Let

then you will have a^2-12a+36=0 and then you can just factor to find a
Answer:
F is reduced by 31%
Step-by-step explanation:
F = 1/(d²)
now, we increase the distance by 20% (multiply by 1.2).
F new = 1/(1.2×d)² = 1/(1.44×d²) = (1/1.44) × (1/(d²)) =
= 1/1.44 × old F = 0.69 × old F
100 - 69 = 31%
Cost:amount
15/12
$1.25 for a fruit tart
Answer:
Positive 8
Step-by-step explanation:
Answer:
I'm 99.9% sure that x=4
Step-by-step explanation: