Answers created by James

• Back to user's profile
• Next
• How do you expand #(6y^4-1)^2#?
  
• The curve y=3x-x^2 cuts the x axis at the points O and A and meets the line y=-3x at the point B, as in the diagram. a) calculate the coordinate of A and B? B)FIND THE AREA OF SHADED REGION. i got the coordinates but the area is the issue
  
• Help plot the following parabola ?
  
• Need help plotting ?
  
• How do you simplify #sqrt(30)/(sqrt(2)*sqrt(5)#?
  
• How do you factor #r^2-4r+3#?
  
• Find the volume using cylindrical shells? (Enclosed by x-axis and parabola #y=3x-x^2#, revolved about #x=-1#)
  
• What is the improper integral 1/(2x-1)dx from 0 to 1/2 ? . .
  
• How do you find the derivative of #y=5/(x-3)^2#?
  
• How do you find the area between #f(y)=y(2-y), g(y)=-y#?
  
• What is the surface area produced by rotating #f(x)=sinx-cosx, x in [0,pi/4]# around the x-axis?
  
• How do you find the limit of #1/e^x# as x approaches #oo#?
  
• Which definite integral would you use to compute the area enclosed by the parabola y=-x^2+4 and the line y=2x-3?
  
• How solve it? Topic: DERIVATE
  
• 1} 30'20" into radians Plz ans soon !! ??
  
• What is the improper integrals 1/(x^2-16) dx from 0 to 4 ? .
  
• What is the improper integrals 1/(x^2+2x+2) dx from 0 to +infinity ? .
  
• What is d/dx of cos^-1 (1-x/1+x) ?
  
• What is the area enclosed by #r=8sin(3theta-(2pi)/4) +4theta# between #theta in [pi/8,(pi)/4]#?
  
• Find the area bounded by #f(x)=sinx# and #g(x)=cosx# from #x=pi/4# to #x=((5pi)/4.#. Make an accurate sketch of the graphs on the axis below?
  
• There are 40 marbles of radius #x#cm each & 60 marbles of radius #y#cm each. If #x# & #y# vary such that #x + y = 15#, how do I find the (exact) value of #x# & #y# that will make the sums of the volumes a minimum?
  
• What is #int ((arcsinx)^9) / (sqrt(1-x^2) dx#?
  
• What is the exact value of cos(-5pi/4)??
  
• What is the exact value of sin^-1 (1/2)??
  
• Find the limit by evaluating the derivative of a suitable function at an appropriate point? lim t approaches 0 (1-(1+t)^2/t(1+t)^2) Thank you very much
  
• How do you use the midpoint rule to estimate area?
  
• How do you differentiate #f(x)= (4x^2-1) *ln x# using the product rule?
  
• How do you graph the polar equation #r=-3sintheta#?
  
• How do you prove #(sinx + cosx)(tanx + cotx)=secx + cscx#?
  
• Find the volume of the solid by using cylindrical shells?
  
• F(y)=3-y and g(y)=3y-y^2 finding following?
  
• What is the surface area produced by rotating #f(x)=x/pi^2, x in [-3,3]# around the x-axis?
  
• How do you integrate #int sqrt(x^2-25) dx# using trigonometric substitution?
  
• Find the surface area of the solid of revolution obtained by rotating the curve y=2x^3 from x=1 to x=6 about the x-axis?
  
• How to find dy/dx of y=xsin(x)+cos(x) ?
  
• What is the limit of # (x^2 − 5x)/(x^2 − 4x − 5)# as x approaches 5?
  
• Find the surface area of the solid of revolution obtained by rotating the curve x=(2y−y^2)^(1/2) from y=8/16 to y=31/16 about the y-axis?
  
• What is the volume of the solid formed by the line?
  
• The area of the region bounded by the curve y=x^2 and y=4x-x^2 is ?
  
• How do you find the midpoint of ( 3, 8 ) and ( 5, 4 )?
  
• We have A(x) = x^2-6x+4 the question is factorise A(x) +5?
  
• Answer the following questions: Please refer to the questions in the image: Thank you?
  
• Convert (4, 5π/6) to rectangular form?
  
• Convert Φ = π/4 to rectangular form?
  
• How to write 857.375 in exponential form?
  
• What is the slope of the line passing through the points (−3, 4) and (4, −1)?
  
• What isthe area bounded by and from #x=pi/4# to #x=(5pi)/4#?
  
