Answer:
X=-2
Step-by-step explanation: x is negative 1/3 of y. We can tell because of this example so when you divide y=6 by negative 1/3 it makes -2!
Π*√9
π*3
3π π ≈ 3.1416
3*3.1416
≈ 9.4248
Hope this explains it.
Answer:
±square root 20
Step-by-step explanation:
x²= 20
x= square root 20
x= 2 square root 5
x≈ 4.4721
Answer:
D
Step-by-step explanation:
(-1) + (-1) = -2... so 500 times... it would be -500.
Answer:
Hence, the probability of a Negative test is
.
Step-by-step explanation:
(a)
Let
Drug user and
Test positive
Probability of drug users 


(b)
Find the Probability of a Negative test,




