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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
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how would you simplify this ((x^2+2xy+y^216)/(16x^416y^4))/((x+y4)/(4x^2+4y^2))*((x+y)/(x+y+4))
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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=
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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?
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x8y=18 16x+16y=8
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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 +
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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)
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