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2 years ago

Rebecca solved

1 answer:

8 0

No.

$\sqrt{45}=3\sqrt{5} \\2\sqrt{20} =2\sqrt5}$

If you add them up you DO NOT GET $5\sqrt{5}.$ According to mathematics, it equals to $7\sqrt{5}$ .

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Alex

Answer:

R = 6S/T

Step-by-step explanation:

R ∝ S/ T

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》k = RT/ S

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then, k = (8 × 3)/ 4

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