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Basic Math Examples
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Basic Math
Find the Mean 16 11 12 15 11
16
16
11
11
12
12
15
15
11
11
Step 1
The
mean
of a
set
of numbers is the
sum
divided by the number of
terms
.
16
+
11
+
12
+
15
+
11
5
16
+
11
+
12
+
15
+
11
5
Step 2
Simplify the
numerator
.
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Step 2.1
Add
16
16
and
11
11
.
27
+
12
+
15
+
11
5
27
+
12
+
15
+
11
5
Step 2.2
Add
27
27
and
12
12
.
39
+
15
+
11
5
39
+
15
+
11
5
Step 2.3
Add
39
39
and
15
15
.
54
+
11
5
54
+
11
5
Step 2.4
Add
54
54
and
11
11
.
65
5
65
5
65
5
65
5
Step 3
Divide
65
65
by
5
5
.
13
13
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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