Convert the units.321 g =  kg

A. 321,000 kg
B. 0.321 kg
C. 32,100 kg
D. 0.0321 kg


Answer: B

Mathematics

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Use fractal geometry to determine the answer.Suppose that four identical equilateral triangles are placed together edge to edge to form a new larger equilateral triangle.  What is the scale factor   ?

A. 2 B. 8 C. 4 D. 1

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Find the indicated trig function of ?, if ? is an angle in standard position with the terminal side defined by the given point.(21, 28); Find cos ?.

A.
B.
C.
D.

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Solve the problem.The loudness of a sound can be approximated by the formula d = 10 log10 , where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when  and 

A. 12 decibels B. 20 decibels C. 2 decibels D. 100 decibels

Mathematics

Convert the constraints into linear equations by using slack variables.Maximize z = 1.1x1 + 2.6x2Subject to: 1.9x1 + 1.5x2 ? 33  1.6x1 + 1.3x2 ? 35 x1 ? 0, x2 ? 0

A. 1.9x1 + 1.5x2 + s1 = 33 1.6x1 + 1.3x2 + s2 = 35 B. 1.9x1 + 1.5x2 + s1 ? 33 1.6x1 + 1.3x2 + s2 ? 35 C. 1.9x1 + 1.5x2 = s1 + 33 1.6x1 + 1.3x2 = s2 + 35 D. 1.9x1 + 1.5x2 + s1 ? 33 1.6x1 + 1.3x2 + s2 ? 35

Mathematics