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KonstantinChe [14]
3 years ago
11

Need help pleaseOn all three

Mathematics
1 answer:
Pepsi [2]3 years ago
5 0

Answer:

1. proportional relationship

2. constant of proportionality

3. unit rate.

I'm not exactly sure on these answers, so please double check them for me to make sure that they are correct.

Step-by-step explanation:


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6 16x + 5y = -2<br> 4x - y=-2
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Answer:

x=2/9,y=26/9

Step-by-step explanation:

This is a simultaneous equation

16x+5y=-2..(1)

4x-y=-2...(2)

From (2) make y the subject of formula

y=4x+2..(3)

Substitute (3) into (1)

16x+5(4x+2)=-2

16x+20x+10=-2

36x-10=-2

Add 10 to both sides

36x=8

Divide both sides by 36

x=8/36

Divide both denominator and numerator by 4

x=2/9

Substitute the value x into (3)

y=4(2/9)+2

y=8/9+2

Let the LCM be 9

y=8+18/9

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Therefore x=2/9,y=26/9

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