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stepladder [879]
2 years ago
13

How many solutions does this system

Mathematics
2 answers:
qaws [65]2 years ago
7 0

Answer:

B. One

Step-by-step explanation:

pochemuha2 years ago
7 0
X+2y=10
2x+8y=16

x=-2y+10

2x+8y=16
2(-2y+10)+8y=16
-4y+20+8y=16
4y=-4
y=-1

x=-2y+10
x=-2(-1)+10
x=2+10
x=12

This means that there can be only one solution (12,-1).
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Step-by-step explanation:

when a price is marked up it is greater than the original

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4 0
3 years ago
How much weight did he gain over the six week period?
kolezko [41]
Convert all to decimals
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2 and 1/2=2.5
3=3
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answer is 8 and 1/4
B is correct answer
(note, previous user's answer was correct, but had no work shown)
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3 years ago
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Answer:

called unit rate .

Step-by-step explanation:

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