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just olya [345]
3 years ago
6

Find the slope of the line through each pair of points (-20,-4) and (-12,-10)

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
8 0

Answer:

y=-3/4x-19

Step-by-step explanation:

Download pdf
Vilka [71]3 years ago
6 0

Answer: -3/4x -19

Use formula y2 - y1

                      x2 - x1

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Solving a System of Linear Equations - Applications - Item 92238
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Answer:

$132

Step-by-step explanation:

1) In this system of eqn x represents the price of washing cars and y represents the price of washing SUVs

2) From the given eqn,

y = (84 - 4x)/2

and

y = (126 - 3x)/5

equating both the equation,

(84 - 4x)/2 = (126 - 3x)/5

=> 210 - 10x = 126 - 3x

=> 7x = 84

=> x = 12

=> y = (84 - 48)/2 = 18

Hence the co-ordinate of intersection will be (12,18)

3) The total cost of 1 car and 1 suv = x + y = 12 + 18 = $ 30

4) The total earning of hour 3

= 5x + 4y

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7 0
3 years ago
Y-x=-3 in y =mx+b form​
MA_775_DIABLO [31]

Answer:

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5 0
3 years ago
Two more than a number equals three times the sum of one third of the number plus six. Is this statement true for only one numbe
Ulleksa [173]

Answer:

Step-by-step explanation:

n + 2 = 3(1/3n + 6)

n + 2 = n + 18

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4 0
3 years ago
I may be like 12 weeks in, but I still need help with coefficients and what they are. (Btw my state does NOT use common core met
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Answer:

They are any number in front of a variable so like 4x 7y or 8z. 4, 7 and 8 are the coefficients. A number by itself is a constant. For example 3, 1 and 9 are constants.



6 0
3 years ago
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