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

Find the measure of A. 254 B. 53 C. 106 D. 127

-2x+3y-5x-(-8y)+9y= please help me

The mineral calcite (CaCO3) is classified as _____.

BRAINLIESTTT ASAP!!! Which statement describes the motion of the sun? The sun rotates at the same rate throughout. The sun does not rotate at its poles. Diff

Read the excerpt from Act I, scene ii of Romeo and Juliet. Benvolio: At this same ancient feast of Capulet’s, 70 Sups the fair Rosaline, whom thou so lov’st, W

What is the length of each side of a square that has the same area as a rectangle that is 12 mm long and 18 mm wide? Round to the nearest whole number.

what type of solution is x^2 + 10x + 25 = 0

A sequence of numbers begins with 12 and progresses geometrically. Each number is the previous number divided by 2 Which value can be used as the common ration

Find the diameter of a circle if the area is 153.86m². Use 3.14 for pi.

(LC)The body paragraphs of an essay can be organized many ways, but essentially you should focus on one supporting idea at a time include as many key points as