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Ksivusya [100]
3 years ago
9

Who do I do this problem

Mathematics
1 answer:
Leviafan [203]3 years ago
3 0
You subtract 16 from each side of the equation.
Then it will say exactly what number 'n' is.
_______________________________________

The equation is                    n + 16 = 9

On the left side, you subtract 16 from (n + 16) and you have 'n'.

On the right side, you subtract 16 from 9 and you have  -7 .

Now the equation says          n      =  -7
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X^2 +6x+30 in vertex form
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Answer:

Step-by-step explanation:

Factoring  x2-6x-30

The first term is,  x2  its coefficient is  1 .

The middle term is,  -6x  its coefficient is  -6 .

The last term, "the constant", is  -30

Step-1 : Multiply the coefficient of the first term by the constant   1 • -30 = -30

Step-2 : Find two factors of  -30  whose sum equals the coefficient of the middle term, which is   -6 .

     -30    +    1    =    -29

     -15    +    2    =    -13

     -10    +    3    =    -7

     -6    +    5    =    -1

     -5    +    6    =    1

     -3    +    10    =    7

     -2    +    15    =    13

     -1    +    30    =    29

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Harlamova29_29 [7]

Answer:

d

Step-by-step explanation:

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8. Solve for the given variable in the following equations. (4 marks total)
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

subtract 120 and 5 from his starting total to get how much he has after all his purchases. Then add 50 to that total to get your answer.

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