Use the theoretical probability formula to solve the problem. Express the probability as a fraction reduced to lowest terms.A single die is rolled twice. The set of 36 equally likely outcomes is {(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), (2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6), (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6), (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6), (5, 1),  (5, 3), (5, 4), (5, 5), (5, 6), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6),}. Find the probability of getting two numbers whose sum is less than 13.

A. 1
B. 0
C.
D.


Answer: A

Mathematics

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Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 6x - 7

A. f-1(x) =  + 7
B. f-1(x) = 
C. f-1(x) = 
D. Not one-to-one

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Decide whether the statement translates into an expression or an equation.7 times a number is 35.

A. Expression B. Equation

Mathematics

Represent the system of linear equations in the form AX = B and solve by finding A-1 and using X = A-1B.  y + z = 4,3x    - z = 6, 2x + y + 3z = 9

What will be an ideal response?

Mathematics

Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.cot 900°

A. -1
B.
C. 0
D. undefined

Mathematics