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SOVA2 [1]
3 years ago
8

HELP ASAP! I REALLY NEED IT!

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
4 0

Answer:

46 \frac{7}{8}  \: cubic \: feet

Step-by-step explanation:

\boxed{volume \: of \: prism = base \: area \:  \times height}

Base area= length ×width

Let's convert all the mixed numbers into improper fraction for easier calculation.

Width

= 7½

=  \frac{7(2)}{2}  +  \frac{1}{2}

=  \frac{14}{2}  +  \frac{1}{2}

=  \frac{15}{2} ft

Height

= 1¼

=  \frac{4}{4}  +  \frac{1}{4}

=  \frac{5}{4} ft

Volume of prism

= 5 \times  \frac{15}{2}  \times  \frac{5}{4}

=  \frac{375}{8}

= 46 \frac{7}{8}  \: ft {}^{3}

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