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ollegr [7]
3 years ago
8

Please some help me fast

Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0

Answer:

A

Step-by-step explanation:

To find the best equation, we simply substitute the values of a, b, and c into the given equations.

a = 21

b = 5

c = 36

a=\dfrac{7}{10}b\sqrt{c}

21=\dfrac{7}{10}5\sqrt{36}

21=\dfrac{7}{10}5(6)

21=\dfrac{7}{10}30

21=(0.7)30

21=21

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