Mathematics, 31.08.2019 01:30 luis173506
Which is equivalent to (9 y squared minus 4 x)(9 y squared + 4 x), and what type of special product is it? 81 y superscript 4 baseline minus 16 x squared, a perfect square trinomial 81 y superscript 4 baseline minus 16 x squared, the difference of squares 81 y superscript 4 baseline minus 72 x y squared minus 16 x squared, a perfect square trinomial 81 y superscript 4 baseline minus 72 x y squared minus 16 x squared, the difference of squares
Answers: 2
Mathematics, 21.06.2019 19:30
Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for Ο, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2
Answers: 1
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 23:00
Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.
Answers: 1
Which is equivalent to (9 y squared minus 4 x)(9 y squared + 4 x), and what type of special product...
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