07/23/20
Consider the following. P(x) = x^3 + 2x^2 − 16x − 32, c = −2 Find all other zeros of P(x). (Enter your answers as a comma-separated list. Enter all answers including repetitions.) x =
i already tried -2,-4,4
07/22/20
Limit of trig functions
What is the limit lim x ->0 sin x^2 /(1-cos x)
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07/22/20
A poster is to have an area of 210 in2 with 1 inch margins at the bottom and sides and a 2 inch margin at the top. Find the exact dimensions that will give the largest printed area.
width=_____height=_____
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07/22/20
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions. eccentricity 1 2 , vertices on the x-axis, passing through (1, 3)
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions.
eccentricity 1
2
, vertices on the x-axis, passing through (1, 3)
07/22/20
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions. eccentricity 3 7 , vertices V(0, ±7)
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions.
eccentricity 3/7
vertices V(0, ±7)
07/22/20
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions. vertices V(0, ±6), passing through (4, 3)
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions.vertices V(0, ±6), passing through (4, 3)
07/22/20
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions. Horizontal major axis of length 8, minor axis of length 3
Find an equation for the ellipse that has its center at the origin and satisfies the given conditions.Horizontal major axis of length 8, minor axis of length 3
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07/22/20
Find the dimensions of the resulting box that has the largest volume.
An open box is to be made out of a 12-inch by 18-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting...
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07/20/20
Constrained optimization problem.
Given constants a > 0, b > 0, c > 0, find the minimum of J = x + y + z subject to (a/x) + (b/y) + (c/z) = 1.
The length of a rectangle is 9 feet longer than it is wide. If each side is increased 9 feet, then the area is multiplied by 2. What was the size of the original rectangle?
The length of a rectangle is 9 feet longer than it is wide. If each side is increased 9 feet, then the area is multiplied by 2. What was the size of the original rectangle?
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07/20/20
Find the equation of the tangents and normal line at the points indicated y=x^3-7x^2+15x-9 at its points of intersection with the x-axis
Can you help me answer this? Please?
07/20/20
Find the slope of the curve at the given point y(3xy-x^2)=16 at (2,2)
Please help me answer my h.w, thank you.
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07/20/20
Find an equation for the parabola that has a vertical axis and passes through the given points. P(2, 13), Q(−2, −11), R(1, 10)
Find an equation for the parabola that has a vertical axis and passes through the given points.P(2, 13), Q(−2, −11), R(1, 10)
07/20/20
Find an equation for the set of points in an xy-plane that are equidistant from the point P and the line l. P(−9, 2); l: x = −3
Find an equation for the set of points in an xy-plane that are equidistant from the point P and the line l.P(−9, 2); l: x = −3
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07/19/20
Trigonometry — Finding the area of a polygon inscribed in a circle
A regular nonagon is inscribed in a circle with a radius spanning 5 cm. Find the perimeter of P and area A of the nonagon.
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07/19/20
Find a function
Find a function f(x) such that f'(x)=-9e^x-8x and f(0)=-2f(x)=
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07/19/20
Let I = I3 be the identity matrix of order 3, and let f(x) = |A − xI|.
Let I = I3 be the identity matrix of order 3, and let f(x) = |A − xI|. (In the study of matrices, f(x) is the characteristic polynomial of A, and the zeros of f(x) are the characteristic values...
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Solving for x with ratios and shapes
Q: Consider an experiment in which a marble is tossed into a box whose base is shown in the figure. The probability that the marble will come to rest in the shaded portion of the box is equal to...
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07/18/20
You are given that sin(A)=−13/85, with A in Quadrant III, and cos(B)=56/65, with B in Quadrant I. Find sin(A+B). Give your answer as a fraction.
give answer as a fraction
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07/18/20
Given that sin(θ)=11/12, and θ is in Quadrant II, what is cos(2θ)?
give answer as a fraction
07/18/20
If cos(θ)=24/25, and θ is in Quadrant I, then what is cos(θ/2)?
give answer as fraction
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07/16/20
sketch the graph of function that meets the stated requirements.
1) Sketch the graph of a function that meets the stated requirements. a) 3 local maxima, 2 local minimum, and no absolute minimum b) two local minima , one local maximum , and five critical numbers
07/16/20
Finite Math: Probability
A container has nine marbles numbered 1, 2, 3, 4, 5, 6, 7, 8, 9. Two different marbles are selected at random from this container.(a) What is the probability that one of the marbles selected was...
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