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Missing Angle BCE = 40
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Expression 24: "C" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline
C
1
=
E
1
equals
=
5
5
24
Expression 25: "C" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline plus left parenthesis, "D" Subscript, 1 , Baseline minus "E" Subscript, 1 , Baseline , right parenthesis StartRoot, 3 , EndRoot
C
2
=
D
2
+
D
1
−
E
1
3
equals
=
9.8 4 8 0 7 7 5 3 0 1 2
9
.
8
4
8
0
7
7
5
3
0
1
2
25
Expression 26: "E" Subscript, 1 , Baseline equals "A" Subscript, "B" , Baseline
E
1
=
A
B
equals
=
5
5
26
Expression 27: "E" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline
E
2
=
A
2
equals
=
0
0
27
Expression 28: "L" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline
L
1
=
E
1
equals
=
5
5
28
Expression 29: StartFraction, "B" Subscript, 2 , Baseline minus "L" Subscript, 2 , Baseline Over "E" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , EndFraction equals StartFraction, "B" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline Over "M" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , EndFraction
B
2
−
L
2
E
1
−
B
1
=
B
2
−
M
2
M
1
−
B
1
29
Expression 30: "L" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline minus StartFraction, left parenthesis, "E" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis left parenthesis, "B" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline , right parenthesis Over "M" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , EndFraction
L
2
=
B
2
−
E
1
−
B
1
B
2
−
M
2
M
1
−
B
1
equals
=
3.4 2 0 2 0 1 4 3 3 2 6
3
.
4
2
0
2
0
1
4
3
3
2
6
30
Expression 31: "M" Subscript, 1 , Baseline equals StartFraction, "A" Subscript, "B" , Baseline Over 2 , EndFraction
M
1
=
A
B
2
equals
=
2.5
2
.
5
31
Expression 32: tangent to the negative 1st power StartFraction, "M" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline Over "B" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline , EndFraction equals 70
t
a
n
−
1
M
1
−
B
1
B
2
−
M
2
=
7
0
32
Expression 33: "M" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline minus StartFraction, "M" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline Over tan 70 , EndFraction
M
2
=
B
2
−
M
1
−
B
1
t
a
n
7
0
equals
=
4.3 3 0 1 2 7 0 1 8 9 2
4
.
3
3
0
1
2
7
0
1
8
9
2
33
Graphs
Graphs
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34
Expression 35: "y" less than 25
y
<
2
5
35
Expression 36: left parenthesis, "E" Subscript, 1 , Baseline plus 0.5 "t" cos 135 , 0.5sin 135 , right parenthesis
E
1
+
0
.
5
t
c
o
s
1
3
5
,
0
.
5
s
i
n
1
3
5
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
36
Expression 37: left parenthesis, "E" Subscript, 1 , Baseline plus 0.5cos 135 , 0.5 "t" sin 135 , right parenthesis
E
1
+
0
.
5
c
o
s
1
3
5
,
0
.
5
t
s
i
n
1
3
5
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
37
Expression 38: polygon left parenthesis, "A" , "M" , "E" , "M" , "A" , "B" , "D" , "B" , "C" , "E" , "C" , "D" , "E" , right parenthesis
p
o
l
y
g
o
n
A
,
M
,
E
,
M
,
A
,
B
,
D
,
B
,
C
,
E
,
C
,
D
,
E
38
Points
Points
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39
53
powered by
powered by
A
B
C
D
E
L
M
BAE = ABD = CDE = 80
AB = AE = DE
AM = EM
?
"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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