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Alexus [3.1K]
3 years ago
7

Another question... this was all the information I was given and I'm a tad confused as to how to go about solving it... help ple

ase??? Thank you so much!!!
Julia needs to cut a 15m rope into 20 equal pieces. Calculate the length of each piece in cm
Mathematics
2 answers:
Sholpan [36]3 years ago
4 0
Argh! My answer was erased!

We need to cut a 15m rope into 20 equal pieces. Written mathematically, it is as follows:
15/20 = length of rope segment in meters (a)
15/20 = a

Simplify
3/4 = a

In meters, each rope segment is 3/4m long.  But, we don't want meters.  We want centimeters.

100 cm = 1 m

3/4(100) = length of rope segment in centimeters (x)
3/4(100) = x

300/4 = x
75 = x

Each segment of rope is 75 cm long.
Lana71 [14]3 years ago
3 0
The rope needs to be cut into 20 pieces, so 15/20, this will give you 3/4 of a meter per piece. Multiply 100 (100 cm in a meter), .75*100= 75 centimeters in a piece...
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3 years ago
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Answer:

6 inches of tape

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To find the total amount of tape that Marge used, you can take the measure of each piece (\frac{3}{8}) and multiply by the total number of pieces cut (16):

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3 years ago
Rob is saving to buy a new MP3 player. For every $11 he earns babysitting, he saves $6. On Saturday, Rob earned $44 babysitting.
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Answer:

Rob saved $24 on Saturday.

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Given:

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Percentage of amount he saved can calculated by Amount saved divided by total money earned and then multiplying by 100.

framing in equation form we get;

Percentage of amount he saved = \frac{6}{11} \times 100 \approx 54.55\%

Now Given:

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framing in equation form we get;

Money Saved on Saturday = \frac{54.55}{100}\times 44 = \$24

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8 0
3 years ago
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Total ways of choosing 6 out of 26 = 26C6 = \frac{26!}{20!6!} \\=230230

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3 years ago
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C

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