[計量] 請教幾題計量題!!!
BB TEST1 P62
11:有一圓通過兩條線在圓內有一交點(圖)
the areas of the two shaded regions of the circle are equal
(A) the area of unshaded region A of the circle
(B) the area of unshaded region of the circle B
ANS:(D)
如果兩個陰影面積一樣的話不是交點就是圓心
所以以A和B會一樣大?
BB TEST4 P176
14:d > 0
(A)the totalinterest earned on d dollars invested for 3 months at 11 percent
simple annual interest
(B)(11d)/(3*100) dollars
BB TEST7 P.292
29:the volume of a cylindrical tank is directly proportional to the height
and the square of the radius of the tank. if a certain tank with a radius
of 10 centimeters has a volume of 20,000 cubic centimeters, what is the
volume in cubit centimeters, of a tank of the same height with a radius of
15 centimeters?
ANS:45000
BB TEST8 P.315
11:(A)the ratio of the lesser of two consecutive positive intergers to the
greater
(B)2/3
ANS:(D)
想請問A的論述the lesser of ...to the greater???
p.319
30:one-kth of a circular pie has been served. if the rest of the pie is divid
into n equal servings, then each of these servings is what fraction of the
whole pie?
ANS:(k-1)/nk
謝謝願意回答的數學高手!!
p.s.祝大家6G成功:)
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