Answer:
20.24in^2
Step-by-step explanation:
r^2
3.14 times 16in
that is 50.24
6 times 5 = 30
50.24 - 30= 20.24
Answer:
-2x^3+x^2+5x-5
Step-by-step explanation:
f(x) = 4 - 2x – 2x^3
g(x) = x² + 7x-9
f(x) + g(x)=4 - 2x – 2x^3+ x² + 7x-9
Combine like terms
f(x) + g(x) = -2x^3+x^2+5x-5
Answer:
19 1/2
Step-by-step explanation:
Here are some ratios equivalent to 5:1
10:2
15:3
20:4
25:5