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

during the drafting stage of the writing process you

On a recent test, students had the following scores: 85, 100, 92, 96, 87, 94, 75. For these scores, find: a) Mean b) Variance = sum of (Difference from the Mea

what is a giant molecule consisting of the sugar deoxyribose, phosphates, and nitrogen bases?

what is the important job of the rib cage

Which description is correct for the polynomial 4x^2+3x+5 cubic trinomial quadratic trinomial cubic binomial quartic monomial

Estas camisetas son bonitas, pero ___ no son de buena calidad. aquellos aquel aquéllas aquéllos

What does "Marry You" by Bruno mars have in common with "Romeo and Juliet?"

what is happening to the earth's field right now.

which of the following supreme court decisions stated that "separate nut equal" facilities for black people and white people were constitutional? A. Brown v. Bo

How many rooms does the white house have?