Answers edited by Martin C.

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• In the expansion of #(ax+by)^7#, the coefficients of the first 2 terms are 127 and -224, respectively. Find values of a and b?
  
• How do you evaluate the limit #(x+3)^1997# as x approaches #-4#?
  
• Question #a4b0a
  
• How do you find the instantaneous rate of change for #f(x)=(x^2-2)/(x-1)# for x=2?
  
• Help please to simplify as far as possible? #(1-cos^2x)(1+cot^2x)#
  
• How do you solve #4x^2-8x + 1 = 0#?
  
• Solve 1/1+i in polar form ?
  
• Question #4b5af
  
• How do you solve the quadratic with complex numbers given #3t^2+8t+5=-2t^2#?
  
• How do you find the slope of the line passing through the points (-7,3) and (3,8)?
  
• What is the slope of the line passing through # (9,1) ; (0,0)#?
  
• Integrate by parts ? 15x sinx dx
  
• If #f(x)=x^3-7x^2+5x#, how do you find all values for f(x)=-1?
  
• Three cards are randomly drawn from a standard deck of 52-playing cards without replacement. What is the probability of drawing three queens?
  
• How do you write an equation in standard form for a line passing through B(0, 0), C(4, -4)?
  
• How do you evaluate #(a + 9) ^ { 2} - ( a - 4) ^ { 2}#?
  
• How do I solve sin 2x=cos 3x ?
  
• How do you simplify #\frac { 5y ^ { 3} } { ( 5y ) ^ { - 2} }#?
  
• How do you find the local extremas for #f(x)=2x + (5/x) #?
  
• How to factorize #14x^6 - 45x^3y^3 - 14y^6#?
  
• How do you solve this integral?
  
• How to divide?
  
• How do you solve #2( z - 4) + 3= 5- ( z + 1)#?
  
• Find the values of #Q_1#, #Q_2#, and #Q_3# for the following data values: 6, 8, 13, 15, 16, 16, 18
  
• 5/3-2/x=8/x?
  
• How do you solve #x^2+5x+6>0#?
  
• How do you simplify #19g - 4h + 4 - 20 (g - 1)#?
  
• How do you solve #(x-1)/(x+1)-(2x)/(x-1)=-1#?
  
• How do you solve #w- \frac { 1} { 5} = 4\frac { 2} { 3}#?
  
• How do you find the inflection point of #(x+1)/(x^(2)+1)#?
  
• How do you divide #(x^4+2x^3-2x^2+9x+3)/(x^2+1) #?
  
• What is the equation of the parabola that has a vertex at # (3, -6) # and passes through point # (-9,7) #?
  
• Does the point (_2.5, 3.5) lie inside,outside or on the circle x^2+y^2=25 ?
  
• If the length of a side of a cube is 4x, what is the volume of the cube?
  
• 8+6+7=3+_?
  
• Question #49a3a
  
• Question #369b4
  
• How do you simplify #(14a^-4)/(20bc^-1)# using only positive exponents?
  
• What is the trigonometric form of # (-2+10i)(3+3i) #?
  
• Question #fab30
  
• What is the derivative of #y=x sec(kx)#?
  
• How do you integrate #int x^2lnabs(x)# by integration by parts method?
  
• How do you solve #Log_2x + log_2(x+2) = log_2(6x+1)#?
  
• There are a total of 64 students in either the drama club or the yearbook club (none of the students are in both clubs). The drama club has 10 more students than the yearbook club. How many students are in each club?
  
• What is the decimal equivalent of #25/9#?
  
• How to do question 4. a and b?
  
• What is the solution to the function using Chain Rule?
  
• 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.
  
• How do you solve #abs(3x - 5) = -1#?
  
• What is the square root of 164?
  
• How do you solve #Log_2x + log_2(x+2) = log_2(6x+1)#?
  
• How do you integrate #int x^4/(x^4-1)# using partial fractions?
  
• One number written by 2014 number 8 in a row. Q. How many units should be added to the number to divide by 36?
  
• How do you write #x=4y-5# in standard form and what is A, B, C?
  
• How do you solve the system #y-4/5x=1# and #y-x=1# using substitution?
  
• What is #int_7^9f(x)dx# ?
  
• A map is drawn to a scale of 2cm to 100km. If the actual distance between two towns is 374km what is this distance as measured on the map?
  
• How do you solve #2 sin x - 1 = 0# over the interval 0 to 2pi?
  
• How do you solve #\frac{x}{7} - 3= - 1#?
  
• How do you differentiate #yz = ln(x + z)#?
  
• When #h# has the value #6#, what is #9h-:2#?
  
• What is the antiderivative of #(2x)/(sqrt(5 + 4x))#?
  
• How can i find the derivative of f(x)= x÷((x^(1/2) -1) ??
  
• For #y = x^2 - 2#, if the x-values are -3, -2, 0, 1, 2 what are the y values?
  
• A hospital has 46 bottles of aspirin and each bottle contains 275 tablets. How many tablets does the hospital have in all?
  
• Can someone please help me with the formula for the area of a triangle?
  
• What is the local max of f(x) =x sin x?
  
• Three cards are randomly drawn from a standard deck of 52-playing cards without replacement. What is the probability of drawing three queens?
  
• Explain why the square root of a number is defined to be equal to that number to the 1/2 power?
  
• How do you solve #(3y^2-9y^3)/(12y^2+5y-2)>=0#?
  
• How do you convert 170 degrees to radians?
  
• For each given graph of f(x),sketch a graph of A(x), the area under function f(x)?
  
• How do you simplify #sqrt(30x^2) *sqrt(3x^2)#?
  
• How do you integrate?
  
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