Measure of the supplement of an angle
The measure of the supplement of an angle is 40degrees more than the measure of the angle. Find the number of degrees in the supplement.
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A 2.00 E30 kg mass star orbits (in a nearly circular orbit) the center of a galaxy at an average distance of approximately 5.50 E23 m with an average period of approximately 1.70 E9 years. a) Use Kepler's third law to estimate the mass of the gala
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The gold-198 isotope is used in the treatment of brain, prostrate,and ovarian cancer. Au-198 has a half-life of 2.69 d. If a hospital needs to have 75 mg of Au-198 on hand for treatments on a particular day, and shipping takes 72 h, what mass of A
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A wooden object from a prehistoric site has a carbon-14 activity of 10 counts per minute (cpm) compared to 40 cpm for new wood. If carbon-14 has a half-life of 5730 years, what is the age of the wood?
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