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r-ruslan [8.4K]
3 years ago
9

Find the volume ofthe prism7.8.crn1을ft3 ftcm41-41981312ran

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0
Convert to impropoer then multiply
3 and 1/2=7/2
2 and 1/4=9/4
1 and 1/3=4/3

7/2 times 9/4 times 4/3=(7*9*4)/(2*4*3)=252/24=21/2=10 and 1/2 ft^3
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If 2a + 7b+2c=16 and 2a + 3b +2c= 8, then b = ?<br> (A)-2<br> (B) O<br> (C) 2<br> (D) 4<br> (E) 6
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Step-by-step explanation:

Given equations 2a + 7b+2c=16 and 2a + 3b +2c= 8, you want to know the value of b.

<h3>Solution</h3>

The coefficients of 'a' and 'c' are the same in the two equations, so we can eliminate those variables by subtracting one equation from the other. We can keep the resulting coefficient of 'b' positive if we subtract the second equation from the first.

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8090 [49]

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