Answers edited by sjc

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• How do you factor `7h^4-7p^4`?
  
• How do you find the equation of a circle center is at (0, 0) and that is tangent to the line x + y = 8?
  
• How do you find the angle between the vectors `u=2i-3j` and `v=8i+3j`?
  
• How do you find the vector equation and the parametric equations of the line that passes through the points A (3, 4) and B (5, 5)?
  
• How do you evaluate `lne^45`?
  
• What is the equation of the line that passes through the points (2, 4) and (4,0)?
  
• How do you verify the identity `cos^2beta-sin^2beta=2cos^2beta-1`?
  
• How do you integrate `int sqrt(x^2-25)/x` using trig substitutions?
  
• T is the set of real numbers of the form a+b√2, where a,b € Q and a,b are not simultaneously zero. Show that (T,•) is a group where "•" is an ordinary multiplication?
  
• How do you find the nth term rule for `1/2,1,3/2,2,...`?
  
• The sum of three consecutive even integers is 312. What are the integers?
  
• If an object is dropped, how fast will it be moving after falling `16 m`?
  
• Question #101d6
  
• How do you find the derivative of the function `f(x)=mx+b`?
  
• Can velocity be positive with a negative displacement? Explain please :)
  
• Question #8b831
  
• How do you integrate `int sqrt(arcsinx/(1-x^2)` using substitution?
  
• How many times can 2 go into 34?
  
• How do you write 95.6%, as a decimal?
  
• Question #fa5a6
  
• What is `f(x) = int e^(5x-1)+x dx` if `f(2) = 3`?
  
• If `f(x)=3x^2-x+2`, what is `f(2)`? What about `f(a+h)`?
  
• Assume that z scores are normally distributed with a mean of 0 and a standard deviation of 1. If `P(z<b)=.9817`, what is `b`?
  
• How do you use implicit differentiation to find `(dy)/(dx)` given `5x^3=-3xy+2`?
  
• What is a solution to the differential equation `dy/dx=sinx/y`?
  
• How do you solve `ln(x+1)-ln(x-2)=lnx`?
  
• How do you find the exact value of `cos(120^circ)+cos(45^circ)`?
  
• How do you find the area of `triangle ABC` given a=10, c=8, sinB=3/10?
  
• What is the simplest radical form of `sqrt116`?
  
• How do you use the discriminant to determine the nature of the solutions given `9m^2 + 24m + 16 = 0`?
  
• An object's two dimensional velocity is given by `v(t) = ( t-2 , 5t^2-3t)`. What is the object's rate and direction of acceleration at `t=7`?
  
• Question #96f9a
  
• What is the value of `sqrt100`?
  
• Question #f2070
  
• What are the mean and standard deviation of the probability density function given by `p(x)=k(x-x^2)` for `x in [0,1]`, in terms of k, with k being a constant such that the cumulative density across all x is equal to 1?
  
• How do you find the derivative of `3^x`?
  
• How do you find the center and radius for `5x^2 + 5y^2 +10x-30y+49=0`?
  
• How do you differentiate `(xy)/(x+y)=1`?
  
• How do you simplify the expression `1+tan^2x`?
  
• How do you find `(dy)/(dx)` given `x^2sinx+y^2cosy=1`?
  
• How do you identity if the equation `x^2-8y+y^2+11=0` is a parabola, circle, ellipse, or hyperbola and how do you graph it?
  
• Question #de70e
  
• If Equations `x^2+ax+b=0` & `x^2+cx+d=0` have a common root and first equation have equal roots,solve Then prove that 2(b+d)=ac How to prove?solve
  
• How do you find `""_11P_3`?
  
• What is the GCF between 120, 144?
  
• How do you simplify `(-3-i)(2-2i)`?
  
• How do you find the equations for the tangent plane to the surface `xy^2+3x-z^2=4` through `(2, 1, -2)`?
  
• How do you find the factors of `f(x) = x^3-9x^2+8x+60`?
  
• Question #2323c
  
• Question #c070f
  
• Question #01924
  
• How do you solve the equation `x^2-4x+5=0` by completing the square?
  
• How do you find the inner product and state whether the vectors are perpendicular given `<-2,4,8>*<16,4,2>`?
  
• What is 5C3?
  
• Is angular momentum equal to Inertia times Omega and why?
  
• How do you integrate `int cot^2xdx`?
  
• How do you find the moments `M_x` and `M_y` and the center of mass of the system?
  
• How to demonstrate this with mathematical induction?`P(n):n^3+5n` divide with 6 is true `forall ninNN`.
  
• How do you write the vector equation that passes through point (3,-5) and parallel to <-2,5>?
  
• How do the factors proves that 32 is not a square number?
  
• How do you identify the center and radius of the circle `x^2+(y+12)^2=24`?
  
• What is the equation of the line that goes through `(5,1)` and has a slope of `m=4`?
  
• A crane lifts a 6.500 N weight 10 m in 180 seconds. What power is used?
  
• How do you evaluate `\sqrt { \frac { 1- \cos ^ { 2} 2\theta } { 1- \sin ^ { 2} 2\theta } }`?
  
• Question #893e2
  
• Question #6cb94
  
• How do you find the LCM of 27, 18?
  
• How much force is required to accelerate a 2 kg car at 3m/s/s?
  
• How many meters are in 0.54 kilometers?
  
• How do you find the indefinite integral of `int (3x^2+4x+1)/(2x)dx`?
  
• Question #e7f56
  
• How do you find the antiderivative of `int sec^2xtanx dx`?
  
• How do you solve `sin^2x+3sinx-4=0` for `0<=x<=2pi`?
  
• How do you find the GCF of `18, 45mn`?
  
• How do you evaluate `log_3 (1/81)`?
  
• How do you find the equation of a line tangent to the function `y=x^2+3x-1` at x=0?
  
• How do you integrate `int arctan(1/x)` using integration by parts?
  
• What is the LCM of 4 and 16?
  
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