Mathematics, 15.02.2021 07:30, dudeper40

Where do parabolas store their holiday decorations?

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Mathematics, 21.06.2019 19:00, lexipooh7894

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)

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Mathematics, 21.06.2019 23:00, moncho6222

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

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Mathematics, 21.06.2019 23:20, galaxyomg661p0edpt

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Mathematics, 22.06.2019 00:30, sanfordl

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?