What is -7nx+2nx+2n+7x equal to

Answers

Answer 1

Answer: -7nx + 2nx + 2n + 7x ...combine like terms
-5nx + 2n + 7x

Answer 2

Answer: 5nx+2n+7x which is combined like terms all you do is cut the problem down.

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4+1=5 2+5=12 3+6=21 8+11=?

Answers

most of these are wrong....?
4+1=5
2+5 is not 12, it is 7
3+6 is not 21, it is 9
8+11= 19

4+1=5+2+5=12+3+6=21+8+11= Total =40

Add or Subtract to Simplify:
(4x2+ x) - (x2+ 2x)

Answers

Answer:

9x-4x exponent 2

Step-by-step explanation:

8x+x-4x ex2

9x-4x ex2

I need 15. please its my last question and fast

Answers

Answer: X(to the power of 0) over 3(to the power of 2)

Explanation: It is equal to 1/9

a car rents for $30 per day plus 19 cents per mile. you are on a daily budget of $87 what mileage will allow you to stay within your budget (solution {m/≤_miles)

Answers

$\boxed{y=30+0.19x}\n \n y=87\n \n 30+0.19x=87\n \n 0.19x=57\n \n x=(57)/(0.19)\n \n x=300 \ miles$

Jeremy is opening a savings account earning simple interest. He plans to deposit his $50 birthday money and leave the account alone until he goes to college. He will earn $5 per year in interest.