$x-\ length\\\\
\frac{2}{3}x-\ width\\\\
Area=\ length*width\\\\
864=x*\frac{2}{3}x\\\\
864=\frac{2}{3}x^2\ \ \ | divide\ by\ \frac{2}{3}\\\\
864*\frac{3}{2}=x^2\\\\
432*3=x^2\\\\
1296=x^2\ \ \ | \sqrt{}\\\\
x=36ft\\\\
Length\ is \ equal\ to\ 36ft.$

8 0

4 years ago

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In 2012, the cost of 3 ounces of silver was $2,460. What was the cost for 1 ounce?

KonstantinChe [14]

Answer:

820 ounces

Step-by-step explanation:

$2,460 divided by 3 = 820 ounces

820 x 3 = $2,460

3 0

3 years ago

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Find the reciprocal of 5/7

Marina CMI [18]

Answer:

7/5

Step-by-step explanation:

reciprocal means flip the equation

7 0

3 years ago

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