michellewilliam michellewilliam

01-07-2016
Mathematics

contestada

find the sum of the first 3 terms of a geometric sequence with a=96 and r=1/4 the sum is____.

Respuesta :

olemakpadu olemakpadu

05-07-2016

For Geometric sequence, the next term is multiplied by the common ratio.

Common ratio, r = 1/4

1st term, a = 96

2nd term = ar = 96*1/4 = 24

3rd term = ar² = 96*(1/4)*(1/4) = 6

Sum of the first three terms = 96 + 24 + 6 = 126

Answer Link

Otras preguntas

What are the last sign of death

Name each angle in four ways. Then classify the angle as acute, right, obtuse,or straight.

i need to pass this iready thing can someone kindly help me. please thank you.

Which is a right triangle formed using a diagonal through the interior of the cube? A cube. The top face has points G, B, C, F and the bottom face has points H,

!!PLEASE HELP!! A flower store uses the expression 2+5r to determine the cost, in dollars, of r roses. Complete the table to find the cost of different numbers

A six-sided number cube is rolled 300 times. The results are 120 even numbers and 180 odd numbers. How does the relative frequency of rolling an even number com

Main idea and 3 supporting facts

You do not need to use a citation if the information was found on a public Web site. Please select the best answer from the choices provided T F.

helppppppppppppppppppppppppppppppmeeeeeeeeeeee

This excerpt from Nelson Mandela’s autobiography Long Walk to Freedom may be more philosophical than autobiographical as he reflects on oppression and transform