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3 years ago

11

Abdul flips a weighted coin 64 times and gets 16 tails. Based on experimental probability, how many of the next 40 flips should

Abdul expect to come up tails?

1 answer:

sergij07 [2.7K]3 years ago

7 0

Answer:

yes, Abdul should expect to come up tails.

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What is the length of the line TR

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15

Step-by-step explanation:

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What is the rest of the problem? I can help you!

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In triangle abc, m of acb = 90, cd is perpendicular to ab , m of acd is 60. and bd is 5 cm. find ad

weeeeeb [17]

Let us draw a picture to make the things more clear.

Attached is the image.

We have been given that

$\angle acd = 60 ^{\circ}$

Therefore, we have

$\angle dcb =90- 60= 30 ^{\circ}$

Now, in triangle bcd, we have

$\tan30 = \frac{5}{cd}\\
\\
\frac{1}{\sqrt 3}=\frac{5}{cd}\\
\\
cd=5\sqrt 3$

Now, in triangle acb, we have

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\\
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\\
ad= 5\sqrt3 \times \sqrt 3\\
\\
ad= 5\times 3\\
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Thus, ad is 15 cm.

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Step-by-step explanation:

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