kyleescott6148 kyleescott6148

02-01-2018
Mathematics

contestada

What is sn for the arithmetic series with a1=3 an=-38 and n=8?

Respuesta :

anchitthawi anchitthawi

02-01-2018

Sn = n/2 (a1+an)
= 8/2 (3-38)
= 4 (-35)
= -140

Answer Link

Otras preguntas

What happens to DNA during S phase

A tree broken at a height of 5 cm from the ground and it's top touches the ground at a distance of 12 m from base of the tree find the original height of the tr

Find the greatest common factor for this number pair. 30, 8

The properties of each state of a substance are due largely to the degree (amount) of intermolecular bonding. True False

How was settling Florida impacted by the United States and it’s relationships with foreign powers?

I need helppp!!!!!!!!!!!!

What are picture aids?

answer the two questions by using the pictures, thanks!

HELPPPPPPPPP PLZZZZZZZZZZZZZZ

How many hours should you sleep? How much water should you drink a day? Do you stay healthy and exercise?