Jiskha Homework Help
Friday, May 20, 2011 at 4:09pm
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80 cal/g x 5 g 400g/cal or 400 cal/g not sure can any one help Neither. 80 cal/g x 5g = 400 cal. The unit g cancels to leave calories. x2+2x-15
my roots are (1+isq.root2)(1-isq.root2) I then used long division: X^4-4X^3+4X^2-9/X^2-X-4 I got the answer X^2-8X+32 with a remander of 119. Where did I go wrong?
Integrated Physics and Chemistry
The specific heat capacity of copper is 0.09 cal/g°C. How much energy is needed to flow into a 10-gram sample to change its temperature from 20°C to 21°C?
does anyone take pre-cal online ?
check my precalc
Rewrite each of the following as a product of linear factors 1. x^2+3 My Answer: (x+iroot 3)(x-iroot3) 2. x^2-2x+3 MA: (x-(1+iroot2))(x-(1-iroot2)) 3. x^4+x MA: IM not sure how to do it! can you help?
Find the roots of the following quadratic equations (if they exist)by the mnethod of completion of the square . (i) x^2-(root2+1)+root2=0
two forces F1 and F2 acting at a point have a resultant F. If F2 is doubled, F is also doubled. If F2 is reversed in direction, then also F is doubled, then options A. F1:F=1:1 B. F2:F=root3:root2 C. F1:F2=root2:root3 D. F1:F2:F=root2:root3:root2
parameterize the portion of the unit circle that begins at the point (-root2/2, root2/2) and ends at (0,-1)
Find all the zeroes of the polynomial 2x^4+7x^3-19x^2-14x+30 , if two of its zeroes are root2 and -root2?
What point on the unit circle corresponds to -5pi/4?
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