Step-by-step explanation:
22+2x+8= x+20
2x+30=x+20
x+30=20
x=-10
answer is -10
Answer:
x=5/2,3/2
so 5/2 is the maximum height. (2.5)
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
Two sides of triangle of sides 5 ft and 7 ft
and angle between them is increasing at a rate of 0.9 radians per second
let
is the angle between them thus
Area of triangle when two sides and angle between them is given


Differentiate w.r.t time

at 


The answer is 45 because supplement means the sum of 180 so 180 divided by 4 is 45 and t=45