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

03-09-2021

Answer:

Extra number = (23×20) - (19×17)

= 137

Answer Link

Otras preguntas

A _______ is a repeating disturbance or vibration that transfers or moves energy from place to place without transporting mass. force wave vacuum medium PLZ hel

Solve 4/9x+7=1/2. Solve 1/8x−12=3/4.

Which sentence has a pronoun with an unclear, missing, or confusing antecedent? A. The can was empty, so I put it in the recycling bin. B. I took a petal off

Antislavery Whigs, Democrats, and Free-Soilers joined together to form the a. Northern Party. c. Republican Party. b. Abolitionist Party. d. Antislavery Society

Fred buys a video game disk for $4. There was a discount of 20%.What is the sales price

Which of the following served primarily to provide employment to young adults? the Tennessee Valley Authority the Works Progress Administration the Civilian Con

The forces trying to overthrow the republic in the Spanish Civil War were led by __________.? Eduard Benes Francisco Franco Leon Blum Juan Carlos

Which observation would most likely be made before an experiment? measuring plant growth in response to different fertilizers determining the mass of a product

Which statements accurately describe Enlightenment ideas? Choose all answers that correct A Oliver Cromwell closed Parliament by force and ruled England as a mi

The height of a sunflower plant varies directly with its age.Once it has sprouted from the ground, when a sunflower is 2 weeks old, it is 38 centimeters tall. W