Seudónimo Seudónimo
  • 03-09-2021
  • Mathematics
contestada

The mean of 19 numbers is 17. An extra number is included and the mean increases to 23. What is the extra number?

Respuesta :

Melody08
Melody08 Melody08
  • 03-09-2021

Answer:

Extra number = (23×20) - (19×17)

= 137

Answer Link

Otras preguntas

How did the Incas unite the Andes Mountains?
Please help..............
Factor the polynomial by its greatest common monomial factor.
Now it's your turn to investigate human impact around the world. Grab your virtual lab coat and put on your environmental science hat. You will be taking a trip
explanation of bicarbonate
PLZ HELP ( true - False) All triangles have interior angles whose measure sum to 90.
Help with Spanish hw
What is the value of a?
What is a fraction equivalent to 1/3
How are calculation for velocity and speed different