8x−2=−9+7x

Simplify:

8x−2=−9+7x

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8x−2−7x=7x−9−7x

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 Add 2 to both sides.

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8 0
4 years ago
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valina [46]
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3 0
3 years ago
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inna [77]

Answer:

114 it think but maybe not

Step-by-step explanation:

a

7 0
3 years ago
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What is 3 divided by 6 to the power of -1? <br> 3/6^-1?
guapka [62]

Answer:

18

Step-by-step explanation:

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