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den301095 [7]
3 years ago
14

Combine like terms to write an equivalent expression for 9y−7y.

Mathematics
1 answer:
Vitek1552 [10]3 years ago
6 0

Answer:

2y

Step-by-step explanation:

We\ are\ given:\\9y-7y\\We\ observe\ that\ the\ terms\ 9y\ and\ -7y\ share\ a\ same\ algaebraic\ co-\\ effecient\ due\ to\ which\ they\ are\ like\ terms.\\Hence,\\9-7y\\=9y+(-7y)\\By\ applying\ distributive\ property\ of\ addition:\\9y+(-7y)=(9+(-7))y=2y

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2(n-9) = 3(n + 5)
2n - 18 = 3n + 15
2n - 3n = 15 + 18
-n = 33
n = -33
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What is the simplest form of ^4√324x^6y^8
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Step-by-step explanation:

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What’s the answer to this please? Thanks!
Serjik [45]

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70

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3 years ago
Ava and Addison are saving for a new cell phone. Ava is starting with $100 and adding $5 each week. Addison is starting with $20
diamong [38]

Answer:

it takes 90 weeks for them to have the same amount of money saved which would be 600 dollars

Step-by-step explanation:

100 Addison                                                         200 Ava

1. 10 weeks= $50                                       1. 10 weeks= $40

2. 10 weeks= $50                                      2. 10 weeks= $40

3. 10 weeks= $50                                      3.  10 weeks= $40

4. 10 weeks= $50                                      4. 10 weeks= $40

5. 10 weeks= $50                                      5. 10 weeks= $40

6. 10 weeks= $50                                      6. 10 weeks= $40

7. 10 weeks= $50                                       7. 10 weeks= $40

8. 10 weeks= $50                                       8. 10 weeks= $40

9. 10 weeks= $50                                       9. 10 weeks= $40

Equals $600                                                     Equals $600

Hope this helps took me some time!

6 0
3 years ago
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