Answers created by Sean

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• How do you solve: #csc^4x-4csc^2x=0#?
  
• How do you solve: cot(-x)cos(-x)+sin(-x) ?
  
• How can I find an equation for the perpendicular bisector of the line segment that has the endpoints , (9,7) and (−3,−5)?
  
• Sin^2 120° + cos^2 150° + tan^2 120° + cos180° - tan135° Please Solve Value ?
  
• F(x) = (x cosx + 3 tanx)/ (x² + sinx), For x≠0 f(x) = 4, for x=0 At x=0 is such that? (a) it is continous (b) it has irremovable discontinuity (c) it has removable discontinuity (d) lim f(x) = 3 x->0
  
• Can someone pls show me the VR (Voltage-Resistance) Graphs for an NTC thermistor, filament lamp and conductors?
  
• Integrate #(2x-1)(3x^2-3x+5)^8 #?
  
• How do you solve sin2θ=-cosθ ?
  
• How does one find sin2x, cos2x, and tan2x if sin x = -2/#sqrt13# and x is in quadrant IV?
  
• Cos x/1+sin x= 1-sin x/ cos x ?
  
• How Can Ken use Similar Triangles to find the height of a Building?
  
• How do you graph the function y=2x-3?
  
• The lengths of the two legs of a right triangle are 18 centimeters and 12 centimeters. What is the exact length of the hypotenuse?
  
• What is the area of an equilateral triangle with sides 8 inches long?
  
• Sec^2(x)-sec(x)=2?
  
• The question is as follows?
  
• Solve by using the quadratic formula?
  
• How do I find constants -K and A in a logistics model?
  
• Two friend share 5 cereal bars equally.how much cereal bars does each friend get?
  
• If you graph 3x^2-18x=6-3y what would be the y-int?
  
• Can someone help me solve for this side?
  
• The average age of 8 men is increased by 2 when one of them, whose age is twenty years, is replaced by a new man.What is the age of the new man?
  
• How to find x in the equation: x*cos(x)=0.3 ?
  
• Each rectangle is 6cm long and 3cm wide, they share a common diagonal of PQ. How do you show that #tanalpha = 3/4#?
  
• Admission to play is $24 for adults and $15 for seniors. If 120 people attended the play and the total ticket sales are $2592, how many adults attend the play?
  
• Lim x->oo {x-(x^2)*ln((1+x)/x)} please explain all of phase...? thanks.
  
• What are the local extrema, if any, of #f (x) =xe^(x^3-7x)#?
  
• Cos80°-cos40°+√3cos70°=?
  
• How do I find an expression for f(x), with the properties, f'(x)=sin(x)/x and f(1)=1?
  
• Determines the volume that originates the surface bounded by the parabola and the line when turning around the axis Y?
  
• Peter had a pocketful of dimes. Charlene had the same amount in quarters but had 15 fewer coins. How much money did Peter have?
  
• Lim x→3 [8x/ (x−3)^2 ] Why does the result is infinity positive?
  
• A luggage wagon is being pulled with vector force V​, which has a magnitude of 750 pounds at an angle of elevation of 63 degrees. What is vector V in components?
  
• Question is lengthy so I've attached the screenshot. Can you help? It's probability.
  
• What are the relative extreme values of the function?
  
• Determine all the zeros of m(x)=x^2-4x+3 Algebraicaly?
  
• A point P moves around a circle of r = 1ft at 20rpm (rotations per minute). Find the linear velocity (to the nearest feet per minute)?
  
• How does one convert polar equations to rectangular form given; angle = 7pi/4 and r(sin of angle) = 7?
  
• What is the surface area of the triangular prism?
  
• Can someone PLEASE help I have tons of these problems and not even the slightest idea of how to do them?
  
• How do I integrate cos^-1 (x/2) dx??
  
• Please help! the question is in the picture. how i do it?
  
• How we integrate this, ?
  
• How to integrate this?
  
• Solve (sinx)(tanx) = 3sinx for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian ?
  
• Evaluate evaluate f(x)=e^8x^2 +4?
  
• On a two-lane highway, a car is 15m behind a truck (distance between midpoints), both traveling at 80 km/h. The car has a maximum acceleration of 3m/s^2. The driver of the car wants to pass the truck and be back in the right line 15m ahead of the truck?
  
• List the steps IN ORDER to prove that: (sinx)(cosx)(tanx) + cos2x = 1 ?
  
• If #f(x)=(x+3)(x-1)^2#, how do you find the local maxima and minima at #x# using the second derivative?
  
• The region R is bounded by the graph of f(x)=2x(2-x) and the x-axis. Which is greater, the volume of the solid generated when R is revolved about the line y=2 or the volume of the solid generated when R is revolved about the line y=0?
  
