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Algebra
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10 Nov 2019

<p>its with one-step inequalities...please please please help me I really need to get a good grade on this upcoming test...please anybody!!! :(</p>

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Bunny Greenfelder
Bunny GreenfelderLv2
23 Mar 2019
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Related questions

why is it that |x/5|>3

you change the sign and the number so you get....x>15 andx<-15


and in |13x+1|<7

you change the sign and the number so you get...x<6/13 andx>-8/13


BUT, when |x-5|<-1, you just change the sign but not thenumber -1 to 1 for the other step


please help...really confused on the rules

<p>"A matrix A is said to be skew symmetric if A^T = - A.Show that if a matrix is skew symmetric, then its diagonal must allbe 0."</p>
<p>Where A^T works as such: say you have a 2x3 matrix suchthat row one is [ 1 2 3 ] and row two is [ 4 5 6 ]. Then the resultwould be a 3x2 matrix such that the first Column is 1, 2, 3 and thesecond Column is 4,5,6 {Sorry, can't seem to put matrices in here.}</p>
<p>I roughly understand how A^T=-A but I have no idea how toprove it and have been stuck on it for a couple days. Any helpwould be very much appreciated.&#160;</p>

Hi there! I am really having trouble with these! can someoneplease help and explain it to me step by step for these 4 problemson this worksheet. I posted it before but was totally confused bythe previous answers. So if there is anyone who is good with theseproblems, please please please help! Show all work and explain thesteps so I know what I am doing wrong.! Thanks inadvance

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