If 9,x,x,49 are in proportion then x=?
Answers
Answered by
1
9*49 = x*x
441 = x²
x= √441
x= 21
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Answered by
5
Answer:
x = 21
Step-by-step explanation:
9 / x = x / 49
x^2 = 9 × 49
x = 21
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