Question

What is the sum of the arithmetic sequence 4, 11, 18 …, if there are 26 terms?

Answer 1

the formula for sum of 'n' terms of Arith seq is
(n/2)*(2a+(n-1)d)
a is the 1st term
d is the common difference,here d=7
just put values and calculate

Answer 2

I have to do taht 26 times:?

Answer 3

no!!
u just put the value of n as 26,a as 4 and d as 7
and that will give u sum of 26 terms directly...

Answer 4

Can you show me

Answer 5

yup ...
(26/2)*(2*4+25*7)
=13*(8+175)
can u solve further?

Answer 6

No

Answer 7

2,379 ?

Answer 8

@hartnn

Answer 9

yes :)

Answer 10

Someone help me I don't know how to use garage band please help if you know how t

Answer 11

calc iii solution check

Answer 12

find max and min of x^2 + y^2 subject to the constraint x^2 - 8x +y^2 - 10y = 0

Answer 13

calc iii lagrange multipliers problem

Answer 14

Emotional effects of steroid use seem to depend on the _______ of the steroid used.

Answer 15

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Answer 16

Luella has a pond in her yard. She wants to surround it with 330 feet of fencing. The fencing is sold by the yard. How many yards should she buy?

Answer 17

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Answer 18

https://i.imgur.com/Wjmpc6D.png

Answer 19

Assessment items
Assessment started: undefined.
Item 1

Read the passage.

Dark Star

Giselle leaned against the mahogany bay horse, stroking the white diam

Answer 20

Okay I was gone for a minute BUT I'M BACK NOW

Answer 21

the scatter plot presents Ray's monthly electricity bills and amount of time ray

Answer 22

Which word shares a connotative meaning with the word cheap as it is used in this sentence?

Ashley thought her parents were being cheap when they bought ge

Answer 23

Which revision fixes the dangling modifier in the sentence?

Rowing through the rapids, the canoe began to fill with water.

Answer 24

dangling modifier

Answer 25

Misplaced Modifiers

Answer 26

For which literary work did Joseph Heller use his military experiences as a prima

Answer 27

Calc III Tutorial: Lagrange Multipliers

Answer 28

Can someone translate this for me?

Answer 29

Find the interest due on $1,090 at 8% for 5 years.

43.60
68.13
436.00
681.25