14-03-2019
Mathematics

contestada

The square root of the sum of a number is 4 is 5. Find the number. What is it?

Respuesta :

tramserran tramserran

14-03-2019

Answer: 21

Step-by-step explanation:

[tex]\sqrt{n+4}=5\\\\(\sqrt{n+4})^2=(5)^2\\\\n+4=25\\.\underline{\ \ -4\ \ -4}\\\boxed{n\quad \ =\ 21}[/tex]

Answer Link

Otras preguntas

If the value of the CPI in 2010 was 218.1 and the value of the CPI in 2011 was 224.9, calculate the annual rate of inflation over that period (round your answer

Indicate whether each of these items is an asset, a liability, or part of stockholders’ equity. a. select a balance sheet section Accounts receivable. b. sele

Audrey Sanders sells closet organization systems. She is paid a commission of 5.14% of her first $1,500 in sales during the week and 10% on all sales over $1,50

Bank's Department Store has three departments: Men's, Women's, and Children's. The store incurred $50,000 of store rental costs during the current year. The dep

In the book called , “The Outsiders”, does Ponyboy exhibit “herd behavior” and is he like the other greasers?

A reader needs to understand how words are being used in a text to _____ the meanings. A.) imagine B.) contrast C.) draw D.) analyse

(-3/5) (-10/3) (-2/9)

Linda and her mom want to start a company selling homemade brownies to large supermarket chains. To get started, they have created an office in the apartment ab

Feminist sociologists and feminist approaches to the sociology of the family have made important contributions to our understanding of the family. Which of the

Liquid octane CH3CH26CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. If 2.80g of carbon dioxide is produced f