Write the division problem using two other symbols.45 ÷ 9 = 5
A. 45 × 9 = 5; 45 - 9 = 5
B. 
= 5; 
C. 
= 5; 
D. 
= 45; 
Answer: C
Mathematics
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Evaluate or simplify the given expression.cos (cot-1 x)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The perimeter of a rectangle is 46 cm. The length is 11 cm longer than the width. Find the dimensions.
A. Width: 6 cm; length: 11 cm B. Width: 10 cm; length: 21 cm C. Width: 12 cm; length: 23 cm D. Width: 6 cm; length: 17 cm
Mathematics
The dimensions of two matrices are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A is 1 × 3; B is 1 × 3.
A. AB is 1 × 3; BA is 3 × 1. B. AB is not defined, BA is not defined. C. AB is 1 × 1; BA is 3 × 3. D. AB is 3 × 1; BA is 1 × 3.
Mathematics
Name the quadrant in which the angle ? lies.sec ? < 0, tan ? < 0
A. I B. II C. III D. IV
Mathematics