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Elena-2011 [213]
3 years ago
12

there is a ratio of 5 boys to 3 girls in the chorus. They are 24 boys in the chorus. How many girls are there?

Mathematics
2 answers:
Nana76 [90]3 years ago
7 0
Ok, so at first this question seems tricky, since 5 does not go into 25.  However, you can't have a percentage of 1 person.  Since 5 goes into 25 5 times, then we will go with that.  So multiply 3 x 5 to get 15 girls.  Because you can't have a fraction of a single person.
Kobotan [32]3 years ago
7 0
You have to use proportion for this problem, so you do 
 
5 boys  =  3 girls
24 boys =  ? girls
24 times 3 equals 72. 72 divided by 5 equals 14.4. You have to round this answer to get 15 girls.
Hope this helped :D
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777dan777 [17]

Answer:

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Step-by-step explanation:

<h3>Given </h3>
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<h3>To find </h3>
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<h3>Solution</h3>

<u>Remember the standard equation of circle:</u>

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<u>We have</u>

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Use distance formula (Pythagorean theorem) to work out the length of the radius. We know that radius is the distance from the center to any point on the circle.

<u>Here we are finding the distance between points (-10, -4) and (4, 2)</u>

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<u>So the equation is:</u>

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3 years ago
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KATRIN_1 [288]
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4 0
3 years ago
Kerri said that the product of 3.93 and 0.07 would be about 4 and would have two decimal places. Is she correct?
oee [108]

Answer:

No.

Step-by-step explanation:

This type of problem is actually a trick problem. The question indicates that the PRODUCT of 3.93 and 0.07 would be about 4. The question is referring to the answer of the two values Multiplied to each other.

To visualize the question, we have:

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0.2751

Kerri would be correct if she was looking for the SUM of the two values.

This would be:

3.93 + 0.07

This would give us:

4

Therefore in trick problems like this ones, it is better to look at what exactly is being asked.

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