Saturday
December 7, 2013

Posts by bart

Total # Posts: 122

bibb
Consider a rider on a Ferris wheel which is turning at constant speed. (a) At what point is the upward component of the force of the seat on the rider minimum? (b) At what point is the upward component of the force of the seat on the rider maximum? Justify your answers.

Algebra 1
I do not understand how to figure out probability. Lee has an urn with 8 white marbles and 10 black marbles. A marble is drawn at random and not replaced. Then a second marble is drawn randomly. What is the probability that the first is white and the second is black?

Algebra 1
I do not understand how to figure out probability. Lee has an urn with 8 white marbles and 10 black marbles. A marble is drawn at random and not replaced. Then a second marble is drawn randomly. What is the probability that the first is white and the second is black?

Algebra
I am to find the equation of the axis of symmetry and the coordinate of the vertex of the graph of each function. I don't undertand y=2x^2+4

math
a mountain, 100 feet above sea level, is near a valley 700 feet below sea level. How many feet higher is the mountain than the valley? 800 feet

math
thanks ms sue

math
a mountain, 200 feet above sea level, is near a valley 700 feet below sea level. How many feet higher is the mountain than the valley? 900 feet

science
ms sue i dont get what youre trying to say so a is not the answer then

science
the width of a door and the length of a baseball ball are about a ______ long. a)meter b)centimeter c) liter d) kilometer e) none of the above A

science
what is the standard SI unit for measuring mass? kilogram just need to know if that's the right answer or not.

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