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

Which of the following quotes would make you believe the speaker may have an unhealthy body image? A. “My doctor said I am obese, but I kind of knew that.” B

is y=2000e^-0.273x a Growth or Decay ?

PLEASE HELP!!!Expand?A. 7 + 12 + 17 + 22 + 27 + 32B. 3 + 4 + 5 + 6C. 7+ 12 + 17 + 22 + 27D. 17 + 22 + 27 + 32

how many syllables does contentious have

Penicillin N is an antibacterial agent that contains 8.92% sulphur by mass.Which could be the molar mass of Penicillin N? a)256g/mol b)360g/mol. c)390g/mol

Find the value of x (sines and cosines)

Shane started FFA with a pig that weighed 120 pounds. After six weeks her pig gained 30% in weight. what is the new weight of shyanne's pig?

What was the significance of Roosevelt’s “fireside chats”?

What were problems faced by the allies powers after ww2

Which factor is an aspect of social health?-how others react to you-how you meet demands in everyday life -how you get creative -how you express your feelings i