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Arisa [49]
2 years ago
7

Please help me solve this problem

Mathematics
1 answer:
Minchanka [31]2 years ago
8 0

Answer:

-4

they wanted you to compute using x as 3

-2*3 + 2 = -4

Step-by-step explanation:

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The answer for this question when grouping:

(x+2)(3x^2+1)
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u^2/11v

Step-by-step explanation:

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8 0
2 years ago
Two mechanics worked on a car. The first mechanic charged $95  per hour, and the second mechanic charged $60  per hour. The mech
Yanka [14]

Answer:

<em>Mechanic A worked for 5 hours</em> and <em>Mechanic B worked for 15 hours</em>

I hope my answer and explanation helped!

<u>okay to get started you need to make a system of equations:</u>

x= number of hours worked by mechanic A

y= number of hours worked by mechanic B

x + y= 20

95x + 60y= 1375

<u>substitute in an equation:</u>

x + y= 20

y= 20- x

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<u>Solve for x</u>

95x + 1200 - 60x=1375

35x =175

x= 5

<u>plug in x to solve for y</u>

x + y= 20

5 + y= 20

y=15

<u>Check work</u>

then you're done :D

3 0
3 years ago
PLEASE HELP ASAP !! ALGEBRA!
Vikki [24]

Formula

(X2-X1)/(Y2-Y1)

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7 0
3 years ago
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OLga [1]

Answer:

hope this helps

Step-by-step explanation:

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5 0
3 years ago
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