Answer:
A =363 cm^2
Step-by-step explanation:
A = π r^2
r = 11.3
Rounding to the nearest whole number
r =11
pi = 3.14
Rounding to the nearest whole number
pi = 3
A = 3 * 11^2
A = 3 *121
A =363 cm^2
Answer:
-50
Step-by-step explanation:
Put 2 where x is and do the arithmetic.
f(2) = -2(5^2) = -2(25) = -50
40 square units is teh correct answer
Answer:
16 girls
Step-by-step explanation:
If you have 12 boys, and the ratio is 3;4, that means you multiplied 3 times 4. To find the answer to this problem, you need to multiply 4 by 4 because you multiplied 3 by 4, and you always have to multiply or divide by the same thing if its a ratio.
