3 years ago

(9g+7)+(3g+6) what is the awnser simplify

Mathematics

2 answers:

dolphi86 [110]3 years ago

8 0

Answer:

12g+13 can I have brain lest...

liq [111]3 years ago

7 0

Answer:

12g+13

Step-by-step explanation:

(9g+7)+(3g+6) (rewrite and remove the parentheses)

9g+7+3g+6 (collect the like terms and calculate)

solution: 12g+13

hope this helps!

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Let x represent Holly's score on 7th math quiz.

We have been given that the mean of Holly's first six math quiz scores was 75%. This means that the average on 1st 6 math quizzes is 75.

To find the total scores on 1st 6 math quizzes, we will multiply 75 by 6 that is $75\times 6 =450$ .

We will use average formula to find test scores on 7th math quiz.

$\text{Average of 7 math quizzes}=\frac{\text{Sum of scores on 7 math quizzes}}{\text{7 quizzes}}$

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Let us solve for x.

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