What is the vertex of the parabola?

y−3=12(x+5)2

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The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Graph the following system of linear inequalities. identify at least two points in the solution: y < 5 - 2x | x + 5y > -7