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BaLLatris [955]
3 years ago
6

Find the surface area of the pyramid

Mathematics
2 answers:
polet [3.4K]3 years ago
7 0
It would be 156 because if you do the math you will get that 10*6 60/2 to get 30*4+36 equals 156
34kurt3 years ago
6 0

Answer:

The surface is 156

Step-by-step explanation:

The bottom is 36, and the triangles are 30 each, 30x4=120, 120+36=156

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Artyom0805 [142]
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The first difference is -9. The third difference is -8.
Maybe the fifth difference is -7.
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<span>3, -6, 12, 4, 20, 13</span>
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3 years ago
Let the probability of success on a Bernoulli trial be 0.26. a. In five Bernoulli trials, what is the probability that there wil
andreyandreev [35.5K]

Answer:

0.3898 = 38.98% probability that there will be 4 failures

Step-by-step explanation:

A sequence of Bernoulli trials forms the binomial probability distribution.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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And p is the probability of X happening.

Let the probability of success on a Bernoulli trial be 0.26.

This means that p = 0.26

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Five trials means that n = 5

4 failures, so 1 success, and we have to find P(X = 1).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 1) = C_{5,1}.(0.26)^{1}.(0.74)^{4} = 0.3898

0.3898 = 38.98% probability that there will be 4 failures

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Nutka1998 [239]

x would be 102° . hope it helps

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