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3 years ago

Is 0.3 pie a rational or irrational

Mathematics

2 answers:

jonny [76]3 years ago

4 0

Pi* in itself is irrational. Multiplying it by .3 keeps it irrational.

Ne4ueva [31]3 years ago

4 0

'Pi' itself is irrational. So anything you do with it, and any expression it's in, is an irrational number.

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If the 8% tax on a sale amounts to 96. What is the final price (tax included) of the item?

GenaCL600 [577]

I believe it's E.) 12.96

12 times 8% equals .96 so $12.96 should be the answer since it wants the final price with tax :DD

8 0

3 years ago

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Is 0.81 the same as 0.081

Marina CMI [18]

No it is not. One is in hundreths and the other thousandths

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3 years ago

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Explain how you would find the sign of the quotient of 32 divided by -2 over -16 divided by 4

galina1969 [7]

You would find the sign if the signs are not the same if you are dividing or multiplying its negitve if its the same its positive

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4 years ago

Pleaseeeeeee help mee

BlackZzzverrR [31]

Answer:

The solution of the given trigonometric equation

$x = \frac{\pi }{6}$

Step-by-step explanation:

Step(i):-

Given

$cos( 3x - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

$cos( 3x - \frac{\pi }{3} ) = cos (\frac{\pi }{6} )$

$3x - \frac{\pi }{3} = \frac{\pi }{6}$

$3x - \frac{\pi }{3 } + \frac{\pi }{3} = \frac{\pi }{6} + \frac{\pi }{3}$

$3x = \frac{2\pi +\pi }{6} = \frac{3\pi }{6} = \frac{\pi }{2}$

$x = \frac{\pi }{6}$

Step(ii):-

The solution of the given trigonometric equation

$x = \frac{\pi }{6}$

verification :-

$cos( 3x - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

put $x = \frac{\pi }{6}$

$cos( 3(\frac{\pi }{6}) - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

$cos (\frac{\pi }{6} ) = \frac{\sqrt{3} }{2} \\\\\frac{\sqrt{3} }{2} = \frac{\sqrt{3} }{2}$

Both are equal

∴The solution of the given trigonometric equation

$x = \frac{\pi }{6}$

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3 years ago

In a Toy store, the ration of dolls to teddy bears is 9:3. If the store has 240 dolls, how many teddy bears are in the store

agasfer [191]

Answer:

Step-by-step explanation:

It means that there are a third part of teddy bears, so

240 / 3 = 80

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4 years ago

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