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katen-ka-za [31]
3 years ago
9

Use the substitution method to solve the system of equations. Choose the

Mathematics
2 answers:
creativ13 [48]3 years ago
7 0
The answer is c !!!!!!!!!!!!!!!!!
BigorU [14]3 years ago
3 0

Answer:

C. (4,28)

Step-by-step explanation:

When y = 8x - 4 ; x = 4

when u substitute x in the equation

the value of y = 28

y = (8 x 4) - 4

= 32 - 4

= <u>2</u><u>8</u><u>.</u>

As coordinates it would be (x,y) = <u>( 4,28 )</u>

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Factor 16x^3+16x^2+3x
oee [108]

Answer:

x(4x + 3)(4x + 1).

Step-by-step explanation:

16x^3 + 16x^2 + 3x

First take out the x:

= x(16x^2 + 16x + 3)

= x(16x^2 + 4x + 12x + 3)

= x(4x(4x + 1) + 3(4x + 1))

= x(4x + 3)(4x + 1)  (answer).

8 0
3 years ago
Will give brainiest lol
maria [59]

Step-by-step explanation:

1  and 7/8, subtract 4 and 3/8 by 2 and 1/2.

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3 years ago
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(please zoom / zoom out if needed to see question. (: ) (Worth 10 Points Each)
damaskus [11]
Area of the first one is has a area of 162
the second one has a area of 189
the third one has an area of 162
the fourth one has a area of 12
4 0
3 years ago
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HELP WILL NAME BRAINLIEST
bezimeni [28]
First, you must find the width of GHJK. Since the area of it is 84m², divide 84 by 7.
84÷7=12
So the width of GHJK is 12m.
Next, find the scale of GHJK to LMNP. Since the height of both are already available, you can divide 21÷7 to get 3
This means that to get the width of LMNP you must multiply the width of GHJK by 3.
12×3=36.
Now, to get the area of LMNP, multiply 21 by 36.

21×36=756

So, the area of LMNP is 756m². (Don't forget the units!>
5 0
2 years ago
Given the points A(3, 1), B(6, y) and C(12, -2) find the value(s) of y if…
Musya8 [376]

Answer:

B. The lines AB and BC are perpendicular.

Step-by-step explanation:

If all the points are doubled on the x-axis, they are perpendicular.

hope this helps.

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2 years ago
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