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Hatshy [7]
2 years ago
11

Find the area of a circle with radius, r = 76cm. Give your answer rounded to 3 SF.

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
5 0

Answer:

17,700.00

Step-by-step explanation:

Area of a circle = 22

------ r2

7

=22

------ 76x76 =123,750

7 ---------- =1,768.571

7

1,768.571 rounded to 3 SF=17700.00

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motikmotik
Section 1:

using this format we can determine what the answer is:

42 105
—— • ——-
100 x

(the spacing may be off but imagine two separate fractions)

first multiply 100 by 105 to get 10,500

then divide by 42 to get 250

this means that sasha’s book has 250 pages

section b:

using the same formula we can solve this problem:

first we need to multiply 250 by 2 to get the total cost of both tickets

175 x
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(again spacing may be off but think of two separate fractions)

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then divide by 100 to get 875

to find the profit subtract 875-500

this means he will make $375 profit

conclusion:

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3 years ago
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3 years ago
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