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Maksim231197 [3]
3 years ago
9

PLEASE NO TROLLS I REALLY NEED HELP

Mathematics
1 answer:
Sergio [31]3 years ago
4 0
3x-11+6x+2=180 (bc it’s a line) so x is 21
when u insert x=21, a is 52
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Which of the following is a correct interpretation of the expression -7- (-11)?
Brilliant_brown [7]

Answer:

B. Start at -7 on the number line and move 11 to the right.

Step-by-step explanation:

<u>Given:</u>

  • - 7 - (-11) expression

We can add or remove only positive numbers on the number line to get it  correct, so we need to open the parenthesis. When evaluated we get:

-7- (-11) = - 7 + 11 = 4

<u>Correct interpretation of of this expression is:</u>

  • Start at -7 and add 11, thus move 11 points to the right, to get 4 as final point.

<u>Correct choice is:</u>

  • B. Start at -7 on the number line and move 11 to the right.

6 0
3 years ago
Y=6x+20 substitution​
Oksana_A [137]

Answer:

-10/3 or -3.33

Step-by-step explanation:

substitute 0 for y

0 = 6x + 20  

-20 = 6x + 20 - 20               subtract 20 on both sides  

-20 = 6x                               divide by 6 on each side

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x = -20/6                             simplify

x =   -10/3

8 0
4 years ago
12(6k+3)+4(7-5k) the distributive property simply each expression
hodyreva [135]
The distributive property: a(b + c) = ab + ac

12(6k + 3) + 4(7 - 5k) = 12(6k) + 12(3) + 4(7) + 4(-5k)

= 72k + 36 + 28 - 20k = 52k + 64
5 0
3 years ago
Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth 5x+2y=7
Igoryamba
I got a 2 fractions for the answer the first is 12/17 and the second is 59/34 
7 0
4 years ago
Read 2 more answers
PLZ PLZ PLZ PLZ PLZ HELPPP
lutik1710 [3]
180 I think I’m not sure
7 0
3 years ago
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