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Fantom [35]
3 years ago
13

HELP please!!!!! I'm honestly dying I hate math

Mathematics
1 answer:
Sveta_85 [38]3 years ago
3 0
2) 100
3) 49
4) 19
5) idk
6) idk
7) 7
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3 years ago
Can you help me solve systems of equations by elimination step by step<br> 6x+y=15<br> -7x-2y=-10
Anna71 [15]

Answer:   (4, -9)

<u>Step-by-step explanation:</u>

Use elimination method.  Manipulate one (or both) equations to eliminate one of the variables and solve for the remaining variable.  <em>I will be eliminating y</em>

6x +  y =  15    → 2(6x +  y =  15)   →   12x + 2y = 30

-7x - 2y = -10   → 1(-7x + 2y = -10)   →  <u> -7x - 2y = -10</u>

                                                             5x        = 20

                                                               x         =  4

Next, replace "x" with "4" into either equation and solve for y.

6(4) + y = 15

24  + y = 15

         y  = -9


<u>Check:</u>

Plug in x = 4 and y = -9 into the other equation to verify it makes a true statement.

-7x - 2y = -10

-7(4) - 2(-9) = -10

-28  -   -18  = -10

-28  +  18 = -10

       -10    =  -10  \checkmark

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3 years ago
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elena-14-01-66 [18.8K]

Answer:

D

Step-by-step explanation:

because youe last number is 90

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The answer should be C
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he end of a baseball game, the players were given the choice of having a bottle of water or a box of juice. Of all of the player
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12 is 3/4 of what number? You need to divide by the top and multiply by the bottom. 12 divided by 3 is 4, and 4 times 4 is 16.

6 0
3 years ago
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