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puteri [66]
1 year ago
5

The radius of a circle is 0.00012 * 10 ^ 5 * f * t . What is the area of the circle? Use the formula A = pi * r ^ 2

Mathematics
1 answer:
Rina8888 [55]1 year ago
3 0

Answer: 144\pi square feet

Step-by-step explanation:

A=\pi(0.00012 \times 10^{5})^{2}=\boxed{144\pi \text{ ft}^{2}}

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Step-by-step explanation:

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8 0
3 years ago
If a² + b² = z and ab = y, which of the following is equivalent to 4z + 8y? Show all the steps.
Ivenika [448]

Answer:

The answer to your question is:       (2a + 2b)²

Step-by-step explanation:

a² + b² = z

ab = y

Which is equivalent to 4z + 8y ?

Substitution

                                     4(a² + b²) + 8(ab)

Simplify                        4a² + 4b² + 8ab

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Factorize                     (2a + 2b)²

7 0
3 years ago
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Answer:

Step-by-step explanation:

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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