Answer: $0.6
Step-by-step explanation:
15cookies= $9
1 cookie = x
Cross multiply
15x= 9
Divide both sides by 15
x= 9/15= 3/5= $0.6
Answer:
volume = ⅓×π×4²×9 = 48π sq. meters
F(x) = 11x² + 5x
f'(x) = 22x + 5
Hence,
f'(9) = (22 * 9) + 5 = 198 + 5 = 203
Use distance formula
=√(3-3)^2 +(-4-4)^2
=√64
=8