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3 years ago

14

in a class of 24 students reads physics, 21 reads mathematics and 9 reads both subjects.if each student reads at least one of th

e two subjects. find the number of students in the class

1 answer:

rusak2 [61]3 years ago

4 0

45 students. Is the answer

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%5Csqrt%7B5%7D%7D%7B3%5Csqrt%7B2%7D%20%7D" id="TexFormula1" title="\frac{4\sqrt{5}}

kykrilka [37]

Step-by-step explanation:

$= \frac{4 \sqrt{5} }{3 \sqrt{2} }$

Calculate the expression...

$= \frac{4\sqrt{10} }{6}$

Reduce the fraction..

$= \frac{2 \sqrt{10} }{3}$

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3 years ago

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Dmitrij [34]

Hope that helps......

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3 years ago

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Olegator [25]

Answer:

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Step-by-step explanation:

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3 years ago

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4 years ago

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If a group of independent variables are not significant individually but are significant as a group at a specified level of sign

ycow [4]

Answer:

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3 years ago