Mathematics, 10.09.2020 04:01 SithLeo
Introduction: (In Your Notebook)
Several students are surveyed about whether they prefer writing with a pen or a pencil and they are
also asked whether they prefer lined paper or unlined paper. Some of the results are:
• The survey included 100 different students.
• 40 students said they prefer using pen more than pencil.
• 45 students said they prefer using unlined paper more than lined paper.
• 10 students said they prefer lined paper and pen.
• 45 students said they prefer pencil and lined paper.
How could we determine the following?
1. How many students prefer using pencil more than pen? 60
2. How many students prefer using pen and unlined paper? 40
3. How many students prefer using pencil and unlined paper? 15
Answers: 2
Mathematics, 21.06.2019 18:00
John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.
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Mathematics, 22.06.2019 01:10
Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
Answers: 3
Mathematics, 22.06.2019 03:30
Sections of prefabricated wood are each 5 1/3 feet long. how long are 7 1/2 sections placed end to end?
Answers: 1
Introduction: (In Your Notebook)
Several students are surveyed about whether they prefer writing wi...
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