WinfredUmanzor WinfredUmanzor
  • 22-04-2014
  • Mathematics
contestada

If n is even, which of the following cannot be odd?

a) n + 3
b) 3n
c) n² - 1,
Can you please explain with some details?

Respuesta :

runescapememo8 runescapememo8
  • 22-04-2014
b) 3n
well, first of all, you can try it out with numbers like 4,6,28...
3(4)
=12
3(6)
=18
3(28)
=84

also, you can disprove the other theories
a) 0+3=3 (odd)

b) 4^2-1=15 (odd)



Answer Link

Otras preguntas

find (f-g)(x). What is the domain of f/g f(x)=2x-5 g(x)=2-x
state whether ordered pair of numbers is a solution of the sentence:3y>2x+1;(4,3)
explain the cross section of leaf
Why did the Spanish explore the New World in the early 1500s?
Revenue of 2000. Labor cost of 320.What is labor cost as percentage of revenue
Explain the significance of the equation y = 50x + 20 which represents the hourly cost of a car repair.
How can I anwser this one? ? 4x2+16x=0
Help me please machiavellian 1. a hodge-podge of writings all mixed together 2. utterly revolting; appalling; extremely wicked/brutal/cruel 3. methodology of ga
How can I anwser this ?? help me
Find th equation of the line below.If necessary, use a slash to indicate a division bar.. (2,14) (1,7)