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AnnyKZ [126]
3 years ago
10

What is: 5 times 8/45 times 3/40?

Mathematics
1 answer:
labwork [276]3 years ago
3 0
5 * 8/45=8/9
8/9 * 3/40=1/15
1/15
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Pls answer me this all question​
Scorpion4ik [409]

Answer:

a. 5 \frac{21}{40}

b. \frac{1}{42}

Step-by-step explanation:

a. \: 12 \frac{2}{5}  - 6 \frac{7}{8}

\frac{62}{5}  -  \frac{55}{8}

\frac{62}{8}  \times   \frac{8}{8}  -   \frac{55}{8}   \times  \frac{5}{5}

\frac{62 \times 8 - 55 \times 5}{40}

\frac{221}{40}

5 \frac{21}{40}

b. \:  \frac{3}{14}  -  \frac{4}{21}

\frac{3}{14}  \times  \frac{3}{3}  -  \frac{4}{21}  \times  \frac{2}{2}

\frac{3 \times 3}{42}  -  \frac{4 \times 2}{42}

\frac{1}{42}

Hope it is helpful....

5 0
3 years ago
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Determine the value of k so that the following system has an infinite number of solutions
Natasha2012 [34]

Answer:

uyf-fozr-kfw

Step-by-step explanation:

join interested girls in g.meet

8 0
4 years ago
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George is building a fence. One side of the yard has a row of trees that is 15 feet long. This row of trees will serve as part o
Mariana [72]
It should be 11, yes. Sounds like simple subtraction 
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3 years ago
What is 4 and 3/4 - 1 and 1/3? The answer is one of these: 2 and 2/7, 2 and 2/12, 3 and 5/12, or 3 and 5/7
nignag [31]

Answer:

3 and 5/12

Step-by-step explanation:

4 \frac{3}{4}   = \frac{19}{4}\\ \\1\frac{1}{3}  = \frac{4}{3}

\frac{19}{4} - \frac{4}{3} \\\\\frac{19(3) - 4(4)}{12} \\\\\frac{57 - 16}{12} \\\\\frac{41}{12} \\

This fraction is equivalent to,

3 and 5/12 = 3\frac{5}{12} = \frac{12*3 + 5}{12} = \frac{41}{12}

8 0
4 years ago
Estimate 7.39 divided by 0.06
anzhelika [568]
70 I think is the answer
7 0
4 years ago
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