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san4es73 [151]
3 years ago
13

Can someone help me with this Please​

Mathematics
1 answer:
horrorfan [7]3 years ago
8 0

Answer:

314 cm²

Step-by-step explanation:

To find the area of a circle, use the formula A = πr² by substituting r = 10.

A = πr² = π10² = 314 cm²

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Suppose that a point moves along some unknown curve y = f(x) in such a way that, at
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Answer:

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The expression 7d gives the number of days in d weeks . Evaluate 7d for d=12. How many days are in 12 weeks?
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The sample variance of hourly wages was 10. what is the sample standard deviation?
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