Find the exact value of the given expression.

What will be an ideal response?


Mathematics

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Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)1.5x + 3.1y - 2.3z + 0.6w = 2.76.1x - 0.5z - 3.4w = 0.811.5y - 2.2w = 04.0x +  3.0y - 2.1z = 9

A. {(4.3, 1.3, 4.9, 6.7)} B. {(7.9, 2.4, 9.0, 12.3)} C. {(3.6, 1.1, 4.1, 5.6)} D. {(3.2, 1.0, 3.7, 5.0)}

Mathematics

Place the correct symbol, <, >, or =, in the blank between the expressions.-|-2|  -2

A. < B. = C. >

Mathematics

Find the sum.109 + 6 + (-9) + (-6)

A. 100 B. 112 C. 130 D. 118

Mathematics

Write the number in decimal notation.Twenty-four hundredths

A. 24 B. 0.24 C. 20.4 D. 0.024

Mathematics