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

The nutrition committee at a middle school has decided to find out which vegetables are most popular among the 500 students at the school. Which sampling method
what is the point of culture
What are the basics of the stock market and how does one put these basics into play?
YO HELP ME OUT!!!! Question is in the screenshot below PLEASE answer correctly, I am running out of time!
Dear Sir or Madam: I am responding to your ad seeking data managers. I feel am highly qualified for the position and have a great deal of relevant experience. I
Which expression is equivalent to the expression 512^1/4÷4^1/8−(10−32^1/5)? ANSWERS: A: 2^5/2-8 B:-6 C: -4 D: 2^9/4 --------- 2^1/4-8
How did you weigh the different pieces of evidence to reach a conclusion to questions (2) and (3)? What evidence was most important, what was least important, e
Help pleaseeeeeeee!!!
Find the quotient of -32/15 divided by -4/5
help :> me no understand