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PSYCHO15rus [73]
3 years ago
11

If you flip a fair coin 6 times, what is the probability that you will get exactly 4 tails?

Mathematics
1 answer:
erica [24]3 years ago
4 0

Answer:

So the number of outcomes with exactly 4 tails is 720/2/24 = 15. Finally we can now calculate the probability of getting exactly 4 tails in 6 coin tosses as 15/64 = 0.234 to 3 decimal places

Step-by-step explanation:

hope this helps :)

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A cylinder has a height of 9 centimeters and a radius of 13 centimeters. What is its volume? Use ​ ≈ 3.14 and round your answer
mash [69]

Step-by-step explanation:

as any other fully symmetric 3D object, the volume is

base area × height.

the area of a circle is

pi×r²

so, we have in our case

pi×13²×9 = 3.14×169×9 = 4,775.94 cm³

5 0
2 years ago
Need help.
Zina [86]
f(x)=5x+9\\
f'(x)=5
The derivative is constant. It's equal 5 for any argument.

f(x)=\dfrac{6}{x}\\
f'(x)=-\dfrac{6}{x^2}\\
f'(-2)=-\dfrac{6}{(-2)^2}=-\dfrac{6}{4}=-\dfrac{3}{2}
3 0
3 years ago
Helpl please urgent!! plzzzzzzzzzzzz
Elodia [21]

Answer:

45 in

Step-by-step explanation:

This look like the branch of the basic pythagorean triplet.

3, 4, 5 is a fundamental triplet.

if you multiply all three numbers by 9, you will get:

27, 36, 45

X = 45 in

Hope this helps :)

6 0
2 years ago
Okay last one of these, 15 points xox​
Vanyuwa [196]

Answer:

<u>13.2 centimeters</u>

Step-by-step explanation:

<u>Finding the missing side</u>

  • (?)² + (9)² = (16)²
  • ?² + 81 = 256
  • ?² = 175
  • ? = √175
  • ? = <u>13.2 centimeters</u>
7 0
1 year ago
Read 2 more answers
Using the protractor, find the angle measure.
Andrej [43]

Answer:

140°

Step-by-step explanation:

155°-15° =140°

4 0
3 years ago
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