07/18/20

A 17.8-kg object is at rest on a horizontal surface. The coefficient of static friction is 0.65 and the coefficient of kinetic friction is 0.45. A horizontal force acts on the object...
A 17.8-kg object is at rest on a horizontal surface. The coefficient of static friction is 0.65 and the coefficient of kinetic friction is 0.45. A horizontal force acts on the object.a) Calculate... more
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04/29/19

If a system has 30J of heat added to it, and the total change in its internal energy is 40J, how much work does it do?
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04/29/19

Can you explain visually the difference between a line integral of a vector function and a line integral of a scalar function?
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02/28/18

C-C bond length in 1, 3-butadiene?
Why is the bond length between the two central carbon atoms 146 pm instead of 154 pm?
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02/28/18

How do I identify the acid, base, conjugate acid, and conjugate base for the reaction below?
Al (H2O)6+H2O <==> H3O+Al (H2O)5(OH)
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09/23/16

solve the formula for 1 variable in a literal equation.
The formula F = 9/5 (K-273.15) + 32 converts  temperature from Kelvin K to Fahrenheit F.  Solve the formula for K.  The answer in the book is K = 5/9 (F-32) + 273.15. Please explain, step by step,... more
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09/14/16

Function Word Problem
The telephone company charges a fee of $6.50 per month for the first 100 message units and an additional fee of $0.06 for each of the next 100 message units. A reduced rate of $0.05 is charged for... more
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09/13/16

Explain what the carrying capacity is in a logistic growth curve.
I don't understand what it wants from me.
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08/28/16

What is the approximate thickness of the the aluminum foil in millimeters? (1 ounce = 28.4g)
The aluminum in a package contains 75ft2 of kitchen foil weighs approximately 12 ounces. Aluminum has a density of 2.70 g/cm3.What is the approximate thickness of the the aluminum foil in... more
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08/24/16

333 milliliters of a solution of acid and water. If 12.5% of the solution is acid, how many milliliters of acid are there? Round your answer
A chemist is using 333 milliliters of a solution of acid and water. If 12.5% of the solution is acid, how many milliliters of acid are there? Round your answer to the nearest tenth.
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08/18/16

x = (80,320,a,a,a) mean = 100
 find the value of a
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08/09/13

How do I solve this equation: 5(x+3)-(4x-6)=-4
Help please!  I have substituted 25, 17, 13 and -25 from the answer bank - none of which balance out to a -4.  Completely stumped.
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08/09/13

what is the length of a rectangle with a width of 5ft and an area of 30 square feet?
How would I solve this question?  Please demonstrate and so me how you got the answer. thanks
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