Determine whether matrix B is the inverse of matrix A by finding the product AB.A = 
, B = 
A. B = A-1
B. B ? A-1
Answer: A
Mathematics
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Use the indicated formula to find the sum.Use S = n2 to find the sum of 1 + 3 + 5 + . . . + 499.
A. 124,002 B. 62,500 C. 15,625 D. 62,001
Mathematics
Multiply using Napier rods.49 × 325
A. 15,974 B. 16,250 C. 15,925 D. 15,876
Mathematics
Provide an appropriate response.A pipe has an interior cross sectional area of 85 cm2. What is the interior diameter of the pipe? Round to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
A. 2z
B. z6
C. 
D. z24
Mathematics