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chizoba
16.04.2020 •
Mathematics
In mrs.darcys jewelry there are 5 silver necklaces,4 gold necklaces,6 pearl earrings,4 gold earrings,2 silver earrings and 1 gold bracelet. if an item is taken at random from the box, what is the probability a necklace will be drawn
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Ответ:
21
Step-by-step explanation:
Ответ:
A. 9x - (-5 + 6x) = 9x + 5 -6x = 3x + 5
B. 9x -(5 -6x) = 9x - 5 + 6x = 3x - 5
C. 9x - (6x + 5 ) = 9x - 6x -5 = 3x - 5
D. 9x -(6x -5 ) = 9x - 6x +5 = 3x + 5
E. 9x -(-6x +5) = 9x + 6x -5 = 15x -5
options : A and D