Answer:
Letty has 75%
Step-by-step explanation:
15/20 is the same as 75/100 ( 15/20·5) so she has a 75% grade
Answer:
a pyramidal prism is 1/3 the volume of a similar rectangular prism of same base and height
so V=(1/3)bh
V=36
H=6
find area of base
36=(1/3)b6
36=2b
divide both sides by 2
18=b
the area of the base is 18 square units
Step-by-step explanation:
Answer:
4.8
Step-by-step explanation:
add all values and divide it by 5
Answer:
The critical value can be founded in the normal standard distribution table using the value of and we got . Replacing the info given we got:
Step-by-step explanation:
For this case we have the following info given:
represent the population deviation
represent the sample mean
represent the sample size
And we want to find the margin of error for a confidence level of 95%. So then the significance level would be and . The margin of error is given by:
The critical value can be founded in the normal standard distribution table using the value of and we got . Replacing the info given we got:
Answer:
The number of units to sell is 112.
Step-by-step explanation:
Giving the following information:
Selling price= $4
Total cost= $86.56
Desired profit= $100
<u>To calculate the number of units to be sold to reach the objective, we need to use the following formula:</u>
Desired profit= number of units*selling price - total cost
100= number of units*4 - 86.56
25= number of units - 86.56
111.56=number of units
The number of units to sell is 112.