Answers created by Alvin L.

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• What is #int (sin x)/(cos^2x + 1) dx #?
  
• Find the values of #x# for which the following series is convergent?
  
• How do you solve #6t ^ { 2} = - 4t#?
  
• What is a solution to the differential equation #dy/dt=e^t(y-1)^2#?
  
• How to integrate #int e^x sinx cosx dx# ?
  
• What’s 8 over 1000 as a percentage?
  
• Find all solutions on the interval [0, 2#pi#)? #2sin(2x)-1=0#
  
• How do you solve #3v ^ { 2} - 24v = 0#?
  
• How do you find the vertex for #y = x^2 - 2x#?
  
• A rectangular table is six times as long as it is wide. If the area is #150# #ft^2#, what is the length and the width of the table?
  
• How do you simplify #(sqrt(144x))^6#?
  
• How do you add #2\sqrt { 18} + 11\sqrt { 2}#?
  
• What is the interior angle of a regular 21-gon? (Round to 2 decimal places.)
  
• By what rational number should the product of 9/7 and -35/6 be divided to get 3/5?
  
• How do you determine if the improper integral converges or diverges #int 1 / [sqrt x] # from 0 to infinity?
  
• What is the arclength of #(t-3,t+4)# on #t in [2,4]#?
  
• Integral of #1/sqrt(tanx) dx=#?
  
• How do you solve #-70m + 100> 10#?
  
• How do you find the zeros of # y = 3/2x^2 + 3/2x +9/2 # using the quadratic formula?
  
• How do you find the antiderivative of #Cosx/Sin^2x#?
  
• How do you find the critical numbers of #s(t)=3t^4 + 12t^3-6t^2#?
  
• Solve the inequality?
  
• What is the integral of #(ln(xe^x))/x#?
  
• How do you solve # 4sqrtx – 7 = 13#?
  
• How many minutes are in 0.1 hour?
  
• How do you solve #-19= - 10+ \frac { n } { 2}#?
  
• Is -3 an irrational number?
  
• How do you solve using the quadratic formula #3x^2 + 4x = 6#?
  
• How do you divide #6\div \frac { 1} { 3} #?
  
• How do you solve #3/8 * 10/7#?
  
• What is the slope of any line perpendicular to the line passing through #(5,0)# and #(-4,-3)#?
  
• How do you evaluate #2( 3) + 12- ( 4\cdot 3)#?
  
• How do you factor # 6x^2+6x^3 #?
  
• Find complex values of #x = root (3)(343)# ?
  
• How do you solve #e^(2x)-6e^x-16=0#?
  
• How do you factor completely # P(x)= x^3-2x^2+x-2#?
  
• How do you solve # 3x^2=48#?
  
• What are the factors of 128?
  
• How do you determine whether the lines for each pair of equations 3x+2y=-5 y=-2/3x+6 are parallel, perpendicular, or neither?
  
• How do you solve the following linear system: # 6x+y =3, 2x+3y=5 #?
  
• How do you rationalize #(2sqrt5-8)/ (2sqrt5+3)#?
  
• How do you solve #15t+4=49#?
  
• How do you use the Change of Base Formula and a calculator to evaluate the logarithm #log_5 7#?
  
• How do you solve #ln y = 2x + 4#?
  
• How do you solve #log _ 6 ( log _ 2 (5.5x)) = 1#?
  
• How do you find the domain and range of # sqrt(x^2 - 8x +15)#?
  
• How do you find the domain of # 7x+4#?
  
• Write the complex number #(-5 - 3i)/(4i)# in standard form?
  
• How to solve this problem step by step with application of integration?
  
• How to solve this problem step by step with application of integration?
  
• What is the corredt answer?
  
• How do you solve #2^ { m + 1} + 9= 44#?
  
• How do you find the limit of #tanx# as #x->pi#?
  
• How do you solve #\frac { f } { 5} = - 4#?
  
• How do you integrate #int sec^-1x# by integration by parts method?
  
• How to solve limit x/e^x without using l'hospital rule?
  
• How to solve this inequation ?
  
• Question #61bb3
  
• Question #ecc3a
  
• How do you use the integral test to determine if #ln2/sqrt2+ln3/sqrt3+ln4/sqrt4+ln5/sqrt5+ln6/sqrt6+...# is convergent or divergent?
  
• Integration of #1/(1+x^3)dx#?
  
• Question #9ddf4
  
• A playing card is chosen from a standard deck of cards (which contains a total of 52 cards) what is the probability of getting a two. a seven or an ace? a) 3/52 b) 3/13 c) 1/13 d) 1
  
• 75% = 45 is out of is what number???
  
• How to integrate #sqrt(x^2+4x)dx# ?
  
• Question #6c70a
  
• Domain of ln(x#e^(x)#+1) ?
  
• What is #f(x) = int e^xcosx-tan^3x+sinx dx# if #f(pi/6) = 1 #?
  
• How do you evaluate the integral #int sinhx/(1+coshx)#?
  
• Question #1299f
  
• How to calculate sum of this? #sum_(n=1)^oo(-1)^n n(n-1)x^n#
  
• How to integrate #int x^lnx# ?
  
• How do you find MacLaurin's Formula for #f(x)=sinhx# and use it to approximate #f(1/2)# within 0.01?
  
• Length of the triangle sides?
  
• Question #f550a
  
• Question #57a66
  
• Question #d90f5
  
• What is the integral of #int ((x^2-1)/sqrt(2x-1) )dx #?
  
• How do you integrate #f(x)=(3x^2-x)/((x^2+2)(x-3)(x-7))# using partial fractions?
  
• Question #bfe81
  
• #x^4-4x^3+x^2+4x+1=0#. How to solve for x?
  
• Let # f(x) # be the function # f(x) = 5^x - 5^{-x}. # Is # f(x) # even, odd, or neither ? Prove your result.
  
• Question #27e2b
  
• What is #lim_(x->oo) (e^x-1)/x# ?
  
• Why is the function not differentiable?
  
• Question #0bfd7
  
• How do you find the roots, real and imaginary, of #y= -3x^2 -+5x-2# using the quadratic formula?
  
• How do you find the antiderivative of #(e^x)/(1+e^(2x))#?
  
• Question #f3bd9
  
• Given that #int_0^3f(x)dx=6# and #int_0^2f(x)dx=5#. Show that #int_2^3f(x)dx#. How to do this?
  
• Question #d4732
  
• Question #3de45
  
• How do you find #-\int \cos ( e ^ { u } ) e ^ { 4} d u#?
  
• How do you solve an inequality where one side is a log and the other side does not equal 1?
  
• How do you solve #\frac { 1} { x - 7} + \frac { x + 2} { x - 3} = \frac { 3} { x ^ { 2} - 10x + 21}#?
  
• What is a Taylor expansion of #e^(-2x)# centered at #x=0#?
  
• What are all the possible rational zeros for #f(x)=-6x^3+5x^2-2x+18# and how do you find all zeros?
  
• Question #62fe0
  
• Question #060c5
  
• How do you find the taylor series for #ln(1+x^2)#?
  
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