05/12/19

How do I solve the following initial value problem x dy + (y - y^2 ln x) dx = 0, y(1) = 1/4?
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05/10/19

What is the volume of this object using calculus?
I have been trying to solve this problem and I have yet to figure it out.A volume is described as follows:1.) The base is the region bounded by x = -y2 + 12y + 20 and x = y2 - 26y + 176.2.) Every... more
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05/10/19

How do I find an integrating factor and solve (2x^2y + x) dy + (xy^2 + y) dx = 0?
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05/09/19

What is the position of the particle, s(t), at any time t? (Multiple Choice)
The velocity of a particle moving along the x-axis is v(t)= 1/sqrt(t). At t=4, its position is 2Choose 1 answer:A. s(t)=2t^1/2B. s(t)= 2t^(1/2) -2C. s(t)= 2/3t^3/2D. s(t)= 2/3t^3/2 -10/3
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05/09/19

Trig Word Problem
A person is standing 250 ft from the base of a tall building. The angle of elevation to the top of the building is 63 degrees. the angle of elevation to the top of the antenna located on the roof... more
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05/09/19

related rates calculus
Water is leaking out of an inverted conical tank at a rate of 8900 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has... more
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05/07/19

You are building a backyard for a school. The yard will be 3 sided as it will be built against the side of the house. You have 1800m of fencing to build the backyard.

Find the dimensions so that the total enclosed area is a maximum.
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05/07/19

using similar figures to solve problems
the tree in your friend’s yard casts a shadow that is 27 feet long. your friend is 5 feet tall and casts a shadow that is 4.5 feet long. what is the height of the tree?
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05/05/19

what is the distance from the base of the cliff to the impact point where the car hits the ground?

A car drives horizontally off the edge of a cliff that is 78.4 m high. The police at the accident scene make an initial guess that the car drove off the cliff with a speed 22.8 m/s. what is the... more
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05/04/19

Find an equation of the plane. The plane through the point (5,3,5) and with normal vector 2i + j - k?
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05/02/19

Find an equation of the tangent line to the curve y = sin (sin (x)) at the point (2pi, 0)?
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05/01/19

If the numeric perimeter of a right triangle is twice the numeric area of the triangle, and the hypotenuse is 9 more than one of the legs, what is the length of the longer leg?
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05/01/19

Find f if f''(x) = 4 - 18x, f(0) = 7, f(2) = 5?
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04/29/19

Calculus demand function
The marginal revenue for x items in dollars is given by R’(x)=-4x+8. Determine the (a) revenue function and (b) the demand function.For a I did ∫(-4x+8)dx=-2x^2+8xBut for b I don't know... more
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04/29/19

The perimeter of a rectangle is 92 feet Find its dimensions assuming that its length is 5 feet less than twice its width The width is and length is
The perimeter of a rectangle is 92 feet Find its dimensions assuming that its length is 5 feet less than twice its width The width is and length is
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04/29/19

Three vectors a, b, and c are given. a = −i + j − k, b = j − k, c = i + j + k
(a) Find their scalar triple product a · (b ⨯ c).
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04/28/19

From what height above the Earth should an object be dropped to experience an initial acceleration of 0.92g? (where in this case g= 9.8 m/s^2)
From what height above the Earth should an object be dropped to experience an initial acceleration of 0.92g? (where in this case g= 9.8 m/s^2)Im just so confused, what.
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04/25/19

A fruit bat falls from the roof of a cave. We know that her potential energy was 600J, and that the roof of the cave was 12 meters high. What is her velocity when she hits the ground?
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04/23/19

16sin^2xcos^2x. Use the​ power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1
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04/20/19

Calculus Question
The gravitational force, F , on a rocket at a distance, r , from the center of the earth is given byF= k/r2where K= 1013 newtons * km2 . When the rocket is 104 km from the center of the earth it is... more
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04/20/19

Help please, Math question !
What is the area of the shaded segment shown in  below?
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04/20/19

Consider the function f(x)=3cosx−cos3x for 0<x<2π
f(x) is concave up on the interval(s)=_____ f(x) is concave down on the interval(s)=_____
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04/19/19

Evaluate the integral [0,10] f(x)dx
Evaluate the integral [0,10] f(x)dx 8x, x<=5f(x)= and 9/x x>5
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04/18/19

A convex lens is needed to produce an image that is 0.60 times the size of the object and located 30 cm from the lens on the other side. What focal length should be specified?
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04/17/19

One number is 4 more than another. The difference between their squares is 80. What are their numbers?

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