Answers edited by John D.

• Back to user's profile
• Carbon atoms have four electrons in their outer shell. This means that a single carbon atom can form up to how many bonds with other atoms?
  
• What is the area between #y = secx# and #y = cosx# on #[-pi/4, pi/4]#?
  
• A rectangle has length #3sqrt5 - 4sqrt3# feet and width #2sqrt5 + 5sqrt3# feet, what is the perimeter?
  
• If the area under the curve of f(x) = 25 – x2 from x = –4 to x = 0 is estimated using four approximating rectangles and left endpoints, will the estimate be an underestimate or overestimate?
  
• The absolute temperature of a gas is increased four times while maintaining a constant volume. What happens to the pressure of the gas?
  
• How do you evaluate the expression #(1/5)^-4/((1/5)^-2(1/5)^-5)# using the properties?
  
• How do you express #499,000# in scientific form?
  
• How do you find the Maclaurin Series for #cos (x)^2#?
  
• How do you determine all values of c that satisfy the mean value theorem on the interval [-1,1] for #(x^2 − 9)(x^2 + 1)#?
  
• Question #53a4c
  
• What are the asymptotes and removable discontinuities, if any, of #f(x)= 2/( e^(-6x) -4) #?
  
• Question #51a7e
  
• If I have a circle with with an arc length of 31 in. and a radius of 12 in., then what is the angle in radians?
  
• How do you factor #(3x^2+4x-15)/(2x^2+3x-9)#?
  
• Question #c6a5a
  
• What is the derivative of #cot^2(x)#?
  
• The area of a rectangular playing field is 192square meters. The length of the field is x+12 and the width is x-4. How do you calculate x by using quadratic formula?
  
• How do you find the derivative of #w=1/sinz#?
  
• How do you factor #x^6-2x^3+1#?
  
• Question #75b0d
  
• How do you use the chain rule to differentiate #f(x)=sec^2(3x^6-6x+7)tan^2(16x^-2+61cos(x^2))#?
  
• How do you graph and find the discontinuities of #y=2/(x+1)#?
  
• How do you solve #5e^3t = 8e^2t#?
  
• A piston is connected by a rod of #14 cm# to a crankshaft at a point #5 cm# away from the axis of rotation. Determine how fast the crankshaft is rotating when the piston is 11 cm away from the axis of rotation and is moving toward it at 1200 cm/s?
  
• A model train, with a mass of #4 kg#, is moving on a circular track with a radius of #15 m#. If the train's kinetic energy changes from #32 j# to #12 j#, by how much will the centripetal force applied by the tracks change by?
  
• How do you find the domain and range of #y=-abs(x)+2#?
  
• Question #1488e
  
• How do you differentiate #f(x)= ( 2 - xsecx )/ (x -3) # using the quotient rule?
  
• How do you simplify #\sqrt { 27} + 2\sqrt { 48}#?
  
• How do you integrate #(3x+5)/(x^2+4x+13)# using partial fractions?
  
• Question #f669d
  
• Question #7b4a1
  
• Question #8bf85
  
• How do you graph the system of linear inequalities #x<5# and #x> -4#?
  
• Question #c43f5
  
• If (1+3+5+...... +a ) + (1+3+5+ .......... +b) = (1+3+5......... +c), where each set of parentheses contains the sum of consecutive odd integers as shown such that a+b+c = 21, a>6. If G = Max{a,b,c} and L = Min{a,b,c}, then? The question has multiple ans
  
• Question #585c4
  
• How do you evaluate #|9+ - 12+ 5+ - 8|#?
  
• Question #02b85
  
• What Is #y+3=7(x-2)# written in standard forma?
  
• Is #f(x)=1/(x-1)-2xlnx# concave or convex at #x=0#?
  
• Question #68c69
  
• Dose #sum ((n^2+3)/(2+n^2))^(n^3)# with #n = 0 -> # infinity converge ?
  
• How do you graph inverse trig functions?
  
• Thoughts on the recent announcement made about the future of the Socratic website? Share them here!
  
• Question #f69d9
  
• How do you write all the names that apply to #7/8#?
  
• What are the x intercepts for #f(x) = -2x^2 + 4x + 3#?
  
• What is percentage composition of element by mass in the lithium nitride salt, #Li_3N#?
  
• How do you prove #(cosx/(1+sinx))+((1+sinx)/cosx)=2secx#?
  
• How do you evaluate #2+6(9-3^2)-2#?
  
• Question #5dd43
  
• How do you solve #|6x - 5| > 0#?
  
• What is the derivative of #sec^2(x^3)#?
  
• Using the double angle of half angle formula, how do you simplify #cos^2 5theta- sin^2 5theta#?
  
• How do you test the alternating series #Sigma (-1)^(n+1)(1+1/n)# from n is #[1,oo)# for convergence?
  
• How do you solve for y in # x = | y + 5 | #?
  
• How do you solve #\frac { 7} { x + 6} + \frac { 5} { x - 6} = \frac { 6} { ( x + 6) ( x - 6) }#?
  
• How do I find #log 10#?
  
• How do you solve # sqrt3cscx-2=0#?
  
• How do you find the integral of #int 1/(1 + cos(x))#?
  
• What is the surface area produced by rotating #f(x)=1/e^(x^2), x in [-1,1]# around the x-axis?
  
• Question #3dc62
  
• How do you find the standard form of the equation of the ellipse given the properties foci #(+-3,0)#, length of the minor axis 10?
  
• How do you find the derivative of #w=1/sinz#?
  
• How do I graph #16x^2+y^2+32x-18y=119# algebraically?
  
• How do you verify the identity #cosx-1=(cos2x-1)/(2(cosx+1))#?