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iogann1982 [59]
3 years ago
15

PLEASE PLEASE HELP ME:(( I NEED WORKING AS WELL

Mathematics
1 answer:
mr Goodwill [35]3 years ago
8 0

the equation of the line has form

y=kx+b

\left \{ {{5=k*0+b} \atop {9=k*2+b}} \right. \\b=5\\9=2k+5\\2k=4\\k=2, so

y=2x+5

The second line is parallel to the first and runs 7 units lower, so b=5

0=1k+5\\k=-5\\y=-5x+5

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55% of what number is 22?
Ilya [14]
<span><u><em>Answer:</em></u>
The number is 40

<u><em>Explanation:</em></u>
Assume that the number we are looking for is x.
We know that 55% of the number x is 22.
This means that:
55% of x = 22
55% * x = 22
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<u>Now, we will simply solve for x as follows:</u>
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3 years ago
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