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Aleksandr [31]
2 years ago
15

What is the correct answer?

Mathematics
2 answers:
Fynjy0 [20]2 years ago
8 0
I believe it’s 12. But I’m not sure
marin [14]2 years ago
7 0
I think it’s 12 but I’m not positive
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Hi I hope you are all okay could someone help me with this math question thankyou !!!
earnstyle [38]

Answer:

x = 49

Step-by-step explanation:

Given the mathematical expression and data;

y = 1/√x

y = 7 and x = 64

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

y = k/√x

7 = k/√64

7 = k/8

k = 7 * 8

k = 56

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

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Substituting the values, we have;

8 = 56/√x

Cross-multiplying, we have;

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Taking the square of both sides, we have;

(√x)² = 7²

x = 49

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A car drives 60 miles per hour. Write and solve an equation to find the number of hours it takes the
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<em>Answer:840 hours</em>

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Your answer is:840 hours

hope this was helpful :)

4 0
3 years ago
Hope u can read it sorry
Crank
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