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3 years ago

A rectangular field has length 80m. What is its width if the perimeter is 240m?

Mathematics

2 answers:

-BARSIC- [3]3 years ago

7 0

The answer would be 40m

Naddika [18.5K]3 years ago

6 0

Answer:40m

Step-by-step explanation:

The solution is in the attached file

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Step-by-step explanation:

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3 years ago

Quick algebra 1 question for 50 points!

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2 years ago

Read 2 more answers

elena55 [62]

Answer:

option 3, 45

Step-by-step explanation:

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2 years ago

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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.

We have been given that a dog won a race at the local fair by running 3 and one fourth miles in exactly 2 hours.

We will use proportions to solve our given problem as:

$\text{Speed}=\frac{\text{Distance}}{\text{Time}}$

We will equate both speeds as:

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

$\frac{\frac{13}{10}}{x}=\frac{\frac{13}{4}}{2}$

$\frac{13}{10\cdot x}=\frac{13}{4\cdot 2}$

Cross multiply:

$13\cdot 10\cdot x=13\cdot 4\cdot 2$

$10\cdot x=4\cdot 2$

$\frac{10\cdot x}{10}=\frac{4\cdot 2}{10}$

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

7 0

3 years ago