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irina [24]
3 years ago
13

Simplify the following expression by combining like terms 2x+7x^2-5x+8x^2

Mathematics
1 answer:
olga2289 [7]3 years ago
3 0

Answer:15x^2-3x

Step-by-step explanation:

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3x + y = 6<br> What is the answer in standard form
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Step-by-step explanation:

The standard of a linear equation is Ax +By = CAx +By =C. rewrite the equation with the slides flippy. 3x +6 = y3 x + 6= y

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Please help asap!<br><br><br> thank you
Cerrena [4.2K]

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Step-by-step explanation:

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A line passes through (1,-1) and (3,5) . What is the equation of the line in slope-intercept form?
Mumz [18]

(1,-1) and (3,5)

Find slope first

y=mx+b

slope is also m

b is y-intercept

slope = y2-y1/x2-x1

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5-(-1)/(3)-(1)

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y=3x+b

use (1,-1) into y=3x+b ( using substitution method)

-1=3(1)+b

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Move 3 to the other side

Sign changes from +3 to -3

-1-3+3-3+b

b=-4

Answer: C.) Y = 3x-4

3 0
3 years ago
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Johans age is given by the polynomial x^2-3x+7. Bret is younger and his age given by the polynomial x^2-x+1. What is the differe
yuradex [85]
(x^2-3x+7)-(x^2-x+1) = -2x+6
5 0
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Erica babysits for 4 ½ hours and is paid $27. How much does she make for 8 hours?
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Answer: $216

Step-by-step explanation:

Hope it helped

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