Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Estimate the sum or difference by rounding.
A. 125 B. 124 C. 100 D. 117
Mathematics
Find the number of terms in the arithmetic sequence.7, 3, -1, . . . , -53
A. 15 B. 16 C. 14 D. 17
Mathematics
Use the Factor Theorem to determine whether the linear polynomial is a factor of the second polynomial.x - 6; 2x3 - 11x2 + 19x - 10
A. Yes B. No
Mathematics
Solve the problem.The number of dislocated electric impulses per cubic inch in a transformer when lightning strikes is given by d(x) = 7800(2)x, where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at 
and 
A. 15,600; 249,600 B. 7800; 249,600 C. 7800; 31,200 D. 7800; 78,000
Mathematics