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Let’s check out your problem:
Evaluate the expression shown below and write your answer as a
fraction
in simplest form.
\newline
1
15
−
2
15
\frac{1}{15}-\frac{2}{15}
15
1
−
15
2
\newline
Answer:
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Home
Math Problems
Algebra 2
Roots of rational numbers
Full solution
Q.
Evaluate the expression shown below and write your answer as a fraction in simplest form.
\newline
1
15
−
2
15
\frac{1}{15}-\frac{2}{15}
15
1
−
15
2
\newline
Answer:
Identify like terms:
Identify like terms. Both terms have the same denominator, which means they can be combined by subtracting the numerators.
Subtract numerators:
Subtract the numerators.
\newline
(
1
15
)
−
(
2
15
)
=
(
1
−
2
15
)
(\frac{1}{15}) - (\frac{2}{15}) = (\frac{1 - 2}{15})
(
15
1
)
−
(
15
2
)
=
(
15
1
−
2
)
Calculate difference:
Calculate the difference.
\newline
1
−
2
=
−
1
1 - 2 = -1
1
−
2
=
−
1
\newline
So,
(
1
−
2
)
/
(
15
)
=
(
−
1
)
/
(
15
)
(1 - 2)/(15) = (-1)/(15)
(
1
−
2
)
/
(
15
)
=
(
−
1
)
/
(
15
)
Simplify fraction:
Simplify the fraction.
\newline
The fraction
(
−
1
)
/
(
15
)
(-1)/(15)
(
−
1
)
/
(
15
)
is already in its simplest form.
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\newline
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\newline
\newline
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\newline
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\newline
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\newline
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\newline
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A
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A
B
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A
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A
A
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Simplify the radical expression.
\newline
12
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\newline
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A
A
A
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B
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A
B
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A
B
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A
A
A
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B
B
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\newline
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\underline{\hspace{3cm}}
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What is the value of
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(
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6
)
?
\sin \left(\frac{5 \pi}{6}\right) ?
sin
(
6
5
π
)
?
\newline
Choose
1
1
1
answer:
\newline
(A)
−
3
2
-\frac{\sqrt{3}}{2}
−
2
3
\newline
(B)
−
2
2
-\frac{\sqrt{2}}{2}
−
2
2
\newline
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1
2
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2
1
\newline
(D)
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