2 years ago

Its 6 ya'll if you think it no it 6

1 answer:

7 0

Answer:

HUH? What do you mean about that?

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IceJOKER [234]

Answer:

Ok so im in 7thgrade so ima try to help answer is x= 8x9

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3 years ago

Mrac [35]

Answer:

please use a picture or something so i can help

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3 years ago

Rasek [7]

Answer and Step-by-Step explaination:

Area =Length time Width

Area= 21*21

Area=441

6 0

3 years ago

ra1l [238]

Answer: $12\ \text{min}$

Step-by-step explanation:

Given

It takes 20 min and 30 min for a person and his friend to paint a wall individually i.e.

In 1 min they cover $\frac{1}{20}$ part and $\frac{1}{30}$ part of wall respectively.

If the work together, 1 minute work is

$\Rightarrow \dfrac{1}{20}+\dfrac{1}{30}\\\\\Rightarrow \dfrac{3+2}{60}\\\\\Rightarrow \dfrac{5}{60}$

Time required will be reciprocal of it

$\Rightarrow \dfrac{60}{5}=12\ \text{min}$

3 0

3 years ago

zzz [600]

The answer is 129 i hope this helps

5 0

3 years ago