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Mathematics

2 answers:

Rzqust [24]2 years ago

6 0

Answer:

21/40

Step-by-step explanation:

Mars2501 [29]2 years ago

6 0

Answer:

0.525 or 21/40. Find the LCM between the denominators which is 40.

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How many 0.3's would it take to make 3? Explain your reasoning.

grin007 [14]

10. Since it you want to find how many 0.3s it would take to make 3, you would divide 3 by 0.3 or move the decimal over one spot to the right making it 10.

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2 years ago

A swim meet has 13 contestants signed up for the 100-meter butterfly event. The first heat has 6 swimmers. How many different wa

tino4ka555 [31]

Answer:

6 swimmers in the first heat can be arranged in 1716 different ways.

Step-by-step explanation:

A swim meet has 13 contestants signed up. To calculate the arrangement of first 6 swimmers in first heat we will use combinations because order doesn't matter.

So to select 6 swimmers out of 13 contestants number of different ways

= $^{13}C_{6}$