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2 years ago

7

Solve four tenths plus four ninths.

2 answers:

Juliette [100K]2 years ago

7 0

Answer:

The answer is C

Step-by-step explanation:

4/10 and 4/9 do not have a common denominator so you have to find a common denominator the common denominator is 90 so then you have to find the new numerator 4/10 new fraction is 36/90 and the new fraction of 9/10 is 40/90 then you add them which you get your answer 76/90.

GaryK [48]2 years ago

3 0

Answer:

D

Step-by-step explanation:

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Kipish [7]

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Explanation:

12-3m-4-5/m=0
8-3m-5/m=0
(8-3m-5/m=0) * m
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8m-3m^2=5
m(8-3m)=5
m1=5
m2=> (8-3m)=5
3m=3
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