Answer:
1/2, 3/8, 1/8
Step-by-step explanation:
the radio of giving blue marbles is 4/8=1/2
the radio of giving green marbles is 3/8
the radio of giving red marbles is 1/8
The area of the rectangle is 156 inches.
Here are the steps to solve it:
-6+3x= -9
3x= -9+6
3x÷3= -3÷3
x= -1
Your answer is x = -1
The answer is true. An altitude of a triangle is the perpendicular segment from a vertex to the line containing the opposite side.
Answer:
4x^2 -8
Step-by-step explanation:
f(x)=3x^2-9
g(x)=x^2+1
(f+g)(x)=3x^2-9 +x^2+1
Combine like terms
= 4x^2 -8