Mathematics, 29.06.2021 04:00 yesmi
There are 40pupils in a class. 30 of them study Biology, 22 study Physics and 21 study chemistry,15 study physics and Biology, 10 study Physics and chemistry, 13 study biology and chemistry, 2 study physics only, 3 study chemistry only and 7 study biology only.
Represent this information on a Venn diagram.
How many pupils study all the subject.
If a student is selected at random, what is the probability that he studies either physics or chemistry.
Answers: 2
Mathematics, 21.06.2019 13:00, hihihi129473838
Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.
Answers: 2
Mathematics, 21.06.2019 14:00, holaadios222lol
Which expression is equivalent to? assume x > 0 and y > 0.
Answers: 1
Mathematics, 21.06.2019 19:30, santileiva123199
Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
Answers: 1
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