Determine whether the given value is a solution of the equation.10(y - 7) = 120; 19
A. A solution
B. Not a solution
Answer: A
Mathematics
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Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.-5x + 3z = 16 7x + 5y - 9z = -26-3x - 7y = -45
A. {(1, -6, -7)} B. {(6, 7, 6)} C. {(1, 6, 7)} D. ({2, 4, 7)}
Mathematics
Answer the question.Consider the numbers 3, 
, -12, 0, 
, 
, 
. Which are real numbers but not integers?
A. -12, 
B. 
, -12, 
C. 
, 0,
D. 
Mathematics
Multiply, simplifying completely. Write answers as mixed numbers whenever possible.2
× 3
A. 9
B. 7
C. 6
D. 10
Mathematics
Use a table of square roots or a calculator to approximate to the nearest thousandth.
A. 5.297 B. 5.289 C. 28.000 D. 5.292
Mathematics