chanchan70 chanchan70

01-12-2018
Mathematics

contestada

x^2-2y/y when x=20 and y=x/2

Respuesta :

Karsen4 Karsen4

01-12-2018

Answer:

I believe its 398

Step-by-step explanation:

Answer Link

WimpyNate WimpyNate

01-12-2018

Answer:

398

Step-by-step explanation:

x^2=400

substitute for y, 2y/y=(2*x/2)/(x/2)=x/(x/2)=x*(2/x)=2

400-2=398

Answer Link

Otras preguntas

Write the expression as a single logarithm.

why do some humans gravitate to certain spiritual belief

What conditions are required for a solar eclipse?

you can walk 1 1/2 miles in 1/2hour. what is your average speed?

Choose the correct subject pronoun (tú, usted, ellos, ellas, ustedes) to complete the sentence. ___________ son mis hermanos.

The Mayan civilization had begun to collapse by _____ due to frequent warfare, overpopulation, over farming and exhausted soil, and peasant revolts because of h

PLEASE HELP!! IMAGE ATTACHED find the measure of angle 2

You make both rocking chairs and bar stools. You charge $100 for every rocking chair and $40 for every bar stool. Which expression represents your income if you

Which type of cells in a plant normally have the most chloroplasts?

Based on these passages, what is the main difference between the teachings of W.E.B. DuBois and Booker T. Washington?The excerpt below is from "Of Mr. Booker T.