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

Which logarithmic equation is equivalent to the exponential equation below? 70.81=e^a A. Log70.81 4.26=e B. In 70.81=a C. Loga70.81=4.26 D. In a=70.81
Select the correct properties of slope below. select all that apply I WILL GIVE BRAINLYEST IF YOU GET IT RIGHT A.The slope of a flat line should be close to 0.
The set of life spans of an appliance is normally distributed with a mean mc012-1.jpg = 48 months and a standard deviation mc012-2.jpg = 8 months. What is the z
In which type of essay would you expect to find the following passage? As the days get longer, the ground begins to warm. Then, the spring rains moisten t
How does a health savings account (HSA) help people save money?
in a firework display, energy is released in___?
How much time does it take for a squirrel to run 134 meters at a speed of 12 meters per second?
Solve the inequality. k + 4 – 2(k – 12) > 0
how do i translate (7,4)
n a device like the one shown below, the cylinder is allowed to fall a distance of 300 m. As a result, the temperature of the water increases by 2.7°C. What wou