Thursday
December 5, 2013

# Posts by Confused

Total # Posts: 291

math
A professor knows that in her class 37% of the students have passed an Algebra course, 29% have passed an English course, and 21% have passed both courses. If one student is selected at random from this class, find the probability that:

statistics
a) are the outcomes on the two cards independent? why? b) find P(3 on 1st card and 10 on 2nd) c) find P(10 on 1st card and 3 on 2nd) d) find the probability of drawing a 10 and a 3 in either order.

statistics
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck.

vectors and physics
A 40 kg weight is suspended at P which is held up By the ropes PQ and PR the ropes make angles at 160 degrees and 130 degrees respectively with the vertical, find the tension in the ropes

algebra
How to solve for the unknown: 2/3/10 = 1.8/r

biology
if a man is a hetero zygote for a trait but the woman is homozygous recessive, what are the chances that their children will be homozygous dominant

algebra
(2x(tothe2ndpower)-3x+4)-(3x(tothe2ndpower)-x+2= ????

math (perimeter)
i need to find the perimeter of a triangle with the demensions : 2(q^2-3q) , q+10 , and q^2 .

physics
A particle travels horizontally between two parallel walls separated by 18.4m. It moves towards the opposing wall at a constant rate of 7.2m/s. Also, it has an acceleration in the direction parallel to the walls of 2 m/s^2. a) What will its speed be when it hits the wall? b) A...

physics
THANK YOU!!!

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