staysshyanne staysshyanne

20-01-2020
Mathematics

contestada

I am thinking of a positive number. If I square it, double the result, take half of that result, and then add 12, I get 21. What is my number?

Respuesta :

bunnyhop6803 bunnyhop6803

21-01-2020

Answer:

3

Step-by-step explanation:

work backwards.

x^2*2/2+12=21

x^2+12=21

x^2=9

x=3

Answer Link

Otras preguntas

Contrastes Fill in the blanks Activity Textbook Instructions Complete each phrase with the opposite of the underlined word. Follow the model. April 10 11:59 PM

Find the median of the following set of data. 52, 84, 94, 102, 94, 89, 73

__________ is a type of disorder in which an individual may have a partial or complete loss of physical function that does not have a medical explanation. A. So

How is the resolution of the endgame different from a typical resolution in drama

Program which provides healthcare to those on welfare

how would walls affect people who get isolated in a country and those people who get excluded from in entering the country

Choose Sarah has a new car,( doesn’t-don’t-hasn’t)she?

Can someone please answer the question on the image provided? Please, and thank you.

What is the role of insulin as it relates to body fat storage.

When should a person use collaborative decision making