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TiliK225 [7]
3 years ago
14

Please answer this correctly

Mathematics
1 answer:
slavikrds [6]3 years ago
7 0

Answer:

19.63

Step-by-step explanation:

If the perimeter is 17.85, then it is equal to 2r+(2*3.14*r)/4. Solving this gives us r=5. Therefore, the quarter circle's area is (3.14*5^2)/4 = 19.625. Rounding this gives us 19.63

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PSYCHO15rus [73]

(1.2×10^2) + (3.04×10^5)

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1.2 * 10^2   + 3040 *10^2=

add the numbers keep the exponents the same

3041.2 * 10^2

there can only be 1 number before the decimal in scientific notation so we need to move the decimal 3 places to the left, which adds 3 to the exponent

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If 3/2 divided by 1/4 = n, then n is between?
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