Question

find x if distance between L (x, 7)& M(1,15) is 10​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Distance formula: $\tt{\sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}}$

=> 10 = $\tt{\sqrt{(x - 1)^{2} + (7 - 15)^{2}}}$

Squaring on both sides:

=> 100 = (x - 1)^2 + 64

=> 36 = (x - 1)^2

Square rooting on both sides:

=> 6 = x - 1 , - 6 = x - 1

=> x = 7, x = -5

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