Mathematics, 12.06.2021 03:20 sophiaaacake
On a standardized exam, the scores are normally distributed with a mean of 69 and a standard deviation of 20. Find the z-score of a person who scored 89 on the exam.
Answers: 3
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What is the first step of an indirect proof of a number that is divisible by two
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Mathematics, 22.06.2019 00:30
Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?
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Mathematics, 22.06.2019 02:00
Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.
Answers: 1
Mathematics, 22.06.2019 02:30
Write a ratio and a percent for the shaded area. it is 3x3 and 5x5 grid there is 6 shaded out of a. 6 over 25 , 30% b. 3 over 50 , 6% c.6 over 25 , 24% d. 3 over 10 , 30%
Answers: 1
On a standardized exam, the scores are normally distributed with a mean of 69 and a standard deviati...
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