Mathematics, 25.07.2019 10:40 angeloliv1012
Point k is rotated 90°. the coordinate of the pre-image point k was (2, –6) and its image k’ is at the coordinate (−6, −2). find the direction of the rotation. the direction of rotation was
Answers: 1
Mathematics, 21.06.2019 16:30
To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers
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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 21:30
Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.
Answers: 1
Point k is rotated 90°. the coordinate of the pre-image point k was (2, –6) and its image k’ is at t...
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