Mathematics, 14.03.2020 17:53 charisaramsey
A piece of metal is heated to 428°C before it is left to cool. The temperature of the metal falls at a rate of 23°C per minute for the first 3 minutes, at a rate of 15°C per minute for the next 15 minutes and then at a rate of 8°C per minute until it reaches room temperature of 25°C. What will be the temperature of the metal after 9 minutes, and what will be the time needed for the metal to reach a temperature of 25°C ?
Answers: 1
Mathematics, 21.06.2019 18:30
Which value would be a solution for x in the inequality 47-4x< 7
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Mathematics, 21.06.2019 20:30
Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.
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Mathematics, 22.06.2019 00:30
Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15
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Mathematics, 22.06.2019 01:30
In 2000, for a certain region, 27.1% of incoming college freshman characterized their political views as liberal, 23.1% as moderate, and 49.8% as conservative. for this year, a random sample of 400 incoming college freshman yielded the frequency distribution for political views shown below. a. determine the mode of the data. b. decide whether it would be appropriate to use either the mean or the median as a measure of center. explain your answer. political view frequency liberal 118 moderate 98 conservative 184 a. choose the correct answer below. select all that apply. a. the mode is moderate. b. the mode is liberal. c. the mode is conservative. d. there is no mode.
Answers: 1
A piece of metal is heated to 428°C before it is left to cool. The temperature of the metal falls at...
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