• Help me this problem of integral trigonometric for substitution please,find the volume of solid for rotation of region delimited for curves y=senx,y=0 and #pi/2<=x<=pi# about x axis ?
  
• Determine where f is continuous when f(x)=(lnx)^2?
  
• Find the ratio of students who attended less than (H)/(2) hours of lectures ?
  
• Find the volume of solid generated from revolving a region bounded by #y=sinx# and #y=0# between #x=pi/2# and #x=pi# around the #x#-axis.?
  
• Integral #int dx/(x^2sqrt(x^2-16))#?
  
• #9 1/6 - 3 2/9=# How do I do this math problem?
  
• Write the equation of the graph below AS A COSINE FUNCTION??
  
• Integrate (xdx)/(sqrt(x^2-1)) ?
  
• My friend gave me a nasty integral: #int sqrt{1 + (-sin(0.7x^{1.18})0.826x^{0.18})} dx#. Can anybody give me some advice on how to solve this?
  
• An apartment complex has 250 apartments to rent, if they rent x apartments then their monthly profit in roller is given by p(x)=-8x^2 + 3200x - 80000 How many apartments should they rent in order to maximize their profit?
  
• If n is any positive integer, prove that integral : #int_0^pisen^2(nx)dx=pi/2# ?
  
• The graph of the function f(x)=x^2 - 2x. draw the line tangent to the point (0,0). then estimate the slope at the point?
  
• The solid whose base is the region bounded by y= x^2 and the line y=1 and whose cross sections perpendicular to the base and parallel to the x-axis are squares? .
  
• Given a graph of an object's acceleration vs time. When t=0 the position and velocity of the object are both zero. The graph crosses the time axis at 3 and 5. At t=3 would the object be moving forward, backward or is it still?
  
• Find f^(4)x when f(x)=x^4+3x^2-2/√x?
  
• Integral #int dx/(x^2sqrt(x^2-16))#?
  
• Solving for theta? #1/2 = cos^2(2*pi*sin(theta)) #
  
• Solve: #sinx+cosx=sqrt(2)# one the interval # (-2pi<=x<=2pi)# ?
  
• How to get surface area of a cone using integral calculus?
  
• Which line has a slope of 0 and goes through the line [5,-8]?
  
• Which line has a slope of -5/8 and goes through the point [2,3]?
  
• Find cotangent of theta if cosecant of theta equals 8/3?
  
• What are the exact solutions for 2cosϴ+2sinϴ=√ in [0,2π) interval?
  
• 1 mile-5289 feet 1 foot= 12 inches 1 inch=2.54 centimetres find the percentage error in converting miles to kilometres using the approximate conversion 5 miles= 8 kilometres ?
  
• How do you write in simplest radical form the coordinates of point A if A is on the terminal side of angle in standard position whose degree measure is #theta#: OA=0.5, #theta=180^circ#?
  
• The pitch of the roof on a building needs to be 3/14. If the building is 38 ft​ wide, how long must the rafters​ be?
  
• (-1+i)/(1+i) What is this in standard notation?
  
• I need help with these asap please thank you i don't understand?
  
• Solve the right triangle if sinB = 6/7? I attached a picture of the triangle as well. Thank you.
  
• Cos(x+pi/3)+cos(x-pi/3)=cosx Have the show the statement and the rules? Thanks again
  
• Find the area of the region enclosed by y=ln(x) ,the x-axis,the y-axis and y=1 ? (a) dx select (b) dy select
  
• What are the equations of the horizontal asymptotes of the graph?
  
• Can anyone explain the derrivative of anti-trig functions (especially arctan)?
  
• What is the integral of (x-1)^2*sin(x^2-2x+3)?
  
• Find the extremums of the function? #y^2+2x2y+4x-3=0# Thanks much..
  
• How to find the coordinates of each point on the curve where the tangent line is vertical?
  
• How can I solve the differential equation #y'= sinx - xsinx# ?
  
• Find the area of a 9-gon with apothem length 8? Round to a whole number.
  
• Can someone please help me with this system of equations?
  
• How to find the value of a?
  
• How do you find the parametric equation of a tangent line at t=3 for the motion of a particle given by x(t)=7t^2+4 and y=3t^3?
  
• Help solving these triangles?
  
• Integrate the following? #5x^2 e^(x^3) dx#
  
• Integrate ? #3sqrt(4x+3) dx #
  
• Integrate ? #(2x+1)e^(x^2+x) dx#
  
• Can someone help me with this question ? i cant find the derivatives or the others !! someone help me please ?
  
• Find the extremums of the function? #y^2+2x2y+4x-3=0# Thanks much..
  
• Find the angle measures of inscribed quadrilateral ABCD?
  
• A square has diagonal of 10cm. Find the sides of the square?
  
• Find the length of a diagonal of a rectangle of length 9cm and width 4cm ?
  
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