Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)1.8x + 1.3y - 4.6z = 3.24.1x - 6.4y + 1.5z = -3.62.0x + 4.0y + 4.7z = 8.2
A. {(1.1, 1.3, 0.1)}
B. {(4.6, 5.3, 0.5)}
C. {(2.3, 2.7, 0.3)}
D. {(0.6, 0.7, 0.1)}
Answer: A
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Perform the division.
A. m2n2 + n3 B. m2n2 + mn2 C. m4n4 + m2n4 D. m2n2 + n2
A discrete probability distribution for a random variable X is given. Use the given distribution to find the requested information.Find E(X).
A. 1.22 B. 1.42 C. 1.52 D. 1.32
Which of the following is not true about the area of a Quadrilateral??
A. ?Area is measured in square units. B. ?Area of a Rectangle = Length × Width C. ?If a rectangle is a quadilateral, then the area of a rectangle and a quadilateral can be expressed as: A = LW. D. ?Since not all parallelograms are rectangles, then the area of a parallelogram is not: A = LW. E. ?Since not all quadrilaterals are rectangles, then the area of a quadrilateral is not: A = LW.
Provide an appropriate response.How many real number cube roots does any negative number have?
Fill in the blank(s) with the appropriate word(s).