N=0
2(0)<6
0<6
n=1
2(1)<6
2<6
n=2
2(2)<6
4<6
Cos^-1 (40/76) so the answer is D
1,2,3
all would give negative results
-- When Riko left the house, Yuto was 5.25 miles ahead of her.
-- From the time she left the house, she gained (0.35 - 0.25) = 0.1 mile on Yuto
every minute ... closing the gap at the rate of 0.1 mile per minute.
-- If she can keep it up, she'll close the gap in (5.25 / 0.1) = 52.5 minutes.
-- Riko is behind her brother when 0 ≤ t < 52.5 minutes .
Answer:
x=-4
Step-by-step explanation:
5+4x=-11
4x=-11-5
4x=-16
x=-16/4
x=-4
5+4(-4)=-11
5-16=-11
-11=-11
