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Mamont248 [21]
3 years ago
13

Need help plssssss fast hurry plsss

Mathematics
2 answers:
Lilit [14]3 years ago
8 0

Answer: 150ft^2

Step-by-step explanation:

length: 7\frac{1}{2}in Convert to an improper fraction. \frac{7*2+1}{2}=\frac{15}{2}

width: 5 in

Formula: A=w*l

A=(5in)(\frac{15}{2}in)\\A=\frac{75}{2}in^2

Convert to ft. I assume your conversion factor is \frac{1}{2}in. : 1ft. However, the unit we need is squared. Square both sides.

(\frac{1}{2}in.)^2 : (1ft)^2

\frac{1}{4}in^2 : 1ft^2

Convert.

\frac{75}{2}in^2(\frac{1ft^2}{\frac{1}{4}in^2 } )=

Invert the fraction in the denominator and multiply it by the numerator.

\frac{75}{2}in^2*1ft^2*4in^-^2=75*2ft^2=150ft^2

Bond [772]3 years ago
5 0

Answer:

50 ft2

Step-by-step explanation:

im not sure if this is right but this is what i got when i worked it out

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