Solve the system using the matrix inverse method. 5x + 4y = 86x - 3y = 33
A. {(-4, 3)}
B. {(4, -3)}
C. {(3, -4)}
D. {(-3, 4)}
Answer: B
Mathematics
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Provide an appropriate response.Determine which of the following is used to solve the equation ?ax + b? = c.
A. ax + b = c or ax + b = -c B. ax + b = c and ax + b = -c C. ax + b = -c D. ax + b = c
Mathematics
Use mathematical induction to prove the following.1 ? 2 + 2 ? 3 + 3 ? 4 + . . . + n(n + 1) = 
What will be an ideal response?
Mathematics
Perform the indicated operation. Write your result in scientific notation.(6.8 × 105)(3.2 x 106)
A. 2.176 × 1012 B. 2.176 × 1030 C. 2.2 × 10-12 D. 2.176 × 105
Mathematics
Find the cofactor of the indicated element of the matrix shown.a13;
A. 23 B. 14 C. -13 D. 13
Mathematics