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Luda [366]
3 years ago
13

39. Which phrase is represented by 2(9-n)+3 ?

Mathematics
2 answers:
Leona [35]3 years ago
7 0

Answer:

B

Step-by-step explanation:

It correctly describes it

Airida [17]3 years ago
6 0

Answer:

B!!

Step-by-step explanation:

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When solving a system of linear equations, try to algebraically form one equation that has only one variable.
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Brainliest to the correct answer, but answer ASAP
Lyrx [107]

Answer:

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2 years ago
Why doesn't the existence of a correlation always indicate a cause and effect relationship?
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4 0
3 years ago
Juan takes 15 hours to do a job that his father can do in 6 hours. If juan works for 4.5 hours before his father joins him, how
ad-work [718]
Work it exactly like the other one with Wilda and Karla.

Juan takes 15 hours to do a job ... he does 1/15 of it in an hour.
His father can do it in 6 hours ... he does 1/6 of it in an hour.

Juan works alone for 4.5 hours.  In that time, he does  4.5/15 = 0.3
of the job.  When his father joins him, there's only 0.7 of it to finish.

Working together, they do (1/15 + 1/6) = (2/30 + 5/30) = 7/30 of the job
each hour.

How many times do they have to do  7/30  of the job in order to finish
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Then they can knock off while it's still daylight, and go for a swim.
3 0
3 years ago
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