Mathematics

Recent Answers

2012-02-08 Calculus - Applications of derivative:

Questioner:Tommy  Country:North Carolina, United States  Category:Calculus  Private:No  Subject:calculus 1    Question:    a) find an equation in slope-intercept form of the tangent line to the parabola

2012-02-08 Calculus - Definite Integration:

Firstly, your final answer should be 43.96, not 49.6 (I have verified this using a graphic calculator)    Secondly, if the first integral of -(3(x^2)-8(x)) on (0,8/3) gives you zero, most likely you have

2012-02-07 Algebra - Online exam, Help please!:

1. Evaluate (3x + 6) ÷ [y3(x + 2)] if x = 2 and y = 1.  Note the expression is 3(x+2)/(y³(x+2)); y is 1, so y³ is 1; to evaluate, put in 2 for x.    2. Simplify the following expression: (16x+24)/8 + [2(y-3)-1]/[(27y-18x)/9]

2012-02-07 Algebra - Algebra:

Here's some of them.  I got tired of doing inequalities  1. x > 2/3 or x < -2  2. 6/5, -2  3. -2 <= p <= 6  4. r not equal to 4  5. 1.25 < n < 3.75  6. t = 0,3  7. k < -1 or k > 1/3  19. 14,16,18 or 16

2012-02-07 Algebra - Alebra 2:

To solve these, I will call the distances u and v.  In the x direction, I will call the distance ux and vx.  In the y direction, I will call the distance uy and vy.  The angles for u and v will be called