Saturday

October 25, 2014

October 25, 2014

Posted by **Anonymous** on Wednesday, March 27, 2013 at 11:58am.

- Algebra -
**Steve**, Wednesday, March 27, 2013 at 12:24pmd = √(4+(y-5)^2) + √(9+(y-9)^2)

dd/dy = (y-5)/√(4+(y-5)^2) + (y-9)/√(9+(y-9)^2)

= [(y-9)√(4+(y-5)^2) + (y-5)√(9+(y-9)^2)]/(√(4+(y-5)^2) * √(9+(y-9)^2))

dd/dy=0 when

(y-9)√(4+(y-5)^2) + (y-5)√(9+(y-9)^2) = 0

y = 33/5

a+b=38

**Answer this Question**

**Related Questions**

Geometry - The value of y that minimizes the sum of the two distances from (3,5...

Geometry - The value of y that minimizes the sum of the two distances from (3,5...

Maths - The value of y that minimizes the sum of the two distances from (3,5) to...

Algebra - a and b are positive numbers that satisfy the equation \frac {1}{a...

Algebra - If a, b and c are non-zero reals such that a + b + c = 11 and \frac {1...

Algebra - If a, b and c are non-zero reals such that a + b + c = 11 and \frac {1...

Algebra - Let \phi(n) be the Euler Phi Function. If 1 \leq n \leq 1000, what is ...

Algebra - Given the system of equations \begin{cases} x(x+y) &=& 9 \\ y(x+y...

Algebra - How many ordered pairs of solutions (a, b) are there to \frac{a}{b...

math - The sum of the distances two hikers walked is 53 mi, and the difference ...