chanchan70
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 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

Evaluate the expression when r = 8.2 and s = –3.7. r – 2s a. –22.94 b. 0.8 c. 4.5 d. 15.6
What percent of 925 is 37%
5. Which of the following sentences contains an italicized word that's used as a predicate adjective? A. Jerry looks ill today. B. Jerry looks at the map. C. Je
five ninths times the difference of f and 32
How does the cell theory describe the levels of organization of living organisms ??? Help plezz and I will be thank to u so much
Trisha graphed the relationship between yards and feet, with yards along the x-axis and feet along the y-axis. The relationship is proportional. Which statement
What is the area of a rectangle with vertices at (4, 3), (11, 3), (11, 9), and (4, 9)?
Why has the physical description of the hero changed throughout the years? A. To prove that authors can create original characters B. To allow for the advanceme
Which type of energy drives the water cycle? a. solar b. wind c. geothermal d. nuclear
What percent of 350 is 252