advbidurkhadka advbidurkhadka

13-03-2021
Mathematics

contestada

The mean of 20 items is 40 and the mean of
another 30 items is 60. What is the mean of
de angles of
whole set of items?

Respuesta :

13-03-2021

Answer:

At this point just choose a mean thats half of the value

Answer Link

lucarion lucarion

13-03-2021

Answer:

Just divide the value by 2 and you will get the mean

Answer Link

Otras preguntas

Which expression represents the algebraic phrase “the sum of negative three-eighths and four times x minus nine times z”?

(like Ross 6.28) The time that it takes to service a car is an exponential random variable with rate 1. (a) If Lightning McQueen (L.M.) brings his car in at tim

Ed found 3 eggs were cracked. If 15% of the eggs he looked at were cracked, how many total eggs did Ed look at?

Five people come to a party and shake hands with each other. If each person shakes the hand of every other person, how many handshakes occur

What is the value of the expression below? 7-2-4.5x3-8

the perimeter of this shape is 30 feet. what is the length of the missing side

what is the process for calculating volume of a cone

Investigator Robbins is called to the scene of a robbery. The officer on the scene thinks that the suspect entered the home from the garage. As Investigator Rob

A closed-pipe resonator has a length of 1.73 m. The frequency of its second harmonic if the speed of sound is 343 m/s is: a)49,5 Hz b)99.13 Hz c)20.6 Hz d)72 Hz

25 POINTS!!!!Which of the following statements are true? Select all that apply. A + B = B + A C - D = D - C B + 0 = B E - C = E + (-C) |A| = |E|