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Rufina [12.5K]
3 years ago
11

Someone, please solve this equation without using L'Hopital's rule.

7D0%5C%20%20%5Cfrac%7Bsin%5E%7B2%7D%286x%29%20%7D%7B9x%5E%7B2%7D%20%7D" id="TexFormula1" title="\lim_{x \to \0}0\ \frac{sin^{2}(6x) }{9x^{2} }" alt="\lim_{x \to \0}0\ \frac{sin^{2}(6x) }{9x^{2} }" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
kykrilka [37]3 years ago
7 0

Answer:

\displaystyle \large \boxed{\sf \bf \ \  \lim_{x\rightarrow0} {\dfrac{sin^2(6x)}{9x^2}}=4 \ \ }

Step-by-step explanation:

Hello, sin(x) is equivalent of x when x tends to 0, so

\displaystyle \lim_{x\rightarrow0} {\dfrac{sin^2(6x)}{9x^2}}\\\\=\lim_{x\rightarrow0} {\dfrac{(6x)^2}{9x^2}}\\\\=\lim_{x\rightarrow0} {\dfrac{36x^2}{9x^2}}\\\\=\lim_{x\rightarrow0} {\dfrac{36}{9}}\\\\=4

Thank you.

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I need to know what the answers are and show work. Please help me! And thank you!
yuradex [85]

Answer:

x=29

∠C=93°

Step-by-step explanation:

180°-52°-35°=3(x+2)°

180°-87°=(3x)°+6°

93°=(3x)°+6°

(3x)°=87°

x=\frac{87}{3}

x=29

∠C=3(x+2)°

=3(29+2)°

=3(31)°

=93°

3 0
3 years ago
Find the missing angle measurement for each angle. (Be sure to round to the nearest whole degree)
Debora [2.8K]

Answer:

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4 0
3 years ago
At Sally's Hair Salon there are three hair stylists. 36% of the hair cuts are done by Chris, 26% are done by Karine, and the res
Marina86 [1]

Answer:

Probability that their hair was done by Amy is 0.475.

Step-by-step explanation:

We are given that Sally's Hair Salon there are three hair stylists. 36% of the hair cuts are done by Chris, 26% are done by Karine, and the rest are done by Amy.

Let the Probability of hair cutting done by Chris = P(C) = 0.36

Probability of hair cutting done by Karine = P(K) = 0.26

Probability of hair cutting done by Amy = P(A) = 0.368

Also, let NS = event that customer is not satisfied with his cutting

So, Probability that customers are not satisfied given that their hair cutting is done by Chris = P(NS/C) = 0.05

Probability that customers are not satisfied given that their hair cutting is done by Karine = P(NS/K) = 0.06

Probability that customers are not satisfied given that their hair cutting is done by Amy = P(NS/A) = 0.08

Now, a customer leaving the salon is selected at random. If the customer is not satisfied, the probability that their hair was done by Amy is given by = P(A/NS)

For finding the above probability we will use the concept of Bayes' Theorem;

SO, P(A/NS)  =  \frac{\text{P(A) \times P(NS/A)}}{\text{P(C) \times P(NS/C) + P(K) \times P(NS/K) +P(A) \times P(NS/A) }}\frac{P(A) \times P(NS/A) }{P(C) \times P(NS/C) +P(K) \times P(NS/K) +P(A) \times P(NS/A) }

                     =  \frac{0.38 \times 0.08}{0.36 \times 0.05+0.26 \times 0.06+0.38 \times 0.08}

                     =  \frac{0.0304}{0.064}

                     =  <u>0.475</u>

<em>Hence, the probability that their hair was done by Amy is 0.475.</em>

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She was 8.5 or 8 1/2
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