01/26/20

volumes by slicing
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.y=0,y=cos(3x),x=π/6,x=0 about the axis y=−2
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01/24/20

Factor and cubes
find a so that x + 1 is a factor4x^5 + 3x^2 + 2x + a
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01/24/20

Cartesian equation
Vector (4,5,-1) is perpendicular to the plane that contains point A(2,9,6). Find the Cartesian equation of this plane.
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01/22/20

Synthetic Division
Use synthetic division to solve:x5 - 4x4 - 2x3 + 4x2 + x = 0
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01/15/20

I need help with integral please!
Use your graphing calculator to evaluate to three decimal places the value of Options: 0.250 2.667 1.778 -3.251
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01/13/20

need help on how to this problem
Solve for :      The lower (or only) solution for this equation is    The higher solution for this equation is    The solution     is an extraneous solution (if any).(Fill in each with an integer... more
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01/09/20

Find the area of the largest isosceles triangle that can be inscribed in a circle of radius r = 14 (see figure).
Solve for the area, and write as a function of h and then as a function of a.
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01/06/20

Please help me on calculus - integral
Use geometry to evaluate  for Options: 12.5 25 37.5 Cannot be found
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01/03/20

2 cosx -3 sinx/6cos x + 4 Sin x

Wy cant I take the denominator as t as it is and get the answer, why is it necassary to take 2 common in the denominator.If I suppose t= denominator , then the answer isnt similar to as mentioned... more
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01/02/20

Use inverse functions where needed to find all solutions of the equation in the interval [0,2pi). 8sin^2x+6cosx-9=0
This involves solving Trigonometric equations
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12/27/19

divide using long division
-3x^5+11x^4+33x^3-26x^2-36x-6/x^3+6x^2-3x-5 i forgot how this is done can you explain?
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12/25/19

We have 350 m2 of material to build a box whose base width is four times the base length. Determine the dimensions of the box that will maximize the enclosed volume.
I set up the objective equation and the constraint equation.I think the objective equation is: (4w * l) = 350I think the constraint is lwh.How would you go about solving this? You would solve for... more
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12/24/19

Calculus: Volume by Uniform Cross Section

Find the volume of the sold whose base is bounded by y=x^2/3, y=4, and whose cross sections are semicircles with diameter on base.
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12/24/19

Not sure how to do this
In a certain rectangle, a diagonal has a length of 41. The perimeter of the rectangle is 98. Find the area of the rectangle.I am not sure how to do this, if someone could give a solution, that... more
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12/24/19

Help me with this trigonometry/problem solving question.
From an observation tower that overlooks a small lake, the angles of depression of point A, on one side of the lake, and point B, on the opposite side of the lake are, 7° and 13°, respectively, the... more
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12/23/19

Polynomial problems
Find all real zeros of the polynomials and determine the multiplicity of each. (solve by factoring)f(x) = x3 - 6x2 - 9x + 54f(x) = x4 + 5x3 + 6x2
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12/19/19

Volumes by cylindrical shell method
Use the method of cylindrical shells to find the volume V of the solid obtianed by the region bounded by the given curves about the x-axis. y=x3,    y=27,    x=0  V=
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12/13/19

What amount of a 60% acid solution must be mixed with a 20% solution to produce 300 mL of a 40% solution?

What amount of a 60% acid solution must be mixed with a 20% solution to produce 300 mL of a 40% solution?
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12/12/19

Direct Comparison Test to determine divergence or convergence
the series from 1 to infinity is: 5/ (n^(1/3)-2)The question is to determine convergence or divergence using direct comparison test. I wasn't sure how to do this because there's no value of bn that... more
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12/09/19

Find an equation of the ellipse
Find an equation of the ellipse that has vertices (4, 2) & (-2, 2) and foci (3, 2) and (-1, 2)
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12/08/19

Find the volume of the solid generated by revolving the region bounded by y=√x , y=1, x=0 about the y-axis
Help setting up the equation using the washer method?
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12/06/19

ALGEBRA PROBLEM! PLEASE HELP ME!
Add 17∠60º and 8∠220º(A) 24.67∠53.63º(B) 9.9∠76.10º(C) 25∠280º(D) 10∠13.90º(E) None of these
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12/06/19

Find the volume of the solid generated by revolving the region bounded by y=x and y=x^2 about the line x= -1
I have y=x as a upward diagonal line, y=x^2 as the upward facing parabola. and -1 down the inner left side of the graph. How am I suppose to put this into an equation? I'm having trouble... more
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12/04/19

MC Questions Calculus

(a) If f '(1) = 0 and f ''(1) = −3, what can you say about f?At x = 1, f has a local maximum.At x = 1, f has a local minimum. At x = 1, f has neither a maximum nor a minimum.More information is... more
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12/03/19

Calculus Question
If f(x) = xcos-1(x)-(1-x2)1/2 find f '(√(3)/2)a.0b.-1c.π/6d.1
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