Posted by **MIchaela** on Thursday, December 7, 2006 at 11:02pm.

Find two numbers whose difference is 42adn product s -405

Find two numbers whose difference is 42 and product is -405

Set up 2 equations and 2 unknowns.

x - y = 42

xy = -405

Then rearrange the second so y = -405/x, and substitute this value of y into the first equation. Can you take it from here?

x = 27

y = 15

i need help on this christmas trivia we were assigned to today please help

## Answer This Question

## Related Questions

- Calculus - Find two numbers whose difference is 132 and whose product is a ...
- math - Find: Two numbers whose sum -10 and whose product is 5. ;;; x+y = -10 x...
- Reiny! Reiny! Reiny! Answer Check and HW Help! - Translate to a system of ...
- mathematics-Algebra - I think of two whole numbers;the product of the average of...
- pre-calculus - Find two rational numbers such that the difference is 3 times the...
- Math - Suppose you have two numbers. The difference of the two numbers is 12. ...
- Math - Among all pairs of numbers whose difference is 88, find a pair whose ...
- Math - Find two numbers whose sum is 50 and whose difference is 6. So I'm going ...
- math - the difference between the sum of the two numbers and the difference of ...
- Calculus - Find the sum of two numbers whose sum is 70 and whose product is as ...

More Related Questions