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andreev551 [17]
2 years ago
6

Please help =/ And my heard hurt...

Mathematics
1 answer:
Ber [7]2 years ago
4 0
Not too sure but i think it’s D
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Which lines are perpendicular to the line y - 1= 1(x+2)? Check all that apply
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Step-by-step explanation:

Given the line y-1 = 1(x+2), in order to know the line that is perpendicular to the given line, we will first find the slope of the known line.

The standard form of equation of a line is expressed as y = mx+c

m is the slope

c is the intercept

Rewrite the equation given

y-1 = 1(x+2)

y-1 = x+2

y = x+2+1

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Comparing to the standard form, the slope m = 1.

For two lines to be perpendicular, the product of their slope must be -1 i.e mM = -1

Substitute

1(M) = -1

M = -1

For us to know the line that is perpendicular to the given line, its slope must be -1.

<em>Since none of the equation has a slope of -1, hence none of the lines are perpendicular to the line y - 1= 1(x+2).</em>

<em></em>

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Step-by-step explanation:

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The population of a city has increased by 36% since it was last measured. If the current population is 51000 , what was the prev
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So if we have the number after the 36% increase in population, we would want to subtract that 36% from 51000.

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See the image.

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