Multiply.(0.4x - 0.3)2

A. 0.16x2 + 0.24x + 0.09
B. 0.16x2 + 0.24x - 0.09
C. 0.16x2 - 0.24x + 0.09
D. 0.16x2 + 0.09


Answer: C

Mathematics

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Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 4i + 2j + 8k, v = -i - 2j - 2k

A. 6i - k
B. 180; i +  j + k
C. 180; i + k
D. 6i + k

Mathematics

Find a formula for the inverse of the function described below.A size-4 dress in Country C is size 40 in Country D. A function that converts dress sizes in Country C to those in Country D is 

A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = x - 16
D. f-1(x) =  + 16

Mathematics

Provide an appropriate response.Three components A, B, and C, are used in the manufacturing of a product. For a production run, 100, 150, and 200 units of A, B, and C are $2, $1, and $3, respectively. Represent the total cost of A, B, and C by a matrix product.

What will be an ideal response?

Mathematics

Multiply.2307 × 0.25

A. 565.22 B. 5767.5 C. 57,675 D. 576.75

Mathematics