Answer:
A.9
Step-by-step explanation:
9 x 3 = 27, 27 divided by 3 is.. 9
Intensity=k/(distance)² where k is a constant
8000=k/2²
8000=k/4
k=32000
If distance is 11 miles, Intensity=k/11²
=32000/121
=264.46units
≈264units
Answer:
Step-by-step explanation: 309
Answer:
set y=0 in one of the equations and then in the other one set x=0
Step-by-step explanation:
below is how you do it
y=5x-5 y=3x+3
0=5x-5 y=3(0) +3
5=5x y=3
1=x
She collected more 1/3 pounds on the first day