eneochigbo123 eneochigbo123

03-09-2020
Mathematics

contestada

4.5 and 5 are respectively the average of 2sets of number 3, 4, x, y and 2x, y, 4, 3, find the value of x, y

Respuesta :

ChoiSungHyun ChoiSungHyun

03-09-2020

Step-by-step explanation:

4.5 * 4 = 18.

3 + 4 + x + y = 18, x + y = 11.

5 * 4 = 20

2x + y + 4 + 3 = 20, 2x + y = 13

Hence, x = 2 and y = 9.

Answer Link

Otras preguntas

Which word pair represents the closest cohort competitors of the word sandwich.

A force of 56N is required to keep a spring stretched 4m from the equilibrium position. How much work in Joules is done to stretch the spring 8m from equilibriu

tatiana had $350. she spent $180 on herself ad the rest on presents for her family.writ an equation to express how much tatiana spent on her family.

Also do the line pass through the origin? Explain.

△RQP≅△ONM. Find the value of x. ( I WILL GIVE BRAINLIEST! PLS HELP!) refer to attachment

How many people were killed by the rat islands earthquake.

The chart shows how many people have signed up to go on a field trip each day. 62 students are allowed to go on the field trip. On which day would you expect th

please answer fully ?/'//////////////////////

I want you to put this in your words own words and shorten it a bit. In 25 mins at most

What is the slope of the line? 7x + 2y=5 A. 7/2 B. -7/2 C. -2/7 D. 2/7