Answer:
her total profit is 3
Step-by-step explanation:
1.50 x 30 = 45
to find total profit - 45-42= 3
Answer:
What do you need help with?
Step-by-step explanation:
Answer: 1.25
Step-by-step explanation:
Given: A college-entrance exam is designed so that scores are normally distributed with a mean
= 500 and a standard deviation
= 100.
A z-score measures how many standard deviations a given measurement deviates from the mean.
Let Y be a random variable that denotes the scores in the exam.
Formula for z-score = 
Z-score = 
⇒ Z-score = 
⇒Z-score =1.25
Therefore , the required z-score = 1.25
The volume of a prism of this type is
v= (1/2) x B x h x H
(1/2) x 15.24 x 8 x 12
= 732
Answer: can u take a better picture and is the 9th grade
Step-by-step explanation: