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

how does snow incorporate the voices of others in his memoir

Courage is defined as the ability to do something that frightens you or a show of strength in the face of great pain or grief. Think about someone from history

a food chemist salary is between 50000 to 100000 what is the median salary of this job

5) Which sentence uses commas correctly? a) The teachers, who live in Michigan, often drive through the snow. b) The teachers who live, in Michigan, often drive

This gets me every time idk how to do this if you add or not

Which stem and leaf plot represents the data?

¿Qué palabra completa correctamente la frase que sigue? Es necesario que _____ un cuaderno. traigas traer traes

Order these from lease to greatest 500g 50kg and 5000mg

Emerging adult jaqueline is a heavy social media user. she tends to have _____ face-to-face friends than do nonusers.

What is the general form of the equation for the given circle centered at O(0, 0)? a) x2 + y2 + 41 = 0 b) x2 + y2 − 41 = 0 c) x2 + y2 − 41 = 0 d) x2 + y2 + x −