Question 1185820
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3. The volume 1008 is length * width * height:<br>
{{{1008=(x)(x)(x+5)}}}<br>
ANSWER: B<br>
4.<br>
{{{x^3+5x^2=1008}}}
{{{x^3+5x^2-1008=0}}}<br>
The equation does not factor.  Solve for x using some numerical method like Newton's method, or using a graphing calculator.<br>
ANSWER: to 3 decimal places, the height x+5 is 8.607+5 = 13.607<br>
5.<br>
ANSWERS:
height 13.607
length and width 8.607<br>
CHECK: (8.607)(8.607)(13.607) = 1800 (rounded)<br>