an ellipse has eccentricity 1/3. find the distance between two directrix if the distance between foci is 3.

an ellipse has eccentricity of 1/3. find the distance between 2 directrix if the distance between foci is 3.

find the area of an ellipse given the equation 9x^2-36x+25y^2=189

A player shoots 36 baskets and scores 93 points,in a combination of 1 point free thows, 2 point shots and 3 point[..]

A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for[..]

Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they[..]

In this problem, we analyze the profit found for sales of decorative tiles. A demand equation (sometimes called a[..]

2) Explain the difference between the square of a number and the square root of a number.

flying with the wind, a plane traveled 450 miles in 3 hrs. Flying against the wind, the plane traveled the same[..]

A tree casts a shadow 14 feet long. At the same time, a vertical rod 6 feet high casts a shadow 4 feet long. How[..]