Use the distributive property to simplify.-9(8m - 3)
A. -72m - 27
B. -27m + 72
C. -72m + 27
D. 27m - 72
Answer: C
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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 - 0.3y - 4.8z = -1.45.4x - 7.0y + 1.7z = -5.04.8x - 1.7y + 0.7z = 11.0
A. {(6.8, 7.2, 2.3)} B. {(13.6, 14.5, 4.5)} C. {(3.4, 3.6, 1.1)} D. {(27.3, 28.9, 9.0)}
Determine whether the given value is a solution to the given equation.Is 3 a solution to x + 6.6 = 9.1?
A. Yes B. No
Solve the problem.How many liters of a 20% alcohol solution must be mixed with 50 liters of a 70% solution to get a 40% solution?
A. 125 L B. 12.5 L C. 7.5 L D. 75 L
and
intersect at point E. If
is a right angle, what relationship exists between
and
src="https://sciemce.com/media/4/ppg__cognero__Section_1.4_Relationships_Perpendicular_Lines__media__773b1ae0-959b-46d3-87e5-eb084eb8743c.PNG" />? What will be an ideal response?