Download - HCCMS 2nd 9 weeks review 2015
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2nd 9 weeks exam review
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Disclaimer: • Simply copying down the answers
will NOT guarantee you will pass the final exam!
• You must go home and repeatedly study the practice problems and processes
• In addition, study notes, textbooks, power points, class activities, etc.
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Disclaimer #2: • Although you may be exempting the final, you are still required to know this material for Milestones so please follow along and ask questions when assistance is needed.
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Ch. 4
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+5 +5 y = 1
+9 +9 n = -5
(5) (5)
d = -35
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(4)(4)
48 = w+16.7 +16.7 w =
24.97
(7.4) (7.4)
e = 51.06
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-4 1
multiply by the reciprocal
-4 1
-12 4
÷ 4 ÷ 4 -3
51
51
52 2 1
2
S = -3 a = 2 12
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35+ 3
5+ 22
-710
6 10+
-110d
=
512- 5
12-
22
136
5 12-
d =
22
2612
21 12 1 9
121 3
4
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Ch. 5
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+7 +7
-3y = 9
-3y = 9 -3 -3 y = -3
= -2
u = -10
-3 -3
u5
-6 -6
= 3 z9
z = 27
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(20) GCF = 20
14 - (20) 3= (20)25X
5x - 60 = 8+ 60 + 60
5x = 68 5x = 68
5 5 x = 13.6
(6) 16 + (6) 2 = (6) 1
3X
x +12 = 2-12 -12
x = -10
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7k – 14 = 21 +14 + 14
7k = 35
7k = 35 7 7 k = 5
-5m + 10 = -5 -10 -
10 -5m = -15 -5m = -15 -5 -5 m = 3
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8s 6
6 = 8s – 6 - 20
32 = 8s 8 8 4 = s
6 = 8s – 26+26 + 26
-1.6t -9.6
1.4 – 1.6t – 9.6 = 4.6
-1.6t = 12.8 -1.6 -1.6 t = -8
-1.6t – 8.2 = 4.6 +8.2 +
8.2 -1.6t = 12.8
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ch.5 Inequalities
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-41 -41
g > -14
-17 -17
-20 < t t > -20
-64 -64 14> b b < 14
(-6) (-6)X neg= flip
t > 42
-16 -16÷ neg= flip
a < 1.5
(5.3)
(5.3)
r < 31.8
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-8 -8
-7d > 21-7 -7
d > -3
4g – 12 + 1 < 5 4g – 11 < 5
+11 +114g < 16
4 4 g < 4
-2a – 16 – 15 < 9-2a -31 < 9
+31 +31
-2a < 40-2 -2 a > -20
-2/3 p – 8 > 4 +8 +8
-2/3 p > 12
(-3/2) (-3/2)
p < -18
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Ch. 6
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$603.7535 hrs
$17.25 1 hr
=
1,800 cal24 oz
75 cal 1 oz
=
228 env.60 mins
3.8
1 min =
Can’t have a partial envelope
3 1 min =
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96 96
Proportional
90 90
Proportional
320 240
Not Proportional
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There are multiple correct answers for this section.
Possible ans below.
Multiply or Divide the top and bottom of the ratio by ANY #
7090= 22
24= 7075=
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147 = 7x 147 7x 7 7 21 = x
=
255 = 5h 255 5h 5 5 51 = h
=
35.7 = 3d 35.7 3d 3 3 11.9 = x
=
77.7 = 3s 77.7 3s 3 325.9 = s
=
1394 = 17f 1394 17f 17 17
82 = f
=
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$5.3011.1 Pesos
=---X------
42.7 Pesos=
226.31 = 11.1x 226.31 11.1x 11.1 11.1 $20.39 = x
=
$31 Peso
$121.10
x=
121.10 = 3x 121.10 3x 3 3 40.4 Pesos = x
=
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2$1.80
x $28.80=
57.6 = 1.80x57.6 1.80x 1.80 1.80 32 = x
=
3.3 in42.9
x 32.5=
2.5 = x
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Ch. 8
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3015
16y=
240 = 30y 240 30y 30 = 30 8 = y
3015
34x=
510 = 30x 510 30x 30 = 30 17 = x
65
X13=
5x = 78 5x 78 5 = 5
15.6 = x
y5
14.412=
72 = 12y 72 12y 12 12 6 = y
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Big TriangleLittle Triangle
15x
106
=
90 = 10x 90 10x 10 10 9 = x
=
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18ft
12ft 4ft
x
18 x
124=
72 = 12x 6 = x
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x
20 2.4
1.8
x1.8
202.4=
2.4x = 36x = 15
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x
28ft
8ft
6
x6
288=
168 = 8x 21 = x
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modelActual15.562
14
modelActual
2.732.4
112
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modelActual25.51.5
117
modelActual128.1
6.1
121
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1 in40 km
=---6 in---
x=
240 = x
¼ in1 ft
=---12 in---
x
=
48 = x
45 (x 12) = 540 in
1 in64 in
=---x--- 540 in
=
8.44 = x
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Determine if the relationship shown in the table is proportional? Write the equation if it is proportional.
X is increasing by 1 and y is increasing by 2. Yes, it is proportional.
Y = 2x
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The graph below shows a proportional relationship. What is the constant of proportionality?
Yes, it is proportional. The graph is a straight line that passes through the origin.
Using point (1,4)
K = y/x k = 4/1 So, k = 4
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The cost of renting video games from Games, Inc. is shown in the table. Determine whether the cost is proportional to the number of games rented by graphing on the coordinate plane.
Yes, the graph is a straight line that passes through the origin.
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Best Wishes on the final exam