Answer:
simplified: 6 + x/3
Step-by-step explanation:
(2/3x+2) - (1/3x - 4)
= 6 + x/3 .
Hope this helps !
Answer:
Step-by-step explanation:
7.25 i think?
Answer:
(351.04, 368.96)
Step-by-step explanation:
Given that population mean= 360
Std devitaion = 4
margin of error = 2.5%= 0.025
Since population std deviation is known we can use Z critical value
For two tailed critical value for 2.5% would be
2.24
Margin of error = ±Critical value*std deviation
= ±2.24(4)
= ±8.96
Confidence interval =(Mean - margin of error, mean + margin of error)
=
Find two numbers that multiply to -30 and add to 1, so -5 times 6 is -30 and -5 plus 6 is 1.
The factors would look like (x-5)(x+6).
The answer is 4/13 as a faction. It comes out as a long decimal. That can be confusing ;)