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4 years ago

Change the percent to a decimal 138.4%

Mathematics

2 answers:

goldfiish [28.3K]4 years ago

8 0

It would equal 1.38400 Your welcome

kondaur [170]4 years ago

8 0

<span>Your answer is 134 thats your answer</span>

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Is 27 a perfect square, a perfect cube, both, or neither?

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Answer:

A perfect cube

Step-by-step explanation:

27 is a perfect cube of 3

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3 years ago

The product of the roots of x² + 6x - 55 = 0 is:

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Step-by-step explanation:

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a store is having a sale in which all items are reduced 20%. Including tax, Jennifer pail $21 for a pair of shorts. If the sales

andrey2020 [161]

Answer:

$25.

Step-by-step explanation:

Let x be the original price of shorts.

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The price of shorts after 20% off will be:

$\text{ Price of shorts after discount}=x-\frac{20}{100}x$

$\text{ Price of shorts after discount}=x-0.2x$

$\text{ Price of shorts after discount}=0.8x$

Since tax is added after the discount, so the price of shorts after including the tax will be:

$0.8x+(\frac{5}{100}\times 0.8x)$

We are told that including tax, Jennifer paid $21 for a pair of shorts. So we can set an equation as:

$0.8x+(\frac{5}{100}\times 0.8x)=21$

Now let us solve for x.

$0.8x+(0.05\times 0.8x)=21$

$0.8x+0.04x=21$

$0.84x=21$

$\frac{0.84x}{0.84}=\frac{21}{0.84}$

$x=\frac{21}{0.84}$

$x=25$

Therefore, the original price of shorts was $25.

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3 years ago