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3 years ago

Help with 10-14 questions plz

Mathematics

1 answer:

lesya [120]3 years ago

3 0

#10) 63,945 cubic inches.
#11) PRISM A = 120 cubic inches. PRISM B = 960 cubic inches. Prism B is 8 times greater in size.
#12) 58.4375 cubic centimeters.
#13) 58.5 inches.
#14) 3,860 grams.

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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:

Step(i):-

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

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

Step(ii):-

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

Final answer:-

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

P(S∪E) = 1.1

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What is the ratio of the number of days in the week that do not begin with the letter "T" to the number of days in the week that

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Answer:

5:7

Step-by-step explanation:

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Hope this helps:)

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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