02/27/19

A Worker Bee has a mass of 1*10^-4 kg. There are 4*10^4 worker bees living in one hive. What is the mass of all the worker bees in the hive together? Write it in scientific notation
I want to find how what is the mass of all the worker bees in the hive together. Please Help?
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02/20/19

Calculate the work required to lift a chain.
A 4-m chain with linear mass density ρ(x) = 2x(4 − x) kg/m from x = 0 to x = 4 lies on the ground. Calculate the work required to lift the chain from its front end so that its bottom is 2 m above... more
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02/19/19

i cant get this right
At a certain concert hall, Orchestra and Balcony tickets were sold for a Friday night concert. The Orchestra and Balcony tickets sold for $30 and $15, respectively. In order to break even with... more
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02/11/19

Find the horizontal and vertical components of a vector that is acting 30° above horizontal with a force of 500 N.
need help with how to answers this question and i dont know where to start can you help me
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02/11/19

Inequality: y<3x+2, when is y less than x?
I have to do a math project and I am lost and dont know what to do. I have to figure out when y is less than x and then verify and justify it. He told me something about y=x and we have to include... more
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02/11/19

Find the mass of a disk with radius R, thickness H, and density 𝜌(𝑟, 𝜃, 𝑧) = (z/r) cos 𝜃/4.
need help with homework please
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02/08/19

A 3,100 kg car moving at 94 km/hr brakes to a stop in 50 meters. What is the magnitude of the stopping force?
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02/06/19

very hard maths question
a = b + 12 b = c + 4write an equation to show the relationship between c and a
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02/03/19

Find the gradient of f (x,y,z) = x²y³z⁴ and f (x,y,z) = x²+y³+z⁴
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02/01/19

Find y when x= 9, if y=-15 when x=27
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01/23/19

Write the equation of the line tangent to circle x^2+y^2=20 at the point (4, -2) -show work
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01/23/19

Escape velocity of a Body from Earth is 11 km/s. Assuming the mass and radius of Earth to be about 81 and 4 times the mass and radius of the Moon
Calculate the escape velocity from the surface of the Moon.I am not able to understand the Question!
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01/22/19

Calculus Homework
Consider the function f(x) = 2x + 5 / √ x^2 − 1 . Find f(5), f(a), f(x + h).
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12/20/18

A baseball with a mass of 0.75 kg is traveling at a speed of 35 m/s. Its is caught in the catchers mitt and brought to a stop.

A. What is the change in the momentum of the ball?B. If it takes the catcher 1.5 seconds to stop the ball, how much force does the glove apply to the ball?
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12/13/18

I need a step by step on how to do this problem...Anyone want to help?
What is the velocity of an 8 kg lead shot-put if it has 484 J of energy?
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12/12/18

A 18 ft ladder leans against a wall. The bottom of the ladder is 3 ft from the wall at time t=0 and slides away from the wall at a rate of 2ft/sec. Find the v of the top of the ladder at time t=2.
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12/10/18

what is an equation of the line that is parallel to y=5x-7and passes through (1,11)
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12/07/18

An unknown substance with a mass of 100 grams absorbs 1000 J while undergoing a temperature increase of 15 degrees Celsius what is the specific heat of the substance

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12/06/18

Differential equation

X(dy/dx) - y=(x^p) +1, where x is a real number and is not 0. p is a positive integer, p>1. Solve the differential equation given that y=-1 when x=1. Give ans in form y=f(x)
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12/05/18

need help math question
if f(x)=3x^7-4/x^2+4 (3√x+1, find f'(x) and f''(x)
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11/29/18

(Calculus 1 class) Use Newton's method to approximate the indicated root of the following equation: the root of tanx=x in the interval (pi/2, 3pi/2)
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11/28/18

Value of the 2nd capacitor
A 7.7µF capacitor is charged by a 125 V battery and then disconnected from the battery. When the charged capacitor (C1) is then placed in a circuit with a second, initially uncharged capacitor C2,... more
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11/25/18

The line y = mx + 4 is a tangent to y = 3x^2 + 5x + 7. Find the value of m.
Working out please!Step by step..Thank you!
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11/13/18

Simple Urgent question: voltage for circuit
A 6V battery, three resistors and three voltmeters are connected. What are the possible readings for each voltmeter?My answer: 3V for top resistor, 3V for second resistor and 6V for the bottom... more
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11/08/18

How do you simplify 6-√ -8/2?
I have a lot of trouble simplifying negative square roots because I don’t understand how to do it.
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