3 years ago

The area of a rectangular prism is 38 1/4 square meters the width of the garden is 4 1/2 meters find the length of the garden

2 answers:

5 0

Well the answer is 8 1/2 because 38 1/4 as a decimal is 38.25 and 4 1/2 as decimal is 4.5 do if you 38.25/4.5= 8.2 as a fraction it would be 8 1/2

bagirrra123 [75]3 years ago

3 0

It's 3/5 because of the lenghth

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X = -2y + 300 3y = 800 - 4x

devlian [24]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}x=-2y+300&(1)\\3y=800-4x&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\3y=800-4(-2y+300)\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\3y=800+(-4)(-2y)+(-4)(300)\\\\3y=800+8y-1200\\\\3y=8y-400\qquad\text{subtract}\ 8y\ \text{from both sides}\\\\-5y=-400\qquad\text{divide both sides by (-5)}\\\\y=80\\\\\text{Put it to (1):}\\\\x=-2(80)+300\\\\x=-160+300\\\\x=140$