5/30+4/6
5/30=1/6
1/6+4/6=5/6
5/6
Hope I helped!
Answer:
cos 90°
Step-by-step explanation:
(cos 60°)(cos 30°) − (sin 60°)(sin 30°)
= cos ( 60° + 30°)
= cos 90°
Answer:
A good estimate for the slope is 95/60
Step-by-step explanation:
The formula to calculate the slope between two points is equal to

From the graph take the points
(0,0) and (80,125)
substitute


simplify

Multiply by 3.75 both numerator and denominator



therefore
A good estimate for the slope is 95/60