Tuesday

April 28, 2015

April 28, 2015

Total # Posts: 6

**math**

construct a frequency and a cumulative frequeny histogram based on the table below. the range for the table are:1-10,11-20,21-30,41-50 The frequency is 2, 3 , 4,4,7, I need to find the cumulative frequency then graph it , I know how to graph it You have 4 ranges for scores, ...
*August 12, 2007*

**math**

solve the following system of equations algebraically or graphically for x and y: y=xsquare-6x+6 y-x=-4 For an algebraicc solution, show your work here. y=x^2-6x+6 y-x= -4 Let's substitute x-4 for y in the first equation. x-4 = x^2-6x+6 x^2 -7x + 10 = 0 (x-5)(x-2) = 0 x = ...
*August 12, 2007*

**MATH**

The transformation T-2,3 maps the point (7,-3)onto the point whose coordinates are: A.(-8,13) B. (5,0) C.(10,-5) D.(5,-6) A transformation adds to the x and y coordinate. Your answer will be the simplification of (7 + -2, -3 + 3).
*August 11, 2007*

**MATH**

The image of point (-3,5) when reflected in the y-axis is: A.(5,-3) B.(5,-3) C.(-3,5) D.(3,5) Hint: the Y value will be the same and the X value will change signs. Here is a neat visual that will help you to understand reflections. Take a sheet of graph paper, draw the x and y...
*August 11, 2007*

**Math**

How many different 5- member committees can be formed from 9 students? A.24 B.126 C.15,120 D.362880 9!/(5!*4!) 1*2*3*4*5*6*7*8*9/[(1*2*3*4*5)(1*2*3*4)] = 6*7*8*9/(1*2*3*4) =126
*August 11, 2007*

**math**

A rock is thrown vertically up from the ground with a velocity of 24 meters per second, and it reaches a height of 2+24t-4.9tsquare after t secounds. A. How many seconds after the rock is thrown will it reach its maximum height? B.What is the maximum height the rock will reach...
*July 16, 2007*

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