If anything is unclear , Please notify me.
I have solved some examples. it's in the picture.
Answer:
20x -22
Step-by-step explanation:
14x-7+3(2x-5)
Distribute
14x -7 +6x -15
Combine like terms
20x -22
Answer:
0.0869
Step-by-step explanation:
The arc electronic company had an income of 90 million dollars last year.
Mean(μ) = 75 million dollars
Standard deviation (σ) = 11 million dollars
Probability that the randomly selected will earn more than arc did last year = Pr(x>90)
Using normal distribution,
Z = (x - μ) / σ
Z = (90 - 75) / 11
Z = 15/11
Z = 1.36
From the normal distribution table, 1.36 = 0.4131
Φ(z) = 0.4131
Recall that when Z is positive, Pr(x>a) = 0.5 - Φ(z)
= 0.5 - 0.4131
= 0.0869
Answer:
20.61952
Step-by-step explanation:
hope it helps
Answer:
8.97 × 10-3
Step-by-step explanation:
you move the decimal so its a number between 1 and less than 10 so we moved the decimal three spaces.
