Mathematics, 26.09.2019 19:30 jdjc
Me
two similar triangles are shown on the coordinate grid:
a coordinate grid is shown from positive 6 to negative 6 on the x-axis and from positive 6 to negative 6 on the y-axis. a triangle mno is shown with vertex m on ordered pair negative 2, 4, vertex n on ordered pair 0, 0, and vertex o on ordered pair negative 6, negative 2. a triangle m prime n prime o prime is also shown with vertex m prime on ordered pair 1, 2, vertex n prime on ordered pair 0, 0, and vertex o prime on ordered pair 3, negative 1.
which set of transformations has been performed on triangle mno to form triangle m′n′o′? (5 points)
a
dilation by a scale factor of 2 followed by reflection about the x-axis
b
dilation by a scale factor of fraction 1 over 2 followed by reflection about the x-axis
c
dilation by a scale factor of 2 followed by reflection about the y-axis
d
dilation by a scale factor of fraction 1 over 2 followed by reflection about the y-axis
Answers: 1
Mathematics, 21.06.2019 17:30
Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.
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Mathematics, 21.06.2019 18:30
[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?
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Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Mathematics, 21.06.2019 23:30
Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile
Answers: 1
Me
two similar triangles are shown on the coordinate grid:
a coordinate gr...
two similar triangles are shown on the coordinate grid:
a coordinate gr...
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