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

Write a set of steps to describe how to use the elimination method with the system of equations.

A person riding on a bus hears the sound from a horn on a car that is stopped. What is different about the sound when the bus is approaching the car compared t

determine the mass of 4.25x10^26 formula units of barium hydroxide

help really quick and fast plzzzzzz

A regular triangular pyramid has slant height 6 cm and base edges of length 15 cm. Find: Volume of the pyramid?

Think about a density curve that consists of two line segments. The first goes from the point (0, 1) to the point (0.7, 1). The second goes from (0.7, 1) to (0.

Convert decimals to percents

A farmer can plow a given field in 11 hours. If his son helps him, they can plow the field together in 6 hours. How many hours would it take his son to plow the

Weighted Average Cost Flow Method Under Perpetual Inventory System The following units of a particular item were available for sale during the calendar year: Ja

An organism is made of many cells, cannot move on its own, and absorbs food from its environment. What kingdom does it belong to?