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satela [25.4K]
3 years ago
15

Work out area of this semi circle with diameter 10

Mathematics
1 answer:
ANTONII [103]3 years ago
8 0

Area of a circle is pi x r^2

R is the radius which is have the diameter: r = 10/2 = 5

Area of the full circle would be 3.14 x 5^2 = 3.14 x 25 = 78.5 square units.

A semi circle is half a full circle

Area of the semi circle = 78.5/2 = 39.25 square units.

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Greatest common divisor of 24 ; 80 and 180 ?
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Answer:

Step-by-step explanation:

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2 years ago
A group of artists is selling small prints to raise money for charity. They sell p prints, and make a profit of f(p) on the sale
MrRissso [65]

Answer:

Statement A is true.

Step-by-step explanation:

A. If the group sells 15 prints, they will lose $85.

B. If the group sells 12 prints, they will lose $204.

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D. If the group sells 28 prints, they will lose $136.

f(p) = 17p - 340

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f(p) = profit

Let's check the statements to see which one is true.

A. 17.15 - 340 = - 85 OK!

B. 17.12 - 340 = -136 (false, they will lose $136)

C. 17.35 - 340 = 255 (false, they will make $255)

D. 17.28 - 340 = 136 (false, they will make $136)

3 0
3 years ago
Luis has $20.He buys 4 cans of tennis balls and gets $8 back as change .How much did one can of tennis balls cost?
WARRIOR [948]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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loris [4]

Answer:

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Explanation:

Suppose the number of candy bars purchased is x

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Hope this helps! :)

5 0
3 years ago
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