Answer:
Option A 0.1698
Step-by-step explanation:
Given that Jason has a chance for getting oil as 45%
THe kit he buys show accurate result with 80% probability
Let A1- Event that the land has oil
A2 - Event that the land has no oil
B- The test gives negative result
A1 and A2 are mutually exclusive and exhaustive
P(A1) = 0.45 and P(A2) =0.55
Hence we can use Baye theorem
Then P(B) = P(A1B)+P(A2B)=
Reqd prob =P(A1/B) =

Answer:
x= 3.5
Step-by-step explanation:
5*2x= 10x
5*7= 35
10x/10= x
35/10= 3.5
3.5= x
Answer:
<h2>12 feet 8 inch long cast a shadow</h2>
Step-by-step explanation:
A person 6 feet tall standing 18 feet away a lamppost cast a 9 foot shadow.
than move 4 feet than total distance is 22 feet
According to trigonometry rule make 30 degree angle


or

than

answer