Mathematics, 08.01.2021 18:40 ling1975
La suma de dos números es 81. La diferencia de los mismos dos números es 33. Escribe un sistema de ecuaciones para representar esta situación. Luego encuentra los números.
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The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
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The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
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In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2
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La suma de dos números es 81. La diferencia de los mismos dos números es 33. Escribe un sistema de e...
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