Answers created by Martin C.

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• Solve 1/1+i in polar form ?
  
• How to divide?
  
• What is the trigonometric form of # (-2+10i)(3+3i) #?
  
• Express 65% as a fraction in its lowest terms?
  
• How do you solve #7x - 9 = -10 + 4x#?
  
• A map is drawn to the scale of 1 : 100, 000. If the distance between 2 towns is 2km what would be the distance between them on the map?
  
• Barry's deck of cards contains 40 blue cards and 70 red cards. Max's deck of cards contains the same number of blue cards, but the ratio of blue cards to red cards is 8:9. How many total cards does Max's deck of cards contain?
  
• What is #2/3# as its percent?
  
• What is #(x^-3) ^2 *x^5 / x^-1#?
  
• How do you solve #6/23=y/69#?
  
• Three cards are randomly drawn from a standard deck of 52-playing cards without replacement. What is the probability of drawing three queens?
  
• Find the values of #Q_1#, #Q_2#, and #Q_3# for the following data values: 6, 8, 13, 15, 16, 16, 18
  
• What is the slope of the line passing through # (9,1) ; (0,0)#?
  
• 3x/x=-4. what is x?
  
• How do you verify the Identity: #(1+cos x+ sinx)/(1+cos x-sin x)=sec x+tan x#?
  
• How do you convert -270 degree to radian measure?
  
• How do i find the volume of a pyramid with 3 sides?
  
• 8+6+7=3+_?
  
• Angles of Polygons?
  
• How do you express #x^2 / y^-3# with positive exponents?
  
• The product is 30, what are the two integers?
  
• What is #7.7 * 10^-5#?
  
• Miguel bought 5 rolls of toilet paper for $3. How much would 35 rolls cost?
  
• How do you write an equation in standard form for a line passing through B(0, 0), C(4, -4)?
  
• How do you solve #|- 5k | = 13#?
  
• How do you find the derivative of # z = e^[(x^2)+xy]#?
  
• How do you find the slope of the line passing through the points (-7,3) and (3,8)?
  
• How to do cos 33 pi over 4?
  
• How do you divide #(x^4+2x^3-2x^2+9x+3)/(x^2+1) #?
  
• How do you solve #8 ^(2x) — 5 = 48#?
  
• If the speed of light determines the time,then,how did they measure it?????
  
• How do you solve #-6e^(8n+8)-3=-23#?
  
• What is the derivative of #y=x sec(kx)#?
  
• Lee is going to the US. He has 5 months & has worked out the following itinerary. He will be in A for 1 & a half months, in B for 1 & 2 thirds of a month & in C for 3 quarters of a month. The other place is D. How much time will he spend in D?
  
• What is the product of #d-9# and #2d^2+11d-4#?
  
• How do you find the inverse of #f(x)=sqrt(3x) # and is it a function?
  
• How do you simplify #sqrt(135b^2c^3d) • sqrt(5b^2d)#?
  
• How do you solve #6( - 2m + 1) = 13#?
  
• How do you solve #x^2+5x+6>0#?
  
• What is the square root of 1/3?
  
• What is the local max of f(x) =x sin x?
  
• What is the derivative of # y = x [sec (3 - 8x)]#?
  
• What is the derivative of #f(x)=log_2(cos(x))# ?
  
• If the length of a side of a cube is 4x, what is the volume of the cube?
  
• How do you solve the quadratic with complex numbers given #3t^2+8t+5=-2t^2#?
  
• For each given graph of f(x),sketch a graph of A(x), the area under function f(x)?
  
• If f(x) = 5x + 20, what is the value of f(6)?
  
• How do you find all local maximum and minimum points given #y=(x^2-1)/x#?
  
• Expand by binomial theorem? #(3x²-y)5#
  
• How do you simplify #4(e+5)-(e+9)+(e+7)#?
  
• Can someone please help me with the formula for the area of a triangle?
  
