mellohead955 mellohead955

21-09-2016
Mathematics

contestada

s=n(a1+an)/2 gives the partial sum of an arithmetic sequence. What is the formula solved for an?

Respuesta :

nobillionaireNobley nobillionaireNobley

23-09-2016

S = n(a1 + an)/2
2S = n(a1 + an)
2S = na1 + nan
nan = 2S - na1
an = (2S - n a1)/n

Answer Link

bellelerae bellelerae

18-08-2018

Just took the quiz.

The answer is an=2S-a1n/n

Answer Link

Otras preguntas

7 √x +4 Is it a polynomial?

Need help on number 3 please!!

find the volume of pyrmaid

How did Africans think fighting in World War I would impact their lives? They thought the victorious nations would abolish colonialism. They thought they would

A car travels 22 miles for every gallon of gasoline used. The table below represents this relationship

Santa Corporation issued a bond on January 1 of this year with a face value of $1,000. The bond's coupon rate is 4 percent and interest is paid once a year on D

simplify a) 5/4 b) 7/6 c) 6/7

ANSWER WITHIN 10 MINUTES AND I GIVE BRAINLIST Which best explains now the text is organized? numerically sequenced steps that need to be completed in a specific

What can an author do to promote a reader's suspension of disbelief? A. Describe the magical or supernatural elements of the story and how they affect the chara

Water is being heated on the stove at 90 ⁰C. What is this temperature on the Fahrenheit degrees?