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olasank [31]
3 years ago
11

Find the slope of the line that passes through (-20, -51) and (31, -75).

Mathematics
1 answer:
lilavasa [31]3 years ago
7 0

Answer:

-8/17

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-75-(-51))/(31-(-20))

m=(-75+51)/(31+20)

m=-24/51

m=-8/17

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inessss [21]
D is the answer. Hope this helps!
7 0
4 years ago
The graph of a line passes through the points (0,-2) and (6,0). what is the equation of the line?
nirvana33 [79]

Answer:

y = 1/3x - 2

Step-by-step explanation:

We are asked to find the equation of a line with two points

Step1: find the slope

m = (y_2 - y_1)/(x_2 - x_1)

( 0 , -2) (6 , 0)

x_1 = 0

y_1 = -2

x_2 = 6

y_2 = 0

Insert the values

m = ( 0 - (-2)/ (6 - 0)

m = ( 0 + 2)/(6 - 0)

m = 2/6

m = (2/2)/(6/2)

m = 1/3

Step 2 : substitute m into the equation of line

y = mx + c

y = intercept y

m = slope

x = intercept x

c = intercept

y = 1/3x + c

Step 3: sub any of the two points

Let's pick ( 6 ,0)

x = 6

y = 0

Insert the values into

y = 1/3x + c

0 = 1/3(6) + c

0 = 1*6/3 + c

0 = 6/3 + c

0 = 2 + c

c = 0 - 2

c = -2

Sub c = -2

y = 1/3x - 2

The equation of the line is

y = 1/3x - 2

5 0
4 years ago
Which expression is equivalent to x - 5/3
soldier1979 [14.2K]

Answer:

\frac{1}{3}(3x-5)

Step-by-step explanation:

If you expand an equation you get its equivalent expression

6 0
3 years ago
A group of 540 students are required to take a test. Of these,
snow_tiger [21]

Answer:

  1. 11
  2. 75, 210, 150, 60

6 0
3 years ago
Joanna has 70 beads. She uses 8 beads for each bracelet. She makes as many bracelets as possible. How many beads will Joanna hav
gogolik [260]
She will have 6 braces left over since 8x8=64 and 70-64=6
6 0
3 years ago
Read 2 more answers
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