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Let’s check out your problem:
Given:
\newline
Set
A
=
2
,
7
,
10
,
12
A=2,7,10,12
A
=
2
,
7
,
10
,
12
\newline
Set
B
=
1
,
4
,
7
,
8
,
9
,
12
B=1,4,7,8,9,12
B
=
1
,
4
,
7
,
8
,
9
,
12
\newline
What is the union of sets A and B?
\newline
{
1
,
2
,
4
,
7
,
8
,
9
,
10
,
12
}
\{1,2,4,7,8,9,10,12\}
{
1
,
2
,
4
,
7
,
8
,
9
,
10
,
12
}
\newline
{
7
,
12
}
\{7,12\}
{
7
,
12
}
\newline
{
2
,
4
,
7
,
8
,
10
,
12
}
\{2,4,7,8,10,12\}
{
2
,
4
,
7
,
8
,
10
,
12
}
\newline
{
1
,
4
,
8
,
9
}
\{1,4,8,9\}
{
1
,
4
,
8
,
9
}
View step-by-step help
Home
Math Problems
Grade 8
Convert between repeating decimals and fractions
Full solution
Q.
Given:
\newline
Set
A
=
2
,
7
,
10
,
12
A=2,7,10,12
A
=
2
,
7
,
10
,
12
\newline
Set
B
=
1
,
4
,
7
,
8
,
9
,
12
B=1,4,7,8,9,12
B
=
1
,
4
,
7
,
8
,
9
,
12
\newline
What is the union of sets A and B?
\newline
{
1
,
2
,
4
,
7
,
8
,
9
,
10
,
12
}
\{1,2,4,7,8,9,10,12\}
{
1
,
2
,
4
,
7
,
8
,
9
,
10
,
12
}
\newline
{
7
,
12
}
\{7,12\}
{
7
,
12
}
\newline
{
2
,
4
,
7
,
8
,
10
,
12
}
\{2,4,7,8,10,12\}
{
2
,
4
,
7
,
8
,
10
,
12
}
\newline
{
1
,
4
,
8
,
9
}
\{1,4,8,9\}
{
1
,
4
,
8
,
9
}
Combine Sets
A
A
A
and
B
B
B
:
To find the union of sets
A
A
A
and
B
B
B
, we combine all the elements from both sets without repeating any elements.
List Elements from Sets:
List all the elements from set
A
A
A
and set
B
B
B
:
A
=
{
2
,
7
,
10
,
12
}
A = \{2, 7, 10, 12\}
A
=
{
2
,
7
,
10
,
12
}
,
B
=
{
1
,
4
,
7
,
8
,
9
,
12
}
B = \{1, 4, 7, 8, 9, 12\}
B
=
{
1
,
4
,
7
,
8
,
9
,
12
}
.
Remove Duplicates:
Combine the elements and remove duplicates:
{
1
,
2
,
4
,
7
,
8
,
9
,
10
,
12
}
\{1, 2, 4, 7, 8, 9, 10, 12\}
{
1
,
2
,
4
,
7
,
8
,
9
,
10
,
12
}
.
More problems from Convert between repeating decimals and fractions
Question
Subtract.
\newline
(
1
4
)
−
(
3
4
)
=
(\frac{1}{4}) − (\frac{3}{4}) =
(
4
1
)
−
(
4
3
)
=
_____
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Question
Multiply.
1
4
×
(
−
1
2
)
=
\frac{1}{4} \times \left(-\frac{1}{2}\right) =
4
1
×
(
−
2
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)
=
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Question
(
7
+
7
)
⋅
(
7
+
1
7
)
=
(7+7)\cdot(7+\frac {1}{7})=
(
7
+
7
)
⋅
(
7
+
7
1
)
=
______
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Question
Evaluate.
\newline
2
5
÷
1
6
=
\frac{2}{5} \div \frac{1}{6}=
5
2
÷
6
1
=
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Evaluate.
\newline
12
+
6
3
=
\frac{12+6}{3}=
3
12
+
6
=
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Question
Simplify
4
3
\frac{4}{3}
3
4
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21.452
21.452
21.452
divided by
0.62
0.62
0.62
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Posted 1 year ago
Question
Grace examines two different size bottles of the same laundry detergent. The price for the
100
100
100
ounce bottle is
$
9.99
\$9.99
$9.99
and the price for the
150
150
150
-ounce bottle is
$
12.99
\$12.99
$12.99
. How much money will Grace save per
100
100
100
ounces if she purchases the larger bottle?
\newline
Choose
1
1
1
answer:
\newline
(A)
$
0.01
\$0.01
$0.01
\newline
(B)
$
1.33
\$1.33
$1.33
\newline
(C)
$
2.00
\$2.00
$2.00
\newline
(D)
$
8.66
\$8.66
$8.66
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Posted 1 year ago
Question
Genovia is a city-state with approximately
50
,
000
50,000
50
,
000
citizens. In a recent newspaper poll of the citizens of Genovia,
3
4
\frac{3}{4}
4
3
of the poll respondents were in favor of establishing a democratic government. If the citizens polled are representative of all citizens of Genovia, approximately how many citizens are in favor of establishing a democratic government?
\newline
Choose
1
1
1
answer:
\newline
(A)
12
,
500
12,500
12
,
500
\newline
(B)
30
,
000
30,000
30
,
000
\newline
(C)
37
,
500
37,500
37
,
500
\newline
(D)
45
,
000
45,000
45
,
000
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Posted 1 year ago
Question
What is the slope of the line through
(
−
10
,
1
)
(-10,1)
(
−
10
,
1
)
and
(
0
,
−
4
)
(0,-4)
(
0
,
−
4
)
?
\newline
Simplify your answer and write it as a proper fraction, improper fraction, or integer.
\newline
_____
Get tutor help
Posted 1 year ago
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