Mathematics, 06.06.2020 22:01 chels6058
Use Gauss-Jordan row reduction to solve the given system of equations. HINT [See Examples 1-6.] (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x, where y = y(x) and z = z(x).) x + y β z = β6 x β y β 7z = β8 0.75x β 0.5y + 0.25z = 18 x + y + z = 4
Answers: 3
Mathematics, 21.06.2019 19:00
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
Mathematics, 21.06.2019 23:30
Find ββ14β a. 14 b. β14 c. start fraction 1 over 14 end fraction
Answers: 2
Mathematics, 21.06.2019 23:30
What is the explicit rule for the sequence in simplified form? β1,β4,β7,β10,β13β¦ an=4β5n an=β4β3n an=2β3n an=β6β5n
Answers: 1
Mathematics, 22.06.2019 01:00
Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.
Answers: 2
Use Gauss-Jordan row reduction to solve the given system of equations. HINT [See Examples 1-6.] (If...
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