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olga2289 [7]
3 years ago
14

What is the answer when subtracting (-3y2-8)-(5y2+1)?

Mathematics
1 answer:
Alona [7]3 years ago
3 0

You have to distribute the minus sign to the second parenthesis, changing the sign of every term:

-3y^2-8-(5y^2+1) = -3y^2-8-5y^2-1 = -8y^2-9

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Which of the following terms correctly describes 4 : 1? A- Ratio B- Fraction C-Percent D- Factor
kvv77 [185]

Sabrehalrubeai,

In order to find the correct answer to this question we need to go over all of the options to see which one is the correct answer.

  • Ratio: 6 : 9 <---- Your answer....
  • Fraction: \frac{6}{9}
  • Percent: 35%
  • Factor: 4 \times 3 = 12

Therefore your answer is option A "ratio."

Hope this helps!

6 0
3 years ago
Please help!!!!<br>ignore the writing -_-​
marissa [1.9K]

Answer:

Haha once again 1200 and 8.5 are the answers

5 0
2 years ago
Please thanks please please thanks
monitta

Answer:

72 hope this helps you!?!?!!?

7 0
3 years ago
What is 7a+21=56 and what is the solution
asambeis [7]
7a+21=56

Begin by subtracting 21 on both sides:
21-21=0 so the 21 in the left cancels, then 56-21=35

Your new equation will be
7a=35

Finally, divide by 7 on both sides:
7/7=1 and 35/7=5

your answer will be
a=5
7 0
3 years ago
Read 2 more answers
Michael has finished 25% of an art project that has taken him a total of 4 hours so far. If he continues to work at the same rat
guapka [62]
It will take him 16 hours because 25 is 1/4 of 100% so 4 times 4 is 16. So 16 is your answer :)
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