Solve the system of equations using the inverse of the coefficient matrix.
A. x = 1, y = -3
B. x = 3, y = -1
C. x = -3, y = 1
D. x = -1, y = 3
Answer: A
Mathematics
You might also like to view...
Use a calculator to perform the operation. Express your answer in scientific notation.0.0000725(0.00473)(2,450,000,000)
A. 8.40 × 10-14 B. 8.40 C. 8.40 × 102 D. 8.40 × 107
Mathematics
For the following, write an equivalent numeral in the Hindu-Arabic system.
A. 8 B. 780 C. 78 D. 13
Mathematics
Provide an appropriate response.0.5 is what percent of 50?
A. 100% B. 1% C. 10,000% D. 0.01%
Mathematics
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.-9x
A. Monomial, variable x; coefficient 1; degree -9 B. Monomial; variable x; coefficient -9; degree 1 C. Monomial,; variable x; coefficient -9; degree 0 D. Not a monomial
Mathematics