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3 years ago

Determine the 30th term of the sequence 16,24,32

Mathematics

1 answer:

Tju [1.3M]3 years ago

6 0

The 30th term of this sequence would be 248

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Can All mixed numbers can be renamed as decimals?

ohaa [14]

Answer:

We can convert a mixed number (or mixed fraction) to a decimal. Strategies to convert mixed fractions to decimals: Change the mixed fraction to an improper fraction and then divide. Convert the fractional part only and then add it to the whole number.

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2 years ago

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3x-3=2x<br><br> Please help me...?<br> 10 points given

svetoff [14.1K]

3x - 3 = 2x

Add 3 on both sides

3x - 3 + 3 = 2x + 3
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Subtract 2x on both sides

3x - 2x = 2x + 3 - 2x
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In a sociology class there are 1414 sociology majors and 1111 non-sociology majors. 33 students are randomly selected to present

saul85 [17]

Answer: $0.4065$

Step-by-step explanation:

Given : In a sociology class there are 14 sociology majors and 11 non-sociology majors.

Total students = 14+11=25

Number of students are randomly selected = 3

Then, the number of ways to select 3 students from 25 students :-

$^{25}C_3=\dfrac{25!}{(25-3)!3!}=\dfrac{25\times24\times23\times22!}{22!3!}\\\\=2300$

Number of ways to select at least 2 of the 3 students re non-sociology majors :-

$^{14}C_1\times^{11}C_2+^{14}C_0\times ^{11}C_{3}\\\\=(14)\times\dfrac{11!}{2!(11-2)!}+(1)\times\dfrac{11!}{3!(11-3)!}\\\\=(14)(11\times5)+\dfrac{11\times10\times9}{6}\\\\=770+165=935$

The probability that at least 2 of the 3 students selected are non-sociology majors will be :-

$\dfrac{935}{2300}=0.40652173913\approx0.4065$

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3 years ago

Which statements about the hyperbola are true? Select two options.

timofeeve [1]

Answer:

The answer is B and E.

Step-by-step explanation:

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