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Katarina [22]
3 years ago
12

In science class the girl to boy ratio is 6 to 2. If there are 30 girls how many boys are there?

Mathematics
2 answers:
schepotkina [342]3 years ago
8 0

Answer:

10 boys

Step-by-step explanation:

6:2 simplfies to 3:1 30 / 3 = 10

30:10 simplfies down to 6:2

Anna007 [38]3 years ago
5 0

Answer:

Step-by-step explanation:

So 30 divide by 5 is six so 10 divide by 5 is 2 so that’s how I got the answer

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2.145 is divisible by which numbers<br> 2<br> 6<br> 5<br> 3​
mariarad [96]

Answer:

  • 3 and 5 if "." marks thousands
  • 2, 3, 5, 6 if "." is a decimal point

Step-by-step explanation:

The number 2145 is not even, so will not be divisible by 2 or 6. It ends in 5 so is divisible by 5. Its sum of digits is 12, which is divisible by 3, so the number is divisible by 3.

2145 is divisible by 3 and 5.

2.145 is divisible by all of these numbers:

  2.145/2 = 1.0725

  2.145/6 = 0.3575

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_____

Here, we take the mixed number to be divisible if the decimal representation of the quotient is a terminating decimal fraction.

6 0
3 years ago
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vitfil [10]

Answer:

80%

Step-by-step explanation:

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44/55

= 0.8

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5 0
3 years ago
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kogti [31]

Answer:

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Step-by-step explanation:

The area of a square is given by

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sqrt( 121 ft^2) = sqrt(s^2)

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8 0
3 years ago
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Step-by-step explanation:

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Answer:

they ran 5 and 2 and half hour

Step-by-step explanation:

they ran 5 and 2 and half hour

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