3 years ago

Please help 11 points worth

Mathematics

2 answers:

DochEvi [55]3 years ago

6 0

Answer:

positive

cuz i just know :)

good luck

navik [9.2K]3 years ago

5 0

It’s definitely Positive

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Please help me simplify this equation!

vladimir1956 [14]

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4 years ago

Graphs which present the values on the horizontal axis and the number of times this occurs on the vertical axis are known as wha

Ivanshal [37]

Answer:

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3 years ago

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3 years ago

PLEASE HELP 17 points

Ksivusya [100]

Answer: I say B its a bit hard but i think i got it not sure but Good Luck!

Step-by-step explanation:

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3 years ago

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Manny can assemble a computer by himself in 50 minutes. Lucy does the same job in 45 minutes. How long will it take to assemble

jonny [76]

Manny can assemble a computer in 50 minutes. That means, in a minute Manny does $\frac{1}{50}$ job.

Lucy can assemble a computer in 45 minutes. That means, in a minute Lucy does $\frac{1}{45}$ job.

If they are working together, in a minute they will do:
$\dfrac{1}{50} + \dfrac{1}{45}$
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$=\dfrac{19}{450}$
In a minute they will do $\frac{19}{450}$ job

To finish the job they will do it in $\frac{450}{19}$ minutes or about 24 minutes.

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4 years ago