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4 years ago

Of the 350 songs d'marco downloaded 24% were free what is the total number of free songs D'Marco downloaded?

Mathematics

1 answer:

nignag [31]4 years ago

7 0

24% of 350 = 84 songs free.

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Sphinxa [80]

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3 years ago

Verify which of the following are identities.

-Dominant- [34]

Answer:

Only the second equation is an identity

Step-by-step explanation:

$8 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=8 \csc(\theta)$

Note that

$\tan^2(\theta)\csc^2(\theta)=\sec^2(\theta)$

You can confirm it:

$\frac{\sin^2(\theta)}{\cos^2(\theta)}\cdot \frac{1}{\sin^2(\theta)}= \frac{1}{cos^2(\theta)}= \sec^2(\theta)$

Therefore

$8 \frac{\sec^2(\theta)}{\sec(\theta)} =8 \csc(\theta)$

$8 \frac{\sec(\theta)}{1} =8 \csc(\theta)$

$8\sec(\theta)=8\csc(\theta)$

<h2>It is not an Identity</h2>

Let's the second one

$13 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=13\sec(\theta)$

In this case, we already performed the calculations, so it is true. It is an Identity.

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Irina-Kira [14]

Answer : y = x + 1
the solution is in the pic below :)

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Function

Step-by-step explanation:

Because there is an output for every input listed of its opposite.

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Step-by-step explanation:

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