10 x 7 = 70
1 x 7 = 7
9 x 7 = 70 - 7
9 x 7 = 63
Answer:
Hey there!
First, we want to find the side length of the large triangle.
1/2bh=y cm^2
bh=2y cm^2
Since b and h are the same here, we have b^2= 2y,
.
And we have FC=
.
Area of shaded triangle:
.
This is equal to:
, or y/4.
Let me know if this helps :)
Answer:
Step-by-step explanation:
-3x²-(4x²-x)
=-3x²-4x²+x
=-7x²+x
Answer:
its the last one
5/20
Step-by-step explanation
all of the fractions equal 1/5 and the last one equals 1/4 if you simplified them
hope this helps :)