marrisaannechow marrisaannechow
  • 01-07-2018
  • Mathematics
contestada

Find all two-digit numbers with the following property: difference of that number and the number with its reversed digits is 36.

Respuesta :

konrad509
konrad509 konrad509
  • 01-07-2018
[tex]10x+y-(10y+x)=36\\ 10x+y-10y-x=36\\ 9x-9y=36\\ x-y=4\\\\ x,y\in\{1,2,3,4,5,6,7,8,9\}\\ \Downarrow\\ x=5,y=1\\ x=6,y=2\\ x=7,y=3\\ x=8,y=4\\ x=9,y=5 [/tex]

There are 5 such numbers - 51,62,73,84,95
Answer Link

Otras preguntas

how is the sun bigger from the moon​
Many migrants have had their caps stolen, so they wrap their heads in T-shirts. They gaze enviously at villagers cooling themselves in streams and washing off a
Dan sold 40 concert tickets in 5 days. Each day he sold 3 tickets MORE than the previous day. The number of tickets he sold on the third day is?
Saudi Arabia along with the nations to the north and North Africa makeup which geographic region?
G E Which of the following segments is tangent to the circle ? 1) overline HL 2 ) overline DE 3 overline FG 4 ) overline AC
Answer these 10 questions for 30 points. serious answers only or report and low rating​
Cod fry often settle under the bell of some jellyfish species, whose tentacles are poisonous. Name the form of relationship illustrated by this example. Assume
Lead (II) acetate reacts with sodium hydroxide to produce lead (II) hydroxide and sodiumacetate. Please write the chemical equation and *don't* balance the side
diffrentiate between equation and chemical formula
resource". Review of Fourteenth Plan (2072/73-2075/76) shows that the poverty of Nepal se decreased to 18.7% from 21.6%. Why is poverty decreasing in Nepal? Giv