Mathematics, 21.01.2022 22:30 moisescab662
In a class of 50 pupils, it was found that 4 take maths and Bio only,3 take maths and Chem only and 6 take Bio and Chem only. Furthermore, 7 take maths alone, 5 take Bio alone and 8 take chem alone. If 2 take non of the above subjects, find : a) the number of pupils doing all the 3 subjects (3mks) ; b)the number of pupils taking maths and chem.(3mks)
Answers: 3
Mathematics, 21.06.2019 16:00
Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?
Answers: 1
Mathematics, 21.06.2019 21:30
What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14
Answers: 2
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