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yaroslaw [1]
3 years ago
13

Mia can clean her room in 1/4 the time it takes her older brother to clean his. Mia does the job in a half hour. How long does i

t take Mia's brother to do it?
Mathematics
1 answer:
3241004551 [841]3 years ago
3 0

Answer:

7.5 Minutes

Step-by-step explanation:

hope this helps

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Solve the inequality -8x - 10 &gt; 7x + 20.<br> OX-30<br> Ox&gt;-2<br> Ox&gt;-30<br> 0x&lt;-2
galina1969 [7]

Answer:

<h2>x < - 2</h2>

Step-by-step explanation:

-8x - 10 > 7x + 20

First subtract 7x from both sides of the inequality

That's

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<u>Add 10 to both sides of the inequality</u>

- 15x + 1 0 - 10 > 20 + 10 \\  - 15x > 30

<u>Divide both sides by - 15</u>

\frac{ - 15x}{ - 15}  >  -  \frac{30}{15}

Since the denominator is negative the sign will change

We have the final answer as

<h3>x < - 2</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
What's 0/0? <br>(Filler)<br>(Filler)<br>(Filler)
Helga [31]
This an undefined equation however it can be seen as 

0/0=1
OR
0/0=0
4 0
4 years ago
Read 2 more answers
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