Answer:
B. 40
Step-by-step explanation:
We can make this an equation since the entire thing equals 360
3x+110+90+40=360
3x=120
x=40
Answer is B
Brainliest please :)
It's C .A corner is a vertice.
Answer:
the median is increased from 7 to 7.5
V = (1/3)*B*H
3V = B*H ... multiply both sides by 3
B*H = 3V
B = (3V)/H ... divide both sides by H
Answer: Choice A
2(cos2x - sin2x)
Step-by-step explanation:
Y = sin2x + cos2x
Differentiate wrt x
dy/dx = cos2x . 2 - sin2x . 2
= 2(cos2x - sin2x)
