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Goryan [66]
3 years ago
8

Can ya help me with the answer please and thank you so much

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
7 0

Answer:

20%

Step-by-step explanation:

hope this helps

35+15+30=80

100-80=20

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Jana planted 30 tulips. A total of 2/3 of those tulips have bloomed. How many of the tulips that Jana planted have bloomed?
kumpel [21]

20 tulips. 2/3=20/30 when you multiply both the denominator and numerator by 10.

8 0
3 years ago
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

8 0
3 years ago
A pole is centre of a circular pond of diameter 14m. Total height of a pole is 20m and its part inside a water is 3.5m. If a man
monitta

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3 years ago
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Yuri [45]

Answer:

Step-by-step explanation:

Remember PEMDAS

multiply 4 and 8

32+3

add 32 and 3

35

5 0
3 years ago
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PLS I NEED HELP Choose all of the expressions with a product of at least 50.
svp [43]

Answer:

Its B

Step-by-step explanation:

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