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

What are the solutions of the equation x6 – 9x3 + 8 = 0? Use u substitution to solve. x = –1 and x = –2 x = 1 and x = 2

Which of the following best describes the set of numbers? -1, 2, -4, 8, ... Infinite arithmetic series Finite geometric series Infinite geometric series Infinit

Read this excerpt from Abraham Lincoln’s Emancipation Proclamation. What inference, or conclusion, can you draw from this passage? I do order and declare that

An astronaut drops a hammer from 2.0 meters above the surface of the moon. if the acceleration due to gravity on the moon is 1.62 meters per second 2, how long

What are small bodies composed of rna and protein that function as protein factories called?

Predict how many double helical molecules of dna will be present in the gametes of the fruit fly, drosophila, a diploid organism that has eight replicated chrom

easy English ! SOS.

Write a net ionic equation to show that hydrofluoric acid , hf , behaves as an acid in water.

What is the tone of this passage? Gloria was confused. She still was not sure she wanted to go to college. How would she decide? On the one hand, she would le

What was the purpose of the Code of Hammurabi in the ancient civilization of Babylon?