Answer:
The area of the quarter circle is 
Step-by-step explanation:
we know that
The area of a quarter circle is equal to

we have

substitute the value


Answer:
a) never true
Step-by-step explanation:
a radius is always half of a diameter
Answer:
.5
Step-by-step explanation:
if you put 400 in an account and for nine months with 0.5 interest rate you would get 418.41 so 0.5 is the answer
If you would like to solve the equation 4/5 * x = 2/5, you can calculate this using the following steps:
4/5 * x = 2/5 /*5
4 * x = 2 /4
x = 2/4
x = 1/2
The correct result would be 1/2.