Step-by-step explanation:
A + 2 ÷ (-24) = -4
A - 1/12 = -4
A = -4 + 1/12
A = -48/12 + 1/12
A = -47/12
A ≈ -3,91
The square root is having a sum, ex: 16 and you need to find 2 numbers that are the same numbers and multiply them together and their value equals the said number. Answer: 4 because 4×4=16
Answer:
5^-2
Step-by-step explanation:
All you have to do in this situation is subtract the powers :)
10-12=-2
Answer:
Probability of getting at least 9 out of 18 correctly is 0.0043
Step-by-step explanation:
We have
n = 18
p = 1/5 for correct answer
q = 4/5 for wrong answer
P( 9
X
18) = 1 - P(0
X
8)
= 1 - 0.9957
=0.0043