Answer:
I love algebra anyways
the ans is in the picture with the steps
(hope it helps can i plz have brainlist :D hehe)
Step-by-step explanation:
6 apartments in 2.5 hours
30 apartments in ? Hours
6/2.5=30/x
6x=(30)(2.5)
x=75/6
x=12.5 hours
Answer: To find the cost to print a circular frame, we need to first find the area of circle.
Given: 
We know that:
Area of circle 


Also we are given cost per square foot is $27
Therefore, the cost to print a circular sign with a radius of 1.1 feet is:
or $102.58
Answer:
242
Step-by-step explanation:
Answer:
The mean is 27.8
The required variance is 23.9358
Step-by-step explanation:
Consider the provided information.
Here the random sample size, n = 200
Unemployment rate is 13.9% = p = 0.139
Part (a) expected number of grads who are unemployed.
Hence, the mean is 27.8
Part (b) variance of the random variable "number of grads who are unemployed.

Hence, the required variance is 23.9358