Mathematics, 09.07.2019 11:30 pookie1971
Is this a difference of squares? x2−30 1. yes because it involves a minus sign 2. yes because it starts with an x2 3. no because it starts with an x2 4. no because the 30 is not a perfect square number factor this difference of squares. 16x2−25 1. (16x−5)(16x+5) 2. (4x−5)(4x+5) 3. (4x−25)(4x+25) 4. (4x2−5)(4x2+5)
Answers: 1
Mathematics, 21.06.2019 16:30
What is the first step of an indirect proof of a number that is divisible by two
Answers: 2
Mathematics, 21.06.2019 17:20
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
Mathematics, 21.06.2019 20:00
Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.
Answers: 2
Is this a difference of squares? x2−30 1. yes because it involves a minus sign 2. yes because it st...
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