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Leya [2.2K]
2 years ago
7

the price for internet on the phone at least $9 a month with starting November the price will be 11.34 what is the % increase​

Mathematics
1 answer:
Murljashka [212]2 years ago
8 0

Answer:   26%

Step-by-step explanation:

Percent change: (New-Old)/Old times 100; (11.34-9)/9=0.26x100=26

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Answer:

y=-\frac{5}{3} x+\frac{10}{3}  or what is the same: 5x+3y=10

Step-by-step explanation:

First we find the slope of the line that goes through the points (-4,10) and (-1,5) using the slope formula: slope=\frac{10-5}{-4-(-1)} =\frac{5}{-3} =-\frac{5}{3}

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y=-\frac{5}{3} x+b

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y=-\frac{5}{3} x+b\\5=-\frac{5}{3} (-1)+b\\5=\frac{5}{3}+b\\5-\frac{5}{3}=b\\b=\frac{10}{3}

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Notice that this equation can also be written in an equivalent form by multiplying both sides of the equal sign by "3", which allows us to write it without denominators:

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