2 years ago

Please help !!!! for 45 POINTS

1 answer:

3 0

Two sides are: x+2 and x+4
(x+2)(x+4) = x² + 6x + 8

volume = 2x³ + 17x² + 46x + 40

third side = (2x³ + 17x² + 46x + 40) ÷ (x² + 6x + 8) = 2x + 5

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Explanation:

The formula for combination is given as follows:

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Where n = 11

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Plug in the values in equation (1) and calculate:

$^nC_r = \frac{n!}{r! (n-r)!} \\ ^{11}C_{4} = \frac{11!}{4! (11-4)!} \\ ^{11}C_{4} = \frac{11*10*9*8*(7!)}{4! (7)!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4*3*2*1} \\ ^{11}C_{4} = 330 \\$

Hence the correct answer is 330.

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