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patriot [66]
2 years ago
8

Out of 300 students in a class, 60 percent students study physics, 35 percent students study chemistry and 20 percent do not stu

dy both of the subjects. how many students study both subjects
Mathematics
1 answer:
Natasha2012 [34]2 years ago
4 0

22 students study both subjects.

What is Venn diagram in math ?

  • In a Venn diagram, sets are represented by shapes; usually circles or ovals.
  • The elements of a set are labeled within the circle.

N=55,n(M)=23,n(P)=24,n(C)=19,n(M∩P)=12,n(P∩C)=7,n(M∩C)=9,n(M∩P∩C)=4

Now, number of students who studying only Mathematics

n(M∩P)∩C =n(M)−n(M∩P)−n(M∩C)+n(M∩P∩C)    (by  Venn diagram) diagram=23−9−12+4=6

number of students who studying only Physics

n(P∩M )∩C  =n(P)−n(P∩M)−n(P∩C)+n(P∩M∩C)    (by Venn diagram)

                =24−12−7+4=9

Now, number of students  who studying only Chemistry

n(C∩M  )∩P =n(C)−n(C∩M)−n(C∩P)+n(M∩P∩C)    (by Venn diagram)

                    =19−9−7+4=7

So, how many students study only one of the three disciplines in detail                                                            6+9+7=22

Learn more about venn diagram

brainly.com/question/14344003

#SPJ4

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Find the output, kkk, when the input, ttt, is -7−7minus, 7.<br> k = 10t-19k=10t−19
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The output k at input t = -7 is -89

Step-by-step explanation:

In order to find the value of a expression on given number, we put the number in given expression in place of independent variable

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It is given that the value of t has to be -7

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The output k at input t = -7 is -89

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