A small cup is 2 inches high. When stacked, each cup adds 3/32 inch to the height of the stack. How many cups are in a stack tha
2 answers:
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Answer:
I believe the answer is C. 90 degrees
Step-by-step explanation:
First you find the lengths of the two vectors, which are both . Then you find the angle given the cos using: cos(∅)=
=
= 0. Then using ∅=acos(0)=
= 90°