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marshall27 [118]

3 years ago

12

A carpenter is building a rectangular fence for a playground. One side of the playground is the wall of a building 70 ft. wide.

He plans to use 340 feet of fencing maerial what is the length of the playground if the width is 70ft

1 answer:

tangare [24]3 years ago

8 0

Answer:

sorry , but where is the question?

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Step-by-step explanation:

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nataly862011 [7]

The given system of equation is

$-9x+2y=-1..........(1)\\ \\ 18x-7y=17...........(2)\\ \\ \text{To solve the system of equation by elimination, multiply the first equation by 2 }\\ \text{and thereafter add equation 1 and 2 together we get }\\ \\ -18x+4y=-2\\ 18x-7y=17\\ ------\\ -3y=15\\ ------\\ \\ y=-5\\ \text{Now substitute the value of y in equation 1 we get }\\ \\ -9x-10=-1\\ \\ -9x=-1+10\\ \\ -9x=9\\ \\ x=-1\\ \\ \text{Hence the solution to the given system of equation is }\\ \\ x=-1, y=-5\\$

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3 years ago

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WHat is the answer to this?

frez [133]

Answer:

0.9

Step-by-step explanation:

First, convert them all into fractions:

$2\frac{1}{3}=\frac{7}{3}$

$.5=\frac{1}{2}$

Now, we have:

$\frac{4x+9}{\frac{7}{3} } =\frac{3x}{\frac{1}{2} }$

Cross multiply:

$\frac{1}{2} (4x+9)=\frac{7}{3} (3x)$

On the left, distribute. On the right, notice that the 3 in the denominator and the coefficient 3 cancel:

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Sophie [7]

This answer is 5/24 because you can cross multiply then subtract 10

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3 years ago