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 are the three types of body membranes?
for f(x)=3x+1 and g(x)=x^2-6, find (f-g)(x)
The function f(x) = x2 + 22x + 58 is translated 4 units to the right and 16 units up. What is the vertex form of the new function? (x – 11)2 + 58 (x + 22)2 – 1
Please help me ASAP. Triangle Angle Theorems The value of x is _____?
Proteins are transported via axoplasmic transport at slow rates (0.5 to 2 mm per day) and fast rates (200 to 400 mm per day). The difference in transport rate d
Tecumseh and______ lost the Battle of Tippecanoe against William Henry Harrison and the US Army.
Which element is part of the rhetorical situation? A. Propaganda B. Hyperbole C. Audience D. Format
how the Industrial Revolution came to the United States.
Find the length of RJ
In which of the following ways did Alexandria help preserve Greek culture? 1.Alexander the Great married Alexandria, who adopted Greek customs. 2.Alexandria too