Haymond36 Haymond36
  • 26-03-2015
  • Mathematics
contestada

lee is thinking of 2 numbers, the product is 18.the quotient is 2. what are yhe two numbers?

Respuesta :

konrad509
konrad509 konrad509
  • 26-03-2015
[tex]xy=18\\ \dfrac{x}{y}=2\\\\ xy=18\\ x=2y\\\\ 2y\cdot y=18\\ 2y^2=18\\ y^2=9\\ y=-3 \vee y=3\\\\ x=2\cdot (-3) \vee x=2\cdot 3\\ x=-6 \vee x=6\\\\ \boxed{(x,y)=\{(-6,-3),(6,3)\}}[/tex]
Answer Link

Otras preguntas

Waste Management: The residents of two nearby apartment complexes agree to hire extra waste management services for the event day. The total cost for this one-d
A bag has 6 green balls and 4 yellow balls. What is the probability that 2 balls picked randomly and both of the same color? (THIS IS FROM A TEXTBOOK THE BOOK U
Match some of the above adjectives to the correct descriptions
1. What does handling information mean, and the legislation that relates to the handling of information?
The graph of y=√x is translated. The translation is defined by (x,y) → (x-3y +1). - Which is the graph of the translated image? -64 do k -2 -3 d 3 2 of
During an excursion to a pond, the students noticed frog eggs in a shallow part of the coastal area. When they examined the eggs, they noticed an interesting fa
Circumference of the circular phase of a cylinder is 44 cm and its height is 120 cm fi nd the volume of the cylinder
Click on the operation that should be changed to its inverse to make the equation true.
Essay to be accepted into nursing program sample
Задание по географии, помогите пожалуйста