A stone is tossed into the air from ground level with an initial velocity of 39 m/s. Its height at time t is h(t) = 39t − 4.9t^2 m/s. Compute the stone's average velocity over the time intervals

[1, 1.01], [1, 1.001], [1, 1.0001],

and

[0.99, 1], [0.999, 1], [0.9999, 1].

Estimate the instantaneous velocity v at t = 1.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170