08/07/21

Pls help! Trigonometry

given: PSTK is a rectangle Area of PSTK=562m^2 m∠TOK=75 Find:Ps, PK
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08/07/21

Differential equation, How I can resolve this?, please
Consider 1/2π< x <1/π for the differential equationdy/dx = y^2 / x - y/x + 1/x^31- Find the particular solution of the form yp(x) = xα cot(1/x)2-Find the general solution by doing y(x) = yp +... more
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08/07/21

A solid is formed by rotating the region bounded by y = x − x^2 and y = 0 about the line x = 2 . Use the shell method to find the volume of the solid.
Use the shell method to find the volume.
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08/07/21

differential equation
Find the general equationy' = y(y2 − x2 − 1) ⁄ x(y2 − x2 + 1)
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08/06/21

differential equation
help me with what method I should use to find the general solution, please(3x-y+1)y' = -x+3y+5
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08/06/21

Exponential and Logarithmic Models
A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit. Give answers accurate to at least 2... more
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08/05/21

work required to pump the liquid out the bucket
Create a bucket by rotating around the y axis the curve y = 5ln(x−1) from y = 0 to y = 6. If this bucket contains a liquid with density 740 kg/m3 filled to a height of 5 meters, find the work in... more
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08/05/21

Find the value of Yp
A suitable form for Yp for the equationy ^(5) - 4y^(3) = 2t isYp = At^4+ Bt³Select one:TrueFalse
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08/04/21

A region is bounded by x=y^2 and x=4 and y=0 and revolved about the line x=5. Find the volume using the shell method.
Use the shell method to find the volume.
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08/04/21

definite intergrals
i couldn't add certain signs of calculus hence a verbal mathematical illustration of the question being asked of you geniuses the integral with limits 0 to pie/2 sin2 x / (1+cosx)2 dx
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08/04/21

find the work in joules to pump the liquid out of the bucket
Create a bucket by rotating around the y axis the curve y = 5ln(x−6) from y = 0 to y = 4. If this bucket contains a liquid with density 700 kg/m3 filled to a height of 3 meters, find the work in... more
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08/04/21

please help! taylor polynominals
Suppose g is a function which has continuous derivatives, and that g(0) = 13, g'(0) = −11, g''(0) = 6and g'''(0) = 9.1---- What is the Taylor polnomial of degree 2 for g , centered... more
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08/04/21

Find the marginal cost when 800 units are produced
Suppose that the total cost in dollars of producing x units of a product is given byC(x) = 5,000 + 30xex/800.Find the marginal cost when 800 units are produced
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08/04/21

A region is bounded by x=y^2 and x=4, and y=0 and revolved about the line x=5. Find the volume of the solid using shell method.
Use the shell method to find the volume.
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08/04/21

Find the total income from the machines over the first 3 years
Suppose that a vending machine service company models its income by assuming that money flows continuously into the machines, with the annual rate of flow given byf(t) = 180e0.07tin thousands of... more
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08/03/21

a) Find a vector b)Find the equation of a plane

Consider the planes given by the equations2x−3y−5z=2,2x−2y+3z=4.(a) Find a vector v→ parallel to the line of intersection of the planes.(b) Find the equation of a plane through the origin which is... more
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08/03/21

Write a linear function g with the values g(2)=3 and g(6)=5. g(x)=?
kinda stuck need help on this problem.
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08/03/21

Show that the point (−1,−1,1) lies on both planes. Then find a vector parametric equation for the line of intersection.
(a) Find a vector parallel to the line of intersection of the planes −4x+2y−z=1 and 3x−2y+2z=1.v→ = 2i + 5j + 2k(b) Show that the point (−1,−1,1) lies on both planes. Then find a vector parametric... more
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08/02/21

Let P=(0,0,1),Q=(1,−1,1),R=(−2,1,−1) . Find (a) The area of the triangle PQR, (b) The equation for a plane that contains P, Q, and R.
Let P=(0,0,1),Q=(1,−1,1),R=(−2,1,−1) . Find (a) The area of the triangle PQR,(b) The equation for a plane that contains P, Q, and R.
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08/02/21

Find the distance between the skew lines P(t)=(2,0,2)+t⟨−2,−4,5⟩ and Q(t)=(4,5,−4)+t⟨3,5,4⟩.

Find the distance between the skew lines P(t)=(2,0,2)+t⟨−2,−4,5⟩ and Q(t)=(4,5,−4)+t⟨3,5,4⟩. Hint: Take the cross product of the slope vectors of P and Q to find a vector normal to both of these... more
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08/01/21

So the distance from 𝑃=(5,−4,4) P = ( 5 , − 4 , 4 ) to the line through the points 𝐴=(2,5,1) A = ( 2 , 5 , 1 ) and 𝐵=(5,4,−2) B = ( 5 , 4 , − 2 ) is
the distance d of a point P to the line through the points A and B is the length of the component of AP that is orthogonal to AB So the distance from 𝑃=(5,−4,4) P = ( 5 , − 4 , 4 ) to the line... more
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08/01/21

Suppose 𝑢⎯⎯⎯=⟨1,0⟩ u ¯ = ⟨ 1 , 0 ⟩ and 𝑣⎯⎯⎯=⟨2,−3⟩ v ¯ = ⟨ 2 , − 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are

Suppose 𝑢⎯⎯⎯=⟨1,0⟩ u ¯ = ⟨ 1 , 0 ⟩ and 𝑣⎯⎯⎯=⟨2,−3⟩ v ¯ = ⟨ 2 , − 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are ????
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08/01/21

Suppose 𝐵=(8,4) B = ( 8 , 4 ) and 𝐴𝐵−→−=⟨15,1⟩ A B → = ⟨ 15 , 1 ⟩ . Then

Suppose 𝐵=(8,4) B = ( 8 , 4 ) and 𝐴𝐵−→−=⟨15,1⟩ A B → = ⟨ 15 , 1 ⟩ . Then A= ??
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08/01/21

So the distance from 𝑃=(3,−3,3) P = ( 3 , − 3 , 3 ) to the line through the points 𝐴=(−1,−4,0) A = ( − 1 , − 4 , 0 ) and 𝐵=(−3,0,−1) B = ( − 3 , 0 , − 1 ) is

The distance  of a point  to the line through points  A and B is the length of the component AP of  that is orthogonal to AB, as indicated in the diagram.So the distance from 𝑃=(3,−3,3) P = ( 3 , −... more
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08/01/21

Find the distance the point P(-2, 2, 3), is to the plane through the three points Q(-1, 0, 2), R(1, -2, 5), and S(-3, -2, 4).

Find the distance the point P(-2, 2, 3), is to the plane through the three points Q(-1, 0, 2), R(1, -2, 5), and S(-3, -2, 4).
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