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11Alexandr11 [23.1K]
3 years ago
7

PLEASE HELP ASAP !!!

Mathematics
1 answer:
aksik [14]3 years ago
7 0

Answer:

C

Step-by-step explanation:

The actual answer is 8x^2 - 8x - 13

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The length of a rectangle is 3 inches longer than its width. If the perimeter of the rectangle is 54 inches, find it’s length an
dangina [55]

Answer: Length = 15, Width = 12

Step-by-step explanation:

L = length

W = width

L = W+ 3

perimeter = 2L + 2W

54 = 2(W+3) + 2W

54 = 2W + 6 + 2W

54 = 4W + 6

54 - 6 = 4W

48 = 4W

W = \frac{48}{4}

W = 12

now to find the length, plug the width into the equation L = W + 3

length:

L = W+3

L=12 +3

L = 15

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y intercept = 5

Step-by-step explanation:

In analytic geometry, using the common convention that the horizontal axis represents a variable x and the vertical axis represents a variable y, a y-intercept or vertical intercept is a point where the graph of a function or relation intersects the y-axis of the coordinate system. As such, these points satisfy x = 0.

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3 years ago
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The capital of Australia was located
IrinaK [193]
It was located in Canberra
7 0
3 years ago
89x1230x780<br> A.85386600<br> B.7<br> C.2<br> D,89
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Answer:

A

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2 years ago
EQUATION 10y=80. yes or no. ​
Darya [45]

Answer:

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                                           10*y-(80)=0

 Pull out like factors :

                                10y - 80  =   10 • (y - 8)

           Solve :    10   =  0

This equation has no solution.

A a non-zero constant never equals zero.

  Solve  :    y-8 = 0  

Add  8  to both sides of the equation :  

                     y = 8

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