?Use an inverse matrix to solve (if possible) the system of linear equations.
?
A. ?( 
, 
)
B. ?( 4, 
)
C. ?( 
, 
)
D. ?( 
, 
)
E. ?( 
, 3 )
Answer: C
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Solve the given differential equation.D3y + 2 D2y - 16 Dy - 32y = 0
A. y = C1e4x + C2e2x B. y = C1e4x + C2e-4x+ C3e2x C. y = C1e4x + C2e-2x D. y = C1e4x + C2e-4x+ C3e-2x
Make a truth table for the given statement. The letters p, q, r, s represent propositions.p or q
A. 
B. 
C. 
D. 
Solve. Round to the nearest hundredth, if necessary.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 2-kg object stretches a spring 95 cm, find the distance when the weight is 3-kg.
A. 142.5 cm B. 0.06 cm C. 100 cm D. 47.5 cm
Write the sentence as an equation. Use x to represent "a number."Four times a number is equal to 36.
A. 
= 36
B. 4x = 36
C. 4 + x = 36
D. x4 = 36