I NEED HELP ASAP 6 cm The bottom part of this block is a rectangular prism. The top part is a square
pyramid. You want to cover the block entirely with paper. How much paper do you
need? Use pencil and paper to explain your reasoning.
6 cm
7 cm
7 cm
(The figure is not to scale.)
You need
cm2 of paper.
X
:
1
.
vo
Vi
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)