Answers created by Martin C.

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• How can I solve, #2x^2+6x+2=0# by completing the square?
  
• How do you express #sin(pi/12) * cos(( 7 pi)/12 ) # without products of trigonometric functions?
  
• How do you differentiate # f(x)=(e^x+1)*(x+1)*sqrt(x^2-3)# using the product rule?
  
• Max bought a pair of shoes for $93.00. He needs to pay the 7.4% sales tax. How much will Max pay in sales tax?
  
• If Tan delta = 3/7, what is the value of x, to the nearest tenth?
  
• What is $10.95 divided by 0.42?
  
• How do you find the derivative of #(1+x+[3x^2])^4#?
  
• Which statement accurately reflects this situation?
  
• Mobile, Alabama has an average annual rainfall of 63.96 in. The average annual rainfall in San Francisco, California, is 19.70 in. About how much more rain falls each year in Mobile than in San Francisco?
  
• Why does (sqrt(2)/2)x(sqrt(3)/2)-(1/2)x(sqrt(2)/2) simplify to (sqrt(2)/4)x(sqrt(3)-1)?
  
• What is 2 1/8 as a decimal?
  
• How do you graph #y = abs(x - 3) #?
  
• Can Your Find The Sum Of The First 10 Terms 80-20+5+.... ? A) 80 B) 4 C) 107 D) 64
  
• During a party a total of 78 handshakes occurred. If each person shook hands once with each of the other people , how many people were at the party?
  
• A line passes through #(2 ,5 )# and #(0 ,1 )#. A second line passes through #(7 ,1 )#. What is one other point that the second line may pass through if it is parallel to the first line?
  
• What is the area of a triangle with vertices #(x_1, y_1)#, #(x_2, y_2)#, #(x_3, y_3)# ?
  
• Over five weeks, you earned a total of $1,472.50. You were paid $7.75 per hour and worked the same number of hours each week. How many hours per week did you work?
  
• A man started painting a wall of 9:00 a.m. and was able to finish painting 3/5 of it at 10:30 a.m. continuing at this rate at what time will he finish painting the wall? a. 10:45 a.m. b. 11:30 a.m. c. 11:45 a.m. d. 12:15 p.m.
  
• Can #y= 16x^2-24x+9 # be factored? If so what are the factors ?
  
• Solve by using the quadratic formula?
  
• How do you factor #w^4-625#?
  
• Find? #lim xrarr c ((x^3 - c^3)/ (x-c))#
  
• How do you differentiate #(3x-2)/(2x+1)^(1/2)#?
  
• Suppose there is a population with the tradition that the women bear children until they have one boy. What would be the ratio of boys to girls in this population?
  
• For a fishing tournament, the minimum length of a snook is 32 inches. The maximum length is 36 inches. How do you write and solve an absolute value equation that has these minimum and maximum lengths as its solutions?
  
• (sin10x)'=?
  
• How do you simplify #-(m^4)^3#?
  
• How do you find the inflection point of #(x+1)/(x^(2)+1)#?
  
• How to factorize #14x^6 - 45x^3y^3 - 14y^6#?
  
• How can I solve this equation? #2pq-3+7=pq #
  
• How do I solve #1/2z + 5 = 11# algebraically?
  
• Convert 2.22 into a Fraction?
  
• How do you factor #8m^3 - 125n^3#?
  
• How do you find the derivative of #4-(x^2)sinx#?
  
• How do you solve #-3- 5( 3x + 7) = 0#?
  
• How do you simplify #(14a^-4)/(20bc^-1)# using only positive exponents?
  
• How do you solve #4x^2-8x + 1 = 0#?
  
• How do you solve #8x - 22 = -60#?
  
• The formula for the perimeter of regular hexagon the sides of length #d# is #P=6d#. What is the perimeter if the side is #90# units long?
  
• Carlos and Maria have drove a total of 197 miles in 3.8 hours. Carlos drove the first part of the trip and averaged 55 miles per hour. Maria drove the remainder of the trip and averaged 47 miles per hour. For approximately how many hours did Maria drive?
  
• What are the possible outcomes when the coin tossed 20 times?
  
• How do you solve for P in #u=F(P/T-E)#?
  
• How do you simplify #(6+ 4x + 8x ^ { 2} + 3x ^ { 3} ) + ( 4- 4x + 8x ^ { 2} - 3x ^ { 3} )#?
  
