3 years ago

On which interval are both the sine and cosine functions increasing?

Mathematics

1 answer:

alisha [4.7K]3 years ago

6 0

Answer: It’s A

Step-by-step explanation:

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3 years ago

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$\%\ decrease = 9.52\%$

Step-by-step explanation:

Given

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$Saved = \$20.00$

Required

Determine the %decrease

First, we need to determine the amount paid

$Amount = Sales\ Price - Amount\ Saved$

$Amount = \$209.99 - \$20.00$

$Amount = \$189.99$

The percentage decrease is the calculated as follows:

$\%\ decrease = -100\% * \frac{Final - Initial}{Initial}$

In this case;

$Initial = Sales\ Price = \$209.99$

$Final = Amount\ Paid = \$189.99$

So; we have:

$\%\ decrease = -100\% * \frac{189.99 - 209.99}{209.99}$

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$\%\ decrease = 100\% * \frac{20}{209.99}$

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