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

Solve the following problems. It may be helpful to set up an equation. The sum of two numbers is 13, the difference is 4. What are the numbers? pls help

Which mammal is not a marsupial?anteaterkangaroo opossumwallaby

This a solving question Please please help

Find the height and area of an equilateral triangle with side lengths of 10 cm. Height:____cm Area:______cm² PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

give me 6 reasons from best to worst no links please will give you brainliest

. Aşağıdaki şekilde hazırlanan tampon çözeltilerin pH'larını hesaplayınız? a) 8 mmol NaCH3COO+ 200 mL 0.1 M CH3COOH b) 100 mL 0.05 M NaOH+ 100 mL 0.175 CH3COOH

Help! Can you solve this. I'll give brainliest

Read lines 4-6. Describe what is revealed to the reader .

a) 9/7b) 9/-7c) 7/9d) -9/7e) -9/-7

What pressure, in atm, will be exerted by 8 moles of a gas at 300 Kelvin if it is contained in a 50 Liter vessel?