Reference no: EM13956317
1. The weights in pounds of six elementary students are: 80,92,71,63,76, and 83. Find the following:
(a) mean ____________
(b) median ____________
(c) mode __________
(d) range ___________
(e) standard deviation (to the nearest tenth of a pound) _______________
2. A bag contains five red candies, six white candies, and seven blue candies. Suppose one piece of candy is drawn at random.
Find the probability for each of the following:
(a) A white candy is drawn. _______
(b) A red or blue candy is drawn. ______
(c) Neither a white nor a blue is drawn. ____
3. Two lines are parallel if they have the same slope. Explain why the points with the following coordinates form a parallelogram.
A(3,4) B(5,8) C(8,3) D(6, -1)
4. In each of the following answer true or false. Justify your answers.
(a) Congruent triangles are also similar.
(b) Two similar triangles are also congruent triangles..
(c) Any two equilateral triangles are similar.
5. If each dimension of a box is quadrupled, how are the surface area and the volume affected?
6. Find the volume of the figure below (assume a right circular cylinder on bottom and half a sphere on top.
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Find the acceleration of both objects and tension in string
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Why the points with the coordinates form parallelogram
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How much is the mean increased
: Grace claims, "the probability of rolling a sum of 12 when you roll two dice is 1/11 , because two dice have sums 2 through 12 which means there are 11 possible sums." How do you respond?
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