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3 years ago

A line passes through the point (-8, 4) and has a slope of - 5/4.

Mathematics

2 answers:

ratelena [41]3 years ago

6 0

Answer:

y-4=m(x+8)

Step-by-step explanation:

point slope form is y-y1=m(x-x1) where y1 is the y in the point the line passes through, and x1 is the x in the point the line passes through.

So, you can put in (-8,4) in as I did.

Also, since the x in the point the line passes through is a negative, and two negatives make a positive, that's why the x-x1 part changes into x+8

Hope my explanation makes sense!

Bad White [126]3 years ago

4 0

Answer:

Point-slope equation is

y-y1 = m(x-x1)

m is a slope, m=5/4

y1 = -5, x1 = 8

Point-slope equation is

y+5 = 5/4(x - 8).

Step-by-step explanation:

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Answer:

there are 40 eighths in 5

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40/8 (the fraction)

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3 years ago

What is the area of the white border?

Lina20 [59]

Answer:

$A_{white} = 119\ cm^2$

Step-by-step explanation:

Step 1: Determine the area of the black area

$A = l * w$

$A = 8\ cm * 2\ cm$

$A = 16\ cm^2$

Step 2: Determine the area of the entire white and black area

$A = l * w$

$A = 9\ cm * 15\ cm$

$A = 135\ cm^2$

Step 3: Determine the difference to just get the white area

$A_{white} = 135\ cm^2 - 16\ cm^2$

$A_{white} = 119\ cm^2$

Answer: $A_{white} = 119\ cm^2$

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2 years ago