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12345 [234]
3 years ago
14

When h has a value 4,calculate 5h+7

Mathematics
2 answers:
Colt1911 [192]3 years ago
5 0
If h=4, then 5(4)+7= 27. Using PEMDAS, do multiplication first, so 20, then add the 7.
Ugo [173]3 years ago
3 0
H=4 so the equation would be 5*4+7.
Follow order of operations and you get 20+7
So the answer you are looking for is 27
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Answer:

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Step-by-step explanation:

Given the mathematical expression and data;

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y = 7 and x = 64

First of all, we would find the constant of proportionality, k;

y = k/√x

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7 = k/8

k = 7 * 8

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Next, to find the value of x, when y = 8

y = k/√x

Substituting the values, we have;

8 = 56/√x

Cross-multiplying, we have;

8 * √x = 56

√x = 56/8

√x = 7

Taking the square of both sides, we have;

(√x)² = 7²

x = 49

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