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AnnyKZ [126]
2 years ago
10

If x-5=12, what is the value of x-9?

Mathematics
1 answer:
aleksandr82 [10.1K]2 years ago
5 0

Answer

8

Step-by-step explanation:

5+12=17 and 17-9=8

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3x+5y = 15 find the slope of a line perpendicular to each given line
gladu [14]

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5 0
1 year ago
15 points!
Phantasy [73]

Hi there! You are provided with two points, this is all you need to calculate the line's slope.


The equation for slope is:

\frac{y2 - y1}{x2 - x1}

\frac{10 - 8}{3 - 7} = -\frac{2}{4}

Slope: -2/4


Point slope form, or y-y1 = m(x - x1). All we have to do is take the x and y coordinates of either point, as well as the slope, and plug them into the equation.

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Write the equation in slope-intercept form (y=mx+b)

y - 10 = -2/4(x-3)\\y = -2/4(x-3) + 10\\y = -2/4x + 1.5 + 10\\y = -2/4x + 11.5


A) -2/4

B) y - 10 = -2/4(x - 3)

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2 years ago
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