vickyly
vickyly vickyly
  • 01-09-2016
  • Mathematics
contestada

Find the greatest product using rational rational numbers with a sum of 20

Respuesta :

caylus
caylus caylus
  • 01-09-2016
Hello,

Let's be x and y the 2 numbers

x+y=20==>y=20-x
P(x)=x*y=x*(20-x)=20x-x²
Max(P(x))==>P'(x)=0= 20-2x==>2x=20==>x=10

A product is maximum is the 2 numbers are equals;

Numbers are 10 and 10 and product=100

Answer Link

Otras preguntas

Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the following equation.Point: (−1,−2)(−1,−2)Equati
Weights​ (in grams) of randomly selected chocolate candies are shown below. Find the​ mean, median, and mode of the listed numbers. 0.957 0.957    0.911 0.911
what is the definition of 'Price Elasticity of Demand'
can someone please answer this​
What is the easiest method to solve this equation?
Complete the sentence. The un- part of the word unreal is a _____ suffix. root. preposition. prefix.
A store which formerly sold peppers at 3 pounds for $2.00 changed the price to 2 pounds for $1.50. If x is the percent increase in the price per pound x= A)25%
Why are dashes rather than parentheses or commas used in this sentence
Which is the best sufficiently narrowed topic for a response to literature? "The Wild Swans at Coole" seems like the sort of poem an old man would write. The sp
Which indigenous group was most influential in Guatemala’s history? Carib Quechua Inca Maya