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How long will it take 36 grams of plutonium-240 to decay to 12 grams?
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In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=9, and ac=12, find hc.
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Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.
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The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.
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What number gives you a irrational number when added to 2/5
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How long will it take 36 grams of plutonium-240 to decay to 12 grams?...
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