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sattari [20]
2 years ago
11

Pls help me I'm in neeeeed :(​

Mathematics
1 answer:
-BARSIC- [3]2 years ago
7 0

Answer:

x = 30

Step-by-step explanation:

x+2x= 90-------> 3x=90

Divide by 3

x= 30

Hope this helps! Pls mark brainliest if correct:)

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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:
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= \dfrac{9}{450} + \dfrac{10}{450} \text{(equalize the denominator)}
=\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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3 years ago
When somebody tells there friend there da best does that mean they think that they’re better then anyone else???
Otrada [13]

Answer:

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3 years ago
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Oliga [24]
\text{Graph for} \ 4x - 3y = 12 


3 0
3 years ago
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Can you help me please?
MrRa [10]

Answer:

B.

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8 0
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vazorg [7]

Answer:

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