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Shaded Fraction = 3 / 10
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Expression 18: "D" Subscript, 1 , Baseline equals "R" cosine 180 equals negative 5.7 5
D
1
=
R
c
o
s
1
8
0
equals
=
negative 5.7 5
−
5
.
7
5
18
Expression 19: "D" Subscript, 2 , Baseline equals "R" sine 180 equals 0
D
2
=
R
s
i
n
1
8
0
equals
=
0
0
19
Expression 20: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline equals negative 2.8 7 5
E
1
=
C
1
equals
=
negative 2.8 7 5
−
2
.
8
7
5
20
Expression 21: "E" Subscript, 2 , Baseline equals negative "C" Subscript, 2 , Baseline equals negative 4.9 7 9 6 4 6 0 7 1 7 6
E
2
=
−
C
2
equals
=
negative 4.9 7 9 6 4 6 0 7 1 7 6
−
4
.
9
7
9
6
4
6
0
7
1
7
6
21
Expression 22: "F" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline equals 2.8 7 5
F
1
=
B
1
equals
=
2.8 7 5
2
.
8
7
5
22
Expression 23: "F" Subscript, 2 , Baseline equals negative "B" Subscript, 2 , Baseline equals negative 4.9 7 9 6 4 6 0 7 1 7 6
F
2
=
−
B
2
equals
=
negative 4.9 7 9 6 4 6 0 7 1 7 6
−
4
.
9
7
9
6
4
6
0
7
1
7
6
23
Expression 24: StartFraction, "B" Subscript, 1 , Baseline minus "G" Subscript, 1 , Baseline Over negative "F" Subscript, 2 , Baseline , EndFraction equals StartFraction, "B" Subscript, 1 , Baseline minus "J" Subscript, 1 , Baseline Over "B" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , EndFraction
B
1
−
G
1
−
F
2
=
B
1
−
J
1
B
2
−
F
2
24
Expression 25: "G" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus StartFraction, "F" Subscript, 2 , Baseline left parenthesis, "B" Subscript, 1 , Baseline minus "J" Subscript, 1 , Baseline , right parenthesis Over "B" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , EndFraction equals 1.1 5
G
1
=
B
1
+
F
2
B
1
−
J
1
B
2
−
F
2
equals
=
1.1 5
1
.
1
5
25
Expression 26: "G" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
G
2
=
O
2
equals
=
0
0
26
Expression 27: "H" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline plus 2 thirds left parenthesis, "B" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , right parenthesis equals 0
H
1
=
D
1
+
2
3
B
1
−
D
1
equals
=
0
0
27
Expression 28: "H" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline plus 2 thirds left parenthesis, "B" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline , right parenthesis equals 3.3 1 9 7 6 4 0 4 7 8 4
H
2
=
D
2
+
2
3
B
2
−
D
2
equals
=
3.3 1 9 7 6 4 0 4 7 8 4
3
.
3
1
9
7
6
4
0
4
7
8
4
28
Expression 29: StartFraction, "B" Subscript, 1 , Baseline minus "J" Subscript, 1 , Baseline Over "B" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , EndFraction equals StartFraction, "B" Subscript, 1 , Baseline minus "H" Subscript, 1 , Baseline Over "H" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , EndFraction
B
1
−
J
1
B
2
−
F
2
=
B
1
−
H
1
H
2
−
F
2
29
Expression 30: "J" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline minus StartFraction, left parenthesis, "B" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , right parenthesis left parenthesis, "B" Subscript, 1 , Baseline minus "H" Subscript, 1 , Baseline , right parenthesis Over "H" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , EndFraction equals negative 0.5 7 5
J
1
=
B
1
−
B
2
−
F
2
B
1
−
H
1
H
2
−
F
2
equals
=
negative 0.5 7 5
−
0
.
5
7
5
30
Expression 31: "J" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline equals 4.9 7 9 6 4 6 0 7 1 7 6
J
2
=
B
2
equals
=
4.9 7 9 6 4 6 0 7 1 7 6
4
.
9
7
9
6
4
6
0
7
1
7
6
31
Graphs
Graphs
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32
Expression 33: "y" less than 40 Has graph. To audio trace, press ALT+T.
y
<
4
0
33
Expression 34: polygon left parenthesis, "B" , "J" , "F" , "A" , "D" , right parenthesis Has graph.
p
o
l
y
g
o
n
B
,
J
,
F
,
A
,
D
34
Expression 35: polygon left parenthesis, "A" , "B" , "D" , "B" , "C" , "D" , "A" , "D" , "E" , "F" , "J" , "F" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
B
,
D
,
B
,
C
,
D
,
A
,
D
,
E
,
F
,
J
,
F
35
Points
Points
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36
51
powered by
powered by
O
A
B
C
D
E
F
G
H
J
( 1 )
( 2 )
( 3 )
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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