Answer:
X 8
Step-by-step explanation:
Answer:
Step-by-step explanation:
If the circumference of the circle is x cm the perimeter of the square will be 38-x cm.
The area of the square = (38-x)^2.
The radius r of the circle = circumference /2π = x / 2π.
The area of the circle = πr^2 = π * (x / 2π)^2
= x^2/ 4π.
So total area A = (38 - x)^2 + x^2/4π
A = 1444 - 76x + x^2 + x^2/ 4π
A = x^2 - 76x + 0.07958x^2 + 1444
A = 1.07958x^2 - 76x + 1444
Answer:
b
Step-by-step explanation:
(7/10 + 1/2) * 5/8 -1/2
parenthesis first....common denominator is 10
(7/10 + 5/10) * 5/8 - 1/2
12/10 * 5/8 - 1/2...reduce when u can
6/5 * 5/8 - 1/2
now we multiply
30/40 - 1/2
3/4 - 1/2
now we subtract...common denominator is 4
3/4 - 2/4 = 1/4 <== ur answer