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 did the Europeans want from Aran traders ?
If the U.S. were a confederation, which of the following would be a problem it might encounter?
One state leads the country in tart cherry​ production, producing 80 out of every 100 tart cherries each year. a. What percent of tart cherries are produced in
PLEASE HELP ASAP!!! GIVING 20 POINTS AND BRAINLIEST!!!! If one gallon is the same amount as 16 cups, how many cups equal 2.5 gallons? (Only input whole numbers.
Mia jogs 3 km in 20 minutes there are about 0.6 miles in a kilometer what is Mia’s approximate speed in miles per minute
Solve for t[tex] \frac{3t + 3}{5} = 6[/tex]
Write two decimals that are equivalent to 8.1
PLS HELP! 20 PTS Use rounding to determine if the answer is reasonable. Round each of the factors to the nearest ten, then multiply. 587 × 92 = 54,004
What were the benefits to US for getting involved in imperialism? What were the drawbacks? How did the world view the US before and after they started imperiali
Drag a statement or reason to each box to complete this proof.