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Jlenok [28]
3 years ago
8

Everything else right but just can’t figure that fraction out.

Mathematics
1 answer:
krok68 [10]3 years ago
6 0

Answer: 1/5

Step-by-step explanation: Since there are 5 blue/green marbles in the bag of 20 it would be 5/20 or 1/5.

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A pair of equations is shown below:
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Remark
The very easiest way to do this is by substitution. The ys are isolated on the left. When you equate what's on the right, you can solve this for 1 variable, the xs.

Substitute and solve
8x - 9 = 4x -1             Subtract 4x from both sides.
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y = 8 - 1
y = 7

Answer
The equations intersect at (2,7)

Part  B
See the graph below. Notice the intersect point.

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