jamesdaddy jamesdaddy

09-08-2017
Mathematics

contestada

What is the 7th term of the geometric sequence 4, -20, 100

Respuesta :

mreijepatmat mreijepatmat

09-08-2017

1st let's calculate r the common ratio:
r = (-20)/4 = (100/-20) = -5

Value of nth term = a₁.rⁿ⁻¹, where a₁= 1st term and n, the rank

Value of nth term = 4r⁽⁷⁻¹⁾ = 4.(-5)⁶

Value of nth term = 62,500

Answer Link

Otras preguntas

If there are 25 students in a class and 13 are girls, what is the ratio of boys to girls? Is the relationship, part to part, part to whole or whole to part

ASAP!!! How does this poem sound!?!? Butler in black A dark, dark soul That is, if within him There is one at all Young Master he serves Till vengeance is deal

Which group of women was allowed to own land in Texas? A. married women B. native American women C. single women that were head of the family D. only healthy w

The only treatment alternative left for a client diagnosed with advanced cancer is a rare, highly experimental bone marrow transfusion with a 10% success rate.

The sales manager is convinced that a 11% reduction in the selling price, combined with a $65,000 increase in advertising, would increase this year's unit sales

According to Socrates in "the duty of obedience", must obey laws and courts verdicts unless we are able to: A) persuade our country B) flee our country C) Es

a rectangle has a length of 3.6 in. and a perimeter of 16.8 in. what is the width of the rectangle in decimal form?

What is pH level of acid rain?

11x+7=6x-3 Solve for x.

2. The sales tax rate in New Mexico is 5.125%. Select all the equations that represent the sales tax, t, you would pay in New Mexico for an item of cost c? A. t