There are twelve tubas in the band. And btw you should work on your spelling. I tutor. So if you want my help just message me.
Answer: x = 1
Step-by-step explanation:
5 ( 2x - 8 ) + 15 = -15 (write the equation)
5 ( 2x - 8 ) = -30 (subtract by 15 on both sides)
2x - 8 = -6 (divide by 5 on both sides)
2x = 2 (add 8 to both sides)
x = 1 (divide by 2 on both sides)
First arrange numbers
14,15,15,17,19,20,21,23,24
19 is median
15+15/2=15 is first quartile
Answer:
19.85
Step-by-step explanation:
158.80 divided by 8 is 19.85
The number of people who voted follows a binomial distribution with probability of having voted
and
subjects, which means the approximating normal distribution should have mean
and standard deviation
.
With the continuity correction, you have
