If you zoomed in i could've helped more. Bummer...
1. It is 84.
x=100%
63=75%
(63*100)/75=84
A - area of a trapezoid;
a, b - two bases.
A = h * ( a + b ) / 2 / * 2 ( we have to multiply both sides by 2 )
2 A = h *( a + b )
2 A = h a + h b
h b = 2 A - h a
b = ( 2 A - h a ) / h
b = 2 A/h - a
Answer: D )
Answer:
Step-by-step explanation:
All real numbers because x can assume every possible value