ian0205huang ian0205huang

02-03-2021
Mathematics

contestada

x, 8, y make an arithmetic sequence. x, y, 20 also make an arithmetic sequence. What is x and y?

Respuesta :

really226 really226

02-03-2021

First sequence with common difference:
8-x=y-8
Second sequence:
20-y=y-x

Solving two simultaneous equations:
x=16-y
20-y=y-16+y
y=12
x=4

Answer Link

Otras preguntas

what is the slope of the line whose equation is 4y-6x+16=0

How many fe atoms are contained in 787 g of fe?

solve the literal equation for y a=9y-3yx

One winter night the temperature fell 16 degrees between midnight and 5 A.M. By 9 A.M.the temperature had doubled from what it was at 5 A.M. By noon, it had ri

Find the slope of the treadmill shown to the right

My car averages 35 miles to a gallon. when the price of gasoline is $3.09per gallon, what was the cost per mile

15/16 is 1 sixteenth groups of what size

How did the various first civilizations differ from one another?

Identify the slope of the line shown in the graph below: Graph of a vertical line with an x intercept of 5.

Two families meet at the park at 10:00am. Each family uses a different way of transportation to get there. The Gonzalez family leaves at 9:00am and drives 90 k