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mixer [17]
3 years ago
14

Find the missing angle 25 points in it for you plus a thanks, brainliest and 5 star

Mathematics
2 answers:
SVEN [57.7K]3 years ago
8 0

Answer:

27.82 \degree

Step-by-step explanation:

To find the unknown angle use tan rule

\tan( \theta)  =  \frac{opposite}{adjacent}

Let the unknown angle be x

\tan(x)  =  \frac{o}{a}  \\  \tan(x)  =  \frac{19}{36}  \\  \tan(x)  = 0.5277 \\ x =  \tan ^{ - 1} 0.5277 \\ x = 27.82 \degree

Hope this helps you.

Let me know if you have any other questions :-):-)

Nina [5.8K]3 years ago
5 0
Detailed explanation below

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Read 2 more answers
In a group of a hundred and fifty students attending a youth workshop in mombasa, 125 of them are fluent in kiswahili, 135 in en
jek_recluse [69]

Answer:

The probability that a student chosen at random is fluent in English or Swahili.

P(S∪E) = 1.1

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given total number of students n(T) = 150

Given 125 of them are fluent in Swahili

Let 'S' be the event of fluent in  Swahili language

n(S) = 125

The probability that the fluent in  Swahili language

P(S) = \frac{n(S)}{n(T)} = \frac{125}{150} = 0.8333

Let 'E' be the event of fluent in English language

n(E) = 135

The probability that the fluent in  English language

P(E) = \frac{n(E)}{n(T)} = \frac{135}{150} = 0.9

n(E∩S) = 95

The probability that the fluent in  English and Swahili

P(SnE) = \frac{n(SnE)}{n(T)} = \frac{95}{150} = 0.633

<u><em>Step(ii):</em></u>-

The probability that a student chosen at random is fluent in English or Swahili.

P(S∪E) = P(S) + P(E) - P(S∩E)

           = 0.833+0.9-0.633

           = 1.1

<u><em>Final answer:-</em></u>

The probability that a student chosen at random is fluent in English or Swahili.

P(S∪E) = 1.1

8 0
2 years ago
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