Mathematics, 03.07.2019 12:30 langel7373
Given the system of equations presented here: 3x + 5y = 29 x + 4y = 16 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? a) multiply the second equation by −1 to get −x − 4y = −16 b) multiply the second equation by −3 to get −3x − 12y = −48 c) multiply the first equation by −1 to get −3x − 5y = −29 d) multiply the first equation by −3 to get −9x − 15y = −87
Answers: 2
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, 22.06.2019 00:00
The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels
Answers: 1
Given the system of equations presented here: 3x + 5y = 29 x + 4y = 16 which of the following act...
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