Mathematics, 14.01.2021 18:20 COOLIOMARIS
Alyssa received a leadership patch, as shown below, when she was elected Student Body President. The patch is in the shape of a right triangle where the top section and the whole patch form similar triangles. If x = 45 mm, z = 80 mm, and the tangent of the bottom angle, where the star is located, is equal to , what is the length of w?
Answers: 3
Mathematics, 21.06.2019 13:10
True or false? a triangle can be circumscribed about a given circle
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Mathematics, 21.06.2019 19:10
The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)
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
John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?
Answers: 1
Alyssa received a leadership patch, as shown below, when she was elected Student Body President. The...
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