angie178
angie178 angie178
  • 03-05-2017
  • Mathematics
contestada

How can I show that a * b = a+b+ab/100 is commutative?

Respuesta :

LammettHash
LammettHash LammettHash
  • 03-05-2017
* is commutative if a*b = b*a.

[tex]b*a=b+a+\dfrac{ba}{100}=a+b+\dfrac{ab}{100}=a*b[/tex]

so the operation must be commutative because the component operations (addition and multiplication) are commutative.
Answer Link

Otras preguntas

Bianca has to drive 180 miles to her aunts house. She drove 30% of the total distance before lunch. How many miles did Bianca drive before lunch?
Jeremy made 65% of the free throws he attempted in one basketball season. He made 39 free throws. How many free throws did Jeremy attempt?
Franklin Roosevelt put his plans for national recovery into action immediately. a. True b. False
The excretory organs found in flatworms and earthworms are called _____. a)kidneys b)Malpighian tubules c)nephridia d)nephrons
About 37 percent of Ohio's land was used for farming.
What is the Harlem Renaissance?
i need some idaes about a thesis statement about exctint animals!
1/8 closer to 1 than 4/6
RECOMMEND TWO WAYS IN WHICH A FRIEND WHO RESPONDS TO CONFLICT BY CONFRONTATION SHOULD APPROACH CONFLICT RESOLUTION INSTEAD
Daniel Ellsberg released copies of a U.S. military report commonly referred to as A. Nixon's Notes. B. the War Papers. C. the Pentagon Papers. D. the Vietnam