Mathematics, 15.12.2019 06:31 hdjehd
Suppose 140 geology students measure the mass of an ore sample. due to human error and limitations in the reliability of the balance, not all the readings are equal. the results are found to closely approximate a normal curve, with mean 82 g and standard deviation 3 g. use the symmetry of the normal curve and the empirical rule as needed to estimate the number of students reporting readings between 76 g and 88 g.
Answers: 3
Mathematics, 21.06.2019 21:00
The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?
Answers: 1
Mathematics, 22.06.2019 00:00
Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?
Answers: 3
Mathematics, 22.06.2019 00:30
Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45Β°. the angle that kelly looks up to see the top of the lighthouse is yΒ°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of xΒ° . in two or more sentences, explain your calculations
Answers: 1
Suppose 140 geology students measure the mass of an ore sample. due to human error and limitations i...
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