Mathematics, 27.07.2021 05:50, july00

Can someone explain this / answer, Its a picture

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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 18:00, coolkid20034

Need on this geometry question. explain how you did it.

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Mathematics, 21.06.2019 22:00, shelovejaylocs

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

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Mathematics, 22.06.2019 00:00, egirl7838

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?

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