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alexandr1967 [171]
3 years ago
12

65/156 with the denominator 12

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0
65/156 = (13x5)(13x12) = 5/12
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a barrel had 20 liters of water. water leaked out from the barrel at a constant rate. after 24 hours, 14 liters of water was lef
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Initial volume of water = 20 litres
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In math class, there are 35 students the class that took an exam. 20% of the students earned an A. How many students earned an A
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3 years ago
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8x11=(8x10)+(1x10) how can I make it true?
icang [17]
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CAN SOMEONE PLEASE HELP
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\qquad\qquad\huge\underline{{\sf Answer}}♨

Here's the solution ~

\qquad \sf  \dashrightarrow \: \dfrac{2 {}^{n}  - 1}{ {4}^{n}  - 1}

\qquad \sf  \dashrightarrow \: \dfrac{2 {}^{n}  - 1}{ {( {2}^{2}) }^{n}  - 1}

\qquad \sf  \dashrightarrow \: \dfrac{2 {}^{n}  - 1}{ {( {2}^{n}) }^{2}  - 1}

Now we will use this identity in denominator

[ a² - b² = (a + b)(a - b) ]

\qquad \sf  \dashrightarrow \: \dfrac{ \cancel{(2 {}^{n}  - 1)}}{ {( {2}^{n} }^{}   +  1) \cancel{( {2}^{n}  - 1)}}

\qquad \sf  \dashrightarrow \: \dfrac{ 1}{ {( {2}^{n} }^{}   +  1) }

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2 years ago
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