nrlsonjohnny13oxcwc1 nrlsonjohnny13oxcwc1

20-10-2017
Mathematics

contestada

find the sum of the first 13 terms in the series -5+1+7...+67

Respuesta :

Аноним Аноним

20-10-2017

this is an arithmetic series with common difference 6

S13 = (13/2)[2*-5 + (13-1)*6)] = 403

Answer Link

Otras preguntas

Why does a soaked seed germinate faster than the one kept in the fridge?

What is the net work done on the object over the distance shown?

what are the values of x and y in the figure shown? show your work

How did Newton's invention of the reflecting telescope affect the field of astronomy? Question 1 options: It allowed astronomers to see clearer images, without

Complétez chaque phrase avec le bon verbe à l'imparfait. Il dix-neuf heures dans la ville de Québec. Les touristes le défilé de nuit du Carnaval. Ils froi

55% of the cookies joel baked had chocolate chips. If joel baked 77 cookies with chocolate chips, how many total cookies did he bake?

Write 9:15 pm using the 24-hour clock.

Once again....i need help

On Planet Galactica, common units of distance are alpha, beta, and gamma. 4 gammas equal 5 betas. 2 betas equal 3 alphas. How many alphas equal 1 gamma?

A person invests 9000 dollars in a bank. The bank pays 4.25% interest compounded semi-annually. To the nearest tenth of a year, how long must the person leave t