10/23/13

volume= 54 cubic inches and the bottom of the box to be a square.
Suppose the bottom of the box has a width that is 3 inches smaller than the height x of the box.  Write write a polynomial equation for the volume of the box, solve the equation from part (a).  How... more
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10/23/13

Algebra help
If you enclose a rectangle garden using a side of a building as one side of the rectangle, what are the dimensions of the garden if it is to be the maximum area that you can enclose with 42 feet of... more
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10/23/13

Algebra help
A boat travels 16 miles upstream and 15 miles downstream. The total time for both parts of the trip is 9 hours. The speed of the boat in still water is 9 mph. Find the speed of the current. 
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10/23/13

how do you find the y intercept
How do I find out how to find the y intercept
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10/23/13

Polynomial Functions
Please step by step instructions   Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = x4 + 4x3 + 12x2 + 36x + 27     Thank You :-)  
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10/22/13

A 1200 kg car going 30 m/s skids to a rest.
The friction force is 6000 N. How far does it skid?
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10/22/13

Physics help.
What force is needed to accelerate a 1300 kg car from rest to 20 m/s in 80 m?
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10/22/13

A car is moving at 100 km/hr.
its mass is 950 kg. find it's ke.
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10/22/13

An alloy containing 30%gold is mixed with a 60% gold alloy to get 300 kilograms of alloy that is 50%gold . How many kilograms of each alloy were used?
 how much of each was used?
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10/21/13

Find the speed of the airplane in still air.
An airplane flew for 5 hours against a 20ph headwind. The return trip with the wind took 4 hours. Find the speed of the Plane in still air and explain how you arrived at your conclusion.
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10/21/13

How fast would a 15 kg box accelerate?
How fast would a 15 kg box accelerate down a 25º snowy slope if the coefficient of kinetic friction were 0.15?
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10/21/13

solve the system of equations 5x-3y=-1 and Y=2x
solve the system of equations 5x-3y=-1 and Y=2x
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10/21/13

What is minimum amount?
A sled of mass 40 kg is pulled along flat, snow-covered ground. The static friction coefficient is 0.28, and the kinetic friction coefficient is 0.0800. What is minimum amount of force needed to... more
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10/21/13

Find the acceleration?
A 10 kg box is resting on a smooth (frictionless) horizontal surface of a table. You pull the box by the attached ribbon with a force of 40 N at a 30 degrees angle from the surface of the table.... more
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10/21/13

An man inspects every 36th egg for cracks and every 48th egg for weight. What is the fist egg he checks for both?
A man inspects every 36th egg for cracks and every 48th egg for weight. What is the first egg he checks for both?
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10/17/13

Is the rope in danger of breaking?
A 80 kg container is lifted by a rope. The rope is guaranteed not to break if the tension is up to 800 N. The container started at rest, and after 2 seconds is moving at 3.0 m/s. Is the rope in... more
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10/16/13

A finger pushes a chess piece horizontally to the right with a force of 0.06 N. The piece begins to slide to the right.
The coefficient of friction is 0.5 and the chess piece's mass is 0.02 kg. Find the acceleration of the chess piece.
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10/16/13

A box weighing 150 N is at rest on a horizontal floor. The coefficient of static friction is 0.4.
What is the smallest force F exerted eastward and upward at an angle of 350 with the horizontal that can start the box in motion?
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10/16/13

A crate on a ramp will slip if the inclination is 55 degrees.
a.) What is the coefficient of static friction?b.) The block has a mass of 5 kg. What is the force of friction on it before it begins to slip?
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10/16/13

A 100N object is on an incline at 370. The coefficients of static and kinetic friction are both 0.30.
a.) What is the smallest force parallel to the incline needed to keep the object from sliding down? b.) What parallel force is required to keep  the object moving up the incline at a constant... more
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10/11/13

Find the Slop and y intercept of a line
Find the slope and y intercept (show all work)   2x+2y=20
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10/10/13

Find how many of each coin is there
kevin and randy have a jar containing 57 coins all of which are either quarters or nickels the total value of the coins is $8.85 how many of each type of coin is there please help
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10/10/13

i need help with a momemtnum problem on my homework
a 2kg blob of putty moving at 3 m/s slams into a 2 kg of putty at rest. what is the initial momentum of the two blobs? what must be the final momentum of the two blobs? Also, calculate the velocity... more
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10/07/13

3 partners inverst. 1 for $9,000, 1 for $7,000 and 1 for $4,000 Profits $4800.00 how much should each get proportionately?
Three people invest different amounts of money. The total profits are $4800.00. The first person invests $9,000, the second one invests $7,000 and the third person invests $4,000. How much less... more
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10/07/13

4x-y=5 when y=4x+1
need to solve and get an ordered pair
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