If it took Carol 1/2 hour to cycle from his house to the library yesterday, was the distance that he cycled greater then 6 miles? ( 1mile=5,280feet)
(1) The average speed at which Carlos cycled from his house to the library yesterday was greater than 16 feet per second.
(2) The average speed at which Carlos cycled from his house to the library yesterday was less than 18 feet per second
解答:
点赞0
阅读203490
解答:
sysadmin老师
提问:
Of the 12 temporary employees in a certain company, 4 will be hired as permanent employees. If 5 of the 12 temporary employees are women, how many of the possible groups of 4 employees consist of 3 women and one man?
A. 22
B. 35
C. 56
D. 70
E. 105
解答:
点赞0
阅读203407
解答:
sysadmin老师
提问:
if x is positive, is x >3
1. (x-1)^2 >4
2. (x-2)^2 >9
解答:
点赞0
阅读203422
解答:
sysadmin老师
提问:
if the average of the consecutive even integers a,b, and c is less than 13a, which of the following best describes the value of a?
答案: a is positive
为什么呢?