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Virty [35]
4 years ago
15

Sum of two numbers is 20 their difference is 118

Mathematics
1 answer:
padilas [110]4 years ago
5 0

Answer:

y = -49 x = 69

Step-by-step explanation:

make an equation

x+y=20 and x-y=118

then you can solve by elimination

x+y=20

x-y=118

=2x=138

x=69

69-y=118

-y=49

y=-49

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Answer:

s = sqrt(A - 25)/4

Step-by-step explanation:

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Switch sides.

16s^2 + 25 = A

Subtract 25 from both sides.

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s^2 = (A - 25)/16

Take the square root of each side.

s = sqrt[(A - 25)/16]

s = sqrt(A - 25)/4

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3 years ago
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Answer:

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