Answers edited by Andy Y.

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• Question #76238
  
• Question #185da
  
• What could cause a gaseous substance to liquify?
  
• How do you solve `2x ^ { 2} + 3x - 20= 6`?
  
• How do you solve the system `y = 3x - 4` and `2x - y = 1` by graphing?
  
• How do you simplify `\frac { - 2x ^ { 3} + 4x ^ { 2} + 22x - 32} { x ^ { 3} + 2x ^ { 2} - 8x }`?
  
• How do you find the Maclaurin Series for `1/(1-sinx)`?
  
• How do you solve `\frac { 1} { 4} ( 5x + 4) - \frac { 22} { 3} = \frac { 14} { 3}`?
  
• What is the area enclosed by `r=-thetasin(-16theta^2+(7pi)/12)` between `theta in [0,(pi)/4]`?
  
• Question #5a090
  
• Question #94080
  
• A=1+3+5+7................. 1999 ?
  
• A child's movie ticket costs $3 and an adult's ticket cost $5. If $236 was collected for one show, how many of each type of ticket were sold?
  
• What is the derivative of `y=log_4 2x`?
  
• How do you combine `\frac { 24w z } { w ^ { 2} - 36z ^ { 2} } + \frac { w - 6z } { w + 6z }` into one fraction?
  
• Why are numbers used in chemistry often expressed in scientific notation?
  
• How do you find the derivative of `sin(arccosx)`?
  
• How do you describe the transformation of `f(x)=sqrt(x-9)` from a common function that occurs and sketch the graph?
  
• How do you integrate `int(e^x + 1)^2dx`?
  
• How do you find the volume of the solid generated by revolving the region bounded by the curves `y^2 = x*(4-x)^2` from x=0 to x=4 rotated about the x-axis?
  
• How do you solve the inequality `2<=abs(4-x)<7` and write your answer in interval notation?
  
• How do you solve `y^2-6y+8=0`?
  
• Question #004aa
  
• How do you simplify `(3x+1)/(x-2) - (4x+1)/(x-3)`?
  
• How do you find the second derivative of `y^2 + x + sin y = 9`?
  
• How do you find the second degree taylor polynomial for f' about 4 and use it to approximate f'(4.3) given `f(x) = 7 - 3(x-4) + 5(x-4)^2 - 2(x-4)^3 + 6(x-4)^4`?
  
• If an element has too many or too few of what the element becomes unstable and will decay or not form at all?
  
• Question #5a090
  
• How do you graph the function `y=-1/2x^2-2x` and identify the domain and range?
  
• How much energy is needed to melt 250 grams of ice at 0 C?
  
• How do you solve `x^2+6x+2 = 0` ?
  
• Question #e8206
  
• How do you draw s,p,d,f orbitals?
  
• Question #148a8
  
• How do you find the slope of a line given the points `(2,2)` and `(5,8)` on the line?
  
• A spring extends in length by `4.0` `cm` when a mass of `1.5` `kg` is hung from it. What is the spring constant of the spring?
  
• How do you solve using the completing the square method `4t^2 = 8t - 1`?
  
• How do you solve `2x^2=x+28`?
  
• How do you find the focus, vertex, and directrix of `x^2 -6x -36y +225=0`?
  
• Question #f025e
  
• Question #e4ccd
  
• Question #a512b
  
• How do you write the equation of the line that is parallel to y=x+3 and passes through (-4,1)?
  
• How long will it take to cover the moon with spherical miniature meteors, one meter tall, each with a diameter of `1.00xx10^-6` meters, hitting the moon at a rate of 1 meteor per second?
  
• Question #ea84f
  
• How do you find the first and second derivative of `x(lnx)^2`?
  
• If a gallon of paint covers a `25.0 " m"^2` wall, what is the thickness of the paint?
  
• What is the formula for the distance between two polar coordinates?
  
• What do Oxidation numbers tell you?
  
• What is the area in square meters of a 100 ft `xx` 150 ft rectangular yard?
  
• How do you solve the system `2x+5y=-1, 3x-10y=16`?
  
• How do you simplify `5 / sqrt(3)`?
  
• Question #c3fab
  
• How do you graph `y = -.3270 + 13.74x – 4.7x^2`?
  
• Question #cb56b
  
• How can I show that `lim_(x->0)(1-cos(x^2))/(xsin(x^3))=1/2` using the Maclaurin series?
  
• Can someone tell me from where can I understand the concepts of hybridization of orbitals and also about electron clouds??
  
• How do you solve the equation `4x^2+9x-1=0` by completing the square?
  
• How do you simplify `\frac { 5\root[ 3] { 108m ^ { 7} } } { \root [ 3] { 4m } }`?