Wednesday
December 11, 2013

# Posts by blue

Total # Posts: 72

physics

physics
okay a race car's velocity increases from 4 m/s to 36 m/s over a 4 s time innterval, its average acceleration would be 10 m/s 2 ? would this question be true ?

physics
a motorized scooter starts from rest and accelerates for 4 s at 2 m/s2. it continues at a constant speed for 6 s . What is the scooter's average velocity for the interval 0-4 s ?

physics
A race car accelerates from 0.0 m/s to 30.0 m/s with a displacement of 45.0 m. what is the car's acceleration ?

statistics
P(proportion) is 0.05446, n is 863 and a 90% confidence interval is required. What is this confidence interval?

statistics
3. Nationally, the distribution of weapons used in robberies is as shown in the table along with the weapon used in 1652 robberies on school property. Weapon Overall 1652 Robberies Gun 0.42 329 Knife 0.09 122 Strong-arm 0.40 857 Other 0.09 344 Does the distribution of weapons ...

Calculus
Find all points on the curve here the slope is 1 y = x^4 - 31x + 11

Calculus
Find all points on the curve where the tangent line is horizontal y = (x^6/6) - (x^2/2) + 1

Calculus
Find the indicated limits. If the limit does not exist, so state, or use the symbol + ∞ or - ∞. f(x) = { 2 - x if x ≤ 3 { -1 + 3x - x^2 if x > 3 a) lim 3+ f(x) x->3 b) lim 3- f(x) x->3 c) lim f(x) x->3 d) lim ∞ f(x) x->3 e) lim -∞ f...

Calculus
Find the constant c so that lim [x^2 + x + c]/[x^2 - 5x + 6] exists. x->3 For that value of c, determine the limit. (Hint: Find the value of c for which x - 3 is a factor of the numerator.)

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