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1 vote
HELP PLSSSS SSSSSSSS

HELP PLSSSS SSSSSSSS-example-1

2 Answers

1 vote

Answer:

A

Explanation:

A proportion is given:


(4)/(5) = \frac{ {x}^(2) }{20}

Use the property of proportion to find x (cross-multiply):


5 * {x}^(2) = 20 * 4


5 {x}^(2) = 80

Divide both sides of the equation by 5 to make x^2 the subject:


{x}^(2) = 16


x > 0


x = √(16) = 4

4 votes

Answer:A

Step-by-step explanation: i have had this question before

User Karamjit
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