Friday
May 24, 2013

# Posts by molly

Total # Posts: 400

chemistry
what is the effects of NH3(aq) and HCl(aq) on the CuSO4 or NiCl2 solution

maths
find the perpendicular distance from the corner of the triangle to the opposite side if the side is 25cm long

Math
Tony lines up 5 baseballs. They are as long as his pillow. He adds 15 more balls. How long is the line?

english
what is the analogy for monkey if cardinal is to bird as monkey is to?

pre-calculus
Write the first expression in terms of the second if the terminal point determined by the t is in the given quadrant: sin t, cos t; quadrant 2

algebra
evaluate 15^(2log base15(9))

physics
A car traveling at 91.0 km/h approaches the turnoff for a restaurant 30.0 m ahead. If the driver slams on the brakes with an acceleration of -6.40 m/s^2, what will her stopping distance be?

math
5 rounds up, so 85 would round up to 90.

Probability
Let Y be a Normal RV with mean 7 and standard devi- ation 4. a. Find P (Y = 7). b. Find P (Y < 5). c. Find P (Y ≥ 10). d. Find P (Y < 0). e. Find E[Y].

Probability
Consider an RV X with the following density given parameters α and γ . f (x) = {(1/γ)e^(-(x-α)/γ) if x>α {0 if x ≤ α. a. Find E[X]. b. Find V[X]. c. If α = 4, γ = 2, ﬁnd P (X > 8). d. Find P (X < α + 3^...

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