Mathematics, 26.08.2019 23:30 juan3937
#1. which is equal to z3 8? a. (z - 2)(z^2 - 2z - 4). b. (z + 2)(z^2 - 2z + 4) c.(z - 2)(z^2+ 2z + 4). d. (z + 2)(z^2+ 2z - 4) #2. which is equal to x2 + 2x + xy + 2y? a. (x + y)(x - 2) b. (x - y)(x - 2) c. (x - y)(x + 2) d. (x + y)(x + 2) #3. which is equal to x2 + 2x + xy + 2y? a. (x + y)(x 2) b. (x y)(x 2) c. (x y)(x + 2) d.(x + y)(x + 2) #4. which is equal to x^3 - 2x^2 - 49x + 98? a. (x - 7)(x + 7)(x + 2) b.(x + 7)(x - 2) c.(x2 + 49)(x - 2) d. (x - 7)(x + 7)(x - 2) #5. what is the solution set to the equation (x 4)(x + 3) = 0? a. {3, -4} b.{-3, -4} c. {-3, 4} d. {3, 4} #6. what is the solution set to the equation a2 - 25 = 0? a. {-5, 5} b. {-5, -5} c. {0, -5} d. {0, 5}
Answers: 1
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 18:30
Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.
Answers: 3
Mathematics, 21.06.2019 19:30
The measure of an angle is 117Β°. what is the measure of a supplementary angle?
Answers: 2
#1. which is equal to z3 8? a. (z - 2)(z^2 - 2z - 4). b. (z + 2)(z^2 - 2z + 4) c.(z - 2)(z^2+ 2z +...
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