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tatiyna
2 years ago
10

What is the shortest board a man must buy in order to cut 3 sections from it, each 4 feet 8 inches long?

Mathematics
1 answer:
kakasveta [241]2 years ago
7 0

Convert the mixed number to inches. 3 feet 8 inches = 44 inches (12 inches per foot x 3 feet= 36 inches + 8 inches= 44 inches). 44 inches (length each section needs to be) x 4 (number of sections needed)=176 inches (total molding needed). To determine the amount of molding needed in feet, convert 176 inches into feet by dividing 176 inches by 12 inches. You get 14 2/3 feet, so the shortest board length is 15 feet.

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4 0
3 years ago
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7 0
2 years ago
What is the solution to the system of equations? Use the substitution method. {y=2x+43x−6y=3
garri49 [273]
We have that
<span>y=2x+4--------> equation 1
3x−6y=3-------> equation 2

step 1
</span>I substitute the value of y in equation 1 for the value of y in equation 2<span>
so
</span>3x−6*[2x+4]=3-------> 3x-12x-24=3
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step 2
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the answer is 
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x=-3
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5 0
3 years ago
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