• Solve the equation step by step ?
  
• The area of one rectangle is 36 Square feet. The area of a second rectangle is 21 square feet. The rectangles have the same width and the dimensions are whole numbers. What is the width of both rectangles?
  
• What is the derivative of (1+x^2)-1?
  
• How do you find the limit of # ( x + sin(x) ) / (x) # as x approaches 0?
  
• Find the volume of the solid generated by revolving the region bounded by x=Siny,x=1,and x-axis about y-axis?
  
• Find the derivative r=(csctheta + cot theta) *-1?
  
• How do you evaluate #\cot (45^\@ )-\cos (30^\@ )#?
  
• How do you solve and check your solutions to #-6.1=p+2.2#?
  
• Marco's Nan and Olive each have $1.65 in their pockets they decide to combine the money how much money do they have all together?
  
• How do you find the integral of #sin(x^2)#?
  
• Differntiate Y=4x+3÷xsq+5?
  
• How do you evaluate the definite integral #int (x^2-x+6)dx# from [1,4]?
  
• How do you simplify # 8sqrt63 - 5sqrt7#?
  
• What is the area of a circle if the radius of the circle is 20 ? 3.14 is the approximate for pi
  
• Please help me with this calc question?
  
• What the is the polar form of #y = x^2y-x/y^2 +xy^2 #?
  
• How do you solve #(x+2) (2x+5)=0#?
  
• How do you find #lim t/sqrt(4t^2+1)# as #t->oo#?
  
• How do you simplify # sqrt (a^5 / 2)#?
  
• How do you differentiate #f(x)=(-4x)/(x^2-1)# using the quotient rule?
  
• Differentiate 1-√ax?
  
• What is the limit of #lim_((x,y)->(0,0))x^3/(x^2+y^2)#?
  
• What is the derivative of #"arcsec"(e^(2x))#?
  
• How do you graph and label the vertex and axis of symmetry of #y=-(x-4)^2+8#?
  
• How do you write the quadratic #y=-x^2+4x+12# in vertex form?
  
• How do you multiply #(- 9x ^ { 5} y ) ( - 9x ^ { 2} y ^ { 7} )#?
  
• How do you divide #2\frac { 6} { 7} \div \frac { 5} { 14}#?
  
• How do you translate the following phrase to an algebraic expression: a divided by q?
  
• How do you solve #x/2=(x+8)/7#?
  
• How do you simplify #6(sqrt 15) - sqrt 15 + sqrt 15#?
  
• What is the derivative of #y="arcsec"(x)#?
  
• How do I find the volume of the solid generated by revolving the region bounded by #y=x^2#, #y=0#, and #x=2# about the #x#-axis? The #y#-axis?
  
• How do you use trigonometric substitution to write the algebraic expression #sqrt(x^2+100)# as a trigonometric function of #theta# where #0<theta<pi/2# and #x=10tantheta#?
  
• What is #int cscx dx#?
  
• Solve #e^x-lnx<=e/x# ?
  
• What is the Cartesian form of #(-9,(5pi )/4)#?
  
• Express cos4x as powers of cosx. ?
  
• Can u pls simplify this cosh (3x/4)?
  
• How do you find the derivative of #f(x) = (5x^2 + 11)e^(-21x)#?
  
• Domain of a function?
  
• How do I determine #lim_(x->0.5^-)(2x-1)/|2x^3-x^2|#, if it exists?
  
• What is the axis of symmetry and vertex for the graph # y = 12x^2#?
  
• How do you simplify #-1.8 - 3.2 + 2.4#?
  
• The area of a triangle is 15 m^2. The height is 6 m, and the length of the base is #sqrt(3x-5)m. What is the value of x?
  
• How do you solve #2 sqrt 12 + 4 sqrt 27#?
  
• How do you simplify #sqrt1800/sqrt60#?
  
• How do you graph #x=-5# using intercepts?
  
• What is the derivative of #arctan(x/a)#?
  
• How do you graph #y+4=0# by plotting points?
  
• How do I use the vertex formula to determine the vertex of the graph for #y=-x^2+4x+12#?
  
• #lim_(t->0)(1-sqrt(t/(t+1)))/(2-sqrt((4t+1)/(t+2))#?
  
• How do you find the length of the curve #y=3x-2, 0<=x<=4#?
  
• How do you differentiate #g(x) = x^3sqrt(2x+1)# using the product rule?
  
• Next