Mathematics
MalorieMulvihill
2015-10-30 00:45:33
RS=8y+4 st=4y+8 and then rt=15y-9. plz help
ANSWERS
mivanauliarokhman
2015-10-30 00:50:34

RS = 8(7) + 4 ST = 4(7) + 8 and RT = 15(7) - 9

Solano1998
2015-10-30 00:51:49

RS + ST = RT 8y + 4 + 4y + 8 = 15y - 9 12y + 12 = 15y - 9 12 + 9 = 15y - 12y 21 = 3y 21/3 = y 7 = y RS = 8y + 4.......8(7) + 4.....56 + 4 = 60 ST = 4y + 8.......4(7) + 8......28 + 8 = 36 RT = 15y - 9.....15(7) - 9.....105 - 9 = 96

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