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

The sum of three consecutive integers is 141. what is the smallest integer

Gandhi’s nickname, mahatma, means enlightened one. great soul. happy one. peaceful soul.

How did Charles Martel impact Europe during the Middle Ages? A- He reunited the Franks to fight to fight off Muslim Invasion. B- He united eastern and western

Help me with this please

What type of punctuation should not typically be used in any kind of formal or professional writing?

jean cost $45, they are now priced $40. find the percent of change from $45 to $40

what might be considered a reason for germany's inability to maintain alliances with russia?

in which phase of matter are the atoms closely packed but still able to slide past each other?

cuanto vale el dolar en moneda peruana

A distinct biological characteristic that can be passed from one generation to the next is commonly known as a