Answer the question and provide an explanation.Give an example which demonstrates that subtraction is not commutative.

What will be an ideal response?


Answers may vary. Possible answer: 8 - 5 = 3, but 5 - 8 = -3.

Mathematics

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Write the expression as a product of a whole number and a power of 10. Use an exponent to represent the power of 10.0.02

A. 2 × 10-2 B. 0.2 × 10-2 C. 2 × 10-1 D. 0.2 × 10-1

Mathematics

Solve the inequality. Express your answer using interval notation. Graph the solution set.2x + 8 < 18

A. (-?, 7]

B. (-?, 5)

C. (5, ?)

D. [5, ?)

Mathematics

Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of the squares of two numbers is 82. The sum of the two numbers is -8. Find the two numbers.

A. -9 and -1; 1 and 9 B. -1 and 9 C. -9 and 1 D. -9 and 1; -1 and 9

Mathematics

The sum of the entries in each column of a transition matrix must not exceed 1.

b. False

Mathematics