Posted by perfect on Thursday, July 25, 2013 at 12:23pm.
Given Q(4;1),T(p;3) and length QT=root of 8 units ,determine the value of p

math  Reiny, Thursday, July 25, 2013 at 2:10pm
√( (p4)^2 + (31)^2) )= √8
square both sides
(p4)^2 + 4 = 8
(p4)^2 = 12
p4 = ±√12
p = 4 ± 2√3

mathSsS  PerfecT, Wednesday, August 14, 2013 at 10:58am
1.Seven years ago, Rocco's drum kit cost him R12500.It has now been valued at R2300. What rate of simple depreciation does this represent?
2. Fiona buys a DStv satelite dish for R3000. Due to weathering ,its value depreciates simply at 15% p.a .after how lond will the satellite dish have a book value of zero?

math  Anonymous, Sunday, August 18, 2013 at 9:41am
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