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3 years ago

6

In a dental clinic with one dentist, the average number of patients from time to time is 2. What is the dentist's expected idle

time each day?

1 answer:

RoseWind [281]3 years ago

4 0

Answer:

Step-by-step explanation:

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alekssr [168]

32/8 simplified is 4. 36 divided by 4 is 9. so.. 9+7 is 16 times 14 is. 224. The answer is 224. :)

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3 years ago

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A.the solution to the system is (-2,0)

Lunna [17]

The answer I’m for sure it’s D

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3 years ago

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Lyrx [107]

Answer:

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The sum of two consecutive integers is -67? Find the integers

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4 years ago

Analyze this derivation of the tangent double angle identity. tan(2x) = tan (x + x) Equals StartFraction tangent (x) + tangent (

hammer [34]

The derivation steps and the reasons are:

$\tan(2x) = \tan(x+x)$ -------- Addition
$\tan(2x) = \frac{\tan(x) + \tan(x)}{1 - \tan(x) \tan(x)}$ --------- Tangent sum identity
$\tan(2x) = \frac{\tan(x) + \tan(x)}{1 - \tan^2(x)}$ ------- Simplify

<h3>What is the tangent sum identity?</h3>

The tangent sum identity states that:

$\tan(a + b) = \frac{\tan(a) + \tan(b)}{1 - \tan(a) \tan(b)}$

To determine the derivation of tan(2x), we make use of the following steps.

Rewrite 2x as the addition of x and x.

So, we have:

$\tan(2x) = \tan(x+x)$ --- step 1

Next, we apply the tangent sum identity.

Recall that:

$\tan(a + b) = \frac{\tan(a) + \tan(b)}{1 - \tan(a) \tan(b)}$

Substitute x for a and b.

So, we have:

$\tan(2x) = \frac{\tan(x) + \tan(x)}{1 - \tan(x) \tan(x)}$ ---- step 2

Simplify the denominator

$\tan(2x) = \frac{\tan(x) + \tan(x)}{1 - \tan^2(x)}$

Hence, the result of the derivation is $\tan(2x) = \frac{\tan(x) + \tan(x)}{1 - \tan^2(x)}$

Read more about trigonometric identity at:

brainly.com/question/7331447

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2 years ago