15/20
Figure out what number to use for simplify
Which is 5
Divide the numerator and denominator by 5
15/5=3
20/5=4
Answer:3/4
The angle of depression from D to F measures 40°. If DE = 100 m, find DF. Round your answer to the nearest tenth.
2 I think sorry if I'm wrong.
Against the wind:
distance = 3400 km
time = 5 hr.
rate = d/t = 3400/5 = 680 km/hr
With the wind:
distance = 3400 km
time = 4 hr
rate = d/t = 3400/4 = 850 km/hr
Equations:
plane speed - wind speed = 680 km/hr
plane speed + wind speed = 850 km/hr
2(plane speed) = 1530
plane speed = 765 km/hr
Substitute and solve for "wind speed":
765 + wind speed = 850
wind speed = 85 km/hr
Did you follow?
Answer:
80% increase
Step-by-step explanation:
let the given fraction
numerator=
denominator=
Given
- numerator decreased by 10%
- denominator decreased by 50%
let new numerator
let new denominator
Therefore new fraction,
Percentage increase
⇒ Percentage increase of function = 80%