amaa
Popular questions and responses by amaa
precalculus
Solve the given equation. (Enter your answers as a commaseparated list. Let k be any integer. tan θ = − sqrt 3/3
asked on November 30, 2012 
math
A tree on a hillside casts a shadow 200 ft down the hill. If the angle of inclination of the hillside is 23 to the horizontal and the angle of elevation of the sun is 54, find the height of the tree. Please round the answer to the nearest integer.
asked on November 29, 2012 
precalculus
Find the focus, directrix, and focal diameter of the parabola. 9x + 7y2 = 0 my answers were focus = 9/28,0 fd =9/7 directrix= 9/28 (this ans. is incorrect) what am I missing? pls help
asked on December 1, 2012 
math
Find the values of the trigonometric functions of t if tan t= 3 and the terminal point of t is in quadrant III.
asked on November 29, 2012 
precalculus
A pilot flies in a straight path for 2 h 30 min. She then makes a course correction, heading 7 degrees to the right of her original course, and flies 3h in the new direction. If she maintains a constant speed of 695 mi/h, how far is she from her starting
asked on December 4, 2012 
math
Find the vertices, foci, and eccentricity of the ellipse. 64x^2 + 81y^2 = 5184
asked on November 30, 2012 
math
Find the vertices, foci and eccentricity of the ellipse.Thank you 9x^2 + y^2 = 81
asked on November 30, 2012 
precalculus
Find all solutions of the system of equations. (If there is no solution, enter NO SOLUTION.) 4x^2− 27y^3 = 35 8x^2+54y^3= 74
asked on December 1, 2012 
precalculus
Find the focus, directrix, and focal diameter of the parabola. x = −4y2 I answered everything right except the directrix. which my ans was 1/16.
asked on December 1, 2012 
math
Find the vertices, foci, and eccentricity of the ellipse. Thank you. x^2/16 + y^2/25 = 1
asked on November 30, 2012 
biochemistry
discuss at least six factors affecting the performance of an enzyme. Thank you.
asked on December 1, 2012 
precalculus
Find all solutions of the system of equations. Order your answers from smallest to largest x, then from smallest to largest y.) x^2 + y2= 53 x2− y2= 3
asked on December 1, 2012

math
thanks I got it right.
posted on November 30, 2012 
geophysical science
i think the displacement will be zero because you went back so you displaced but back to your normal position. but i am not sure of the distance traveled.
posted on June 8, 2010