• How do you solve #2.2^(x-5)=9.32#?
  
• How do you solve #x^2-3x+2=0# using the quadratic formula?
  
• How do you rationalize the denominator #sqrt(5/8)#?
  
• What is #int_(0)^(1) 2(pi)x/(cosx)dx #?
  
• Factor this unless it is fully factored?
  
• How do you solve using the quadratic formula #2x^2 - 2x = 1#?
  
• What is the distance between #(88,-8)# and #(74,2)#?
  
• What is the slope of for the line that goes through #(-5, 9)# and #(-5, -5)#?
  
• Check 126 (86-29)=7 249 and 127 (86-29)=7 239 by casting out nines which equations is more likely to be correct?
  
• When #h# has the value #6#, what is #9h-:2#?
  
• #x+y=10" " and x-y=2# What is #x?#
  
• How do you simplify #7^2 + 8^3#?
  
• How do you solve #2( z - 4) + 3= 5- ( z + 1)#?
  
• What is the vertex form of #y=x^2+9x+3 #?
  
• How do you solve #x-3< 3x-7#?
  
• What is the equation of the parabola that has a vertex at # (0, 0) # and passes through point # (-1,-64) #?
  
• How do you simplify #(g ^ { 8} h ^ { 7} ) ^ { 6}#?
  
• How do you solve #Log_2x + log_2(x+2) = log_2(6x+1)#?
  
• How do you find the surface area generated when the curve #y=sqrt(r^2-x^2), 0<=x<=a# is rotated about the x axis?
  
• Use the distance formula to find the distance between: (3.5,1) and (-4,2.5)?
  
• How do you simplify #root 3 a^7#?
  
• Someone please help me?
  
• How do you solve #4| 3x - 8| + 16= 2#?
  
• How to find integration??
  
• Integral of #int(x-1)/(x+3)^3 dx# ?
  
• How do you solve #2 sin x - 1 = 0# over the interval 0 to 2pi?
  
• How do you solve # 5 / (y - 2) = y + 2#?
  
• How do you solve #\frac{x}{7} - 3= - 1#?
  
• How do I solve sin 2x=cos 3x ?
  
• How do i simplify 37.8 + 42.01 - 16?
  
• How do you convert 170 degrees to radians?
  
• Integrate by parts ? 15x sinx dx
  
• If #f(x) = x^2- 2#, how do you find expressions for f(-x)?
  
• How do you solve #3n+8=29#?
  
• At which point in its ride does a roller- coaster have the greatest amount of kinetic energy?
  
• How do you factor #x^2+14x=-49#?
  
• How do you convert -300 degrees to radians?
  
• The length of a rectangle is four times its width. If the perimeter of the rectangle is 70yd, how do you find its area?
  
• What are the zeros of the function #y=2x^2-3x-20#, and why?
  
• How do you find the x and y intercepts for #y = -2(x-1)^2 + 3#?
  
• Simplify #(125d^15)^(3/4)# ?
  
• How do you write 8/15 as a decimal?
  
• Solving Trigonometric Equation. Rewrite the equation 3cscx - sinx = 2 in terms of sine. Then, solve algebraically for 0 < x < 2pi?
  
• How do you simplify #( 2 + 3i ) + ( 3 + 2i )#?
  
• How do you find the roots for #f(x) = x^2 + 12x + 20#?
  
• Rob noticed that 55% of the people leaving the supermarket to chose plastic bags instead of paper bags. Out of 600 people how many can Rob predict will carry plastic bags?
  
• √8 + √50 ÷√7?
  
• How do you solve #x^2 = 5x + 2# by completing the square?
  
• What is the antiderivative of #(2x)/(sqrt(5 + 4x))#?
  
• How do you solve #15 + 26d = -8d²#?
  
• If #f(x)=x^3-7x^2+5x#, how do you find all values for f(x)=-1?
  
• One number written by 2014 number 8 in a row. Q. How many units should be added to the number to divide by 36?
  
• What is the integral of #int cosx/sqrt(1-2sinx)#?
  
• How do you differentiate #yz = ln(x + z)#?
  
• How can i find the derivative of f(x)= x÷((x^(1/2) -1) ??
  
• How do you simplify # (bc)/(pi*a) + (ac)/(pi*b) + (ab)/(pi*c)#?
  
• How do you simplify #\frac { 7a } { \root[ 5] { 4a ^ { 7} b ^ { 13} } }#?
  
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