Which of the following arithmetic progressions has the largest sum of its terms?

2 + 5 + 8 + 11 + â¦ + 212 + 215

4 + 8 + 12 + 16 + â¦ + 200 + 204

1 + 6 + 11 + 16 + â¦ + 286 + 291

9 + 17 + 25 + 33 + â¦ + 337 + 345

answer

watching

views

For unlimited access to Homework Help, a Homework+ subscription is required.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

Irving HeathcoteLv2

26 Jan 2019

Unlock all answers

Get 1 free homework help answer.

Already have an account? Log in

Related questions

Please answer all questions clearly

Show transcribed image text

amethystox283

PLEASE I NEED HELP

1.Find the sum of this series:â1458+486â162+54â...;7th term.

a. â1586

b. â2186

c. â1094

2.Find the sum of this infinite geometric series: 1000 â 200 + 40 â ...

a. 1250

b. 833 1/3

c. 840

3. The orchestra section of a theater has 26 seats in the front row, 29 seats in the second row, 32 seats in the third row, and so on. The pattern continues until the twelfth row. After that, every row has the same number of seats as row 12. How many seats are there in row 12?

a. 59 seats

b. 36 seats

c. 51 seats

4. Some long-range navigation systems use hyperbolas to determine a shipâs position. Suppose the system imposes coordinates so that the location of a ship is in the first quadrant. A ship is located at the intersection of the hyperbolas with equations 4x^2 â 16y^2 = 64 and 49y^2 â x^2 =81. Find the coordinates of the ship to the nearest hundredth of a unit.

a. (4.96, 1.47)

b. (24.60, 2.16)

c. (1.47, 4.96)

5. Find the common difference for the arithmetic sequence that has 17 as its twelfth term and 71 as its sixth term.

a. â12

b. â18

c. â9

6. Find the arithmetic mean of the terms: a nâ1 = 10; a n+1 = 20.

a. 2

b. 15

c. 30