samiarana927 samiarana927
  • 11-06-2018
  • Mathematics
contestada

If x+y=10 and x-y=4,find the value of x*x-y*y

Respuesta :

caylus
caylus caylus
  • 11-06-2018
Hi,
[tex]x^2-y^2=(x+y)*(x-y)=10*4=40[/tex]
Answer Link

Otras preguntas

what is the product of 7/16, 4/3, and 1/2?
What kind of clause is, whenever he has time. 1.Noun 2.Adverb 3.Adjective
Jane is observing a cell under an electron microscope. She identifies an organelle having an outer and an inner membrane. She also notices that the outer membra
Ally is making a scale diagram of her classroom. She uses a scale factor of 3 centimeters per foot to draw the diagram. The actual length of the classroom is 18
Fred works for $8.75 per hour. His regular hours are 40 hours per week and he gets time and a half for overtime. One week he works 47.5 hours. He wants to calcu
What form of matter is "vapor"?
How old would you be today if you were born in 1977?
The U.S. Supreme Court ruled a woman had the right to an abortion based on which amendment
A 40 kg dog is sitting on top of a hillside and has a potential energy of 1,568 J. What is the height of the hillside?
Which type of punctuation signals the reader that the information is a direct quotation? brackets quotation marks parentheses ellipses