Answer:
7580
Step-by-step explanation:
The formula for the sum of an arithmatic sequence is
,
where n = total number of terms (in this case 40)
= the first term (in this case 14)
and 
= the last term (we will need to find this)
to find the last term, we can use this formula:
where d is the difference between each term (in this case 9, because 23 - 14 = 9, and 32 - 23 = 9)
thus, 
= 14 + (40 - 1)9 = 14 + 39*9 = 14 + 351 = 365
plug this back into the first formula to get
Σ = 
(14 + 365) = 20(379) = 7580
30b+3= s
It would be thirty students times the number of buses, with an addition of 3 students equal to the total number of students when on the field trip.
I hope this helps!
~cupcake
Four 90 degree angles, two pairs of parallel lines, and congruent sides.
Hope this helped!
See attachment file below.
Answer: 11/3
Hope it helped!
Answer:
B. The value is a parameter because the career at-bats of a baseball player are a population.
Step-by-step explanation:
The hitter had a career batting average of 0.366.
This value comes from information about the population of every time he has ever gone up to bat. Therefore, it is a parameter.
If on the other hand, we take the batting average of 5 games, the 5 games will be a sample and the batting average will be a statistic.
