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timurjin [86]
3 years ago
6

Which problem can be solved using the equation shown? 2 dollars and 50 cents x minus 2 dollars = 10 dollars and 50 cents

Mathematics
2 answers:
Kisachek [45]3 years ago
5 0

Answer:

Look below.

Step-by-step explanation:

$2.50*-$2.00=10.50

This isn't right so I don't know what you're asking for...

Nat2105 [25]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Will bought several books that cost $2.50 each and received a $2.00 discount on his total bill. If he paid $10.50, how many books did he buy?

X is the amount he bought and the discount would represent subtracting from 2.5x.

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torisob [31]

Answer:

\tan 3x=\frac{\sqrt{3} }{3} =\frac{1}{\sqrt{3} } =tan\frac{\pi }{6} =tan (n\pi +\frac{\pi }{6} )\\3x=n\pi +\frac{\pi }{6} =\frac{(6n+1)\pi }{6} \\x=\frac{(6n+1)\pi }{18} \\where~x~is~an~integer.

Step-by-step explanation:

tan 3x=\frac{\sqrt{3} }{3} =\frac{1}{\sqrt{3} } =tan\frac{\pi }{6} =tan (n\pi +\frac{\pi }{6} )\\3x=n\pi +\frac{\pi }{6} =\frac{(6n+1)\pi }{6} \\x=\frac{(6n+1)\pi }{18} \\

where~x~is~an~integer.

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2 years ago
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How do you solve the inequality 12 &lt; x + 5 so that the variable "x" is on the left side?
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