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Gemiola [76]
3 years ago
10

NEED HELP ASAP PLZZZZS????

Mathematics
1 answer:
e-lub [12.9K]3 years ago
4 0

Answer: m∠F = 31°

Solution: The triangle's rotation is irrelevant to the measure of its angles. In other words, angles D, E, and F will all stay the same if the triangle is turned ("rotated"). That being said, we know by definition that the interior angles of a triangle add up to 180°. We are given two of the angles, and we are asked to find the third:

  1. m∠D + m∠E + m∠F = 180°
  2. 48° + 101° + m∠F = 180°
  3. 149° + m∠F = 180°
  4. m∠F = 31°

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(2,220)

Step-by-step explanation:

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What is the maximum of f(x) = sin(x)?
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Let f(x) = 2x^2+x-3 and g(x) =x-1. Perform the indicated operation, then find the domain. (F-g)(x)
GenaCL600 [577]

Answer:

The answer is (D) ⇒ 2x² - 2 ; domain: all real numbers

Step-by-step explanation:

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Complete the statement. 30 out of 65 students in the class are bus riders. In lowest terms,
ExtremeBDS [4]
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7 0
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According to a study done by a university​ student, the probability a randomly selected individual will not cover his or her mou
Igoryamba

Answer: kindly check explanation

Step-by-step explanation:

Probability of not covering mouth = p(success) = 0.267

Hence, p(covering mouth) = 1 - 0.267 = 0.733

a) What is the probability that among 12 randomly observed individuals exactly 8 do not cover their mouth when​ sneezing? ​

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P(X = 8)

Using binomial distribution :

P(x) = nCx * p^x * (1-p)^(n-x)

P(x =8) = 12C8 * 0.267^8 * 0.733^(12-8)

P(x =8) = 12C8 * 0.267^8 * 0.733^4

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b) What is the probability that among 12 randomly observed individuals fewer than 6 do not cover their mouth when​ sneezing?

P(X < 6) = p(5) + p(4) + p(3) + p(2) + p(1) + p(0)

To save computation time, we can use an online binomial probability calculator :

P(X < 6) = 0.9275

C.) Yes, I will be surprised, because from the binomial probability obtained above, there is a high probability (0.9275) that fewer than half do not cover their mouth.

5 0
3 years ago
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