1. the answer is B
2. the answer is D
4. the answer is B
5. the answer is A
replace 15 for t in the equation
V915) = 20 + 7 cos(15) = 26.76148078 feet per second
26.76148078 x 15 = 401.4222118 feet
round off to 401.42 feet
And you know how much you are going through the relationship with your friends you are so happy and
Answer:
v×w = -6i-12
Step-by-step explanation:
hello :
Let v=-3i and w=2 - 4i.
v×w = -3i(2-4i) = -6i+12i² = -6i-12 ... i² = -1