Lv 112 points

Mao

Favorite Answers44%
Answers71
  • BPA in plastic ice cube tray?

    I know that heating plastic can make BPA go into your food. But what about freezing plastic would that have the same effect? I bought ice cube trays that don't mention BPA free on them and was just wondering if it is harmful in any way. what are your thoughts.

    2 AnswersOther - Food & Drink7 years ago
  • Pre calc help exact value, quadrant II?

    How do you solve this??

    Find the exact value of the expression given that sec x= -13/12 and

    csec y= 5/4, x and y are in quadrant II

    1) cos 2x

    2) sin 2x

    3) tan (x+ y)

    1 AnswerMathematics7 years ago
  • Pre calc sum or difference?

    I need help with these 2 questions...

    Write as a sum and/or difference:

    1) 1n( y radical three x^4 under the radical / radical x-3)

    2) log5 radical xy^16

    1 AnswerMathematics7 years ago
  • Pre calc. amplitude,period, phase shift and endpoint?

    How do you solve this need help asap, thank you!!

    Find amplitude,period, phase shift and endpoint

    1). y= cos 2( x- (pie/2)

    2). y= 2sin (1/2)x - (pie/6)

    1 AnswerMathematics7 years ago
  • Pre calc find amplitude period phase shift endpoint?

    How do you solve this need help asap, thank you!!

    Find amplitude,period, phase shift and endpoint

    1). y= cos 2( x- (pie/2)

    2). y= 2sin (1/2)x - (pie/6)

    1 AnswerMathematics7 years ago
  • calc help trigonometric and tangents?

    Can help me understand how to solve these, I have finals soon and I'm lost :(

    Find the six trigonometric functions of t.

    1) t= 5pie / 3

    2) t= -210^degree symbol

    Find the exact values of all 0( with a slash ), 0^0 <( with a line under) 0( with a slash) < 360^0 . For which...

    1)tan 0( with a slash) = - (1/ radical 3)

    2) sin a (alpha) = -radical 3 / 2

    1 AnswerMathematics7 years ago
  • Pre calc help tangents?

    I need help for final I don't know how to figure this out

    If tan a (alpha) = 1/4 and the terminal point for a (alpha) is In quadrant III, find:

    1). sec a + cos a

    2). sin a + c sec a

    2 AnswersMathematics7 years ago
  • Pre calc graphing help?

    How do you solve this

    Find the domain, range, asymptote of the following functions

    1). y= e^-3x. +1

    2). y=log (x+2)

    2 AnswersMathematics7 years ago
  • Pre calc amplitude, phase shift, endpoint?

    How do you solve this?

    Find the amplitude, period, phase shift and endpoint then graph the following functions.

    1). y=cos2( x- (pie/2))

    2). y=2sin(1/2)x - (pie/6)

    2 AnswersMathematics7 years ago
  • Impossible pre calc question?

    Find a cubic polynomial of degree 3 with real coefficients satisfying the condition f(2) = -10 and whose roots include i and 3.

    2 AnswersMathematics7 years ago
  • Pre calc help solve for x?

    How do you solve this

    Solve for x

    1). (2 / 2 ^log5 x ) = 1/16

    2). log(x^2 -1)=2+log (x+1)

    Find all the roots or zeros for the following polynomial

    F(x)= x^4 -2x^3 +5x^2 -8x +4

    2 AnswersMathematics7 years ago
  • Pre calc sum or difference?

    I need help with these 2 questions...

    Write as a sum and/or difference:

    1) 1n( y radical three x^4 under the radical / radical x-3)

    2) log5 radical xy^16

    1 AnswerMathematics7 years ago
  • Calc help trigonometric and tangents?

    Can help me understand how to solve these, I have finals soon and I'm lost :(

    Find the six trigonometric functions of t.

    1) t= 5pie / 3

    2) t= -210^degree symbol

    Find the exact values of all 0( with a slash ), 0^0 <( with a line under) 0( with a slash) < 360^0 . For which...

    1)tan 0( with a slash) = - (1/ radical 3)

    2) sin a (alpha) = -radical 3 / 2

    1 AnswerMathematics7 years ago
  • Calculus help trigonometric, terminal point?

    I need help figuring this out for a final.....

    Find the values of the remaining trigonometric functions a 0 (with a slash) from the given information.

    1) sin 0( with a slash) = 5/13 , cos 0( with a slash) = -(12/13)

    2) cos 0( with a slash) = -(3/5) , tan 0( with a slash) < 0

    Also....

    If tan a (alpha) = 1/4 and the terminal point for a (alpha) is in quadrant III find..

    1) sec a (alpha) + cos a ( alpha)

    2) sin a ( alpha) + c sec a (alpha)

    1 AnswerMathematics7 years ago
  • Pre calculus exact value?

    Need help for my pre calc final.

    How do you solve these?

    Find the exact value for the following:

    1) sin 315^degree symbol

    2) sec ( 22 pie / 3)

    Evaluate the following:

    1) log3 1/2

    2) log4 8

    3) log9 radical 3

    1 AnswerMathematics7 years ago
  • Calc help trigonometric and tangents?

    Can help me understand how to solve these, I have finals soon and I'm lost :(

    Find the six trigonometric functions of t.

    1) t= 5pie / 3

    2) t= -210^degree symbol

    Find the exact values of all 0( with a slash ), 0^0 <( with a line under) 0( with a slash) < 360^0 . For which...

    1)tan 0( with a slash) = - (1/ radical 3)

    2) sin a (alpha) = -radical 3 / 2

    1 AnswerMathematics7 years ago
  • Pre calc solve with log help?

    How do you answer these questions?

    Solve the following equation:

    1) log2 (7x+6) = log2 (3x+2) +log2 (x+2)

    2) log2 (log3 x) = 2

    1 AnswerMathematics7 years ago
  • pre calc question find f(x)?

    I got both wrong im not sure what to do.

    Given f(x)= x/ x-1 g(x)= 2x-4/x

    find a) (gog) (0)

    and b) (fog)(-3)

    for a) i got 2 and b) i got -5/6 but they are marked as wrong

    1 AnswerMathematics7 years ago
  • precalc is killing me?

    how do you solve this.....

    what is the remainder when the polynomial

    p(x)=x^500+ 5x^201 -x^2-2x+4 is divided by x-1

    1 AnswerMathematics7 years ago
  • Pre calculus help finding a polynomial?

    ok i seriously found this one impossible... how do you solve this?

    find a polynomial of degree 4 that has zeros -3, 2, -2 and -1 with the constant term of -3

    1 AnswerMathematics7 years ago