4 years ago

A rectangle is 3 feet longer than it is wide . if the perimeter is 30 feet , find the area in square feet .

1 answer:

5 0

Answer:

Hey

Step-by-step explanation:

I beleve you answer is 10 because 3 time 10 equals 30 and the question sais "3 times longer"

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dusya [7]

Answer:

Step-by-step explanation:

the buyer will get some amount of money left while the seller gets profit as well

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3 years ago

8_murik_8 [283]

Correct answer is A.

$\frac{5}{2x} = \frac{25}{4} 
\\
\\2x\times 25=5\times 4
\\50x=20
\\
\\x= \frac{20}{50}= \frac{2}{5}$

8 0

3 years ago

Sergio039 [100]

Answer:

The answer is (-3,7/2)

Step-by-step explanation:

$2 {x}^{2} - x - 21 = 0 \\ (2x - 7)(x + 3) = 0 \\ 2x - 7 = 0 \: \: \: or \: \: x + 3 = 0 \\ x = \frac{7}{2} \: \: and \: x = - 3$

I am a math teacher If you need any explanation you can communicate with me on Whats on this number +201557831028

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3 years ago

irakobra [83]

Answer:

It would be $870 because you have to add 315+555=870

6 0

4 years ago

marissa [1.9K]

12.56+12.69 = 12.60 + 12.70 = 25.30

answer

A. about $25.30

5 0

4 years ago