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

85 POINTS!!!!!! Describe the graph of y = -|x + 4| - 5. 9(For 85 points it should at least be a sentence or two)

3 An egg is thrown upward with an initial speed of 4 m/s. After 6 seconds, the egg's velocity is m/s

A watermelon weighs 4.2 kg and a pumpkin weighs 2 kg 250g Express the total weight of the items in kilograms. (30 points

How are you feeling today

d Bula drives to work and back every day. One way, the trip is fifty miles. How many miles does she drive in five days?

3 An egg is thrown upward with an initial speed of 4 m/s. After 6 seconds, the egg's velocity is m/s

Determine the perimeter of the right triangle shown. Round your final answer to the nearest whole number, if necessary. right triangle with vertices at negative

Maxine compiled a list of these car prices:$7,500,$6,500,$5,750,$4,900,$6,250 and $4,200.Find the mean of these prices

In the figure, angle A measures 38 degrees and angle D measures 26 degrees. What is the measurement of angle E?

85 POINTS!!!!!! Describe the graph of y = -|x + 4| - 5. 9(For 85 points it should at least be a sentence or two)