Tuesday
December 10, 2013

# Posts by Marco

Total # Posts: 219

probabilities
Question: Five cards are dealt from standard deck of 52 cards, what is the probability of being dealt 3 kings? Here is what I have P(3 kings)= C(4,3) = 3 out of 4 kings being dealt C(48,2 = 2 out of remaning cards to complete 5 card deal C(52,5) = 5 cards dealt out of 52 card ...

algebra
you have to isolate the variable, so based on that which one is easier to isolate? Y right? So the answer would be y=x+3

proabilities
LOL..not very realistic example by the textbook. Would you mind helping understand how you came up with that? which one of the probability formulas was used..I understand the answer just not sure how you came about it. Thanks

proabilities
Suppose the NBA has decided to add two more teams to the league. If 18 cities have applied for franchises, what is the probability that in a random drawing, the league selects the two westernmost cities? Having trouble with this one.

Math
Thank you!

Math
Confused on permutation or combination on this question: A VISA credit card has a first digit of 4 followed by 15 other digits. How many different VISA accounts does this allow? I know the formulas but I am having a hard time determining which one to use. Help!!!

Trigonometric Ratios
Right traingle ABC is graphed pm the coordinate plane and has vertices at A(-1,3), B(0,5), and C(4,3). What is the measure of angle C to the nearest degree? F:27 G:29 H:32 J:43

Geometry
The hypotenuse if a right triangle measures 9 inches and one of the acute angles measures 36 degress. What is the area if the triangle? Round to the nearest square inch.

Geometry
A right triangle has an angle that measures 55 degress. The leg adjacent to this angle has a length of 43 cm. What is the length of the triangle? Round to the nearest tenth

Math
thank you!

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