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Hatshy [7]
2 years ago
13

8th GRADE MATH

Mathematics
2 answers:
MrRa [10]2 years ago
4 0

Answer:

It's C

Step-by-step explanation:

sorry if I'm wrong:) but thx

Julli [10]2 years ago
3 0

Answer:

i think its C. sorry if its incorrect

Step-by-step explanation:

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How do you solve 2(x+7)+x=20
alexira [117]
2(x+7) + x=20
(2)(x) + (2)(7) + x=20  Distribute 
2x+14 + x =20
(2x+x) + (14) =20  Combine Like Terms 
3x+14=20 
    - 14  -14             Subtract 14 from both sides 
3x = 6 
3x/3 6/3                  Divide Both Sides by 3 
 
x = 2 


Let me know if you still don't understand 

4 0
3 years ago
-3x+3y=12<br> Y=x+4<br> Whats the soultion
lisov135 [29]

The system of equations has infinitely many solutions

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

-3x + 3y = 12 ------- eqn 1

y = x + 4 --------- eqn 2

We have to find the solution to the system of equations

We can use substitution method

Substitute eqn 2 in eqn 1

-3x + 3(x + 4) = 12

-3x + 3x + 12 = 12

-3x + 12 = -3x + 12

If we have terms with same terms on both sides of equal sign, then we have infinitely many solutions

Thus the system of equations has infinitely many solutions

5 0
3 years ago
Solve for y :<br> 0.5 = <br> y − 5<br> x<br> →0.5x = y − 5
Levart [38]

Answer:

The answer is 4

Step-by-step explanation:

3 0
3 years ago
Need help with this please
Sav [38]
Your going to have to use the distance formula for these questions which is the square root of (x sub 2 - x sub 1) + (y sub 2 - y sub 1). For number 1 your coordinates are (-5,5) and (1,-2). Substituting these values into the formula your answer for number 1 is 9.2.
4 0
3 years ago
Joe is building a fort for his little brother out of boxes. He is wondering how much room there will be inside the fort.
Levart [38]
The answer is 0.5m cubed.
8 0
2 years ago
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