First, keep in mind that two negatives make a positive:
-13w^2 + 13 + 2w^2
-11w^2 + 13
6400 = 2*2*2*2*2*2*2*2*5*5 = 2^8 * 5^2
Square root of 2^8 = 2^4 and square root of 5^2 = 5
So the answer is 2^4 * 5
= 16 * 5
= 80
Answer:
A=63.585 cm²
Step-by-step explanation:
Note : It is not given what to find so i am finding are of the circle.
D=9cm
r=D/2
r=9/2
r=4.5
Area of the circle :
A=πr²
A=π4.5²
A=63.585 cm²
Answer:
Perimeter 180 feet
Area 1800 square feet
Step-by-step explanation:
