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3 years ago

8(c - 15)= -40 the solution is c =

Mathematics

2 answers:

fiasKO [112]3 years ago

4 0

Answer:

c=10

Step-by-step explanation:

8(c-15)=(-40)

(8)(c)+(8)(−15)=(−40)

8c+(−120)=(−40)

8c−120=(−40)

8c−120+120=(−40)+120

8c=80

8c /8 = 80 /8

c=10

erastovalidia [21]3 years ago

3 0

Answer:

c = 10

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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Rectangle with a width of 36 centimeters and a perimeter of 80 centimeters

olga2289 [7]

Answer: Height = 4 centimeters

Area = 144 cm^2

Step-by-step explanation:

So we know that on a rectangle opposite sides are equal in distance.

If one side of the rectangle is 36 centimeters then that means the opposite side is also 36 centimeters.

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Svetach [21]

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3 years ago

Which equation represents the line that passes through the points (-5,2) and (9,0)

V125BC [204]

Step-by-step explanation:

Given points 

( -5 , 2) and (9 , 0)

First calculating slope(m)

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

= ( 0-2) / ( 9+5)

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= -1/7

Now The equation of line is given by 

y - y1 = m ( x - x1) 

y -2 = -1/7 (x + 5)

7( y - 2) = -1(x + 5)

7y - 14 = -x -5

x + 7y -14 +5 = 0

x + 7y - 9 = 0 

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3 years ago