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Ronch [10]
2 years ago
6

Could someone please help me with this problem?

Mathematics
1 answer:
Eddi Din [679]2 years ago
7 0

Answer:

3x+4(3x−5)=25

Use the distributive property to multiply 4 by 3x−5.

3x+12x−20=25

Combine 3x and 12x to get 15x.

15x−20=25

Add 20 to both sides.

15x=25+20

Add 25 and 20 to get 45.

15x=45

Divide both sides by 15.

x= 45/15

Divide 45 by 15 to get 3.

x=3

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32 feet of fence

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8 0
3 years ago
A dog won a race at the local fair by running 3 and one fourth miles in exactly 2 hours. At this constant​ rate, how long does i
Novosadov [1.4K]

Answer:

\frac{4}{5} hour

Step-by-step explanation:

Let x represent time taken by dog to run the 1 and three tenths ​-mile state fair​ race.

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We will equate both speeds as:

\frac{1\frac{3}{10}}{x}=\frac{3\frac{1}{4}}{2}

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Cross multiply:

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Therefore, it will take \frac{4}{5} hour to complete 1\frac{3}{10} mile state fair​ race.

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