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Sladkaya [172]
3 years ago
7

C=3.14d solve for d

Mathematics
2 answers:
algol133 years ago
6 0
3.14d=c\ \ \ \ |divide\ both\ sides\ by\ 3.14\\\\d=\dfrac{c}{3.14}\\\\d=\dfrac{100c}{314}\\\\d=\dfrac{50c}{157}
Iteru [2.4K]3 years ago
3 0
You would divide both sides by 3.14, to get d by itself.  so c/3.14=d

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Please, do not post more than 1 or 2 questions at a time.  Out of courtesy I will address one of your six questions here:

<span>2x + 4 = 3(x – 2) + 1

You are to solve this for x.

1) perform the multiplication:     </span><span>2x + 4 = 3x - 6 + 1
2) combine like terms:                4+6-1 = x
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4) check:  Is 2(11) + 4 = 3(11-2) + 1 true?
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</span><span>2x + 4 = 3(x – 2) + 1  =>   2x + 4 = 3x - 6 + 1
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Check:  Is 2(9) + 4 = 3(9-2) + 1 true?  Is 18+4 = 22 true?  YES.
The solution to #1 is  x = 9  (answer).

Submit your other questions separately, please.

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Answer:

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You can start with $115 and multiply it by 1.11 eleven times.

A quicker way is to find 1.11^11 and then multiply by $115.

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