Answer:
A
Step-by-step explanation:
follow the pattern in its timetables,hope this helps u!
Answer:
the lines are perpendicular
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Answer:
-11/2
Step-by-step explanation:
Put the numbers into the expression and do the arithmetic.
![11(-1)^{-3}2^{-1}=\dfrac{11}{(-1)^3}\cdot\dfrac{1}{2^1}=\dfrac{-11}{2}](https://tex.z-dn.net/?f=11%28-1%29%5E%7B-3%7D2%5E%7B-1%7D%3D%5Cdfrac%7B11%7D%7B%28-1%29%5E3%7D%5Ccdot%5Cdfrac%7B1%7D%7B2%5E1%7D%3D%5Cdfrac%7B-11%7D%7B2%7D)
The cross section is a rectangle, because the shadowed area shows a right angle on all four sides.