• How do you solve #5h = 26#?
  
• Does the point (_2.5, 3.5) lie inside,outside or on the circle x^2+y^2=25 ?
  
• How do you evaluate #\sum _ { n = 1} ^ { 4} ( 1- 2n )#?
  
• What is #int_7^9f(x)dx# ?
  
• How do you find #f(-1/2)# given #f(x)=-3+4x#?
  
• How do you find the product of #(3n-7)(n+3)#?
  
• A line passes through the points (–12, 40) and (8, –20). The equation of this line can be expressed as y = ax + b, where a and b are integers. What are the values of a and b?
  
• If #h(x) = -x^2 - 3x#, how do you solve h(4)?
  
• How do you simplify # 3 + 6 times 2 div3#?
  
• How do you simplify #2x + x #?
  
• What is the value of #h(-3)# if #h(x)=x^2-x#?
  
• How do you solve the system #y-4/5x=1# and #y-x=1# using substitution?
  
• How do you divide #sqrt(x-5)/sqrt(x)#?
  
• For #y = x^2 - 2#, if the x-values are -3, -2, 0, 1, 2 what are the y values?
  
• A rectangle contains 324 sq cm. If the length is nine less than three times the width, what are the dimensions of the rectangle?
  
• Explain why the square root of a number is defined to be equal to that number to the 1/2 power?
  
• What is the volume of a right cylinder in terms of pie? Figure not to scale diameter is 6 cm height is 8 cm
  
• How do you factor #3x^3 - 9x^2#?
  
• 50 is what percent of 60?
  
• What is the square root of 48 times the square root of 15?
  
• How do you solve #-23=-3(-4b-3)-8(1+b)#?
  
• What is the square root of 164?
  
• How do you evaluate #4+ ( - 41) - ( - 3)#?
  
• How do you solve x+y=6 and x-y=2?
  
• How do you evaluate the limit #(x+3)^1997# as x approaches #-4#?
  
• It costs $12 to attend a golf clinic with a local pro. Buckets of balls for practice during the clinic cost $3 each. How many buckets can you buy at the clinic if you have $30 to spend?
  
• How do you simplify #sqrt(30x^2) *sqrt(3x^2)#?
  
• How do you simplify #19g - 4h + 4 - 20 (g - 1)#?
  
• How do you solve #-x/4 = (2x)/3#?
  
• What is the distance between #(-8,67)# and #(-1,53)#?
  
• Evaluate #lim _(x ->1) (x^4-1)/(x-1)# ?
  
• How do you multiply #(- 2x ^ { 4} y ^ { 2} ) ( 5x ^ { 2} y )#?
  
• What is 1/2 of 3/4???
  
• What is the equation of the parabola that has a vertex at # (3, -6) # and passes through point # (-9,7) #?
  
• How do you translate x + 9 into words?
  
• How do you solve #abs(3x - 5) = -1#?
  
• How do you solve for y in #6x+3y=9#?
  
• What is #sqrt(50)-sqrt(18)#?
  
• How many solutions does #-12x^2-4x+5=0# have?
  
• What is the distance between #(3, 0) # and #(6,6)#?
  
• How do you write #x=4y-5# in standard form and what is A, B, C?
  
• How do you solve #1 / p = p / 16#?
  
• How do you solve #w- \frac { 1} { 5} = 4\frac { 2} { 3}#?
  
• The base of a triangular pyramid is a triangle with corners at #(6 ,7 )#, #(3 ,1 )#, and #(4 ,2 )#. If the pyramid has a height of #8 #, what is the pyramid's volume?
  
• How do you simplify #(6i)(-8i)#?
  
• For what values of x is #f(x)=-x^2+xe^x# concave or convex?
  
• What is the coefficient of x^2 of (x-2)^7?
  
• Question #3b6b1
  
• How many mL of a 2% solution will result from the dilution of 20mL of a 10% solution? The answer is 100, but I can't figure out.
  
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