Victorlopezcarrasco Victorlopezcarrasco

03-06-2017
Mathematics

contestada

The average of three numbers is 94. The average of four different numbers is 87. What is the weighted mean of all the numbers together?

Respuesta :

Аноним Аноним

03-06-2017

((94 * 3) + (87 * 4)) : 7 = (282 + 348) : 7 = 630 : 7 = 90 - answer.

Answer Link

Otras preguntas

where were the majority of industries

Find the quotient of 4/12÷ 4/12 =

What was Barkley's opinion of the American public?

factor the expression 24y+88x

A hiker gets caught in a snow storm and must find shelter and build a fire to keep warm. What type of conflict is this?

All BUT ONE of these scientists worked on the development of the double helix model of DNA. The scientist NOT involved in this research was A) Crick. B) Frankl

14.30 6 3/4 sales tax

now 11. why is math so hard

WILL GIVE A BRAINLEST A plant that stores water in its tissues is called a _____. succulent shrub grass weed

A truck with a heavy load drove from Boston to New York at 45 mph. After unloading, it returned from New York to Boston at a speed of 65 mph. What was its avera