Find the negation of the following statement.Some athletes are musicians.

A. All athletes are musicians.
B. Some athletes are not musicians.
C. No athletes are musicians.
D. All athletes are not musicians.


Answer: C

Mathematics

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Perform the indicated operations graphically.(-4 + j ) - (-2 - 3j )

A.

a = -4 + j
b = 2 + 3j
c = (-4 + j ) - (-2 - 3j )
B.

a = -4 + j
b = 2 + 3j
c = (-4 + j ) - (-2 - 3j )
C.

a = -4 + j
b = 2 + 3j
c = (-4 + j ) - (-2 - 3j )
D.

a = -4 + j
b = 2 + 3j
c = (-4 + j ) - (-2 - 3j )

Mathematics

Refer to a normal distribution described by the following figure. The mean is ? and the standard deviation is ?. A data value of -70 corresponds to a standardized value of

A. -0.5. B. -2.22. C. -0.25. D. -1.5. E. none of these

Mathematics

Write the augmented matrix for the system. Do not solve the system. 7x + 4y = 39 5x + 3y = 29

A.

B.

C.

D.

Mathematics

Divide and/or multiply as indicated. Simplify and leave the numerator and denominator in your answer in factored form. ÷ 

A. 5x2 + 5x
B.
C. 5x2
D.

Mathematics