3 years ago

-4

Mathematics

1 answer:

zavuch27 [327]3 years ago

8 0

Is this even a question

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3x+7=8x+7<br><br> a. infinite solutions<br> b. one solution<br> c. no solution

kykrilka [37]

Answer:

The above has one solution

Hope this helps

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3 years ago

NEED HELP FAST PLEASE!

umka21 [38]

The answers are and i just took the test for this and it was right so the answers are A. The graph is a straight line, and C. The line passes through the point (0,-2). Glad to help you!! :)

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ANSWER THIS PLEASE !!!!!!

Korolek [52]

Answer:

Step-by-step explanation:

Becuase 68 is closer to c than b

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What time will it be 15 minutes later? Times:9:17 and 4:52 Please help good luck

GaryK [48]

9:17 = 9:32
4:52 = 5:07

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3 years ago

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Ginger wants to fill her new swimming pool. She has two pumps; the larger pump takes 40 minutes to fill the pool, and the smalle

Talja [164]

As per the problem,

The larger pump takes 40 minutes to fill the pool.

The smaller one takes 60 minutes.

When both the pumps are working , let the time taken be x minutes , then we can write

$\frac{1}{x}=\frac{1}{40}+\frac{1}{60}\\ \\ \text{Make the denominator equal we get}\\ \\ \frac{1}{x}=\frac{1}{40}*\frac{60}{60}+\frac{1}{60}*\frac{40}{40}\\ \\ \frac{1}{x}=\frac{60}{2400}+\frac{40}{24000}\\ \\ \text{Simplify we get}\\ \\ \frac{1}{x}=\frac{60+40}{2400}\\ \\ \frac{1}{x}=\frac{100}{2400}\\ \\ \frac{1}{x}=\frac{1}{24}\\ \\ x=24\\$

Hence, when both the pumps works together, Time taken =24 minutes.

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3 years ago

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