Determine whether the vectors v and w are orthogonal.v = 2i - 6j, w = -6i + 2j
A. Not orthogonal
B. Orthogonal
Answer: A
Mathematics
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Establish the identity.
- 
= - cos v cot v
What will be an ideal response?
Mathematics
Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.(-3)-1
A. -3
B. 3
C. 
D. - 
Mathematics
Complete.2.1 m = 
in. (Round to the nearest tenth.)
A. 2.3 B. 75.6 C. 5.3 D. 82.7
Mathematics
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 18 ft. Find the length of the ladder if the length is 6 ft more than its distance from the wall.
A. 30 ft B. 18 ft C. 24 ft D. 36 ft
Mathematics