alunneya alunneya

25-06-2018
Mathematics

contestada

-8+(-4)+(-2)+(-1)+(-1/2)+.... what is the sum of the first 7 terms of the geometric series
A: -3.96875
B: -15.875
C: 2032
D: 508

Respuesta :

kingothepitch kingothepitch

03-07-2018

your answer is 15.875

-8+(-4)+(-2)+(-1)+(-1/2)+(-1/4)+(-1/8)
you half the previous vaule to find the next value

Answer Link

Otras preguntas

What do you think a biotic factor is within an ecosystem?.

The area A of a square is given. Find its side length. Which side lengths are whole numbers? a) A = 36 cm² b) A = 49 m2 c) A = 95 cm? d) A = 108 m2

all the factors influencing plant and animal life, such as climate, temperature, light, and food

What year did Hanibal cross the alps with his elephants?

Find the area of the parallelogram. 14 cm E 14 cm

How would I solve for X and Y?

What is the "domino theory?" How did this theory influence American foreign policy in the 1960s?

Match the following.

How many cubes with edge lengths of 1/4 in. will it take to fill the prism a 56 cubes b 375 cubes c 6000 cubes i need to hurry

The most important development of the early Stone Age was the ability to communicate through art. Please select the best answer from the choices provided ОТ OF