Two numbers are in the ratio 5 ratio 7 the different difference of their way square is 216 find the number
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Answered by
0
Step-by-step explanation:
5x+7x=216
12x=216
x=18
5x=5x18=90
7x=7x18=126
Answered by
0
Answer:
Let the variable be x
so 5x:7x
(7x)^2 - (5x)^2 = 216
49x^2 - 25x^2 = 216
24x^2 = 216
x^2 = 216/24
x^2 = 9
x = √9
x = 3
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