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Ira Lisetskai [31]
3 years ago
13

The sum of the first 50 natural numbers is (1) 1.275 (3) 1,250 (2) 1,875 (4) 950

Mathematics
1 answer:
mash [69]3 years ago
6 0
1275 is the awanser
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20% of 57 is what number ?<br> The proportion is ?
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Answer:

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Step-by-step explanation:

It is perhaps simplest just to translate the given English sentence into a mathematical sentence.

... 20% ... ... of ... 57 ... is ... what number

... 20/100 ... × ... 57 .... = ... what number . . . . . . . . translation to math sentence

... 11.4 = what number . . . . . . . . carry out the multiplication

_____

If you're asked to write this as a proportion, you can write it like this:

\dfrac{20}{100}=\dfrac{\text{what number}}{57}

You can solve this proportion by multiplying by 57 (the denominator under "what number"). Doing so gives you the same arithmetic sentence as shown above.

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Step-by-step explanation:

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