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2 articles trouvés pour ce sujet.
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Parabolic arch |
2007-10-09 |
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Nisa pose la question :
A parabolic arch has a span of 120 feet and a maximum height of 25 feet. Choose suitable rectangular coordinate axes and find the equation of the parabola.
Then calculate the height of the arch at points 10 feet,20feet,and 40 feet from the center.
Stephen La Rocque lui répond. |
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The ratio of arm span to height |
2007-09-17 |
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Chandler pose la question :
I am doing ratios and I was wondering if... well let me explain first. I have data on the arm span and heights of 10 students including myself now i have my measurements of me are 66inches arm span. and 66 inches height. my second piece of data is 71 inches arm span and 67 inches height now my ratio is 71:67 right? i thought i would need to simplify. but i cant really simplify this ratio and these numbers. what do I do?
Stephen La Rocque lui répond. |
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