panini17 panini17

17-01-2020
Mathematics

contestada

What is the value of y in the sequence below?

2,y,18,-54,162,...

Respuesta :

josshyaby josshyaby

18-01-2020

Answer:

Step-by-step explanation:

2,y,18,-54,162,...

This is a geometric sequence

Common ratio r = T2/T1 = T3/T2

y/2 = -54/18

Cross multiply

y(18) = 2(-54)

18y = - 108

y = -108/18

y = -6

Answer Link

andibojorquez01 andibojorquez01

15-05-2021

Answer:

A

Step-by-step explanation:

Answer Link

Otras preguntas

What is the average (arithmetic mean) of all the multiples of ten from 10 to 190 inclusive?

How many dekameters are in a meter?

Rob has 40 coins, all dimes and quarters, worth $7.60. How many dimes and how many quarters does he have?

what powers Earth's rock cycle

how to take apart addends to substract

John is in the third grade, he tells his teacher that he is a republican. What is the most likely reason for him to identify with that one party?Answer The t

A skeleton forming outside the animal’s body is a(n) a. endoskeleton. b. exoskeleton. c. notochord. d. vertebrate

Solve by Substitutiony= -3/2x -4y= -1/2x =1

Find the value of x that makes the median the given number. . . 2, 5, 4, 9, 7, x; median = 5

12 litres of water are poured into an aquarium of dimensions 50cm length, 30cm breadth, and 40cm height. How high (in cm) will the water rise? (1 litre = 1000cm