If an integer is randomly selected from all positive 2-digit integers, what is t

游客2025-02-24 38

问题 If an integer is randomly selected from all positive 2-digit integers, what is the probability that the integer chosen has
(a)a 4 in the tens place?
(b)at least one 4 in the tens place or the units place?
(c)no 4 in either place? [br]

选项

答案 1/9

解析

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If an integer is randomly selected from all positive 2-digit integers, what is t

Whichofthefollowingisequaltothecubeofanon-integer?A、-64B、-1C、8D、9

Ifthesumoffiveconsecutiveoddintegersis5,whichofthefollowingcouldb

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Foranynumberswandz,w·z=w3z(8-w2).Ifbothzandw·zarepositivenumbers,

Ifxisapositivenumberand1/2thesquarerootofxisthecuberootofx,th

Thesquarerootof636isbetweenwhichsetofintegers?A、24and25B、25and26

Ifx,y,andzarepositiveintegersandx2=y2+z2,whichofthefollowingmustb

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行政管理的基本依据是（）。A.行政立法 B.行政权力 C.行政决策 D.

胸外心脏按压的有效指征为（）A.自主呼吸恢复 B.口唇转红 C.上肢收

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