Find the area of the rectangle and the 1/2 circle, then subtract the half circle's area from the rectangle's.
Area of the rectangle is 30in.
Area of the 1/2 circle is 19.625.
Subtract
30-19.625
10.375
(Round it to 10.4 in this case)
Answer:
7k -7
Step-by-step explanation:
-k-(-8k+7)
Distribute the minus sign to all terms in the parentheses
-k--8k-7
Ad negative negative is a positive
-k + 8k -7
Combine like terms
7k -7
Answer:
she will make $270 and each friend buys 9 CD's
Step-by-step explanation:
To find the money she makes take the CDs and multiply it times the money each one costs. To find the amount each friend buys divide the cds by th amount of friends
Answer:
12.
Square root = 37,
Step-by-step explanation:
40^2 = 1600
35^2 = 30 * 40 + 25 = 1225
So the requred square is between 35 and 40
38^2 = 1444
37^2 = 1369 - so its this one.
Required difference = 1381 - 1369 = 12.