2x+10−−−−−−√=x+5 What is the product of the two solutions for x in the equation above

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

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