Wednesday

October 22, 2014

October 22, 2014

Total # Posts: 14

**chemistry**

The vacancy fraction of a particular metal is found to double as the temperature of the metal is increased from 700 degrees C to 850 degrees C. Calculate the enthalpy of vacancy formation for this metal. Express your answer in units of eV.
*January 13, 2013*

**chamistry**

The vacancy fraction of a particular metal is found to double as the temperature of the metal is increased from 700 degrees C to 850 degrees C. Calculate the enthalpy of vacancy formation for this metal. Express your answer in units of eV.
*January 13, 2013*

**calculus**

solve the firs-order differential equation by separating variables y'=xy^3/√(1+x^2)
*April 10, 2012*

**calculus**

determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false a) the function f(x)=3/2 +cx^-2 is a solution of the differential equation xy'+2y=3 b) the differential equation dy/dx= (f(x)g(y...
*April 10, 2012*

**PROBABILITY**

There are 3 lucky tickets among 10 lottery tickets. 3 tickets are drawn at random. What is a probability that one ticket selected randomly from those three is lucky?
*October 21, 2010*

**Probability**

There are 3 lucky tickets among 10 lottery tickets. 3 tickets are drawn at random. What is a probability that one ticket selected randomly from those three is lucky? PLEASE HELP
*October 20, 2010*

**PROBABILITY**

There are 3 lucky tickets among 10 lottery tickets. 3 tickets are drawn at random. What is a probability that one ticket selected randomly from those three is lucky?
*October 20, 2010*

**PROBABILITY**

A card is drawn at random from a deck of 52 cards. What is a probability that it is a King, given that it is a face card (J, Q, K)?
*October 19, 2010*

**Probability**

A card is drawn at random from a deck of 52 cards. What is a probability that it is a King, given that it is a face card (J, Q, K)?
*October 19, 2010*

**Probability**

A card is drawn at random from a deck of 52 cards. What is a probability that it is a King, given that it is a face card (J, Q, K)?
*October 19, 2010*

**PROBABILITY**

A card is drawn at random from a deck of 52 cards. What is a probability that it is a King, given that it is a face card (J, Q, K)?
*October 19, 2010*

**PROBABILITY**

The list of 16 topics was given to students to prepare for exam. 16 students prepared themselves for all 16 topics, 6 students prepared for 10 topics, and 3 students prepared only for 6 topics each. The rst invited student was prepared for 2 topics contained in the ticket...
*October 13, 2010*

**PROBABILITY**

There are 3 lucky tickets among 10 lottery tickets. 3 tickets are drawn at random. What is a probability that one ticket selected randomly from those three is lucky?
*October 13, 2010*

**PROBABILITY**

Do we need to use A or C (combainations)
*October 12, 2010*

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