randomdude
randomdude
24-03-2015
Mathematics
contestada
is 81x squared minus 1 a perfect square
Respuesta :
AL2006
AL2006
24-03-2015
No. It's the product of (9x + 1) and (9x - 1) .
Answer Link
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
A statistics professor receives an average of five e-mail messages per day from students. Assume the number of messages approximates a Poisson distribution. Wha
What is the solution to the equation StartFraction 3 Over m + 3 EndFraction minus StartFraction m Over 3 minus m EndFraction = StartFraction m squared + 9 Over
(URGENT) What system in the body carries information from the glands and organs to the brain? A. Lobe system B. Neural Feedback System C. Endocrine System D. Ne
A large school district notices that about 26% of its sophomore students fail Algebra I. An online education supplier suggests the district try its new technolo
What is the following sum?
Question 12 of 50 Next QuestionUnsaved change Moving to the next question prevents changes to this answer. Nocum Corporation has provided the following contribu
Which of the following is evidence of a physical change? A) burning B) melting C) decomposing D) rusting
is domain of f(x,y) = 1 + (4 -y^2)^1/2 open, closed or neither is it bounded or unbounded?
explain factors that influence life expectancy
List the four possible results of the combinations of decisions and true states of nature for a test of hypothesis. Which of the following lists the four possib
