The number of people that enter a contest the 1st day is 27. The 2nd day 31 people enter and 35 enter on the 3rd day. This pattern continues and the contest lasts 14 days.

What is the total number of people that enter the contest? Write the arithmetic series formula you used to determine the total number of people and show all the steps to find the solution

742

Step-by-step explanation:

27 + 31 + 35 + ...

a = 27

d = 31 - 27 = 4

S14 = (14/2)[2(27) + (14-1)(4)]

= 7(54 + 52)

= 7(106)

= 742

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are

one that is bigger than 3 1/2