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AnnyKZ [126]
3 years ago
15

Which of these triangles appears not to be congruent to any others shown

Mathematics
1 answer:
Wittaler [7]3 years ago
3 0

Answer:

B, C, F

Step-by-step explanation:

B- has different lengths for each side and different angles

C-has different lengths for each side and different angles

F-has different lengths for each side and different angles

Non congruent triangles means if shape is reflected or rotated they would not look the same. Congruent triangles have same equal length and angles are equal in measure.

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About 9% of the population has a particular genetic mutation. 900 people are randomly selected. Find the standard deviation for
timama [110]

Answer:

The standard deviation is of 8.586.

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they have a genetic mutation, or they do not. The probability of a person having the mutation is independent of any other person, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x successes on n repeated trials, with p probability.

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\sqrt{V(X)} = \sqrt{np(1-p)}

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This means that n = 900

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The standard deviation is of 8.586.

3 0
3 years ago
Economic Leading Indicators are based on historical results.<br><br> A.True<br><br> B False
deff fn [24]
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VARVARA [1.3K]

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