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:
The 4th term in the sequence is -8.
Step-by-step explanation:
The nth term of the sequence B is given by:

So the fourth term will be given by:
B when n = 4, that is, B(4).

The 4th term in the sequence is -8.
30.00x3=90.00$+25.00$=115.00$ so it has to be 115.00)
Answer:
2*(-3)= -6
Step-by-step explanation:
I do not see how "a*b=2a-3b" would change the fact 2 times negative 3 is -6
Answer:
50% chance
Step-by-step explanation:
4 * 50% = 2