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

Please answer ASAP!!!!! I need serious help

Nasa wanted to know if extended periods of weightlessness would have an impact on long-term circulatory function. the agency located seven former astronauts who

Which of the following is an example of an aerobic activity that improves cardiovascular endurance? a. Step aerobics b. Weight lifting c. Yoga d. Breathing exer

The question is how far is Port A from Port by the shortest route?

If you can buy 2⁄3 of a box of chocolates for 5 dollars, how much can you purchase for 4 dollars? Write your answer as a fraction of a box.

There is 6/8 of a cake left over after a birthday party how many 1/4 peices can be made from the left over cake?

In an AABA form , the B section would most likely be heard how many times?

Brady knows that the brakes on his car do not work, but he tells celia, a potential buyer, that there are no problems with the car. on this assurance, celia buy

How to use sharpner dust [litter] in 5 useful ways ?

The scientific study of the relations between mental and physical processes is a definition of ____. wundt's psychology cranioscopy psychophysics weber's law fe