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Math  PreCalc (12th Grade)
Which rectangular equation corresponds to these parametric equations? x = 0.2sec t and y = 0.25tan t A) 25x^2 − 16y^2 = 1 B) 25x^2 + 16y^2 = 1 C) x^2 − 16y^2 = 25 D) 25y^2 − 16x^2 = 1 E) 4x^2 − 16x^2 = 1
asked by Anonymous on March 24, 2014 
math
how would you simplify this ((x^2+2xy+y^216)/(16x^416y^4))/((x+y4)/(4x^2+4y^2))*((x+y)/(x+y+4))
asked by mike on May 13, 2009 
math help urgent
what di di do wrong in this??? the question is: x8y=18 16x+16y=8 i did : first multiplied the first equation with 2 then 2x16y=36 16+16y=8  14x=28 x=28/14 x=2 now x8y=18 (2)8y=18 8y=18+2 8y=20 y=20/8 y=
asked by Anonymous on January 7, 2009 
Algebra 2
16x^2+16y^216x+24y3=0 How do I solve this?
asked by Soto on April 8, 2010 
Math I really need help!
Multiply and simplify by factoring. Assumem that all expressions under radicals represent nonnegative numbers. ∛(y^13) ∛(16y^14) ∛y^13 x 16y^14 ∛16y^27 Am I even close here?
asked by Sabrina on September 25, 2010 
math
x8y=18 16x+16y=8
asked by sierra on March 6, 2009 
Math
I sent this in a little while back but the file got corrupted and I have to re do it and I forgot the answer please if it is not done today I fail the year. Simplify the polynomial 16x^2 + 2 + 2x  15x^2  1 + 14x A:31x^2 + 16x +
asked by Random on June 6, 2016 
Algebra
There are two solutions to  16x  5  = 3. The greatest solution is ___. Since the expression, 16x  5, can be either positive or negative, solve for both. 16x  5 = 3 16x = 8 x = .5 (16x  5) = 3 16x + 5 = 3 16x = 2 x = 1/8
asked by Juri on July 23, 2007 
algebra
Solve the system by addition or substitution. 16x4y=20 y=4x4 I ask for help with this and forgot to add the problem. can anyone help me understand how to do this? 16x4y=20 4x+y=4 ___________ 16x4y=20 (4)(4x+y=4)
asked by struggling on May 26, 2007 
Calc, Implicit Differentiation
Regard y as independent variable and x as dependant variable and find the slope of the tangent line to the curve (4x^2 + 2y2)^2  x^2y = 4588 at point (3,4). Correct answer is 0.668827160493827 Here's what I did: 2(8x(dy/dx) +
asked by Michael on October 21, 2006