The answer is C.
-k just means the opposite of the k values
Answer:
6.7
Step-by-step explanation:
20.5-8=12.5 so
14.7-8=6.7
Answer:
x = -9
Step-by-step explanation:
3×( -3 ) + 4 gives -9 + 4 = 5 hence proved
Answer:
B. 84.46°
Step-by-step explanation:
Since the vectors are at right angles to one another, even a crude diagram will quickly show you that the direction of the sum is ...
30° + arctan(7/5) ≈ 84.4623° ≈ 84.46°