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

Two classmates have decided to read all the volumes in a popular series of books. Carly has already read 10 volumes and will continue to read new ones at a rate

please helpppppppppp

What does a person hope to gain from this pilgrimage?

Find the missing side length.

factorize: 4x²-3y-6x+2xy

PLZ HELP WILL MARK BRAINLIEST TO THE QUICKEST CORRECT ANSWER!Describe how to translate the graph of y=√x to obtain the graph of .y=√x+20(the 20 is also under th

How can people use physical and human geography to understand the history of early civilizations?

33. The compound C2H2 belongs to the series of hydrocarbons with the general formula A CH, B C2 H2o C. C,H2n-2 D. C2.H2n-2

The Punic Wars were a major turning point in Roman history. Why was this?

Please answer correctly I still need help on this. I will give brainliest (No links or fake answers will receive no brainliest) How many grams of AlCl3 are need