Answer:
380.13
Step-by-step explanation:
Use the formula A = π r squared
A= π (11)squared
To get the area of the half circle, do π r².
Let's use 3.14 as pi.
First square 2 to get 4 then multiply it by 3.14 to get 12.56. Since this is a half circle we have to divide it by 2 for the area: 6.28.
Then for the triangle multiply 6 times 2 (12) then divide it by 2 to get 6. Then add the two together to get 12.28 then round to the nearest tenth to get a final answer of 12.3 m². Hope this helps!
-$67 because she lost or spent 67 dollars which is larger than 34 dollars.
Answer:
-13
Step-by-step explanation:
Replacing x with -3 results in f(-3) = -(-3)^2 - 4, or
f(-3) = -9 - 4 = -13