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Ad libitum [116K]
3 years ago
11

So what is negative 3/13, as a fraction minus 2/5, as a fraction[/tex]

Mathematics
2 answers:
Readme [11.4K]3 years ago
5 0

Answer:

-41/65

Step-by-step explanation:

Likurg_2 [28]3 years ago
5 0

Answer:

-\frac{41}{65}

Step-by-step explanation:

In order to find the answer to this question remember to use KCC (Keep, Change, Change) and find the least common denominator. (LCD)

-\frac{3}{13}-\frac{2}{5}

Use KCC

-\frac{3}{13} +-\frac{2}{5}

Now add

LCD=65

\frac{-3\times5}{13\times5} -\frac{2\times13}{5\times13}

=\frac{-15-26}{65}

=-\frac{41}{65}

Hope this helps.

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2 years ago
Marcel bought a new hat for $21.98 and 2 pairs of socks for $3.98 each. What is the total price, including a 7.5% sales tax?
Bad White [126]

Answer: $32.18

Step-by-step explanation:

Add up

 21.98

+ 3.98

+ 3.98

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29.94 + 29.94(0.075)

29.94+2.24

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3 years ago
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just fun facts to know (helpful)


so volume of cylinder=1/3 times height tiimes pi times radius^2
subsitute
use pi=3.14
height=12
radius=6
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the naswer is the top left choice
6 0
4 years ago
Read 2 more answers
8 cleaners can clean an office in 3 hours,if the block needs to be cleaned in 2 hours,how many cleaners will be needed?
romanna [79]

Answer:

12 cleaners

Step-by-step explanation:

8 cleaner can clean in 3 hours = 1 office

1 cleaner can clean in 3 hours = \frac{1}{8}  part of job

1 cleaner can clean in 1 hours = \frac{1}{3 \times 8}  part of job

Let the number of cleaner required to finish the job in 2 hours = x

hence

x cleaner can clean in 1 hours = \frac{1 \times x }{24}  part of job

x cleaner can clean in 2 hours = \frac{2 \times x }{24}  part of job

Hence

\frac{2 \times x }{24}=1

\frac{2x}{24}=1

2x=24

x=12

Hence we need 12 men to complete the same job in 2 hours

4 0
3 years ago
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