Multiple choice
Which of the following statements are true? (matrices and determenents)
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Mathematics, 05.03.2020 05:31, glamorouspotato1251
Multiple choice
Which of the following statements are true? (matrices and determenents)
1. If any row of a square matrix is zero, its determinant is zero.
2. If all numbers in a matrix are equal, its determinant is zero.
3. The determinant of any identity matrix is zero.
4. The determinant of a matrix with all positive numbers is always positive.
5. The determinant of any zero matrix is zero.
(multiple choice)
Answers: 2
Mathematics, 21.06.2019 22:00, goodperson21
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
Answers: 2
Mathematics, 22.06.2019 01:30, Jharsh2300
Urgent need asap △abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.
Answers: 1
Mathematics, 15.05.2021 03:40
Mathematics, 15.05.2021 03:40
Computers and Technology, 15.05.2021 03:40