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 product of its prime numbers of 21?

You use 3 cans of soup to serve 5 people. If you want to serve 20 people, what should you do?

Paolo's puppy weighed 11 lbs at the vets Office.what is this weight in ounces?

What global issues do geographers study

sentences with jaybrid

How do you the distributive property to write an equivalent expression for 2(9+5k).

Which of the following is a possible effect of environmental hazards? a. lung problems b. cancer c. brain damage d. all of the above

The United States' most widely grown crop is _____. wheat rice corn sugar

Kylo bought pizza for 12.75 and four medium drinks at Pauli's Pizza. Define a variable and write an expression to represent the total amount of money he spent.

Most Americans drink plenty of water. a. True b. False