al8lumetaChEuse al8lumetaChEuse
  • 02-05-2017
  • Mathematics
contestada

What numbers multiply up to 81 and add to 36?

Respuesta :

wolf1728
wolf1728 wolf1728
  • 02-05-2017
A) x * y = 81
B) x + y = 36
A) x = 81 / y Substituting this into B)
B) 81/y + y = 36 Multiplying both sides by y
81 + y^2 = 36y
y^2 -36y +81 = 0
Solving by quadratic formula
x1 = 33.5885
x2 = 2.4115



Answer Link

Otras preguntas

What is the prefix for the word joyful
Start at 4. Create a pattern that multiplies each number by 5. Stop when you have five numbers.
how did western nations come to dominate much of the world in the late 1800s?
Y=1/6x+1 Y=-6x+2 Is this perpendicular or parallel lines
existing rocks can become sedimentary rocks when they are subjected to which conditions? a.) erosion, deposition, compaction b.) heat, erosion, pressure c.) hea
Once a bill is approved by both houses of the legislature, it becomes a law when A.the president or governor vetoes the bill. B.the House and Senate agree upon
6 less than the quotient of h divided by 2 is 10?
I need help with 2 math questions???
Which country’s contributions helped the Americans win the Revolutionary War? A. Portugal B. Spain C. France D. Holland
After the passage of the Seventeenth Amendment, how many senators were elected to serve each state?