Ask a New Question

Question

Find a positive real number such that its square is equal to 4 times the number, increased by 60.
9 years ago

Answers

Reiny
Did you translate the English into Math?

I said:

x^2 = 4x + 60

now you have a nice and simple quadratic which factors.

x^2 - 4x - 60 = 0

solve for x, and take only the positive result



9 years ago

Related Questions

A positive real number is 1 more than its reciprocal. Find the number: A. [1-sqrt(5)]/2 B. 2... Find two positive real numbers that differ by 1 and have a product of 1. Find three positive real numbers whose sum is 52 and whose product is a maximum????? For some positive real number r , the line x+y=r is tangent to the circle x^2+y^2 = r. Find r. H... find 3 positive real numbers whose sum is 500 and whose product is as large as possible. Find two positive real numbers x and y such that they add to 120 and x^(2)y is as large as possible Find two positive real numbers whose product is a maximum. (Enter your answers as a comma-separated... A positive real number is 8 more than another. If the sum of the squares of the two numbers is 72, f... Find two positive real numbers such that the sum of the first number and the second number is 42 a... For a positive real number​ a, the graph of which of the following polar equations is a circle with...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use