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wolverine [178]
3 years ago
15

Whats from 98 to 67.7

Mathematics
1 answer:
spin [16.1K]3 years ago
3 0
This is a 30.91837% decrease, so approximately a 31% decrease from 98 to 67.7.
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The equation's X-y= 2, -2y=-2, X+ y = 2, and x+2y=-2 are shown on the graph below.
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Answer:

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Step-by-step explanation:

For option A, we have:

x-y=2

x+2y=-2

Subtract the first equation from the second, to get:

2y--y=-2-2

This implies that:

2y+y=-2-2

Simplify to get:

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y =  -  \frac{4}{3}  =  - 1.3

We substitute y=-1.3 into the first equation to get:

x--1.3=2

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x=2-1.3

x=0.7

The solution is (0.7,-1.3), which is approximately (0.7, -1.4)

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