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

John is lifting a 1.5 kg toy to a height of 1.2 m above the ground. How much work

Answer 11

The distance between two objects is increased by a factor of 2. How will the gravitational force between the objects change?
A.

Answer 12

What can be stated about the conclusion to "The First Seven Years" by Bernard Malamud?
A.

Answer 13

Using the following equation, find the center and radius of the circle by completing the square.

Answer 14

In "The First Seven Years" by Bernard Malamud, Feld is a Polish immigrant shoemaker who wants his daughter to have a better life than his own.

Answer 15

Simplify each expression using the order of operations. Then, match the expression (term) on the left with its solution (definition) on the right.

Answer 16

Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learnin

Answer 17

What

Answer 18

Eturntie, CC slides

Answer 19

What is the precise definition of an angle?

A. two line segments that share a common endpoint

B.

Answer 20

NEXT!!

Answer 21

YEET

Answer 22

Science quiz

Btw no direct answers

Answer 23

If f(x)=x^2 and g(x)=x+3, which of the following statements is true?
A.(f*g)(0)=3
B.

Answer 24

what is evolution?
@t

Answer 25

Given the equation 2(3x u2212 4) = 5x + 6, solve for the variable. Explain each step and justify your process.

Answer 26

The narrator's description of Kunthi as "a thin, slight girl" connotes that _____.

Answer 27

Sketch what you observe when examining the hay infusion using the low
-
power (4x) lens and the high
-
power lens (40x).

Answer 28

Use the slope formula to calculate the slope of the line containing the points:
(-2 3/4,5) and (1 3/4,3)

A.

Answer 29

What is the equation of the line that contains the two points
(0,-1) and (-1,-3)?