vmorgan4997
vmorgan4997 vmorgan4997
  • 02-05-2017
  • Mathematics
contestada

The sum of the digits of a certain two-digit number is 7. Reversing its digits decreases the number by 27. Find the original number.

Respuesta :

lisee7 lisee7
  • 02-05-2017
X+Y= 7
Y-X= 27
2y=34
Y=17
X=-10
-10+17=7
17--10=27
Answer Link

Otras preguntas

what have anthropologists learn about how Homo habilis used the tools they fashioned
94.99 in expanded form
A scuba diver is swimming 15 feet below the water’s surface. The diver swims up slowly at 0.5 feet per second for 4 seconds; and then stops to look at an ee
Describe the significance of the “willingness to change” as it relates to korean air and the significant problem solving skills that are needed.
​megan hughes deposits $2300 in an account that pays simple interest. when she withdraws her money 8 months later, she receives $2484.00. what rate of interest
how to find the sum of 2+4+6....+40?
The study of how hormones function is called
What is the answer for this problem
how do you place each group of decimals in order from greatest to least 0.058, 0.0099, 0.105, 0.02999?
What's the difference between almond flour and regular flour?