matthewyork2063 matthewyork2063

03-08-2018
Mathematics

contestada

If the average of 12 numbers is 14 and the average of 4 of those numbers is 18, what is the average of the other eight numbers?

Respuesta :

ciara180 ciara180

03-08-2018

(8 + X + Y)/3 = 12

multiply both sides of the equation by 3 to get 8 + X + Y = 36

subtract 8 from both sides of the equation to get X + Y = 28

So, the sum of the 2 missing numbers is 28

Answer Link

Otras preguntas

what is the triboelectric effect?

1. Did President Reagan and the United States military "defeat" the Soviet Union to end the Cold War? Why? Why not? 2. Describe the role of General Secretary G

9. Latoya's mom makes her a birthday cake in the shape of an "L". Latoya loves frosting, so her mom covers the entire outside of the cake in frosting, even the

To what extent have social movements had an impact on policy making of the government?

1+2-3+4+5-6+7+8-9...+97+98-99

The table below shows how the age of a certain tree is related to the diameter (width) of its trunk. How old (in years) is a tree whose trunk is 11 inches in di

17. _______ energy is energy that is stored or waiting to be used. Mechanical Kinetic Electrical Potential

If a company reports operating profit of $70 million, earns net income of $50 million in year 8, has 20 million shares of common stock outstanding, pays a divid

how does the prince speech in the opening scene increase tension in the play

Help me out, please!