Mathematics, 16.12.2020 23:00, cmessick03

Who is good at math? I NEED HELP

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Mathematics, 21.06.2019 16:00, skylarschumacher7

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

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Mathematics, 21.06.2019 16:50, gesic2003

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?

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Mathematics, 21.06.2019 18:30, jamilecalderonpalaci

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

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Mathematics, 21.06.2019 22:40, chuchi24

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y

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Who is good at math? I NEED HELP...