Write the expression in the standard form a + bi.(-
+ i)6
A. 64 - 64
i
B. 64i
C. -64
D. -64
+ 64i
Answer: C
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Provide an appropriate response.Suppose that you are solving a system of 4 linear equations and 4 variables by the Gaussian elimination method. If you use the transformation 2R4 + R3, which row(s) of the augmented matrix will change?
A. Rows 4 and 3 B. Row 3 C. Row 4 D. No rows will change.
Provide an appropriate response.Which of the following properties do not hold for matrix multiplication?(i)Associative property(ii)Commutative property(iii)Distributive property(iv)Zero-factor property (If the product of two matrices is a zero matrix, one of the factors must be a zero matrix.)
A. (i), (iii) B. (ii) only C. (ii), (iv) D. None (All of the listed properties hold.)
Solve the problem.A certain drug comes in 2000-mg pills. How many of these pills do you have to take to get a dosage of half a gram?
A. 5
B. 4
C. 
D. 
Answer as indicated in a complete sentence.A bird has a wing span of 68 inches. Express this measure in feet and inches.
A. A bird has a wing span of 5 feet 8 inches B. A bird has a wing span of 8 feet 5 inches C. A bird has a wing span of 5 feet 2 inches D. A bird has a wing span of 4 feet 20 inches