Solve the system of equations  figure 1.png)
by converting to a matrix equation and using its inverse coefficient matrix  figure 2.png)
What will be an ideal response?
 answer.png)
Mathematics
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Round the number to the place value indicated.61,005
A. 61,000 B. 62,000 C. 61,010 D. 61,100
Mathematics
Find the exact value of the expression.cos (45° - 30°)
A. 
B. 
C. 
D. 
Mathematics
Factor completely.15y5 - 10y4 + 25y2
A. 5y2(3y3 - 2y2 + 5y) B. 5y2(3y3 + 2y2 - 5) C. 5y(3y4 - 2y3 + 5y) D. 5y2(3y3 - 2y2 + 5)
Mathematics
Solve the system of equations by the substitution method. Check your solutions.
A. {(2, 8), (5, 1)} B. {(-2, 8), (-5, 11)} C. {(2, 4), (5, 1)} D. {(4, 2)}
Mathematics