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murzikaleks [220]
4 years ago
14

Do all ratios compare a part to a whole ?

Mathematics
1 answer:
anyanavicka [17]4 years ago
6 0
Nope!

Let's say there are 14 boys and 15 girls in a math class. We can use the ratio 14:15 to find out how many boys and girls would be in a class triple the size.

There are many more ways to write a ratio than part to whole. I hope I helped! :)
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3 pizzas are shared equally between 10 people. What fraction of a pizza does each person receive?
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7

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Help plzzzz! pre calc question
Mumz [18]

Answer:

\sum^{\infty}_0 {(-3)^n}

Step-by-step explanation:

Notice that the series: 1 - 3 + 9 - 27 +... clearly has powers of the factor 3 in its terms and it is also an alternate series (the terms alternate from positive to negative). The terms are positive for a_0, a_2, a_4, ... (even terms) , while the odd terms a_1, a_3, a_5, ... are negative. (so most likely there should be a factor   (-1) in the common ratio.

We can then represent it with the following summation expression:

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4 years ago
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3 years ago
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