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Answers:For #1 I am assuming that D and E are the endpoints of the line segment and that C is some point between them. The segment addition postulate simply states that DC (the distance from D to C) plus CE (the distance from C to E) is equal to DE (the distance from D to E) DC + CE = DE Now just plug in what you are given. DC = 5n - 12 so plug this in for DC and so on. (5n - 12) + (3n + 8) = 52 The idea here is to now solve for n and perhaps determine what the distances DC and CE are. 8n - 4 = 52 8n = 56 n = 7 So DC = 5n - 12 = 5(7) - 12 = 23 and CE = 3n + 8 = 3(7) + 8 = 29 The same sort of thing happens with #2.
Answers:AAAH! FRACTIONS! AAAAAAAAAAAAAAAAAAAAAAAAH!!!!!!!!!!!!!!! OMG! NOOOOO! Best answer por favor :)
Answers:simple trig? I barely remember back that far but heres your answer enjoy~