3 years ago

40% of what number is 10.2?

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

6 0

25.5 Is the answer..............

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cricket20 [7]

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Step-by-step explanation:

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Step-by-step explanation:

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4 years ago

Read 2 more answers

Suppose the radius of a sphere is tripled.

Nimfa-mama [501]

$A=4r^2\pi
\\r_1=4r
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\\
\\r_1=4r
\\
\\V_1=\frac{4}{3} r_1^3\pi=\frac{4}{3} (4r)^3\pi=\frac{4}{3} \times64r^3\pi=64\times\frac{4}{3} r^3\pi=64V$
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3 years ago