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Mathematics 14 Online
Logan2020:

need help

Logan2020:

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snowflake0531:

13 songs, each one 1/6 of of a side of a tape multiply 13 by 1/6 and simplify

Logan2020:

thank u

snowflake0531:

yw~

Logan2020:

is it 40/3

snowflake0531:

\[13 \times \frac{1}{6} = \frac{13\times1}{6}\]

Logan2020:

2 1/6 is my answer

snowflake0531:

yes

Logan2020:

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snowflake0531:

150 dollars, a third off, how much money is off 150 * 1/3

Logan2020:

50

snowflake0531:

yes

Logan2020:

1 attachment
snowflake0531:

can you first convert the mixed numeral into an improper fraction

Logan2020:

wdym

snowflake0531:

\[5\frac{5}{8} = \frac{5\times8+5}{8}\]

TutoriaIs:

\[5\frac{ 5 }{ 8}\] Mutiply the 5 times 8 \[\frac{ 5\times8+5 }{ 8}\]

snowflake0531:

which you then get \(\frac{45}{8}\), dividing by a number means multiplying it by its reciprocal \[\frac{45}{8}\times\frac{1}{5}\]

Logan2020:

im lost

snowflake0531:

\[a \div b = a \times \frac{1}{b}\] yeah?

Logan2020:

is it 1.125 as a decmel

TutoriaIs:

Wait, can't you just cross out each 5 on the equation? Since it's a Mutiplication~Division?

snowflake0531:

since mixed numerals are hard to multiply and divide with, we first change it into an improper fraction, still the same value though, so 5 5/8 is 45/8, same thing then we need to divide 45/8 by 5 and since dividing by a number is multiplying its reciprocal, it is 45/8 * 1/5

TutoriaIs:

Then, what's left is your answer?

Logan2020:

1 5/40

snowflake0531:

@tutoriais wrote:
Wait, can't you just cross out each 5 on the equation? Since it's a Mutiplication~Division?
no, 5 5/8 is not five times 5/8, it's 5 + 5/8

snowflake0531:

@logan2020 wrote:
is it 1.125 as a decmel
\[\frac{45}{8} \times\frac{1}{5} = \frac{9}{8} \times \frac{1}{1} = \frac{9}{8}\]

TutoriaIs:

Listen, I'll show you. |dw:1642610268445:dw|

snowflake0531:

wrong

TutoriaIs:

@snowflake0531 wrote:
wrong
Care to explain?

snowflake0531:

@snowflake0531 wrote:
@tutoriais wrote:
Wait, can't you just cross out each 5 on the equation? Since it's a Mutiplication~Division?
no, 5 5/8 is not five times 5/8, it's 5 + 5/8

TutoriaIs:

Makes sense. I understand. Thanks.

Logan2020:

so whats the answer

snowflake0531:

@snowflake0531 wrote:
@logan2020 wrote:
is it 1.125 as a decmel
\[\frac{45}{8} \times\frac{1}{5} = \frac{9}{8} \times \frac{1}{1} = \frac{9}{8}\]

Logan2020:

next

Logan2020:

1 attachment
snowflake0531:

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