Mathematics, 07.11.2019 06:31 tporter00
Which of the following subsets of r3×3r3×3 are subspaces of r3×3r3×3? (r3×3r3×3 denotes the set of all 3×33×3 matrices with real entries.)
a. the 3×33×3 matrices whose entries are all integers
b. the diagonal 3×33×3 matrices
c. the 3×33×3 matrices in reduced row-echelon form
d. the 3×33×3 matrices with all zeros in the third row
e. the invertible 3×33×3 matrices
f. the symmetric 3×33×3 matrices
Answers: 1
Mathematics, 21.06.2019 13:00
(40 points) i need some . an answer definition is appreciated as well.
Answers: 2
Mathematics, 21.06.2019 16:30
Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?
Answers: 1
Mathematics, 22.06.2019 00:20
Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry
Answers: 1
Which of the following subsets of r3×3r3×3 are subspaces of r3×3r3×3? (r3×3r3×3 denotes the set of...
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