Wednesday
December 11, 2013

# Posts by bart

Total # Posts: 122

health
What are some methods that are used to uncover basic emotions? Which one of these methods is the most effective? Why?

What are some methods that are used to uncover basic emotions? Which one of these methods is the most effective? Why?

Geometry
I am to find "d" (the hypotenuse)in the simplest radical form of a right triangle. The two angles are 30 degrees on top and the on the bottom is 60 degrees. Of course the opposite side to the left of 60 is 90 degrees. My options are: A) 8sqrt3 B) 4 C) 8sqrt2 D) 16 I ...

Algebra: I don't understand
If P(A) =7/36, P(B) =1/6, and P(A and B) = 0, what can you say about P(A or B)? Would the answer be 13/16? I am just guessing. I am assuming we have to find a commond denominator and then add?

Statistics am I correct?
Each of ten tickets is marked with a different number from 1 to 10 and put in a box. If you draw a ticket at random from the box, what is the probability that you will draw 2, 3, or 1? A) 1/2 B) 1/10 C) 1/3 D) 3/10 P=1/10 for 1 P=1/10 for 2 p=1/10 for 3 P=3/10

2-25.125=-23.125 = 534.77 5-25.125=-20.125 = 405.02 47-25.125=21.875 = 478.52 11-25.125=-14.125 = 199.52 13-25.125=-12.125 = 147.02 48-25.125=22.875 = 523.27 39-25.125=13.875 = 192.52 36-25.125=10.875 = 118.27 Sum 2598.41 If I divide by one less,which I am supposed to do I thi...

Standard Deviation-What?
I cannot figure out how to do standard deviation. standard deviation 2, 5, 47, 11, 13, 48, 39, 36

Consider the experiment of rolling a single die. Find the probability of the event described. What is P(odd or prime? Since this is an "or" problem would the problem consist of 3 chances out of 6 thus my answer = 1/2?

y = 2x^2 I am to decide if this is a linear, quadratic or exponential function. I chose that the above function is quadratic. Am I right?

albebra
I do not understand how to find x on a graph when there is no equation. I have the possible answers: a) x= -3, b) x=-1, c) x=5, d) x=1 It asks me to find the value of x when y is 5; however, the graph I have has a line (0,2) on the y axis and on the x axis it looks like it cou...

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