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Hovedbrud 8
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Hjælp
Hjælp
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11
Expression 12: 0.9 5 ( "y" plus 0.0 5 "y" ) equals "y" minus 7 left brace, "x" greater than or equal to 0 , right brace
0
.
9
5
(
y
+
0
.
0
5
y
)
=
y
−
7
x
≥
0
12
Løsning
Løsning
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13
Expression 14: 0.9 5 ( "y" plus 0.0 5 "y" ) equals "y" minus 7
0
.
9
5
(
y
+
0
.
0
5
y
)
=
y
−
7
14
Expression 15: 0.9 5 "y" plus 0.0 4 7 5 "y" equals "y" minus 7
0
.
9
5
y
+
0
.
0
4
7
5
y
=
y
−
7
15
Expression 16: "y" minus 0.9 9 7 5 "y" equals 7
y
−
0
.
9
9
7
5
y
=
7
16
Expression 17: 0.0 0 2 5 "y" equals 7
0
.
0
0
2
5
y
=
7
17
Expression 18: "Y" equals StartFraction, 7 Over 0.0 0 2 5 , EndFraction
Y
=
7
0
.
0
0
2
5
equals
=
2800
2
8
0
0
18
Arne brugte 2800 kroner
Arne brugte 2800 kroner
19
på benzin i 1991.
på benzin i 1991.
20
Grafer og skæringspunkt
Grafer og skæringspunkt
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21
25
powered by
powered by
left parenthesis, 2793 , 2800 , right parenthesis
2
7
9
3
,
2
8
0
0
"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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