Answer:
11.45 lumens
Step-by-step explanation:
We are given that

Where x=Depth
I=Intensity of light
We have to find the intensity of the light at a depth of 20 feet.
Substitute the value of x





Hence, the intensity of the light (in lumens) at a depth of 20 feet=11.45 lumens
Answer:
c
Step-by-step explanation:
It would also be 42 because the triangle is divided in half.
Answer:
B: 3:8
Step-by-step explanation:
3x8=21
1x2=2
3x4=16
22x32=424
Answer:
-3 is the answer because if we divide 15 by 5 we get 3 . So it is same only the question is -15 divide by 5 so the answer is -3