Change to the measure indicated.52.2 hectograms to kilograms
A. 5.22 kg
B. 5,220 kg
C. 52.2 kg
D. 0.522 kg
Answer: A
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Solve the given differential equation.y''' + 3y'' + 25y' + 75y = 0
A. y = C1e-4x + (C2 + C3x)e-7x B. y = C1e-4x + C2e7x + C3e-7x C. y = C1e-4x + (C2 cos 7x + C3 sin 7x) D. y =(C1 + C2x)e-4x + C3e7x
Solve the system. x - y + 5z = 272x + z = 5 x + 4y + z = -3
A. {(0, -2, 5)} B. {(5, -2, 0)} C. ? D. {(5, 0, -2)}
Solve the equation.
= 8
A. x = 56 B. x = 560 C. x = 49 D. x = 46
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7000 in 1982 and $76,500 in 1987. Let x = 0 represent 1982. Find the equation giving yearly sales y.
A. S(x) = 69,500x + 76,500 B. S(x) = 69,500x + 7000 C. S(x) = 13,900x + 76,500 D. S(x) = 13,900x + 7000