Answer:
a) 16
b) 100
c) 64
d) 
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Step-by-step explanation:
Perfect square trinomial:
A perfect square trinomial has the following format:
a.
x² – 8x
So 2a = 8, a = 4. Then
The perfect square trinomial is 
b. x2 + 20x +
2a = 20, so a = 10
The perfect square trinomial is 
C.
x² – 16x +
2a = -16, so a = -8.
The perfect square trinomial is 
d. x2 + 9x +
, so 
The perfect square trinomial is 
[/tex]
I found width=13.72 ft and length=43.72 ft.
Call one dimension of the rectangle x, the other will be x+30
You want an area A=600 ft^2 but A=length x width=x*(x+30)=600
Rearranging you get:
solving this quadratic equation you get a negative solution and a positive one that gives your result.
Answer:
3 ft
Step-by-step explanation:
It is because 3 times 18 is 54 and 3 is 15 less than 18
Answer:
The measure of the arc x is 130°
Step-by-step explanation:
we know that
The semi-inscribed angle is half that of the arc it comprises
so
65°=(1/2)[arc x]
solve for x
arc x=(2)(65°)=130°
