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sveticcg [70]
3 years ago
13

5m - n + 7 - 4m +6n help

Mathematics
1 answer:
makvit [3.9K]3 years ago
4 0

Answer:

m+5n+7

Step-by-step explanation:

5m-n+7-4m+6n

=5m-4m-n+6n+7

=m+5n+7

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A forester planted 3 acres in seedlings the first day, 5 acres the second day, and
Yanka [14]

Answer:

9 acres remain

Step-by-step explanation:

First day:

3 acres

Second day:

5 acres were planted. 5 + 3 = 8

Third day:

4 acres were planted. 4 + 8 = 12

If 3 acres were destroyed, we just subtract!

12 - 3 = 9.

9 acres of seedlings remain.

I hope this helped! :)

6 0
3 years ago
Find the next three numbers in the pattern.<br> 5, 10, 20, 40,<br> Would I add or multiply?
gavmur [86]

Answer:

firstly you know the term of multiplication

like 5*2=10 ,10*2=20, 20*2 =40 and 40*2 =80

and last three numbers are 80, 160,320

4 0
2 years ago
Read 2 more answers
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KatRina [158]

Answer:

ok

Step-by-step explanation:

3 0
3 years ago
Johnny invested $1000 in savings account that yields 2% interest annually. How much will Johnny's investment be worth in 10 year
Ann [662]
Calculate the interest in a year
Multiply the annual percentage of interest by the investment to find the interest.
interest in a year = 2% × 1,000
interest in a year = 0.02 × 1,000
interest in a year = 20
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Multiply the annual interest by 10
interest 10 years = 20 × 10
interest 10 years = 200
The sum of interest after 10 years is $200

Find total investment
investment = first investment + interest in 10 years
investment = 1,000 + 200
investment = 1,200

The investment will be worth $1,200 in 10 years
4 0
3 years ago
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