Answer:
Step-by-step explanation:
Question 1:
First, write the equation out:
4(x+3)=7x-3
solve for x:
4x+12=7x-3
15=3x
x=5
Question 2:
Do the same on the second question:
30-x=3x-6
36=4x
x=9
Answer:
Comparing Distributions: Z Test
The simplest way to compare two distributions is via the Z-test. The error in the mean is calculated by dividing the dispersion by the square root of the number of data points. In the above diagram, there is some population mean that is the true intrinsic mean value for that population.
Step-by-step explanation:
happy to help:)
Answer & Step-by-step explanation:
Identify two points on the line.
Select one to be (x1, y1) and the other to be (x2, y2).
Use the slope equation to calculate slope.
Answer: 9
Step-by-step explanation:
120/20/2 (3)
6/2 (3)
(3) (3)
= 9
Glad I could help!
Answer:
454 i hope that helps:)
Step-by-step explanation: