Solutions Aa1 Chapter 7

  • April 2020
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Selected Answers - ChaDter 7 #48 :14) 8 or -2 20) Graph 30) Y = 7x+2/3 #49: 42) 88.50 km/hr 50) ~$2500 #50: 14) 13 16) x = {0,-2} 18) x~:t6.325 22) Y = 1/3(x+2)+S 50)~50.8 cm2

#51: 24)~7.16cm 26)376ff 30~16.55 #52: 10)1,-12,4 12)1,-5,0 14)0,3,7 16){-9,-6} 22)x={0,8/7} #53: 18) 0 30) -3 32) 128 ft #55: 30)

28 36) m = -3/2, b = 7/2

#56: 18) t = :tV d 24) x = P-2y 26) X = .y.. 38) m=2, b=14 4 2 v'nh

#57: 14) 1= P -w 16) I = ~ 54) In:time, Out: Length 2 1+w Dom: #58: 20) Ran: Yes 24) Nonzero reals 26) x~O, x~3 36) x~2. x~-2 Osts14, 12shs20

38) y= -2/3(x+7)+4 46) x = 62.51wh 50) {x: 8/3sx,5}

#59: 8) 13 62) 4

#60: 10) 0 1 E?)t=6 26) x~4.47 or -1.22 30) k~:t5.48 46) $89 48) 2f +1

#61: 8) P = -1 14) 5668.704n or ~17,808.76 16) Graph 1+rt

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22) 18 28) x=12 or 3 42) 4x+1

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