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oliviajewelwilliams
22.03.2021 •
Mathematics
Two Step Equations Word Problems/Fluency Study Guide Directions: Read each problem. Create an equation and solve using your steps. Show your work.
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Ответ:
9
,
13
,
17
,
21
,
25
Explanation:
a
n
=
4
n
+
5
We can find terms
1
to
5
by substituting
n
respectively in the expression.
a
n
=
4
n
+
5
So,
a
1
=
4
⋅
(
1
)
+
5
=
9
a
2
=
4
⋅
(
2
)
+
5
=
13
a
3
=
4
⋅
(
3
)
+
5
=
17
a
4
=
4
⋅
(
4
)
+
5
=
21
a
4
=
4
⋅
(
5
)
+
5
=
25