Answers created by Alexander L.
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Please help solve this, I can't come up with a solution. The question is to find f? Given f:(0,+oo)->RR with f(x/e)<=lnx<=f(x)-1 , x in (0,+oo)
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After a system is added 40-J heat, the system does 30-J work. How do you find the change of the system’s internal energy?
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Question #483c3
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What do lattice theorists do?
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Question #bd5cc
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Question #5fabf
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How do you determine whether the sequence 3, 5/2, 2, 3/2, 1,... is arithmetic and if it is, what is the common difference?
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What instrument does an astronomer use to determine the spectrum of a star? Why is using this instrument better than using only a telescope to view the spectrum?
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What general trend is found in Period 3 as the elements are considered in order of increasing atomic number?
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How often is current reversed in the loops of a simple DC electric motor?
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Evaluate the limit of the indeterminate quotient?
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Question #aa46e
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How do you find all the factors of 28?
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How do you differentiate f(x)=csc^3(2x)?
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How do you graph y=(x^2-2x)/(2x+3) using asymptotes, intercepts, end behavior?
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For what values of x, if any, does f(x) = 1/((x-3)(x-2)) have vertical asymptotes?
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How do you solve using the completing the square method x^2+10x-4=0?
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Question #a20f5
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How do you find the domain and range of p(x)=x^2-2x+10?
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What type of technology might be used to build a low-carbon economy?
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What is || <-1, 4, 2 > - < -2 , -7, 3 > ||?
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Triangle A has an area of 24 and two sides of lengths 8 and 15 . Triangle B is similar to triangle A and has a side with a length of 12 . What are the maximum and minimum possible areas of triangle B?
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Question #376ba
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Is "world" a countable noun?
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If f(x)= cos 4 x and g(x) = -3x , how do you differentiate f(g(x)) using the chain rule?
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Why do people and animals breath heavily after running a race?
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Question #2eecb
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An electrically powered pump is used to pull water out of a well. In the
course of an afternoon, the pump does 8.3 kJ of work lifting water out of a well?
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How do you use the definition of a derivative to find the derivative of f(x) =e^x?
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How do you differentiate f(x) = ln(sqrt(arcsin(e^(2-x)) ) using the chain rule?
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Question #619bf
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Question #1fa6c
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How does beta decay work?
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Question #d3a53
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What is the kinetic energy of an object with a mass of 5 kg that has been in freefall for 4 s?
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How does pollution of the oceans affect the world?
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Is beta decay continuous?
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What is the projection of <4,9,1 > onto <-1,7,2 >?
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Question #e23ab
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Question #3f817
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How do you find abs( 1-isqrt3 )?
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A container with a volume of 25 L contains a gas with a temperature of 150^o K. If the temperature of the gas changes to 320 ^o K without any change in pressure, what must the container's new volume be?
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How do you solve 2e^(12x) = 18?
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How do you find the definite integral for: xcos(5x^2) dx for the intervals [0,4sqrtpi]?
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What is the gravitational potential energy of a 36 kg object on a shelf 7/8 m high?
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How much power is needed to accelerate an object with a mass of 4 kg and a velocity of 8 m/s at a rate of 2 m/s^2?
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How do you implicitly differentiate y-(3y-x)^2-1/y^2=x^3 + y^3- xy?
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Is 199 a prime number?
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Question #86099
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How would a black hole affect earth?
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Why is the earth tilted? How does this tilt effect our seasons?
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What is f(x) = int 1/(x-3)-x/(x-2) dx if f(-1)=6 ?
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Question #cb6b8
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What is sound energy?
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Question #849c4
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What two things does gravitational potential energy depend on?
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Question #f1260
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Is f(x)=(x-3)(x+3)(x-2) increasing or decreasing at x=3?
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How do you find the conjugate of the complex number 5 + 3i?
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The figure shows three forces applied to a trunk that moves leftward by 3.34 m over a frictionless floor. The force magnitudes are F1 = 5.39 N, F2 = 8.74 N, and F3 = 2.52 N, and the indicated angle is θ = 60°. ?
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What is the angular momentum of a gyroscope that is a solid cylinder with a radius of .24 m, a mass of 15 kg and a angular velocity of 140 rad/sec?
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Question #369d9
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Question #e4aa1
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How do you find the amplitude and period of y=0.5cos2pix?
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How do you graph and find the discontinuities of (x^2-1)/(x^2+4)?
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How do you solve this quadratic equation using the square root property (x+6)^2 = 121?
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How do you solve cos 2x- sin^2 (x/2) + 3/4 = 0?
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What nuclear decay can be stopped by aluminum?
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Question #9f171
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Question #f3570
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How do you solve 11 ^n − 8 − 5 = 54 ?
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What is the domain and range of f(x)= x^2 - 6x + 8?
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How do you factor 18x^2-27x+4?
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What are polar coordinates used for in real life?
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How do you find the average rate of change for the function f(x) = x^3 − 3x^2 on the indicated intervals [0,10]?
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How do you graph x= -3(y-5)^2 +2?
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Why is angular momentum perpendicular?
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Question #f4a49
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Question #f538f
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Question #90a50
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How can vectors be represented?
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What is the Rutherford's atomic model?
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A cyclist increases his kinetic energy from 11
00 J to 5 200 J in 12 s. How can I calculate his power output during this time?
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Question #8f009
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Question #219fc
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What is kinetic energy?
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Is resistance the same as impedance in an RC circuit?
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Question #b6edb
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How does alternating current transfer energy?
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Question #6f1d7