If sinA=1/7, sinB=1/3.
Prove: cos2A=sin4A...
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How many grams must be adde to 970g to make 1 and a half kg
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Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?
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Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?
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