Wednesday
December 4, 2013

# Posts by carl

Total # Posts: 213

statistics
6. In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their current stress level on a scale of 1 to 10. The table shows the survey results. Using a web-calculator, obtain the appropriate correlation coefficients. Number...

MATH
How would you go about finding x and y?? [x-8 2 2y] [9x-16 2 6] [ 2 -7x 7] = [ 2 -7 7] [-4 y-4 2] [-4 -1 2]

trig
How would you go about finding x and y?? [x-8 2 2y] [9x-16 2 6] [ 2 -7x 7] = [ 2 -7 7] [-4 y-4 2] [-4 -1 2]

Chemistry
1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of reacted antacid and excess HCL spattered out of...

I need help to unscramble these words in spanish
oaincooEdm arAilulq incEle asertdarccteoipPr erIoscrdapm loEcernoict lpaLaeliuc mroipliEeltbe

Use Demoivre's Theorem to find the fourth roots of -16. Leave the four roots in trigonometric form. How the heck do i do this?

Math
since they have the same y value, the line is vertical. So there is no y in the equation. The equation could be A= (any# except 0)x and thats it.

Math
how do i write that in terms of An? like An= (2)^n(-1)^n some thing like that? or is that right

Math
What is the equation for the sequence 1, 2, 1/4, 8, 1/16, 32,......

math
b = 20 + 1/2(t-1975) kg/person I think thats right/my guess, no promises =]

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