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2 years ago

Statistics urgent Use n=6 and p=0.85 to complete

Mathematics

1 answer:

Bas_tet [7]2 years ago

7 0

Answer:

I cant see anything on that picture. Wish I could help bruv. I wish I could help. It's a shame innit.

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Given sin theta= 6/11 and sec theta < 0, find cos theta and tan theta.

bekas [8.4K]

Answer: option a.

Step-by-step explanation:

By definition, we know that:

$cos^2(\theta)=1-sen^2(\theta)\\\\tan(\theta)=\frac{sin(\theta)}{cos(\theta)}$

Substitute $sin(\theta)=\frac{6}{11}$ into the first equation, solve for the cosine and simplify. Then, you obtain:

$cos(\theta)=\±\sqrt{1-(\frac{6}{11})^2}\\\\cos(\theta)=\±\sqrt{\frac{85}{121}}\\\\ cos(\theta)=\±\frac{\sqrt{85}}{11}$

As $sec\theta$ then $cos\theta$ :

$cos(\theta)=-\frac{\sqrt{85}}{11}$

Now we can find $tan\theta$ :

$tan\theta=\frac{\frac{6}{11}}{-\frac{\sqrt{85}}{11}}\\\\tan\theta=-\frac{6\sqrt{85}}{85}$

4 0

3 years ago

Read 2 more answers

Renee tossed 12 heads when tossing a coin 18 times.

Nadya [2.5K]

So,

Simply divide 12 by 18.
$\frac{12}{18} --\ \textgreater \ \frac{2}{3}$

The experimental probability of tossing heads was 2 out of 3.

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2 years ago

PLEASE ANSWER, ITS SIMPLE

iogann1982 [59]

Your average now is 68

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2 years ago

-6 7/8 divided by (-3 3/4)

Nimfa-mama [501]

Answer:

Exact Form: 11/6

Decimal Form: 1.83

Mixed Number Form: 1 5/6

Step-by-step explanation:

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2 years ago

The two figures are similar. Identify the similar sides, and then write the similarity statement. Fill in each blank, then compl

AlladinOne [14]

Answer:

- AB is similar to YZ because all the sides from triangle ABC got multiplied by 3/4, and 40 times 3/4 = 30.

- AC is similar to YX because 50 times 3/4 = 37.5.

- CB is similar to XZ because 60 times 3/4 = 45.

hope this helps!

6 0

3 years ago