Determine the size of the matrix.
A. 3 × 3
B. 2 × 3
C. 6 × 6
D. 9
Answer: A
Mathematics
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Solve the problem.Find the centroid of the rectangular solid defined by 
, 
, 
.
A. 
= 1, 
= 
, 
= 
B. 
= 2,
= 
, 
= 
C. 
= 
, 
= 3, 
= 
D. 
= 4, 
= 9, 
= 5
Mathematics
Choose the expression that is equivalent to the given rational number.
A. 1
B. 
C. 0.8
D. 0.
Mathematics
Solve the problem.Below is a schematic depiction of a waterslide. The slide is 26 ft long. The ladder leading to the top of the slide is 21 ft long. How far is it from the end of the slide to the foot of the ladder? Round your answer to hundredths.
A. 7.67 ft B. 15.33 ft C. 23.50 ft D. 117.50 ft
Mathematics
Solve the equation.5x + 5 = 0
A. {-1} B. {1} C. {-5} D. {5}
Mathematics