Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. {(5, -2, -4)}
B. {(6, 0, 4)}
C. {(5, 2, 4)}
D. {(2, 4, 2)}
Answer: C
Mathematics
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 16
B. 1
C. 
D. 
Mathematics
Answer the question.What does the digit 5 mean in the number 985,121?
A. ten-thousands B. thousands C. hundred-thousands D. hundreds
Mathematics
Solve the inequality. Give the solution set in both set-builder notation and graph form.-17 ? 8x - 9 and 9x + 1 < 28
A. 
B. 
C. 
D. 
Mathematics
Use mathematical induction to prove that the statement is true for all positive integers m.
Identify the first step of the solution.
A. Prove for 
.
B. For 
is true.
C. For 
. It's true.
Mathematics