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

Write the equation in slope-intercept form. 2/3(6y+9)=3/5(15x-20)

how to draw model to represent the product of 18x34

What happened to all of the heat Earth had when it formed

The density of gold is 19.3 g/cm3. The density of iron pyrite is 5.0 g/cm3. If a nugget of iron pyrite and a nugget of gold each have mass of 50g, what can you

how to estamite 787÷2

Regions of biomes that are an inconsistent mixture of fresh and salt water include ______. Select one: a. ponds b. lakes c. streams d. estuaries

How do landforms link the geography of Canada to the United states.

The question says, A baseball player reaches first base 30% of the times he is at bat. Out of 50 times at bat, about how many times will the player reach first

Which words in the sentence make up the participial phrase? Kerri, Tony, Marvin, and I, confused by the signs, took the wrong exit for the mall. A. confused b

Which words in the sentence make up the infinitive phrase? On our way to the store, can we plan to stop by the farmer's market? A. to stop by the farmer's mar