Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes
B. No
Answer: B
Mathematics
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Make the indicated conversion between American and metric units of capacity using the given property or properties. Round the answer to the nearest tenth unless instructed otherwise.23 liters to quarts (1 L ? 1.06 qt)
A. 27.6 qt B. 10.4 qt C. 21.8 qt D. 24.4 qt
Mathematics
Evaluate the polynomial function for the given value.S(x) = 0.8x2 - 4.8x + 2.7; S(-0.2)
A. 3.692 B. 1.019 C. -3.692 D. 0.155
Mathematics
Solve the given differential equation.D4y + 5 D3y - 9 D2y - 45 Dy = 0
A. y = C1 + C2e3x + C3e-3x+ C4e-5x B. y = C1 + C2e3x + C3e-3x + C4e5x C. y = C1e3x + C2e-3x + C3e5x D. y = C1e3x + C2e-3x+ C3e5x
Mathematics
Find the Cartesian coordinates of the given point.
A. 
B. 
C. 
D. 
Mathematics