DStacy01 DStacy01
  • 02-10-2014
  • Mathematics
contestada

Three times a number plus twice another is 10, while their sum is 10, Find the numbers

Respuesta :

mariamikayla
mariamikayla mariamikayla
  • 02-10-2014
[tex]3a+2b=10 \\\\ a+b=10 \\\\ \boxed{a=10-b} \\\\ 3(10-b)+2b=10 \\\\ 30-3b+b=10 \\\\ -b=10-30 \\\\ -b=-20 \\\\ \boxed{b=20} \\\\ a=10-20 \\\\ \boxed{a=-10}[/tex]
Answer Link

Otras preguntas

Maria quiere que yo le blank mi numero de telefono
How much do the moon and clouds affect earths day
Almost half of Russia’s land is _____. tundra steppes forest mountains
you are standing 1 meter away from a convex mirror in a carnival fun house. How would you look in the mirror
According to martin seligman , people who exhibit _____ are more likely to _____.
How do electrocardiograms affect people? a. Positively, it helps to diagnose heart disease c. Negatively, it can tell others when you are lying b. Negatively
Clastic sedimentary rocks form in different depositional environments. the size and shape of the clasts are paramount to determining the type of rock that is fo
What percent of 638 is 235? Round to the nearest tenth of a percent.
Which statement is not true of frequency tables? a.) The number of tallies should equal the sum of frequencies. b.) If there are intervals, they should always b
which future president was involved in the investigation into Alger Hiss?