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Zinaida [17]
3 years ago
10

Please help quick! It is due in 20 min! Please help!

Mathematics
1 answer:
Korvikt [17]3 years ago
3 0

Answer:

Step-by-step explanation:

1. (a + b) (a - b)

2. 2

3. 4.5 or 4\frac{1}{2} or \frac{9}{2} or if u wanna round up then 5

hope this helps :)

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tatiyna

See the attached files

<h2>Explanation:</h2>

Here we have the following inequality:

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3 years ago
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Answer:

The plumber worked for 1.5 hours

Step-by-step explanation:

y = 130 + 56x

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214 = 130 + 56x

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2 years ago
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Answer:

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Step-by-step explanation:

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