lillibug1121 lillibug1121

10-05-2019
Mathematics

contestada

Which is equal to the expression below?
(x-3x)+(3x-5x)+(5x-7x)+...+(23x- 25x)

A.
-26x
B.
-24x
C.
24x
D.
26x

Respuesta :

AnTiMaTteR23 AnTiMaTteR23

10-05-2019

-24x. This is an example of a "telescoping series". If you notice, the last and first part of each term cancel out. Take away the parenthesis and you'll see it. x-3x+3x-5x+5x-7x+7x... everything goes away except x-25x so it's -24x.

Answer Link

Otras preguntas

write TRUE if the underlined word in the statement is correct.If not , change the underlined word to make it correct.1.positive integers are not whole numbers.2

what do all areas of psychology have in common

Write an explicit formula for an, the nth term of the sequence 11, 20, 29

Which of the following items is most likely a mineral? A) a gold-platinum hybrid created in a laboratory B) a gas that occurs naturally in Earth's crust C) an i

“God lives in the heart of the Panch,” the aunt said. What did she mean?

Immunosuppressant drugs will not be needed for new body parts. TRUE/FALSE

Which person has the highest hourly wage? How do you know?

Each of 5 students reported the number of movies they saw in the past year. Here is what they reported. 15, 16, 11, 10, 8 Find the mean number of movies that th

Which of the following factors does not affect electronegativity? A. Atomic radius B. Number of electrons in the atom. C. Number of atoms present. D. Nuclear ch

What is the measure of x?

good job