girltwin888 girltwin888

01-04-2018
Mathematics

contestada

PLEASE PLEASE PLEASE HELP I NEED IT

What is the sum of the series?

PLEASE PLEASE PLEASE HELP I NEED IT What is the sum of the series class=

Respuesta :

Аноним Аноним

01-04-2018

Formula :

[tex]n\left(a_1+\frac{d\left(n-1\right)}{2}\right)[/tex]

Plug in the values :

[tex]20\left(1+\frac{-3\left(20-1\right)}{2}\right) = 550 [/tex]

----------------------------------
Answer:550
----------------------------------

Answer Link

Otras preguntas

what is 24% of 80? helppp

tan x has a vertical asymptote at x = . cot x has a vertical asymptote at x = . sec x has a vertical asymptote at x = . csc x has a vertical asymptote at x =

Did frank from american pickers pass away

Chipotle is open monday through saturday 8:00am to midnight and sunday from 10:00 am to 8:00pm, how many hours is it open in one week

The ΔPQR is right-angled at P, and PN is an altitude. If QN = 12 in and NR = 6 in, find PN, PQ, PR.

Sally has been measuring the tree in her yard for a science project. The tree has grown 1/2 of an inch each month and gotten a total of 2 inches taller. How man

How do you do 4/5x-.4 repeating?

Explain the different purposes of the FDA and the USDA and why both are necessary.

Find the following measures for this figure. Lateral Area = 55 square units 5√(47) square units 5√(146) square units Volume = 275 cubic units 91 2/3 cubic uni

What type of weather is most likely expected in a location that has a very high amount of water vapor in the atmosphere? A. Cloudy B. Dry C. Low humidity D.