标题: 考完了, TOTAL 730 [转自我看机警] [打印本页] 作者: smart 时间: 2003-9-13 00:51 标题: 考完了, TOTAL 730 [转自我看机警]
9.12 长夜依然漫漫
考完了, TOTAL 730 .
JJ
AWA
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MATH:
1. two kinds of machines x and y , x costs p dollars for each set , y q dollars .
what is the total amount spent on 5 sets of x and 4 sets of y?
1) 4 sets of x and 3 sets of y cost 2180 dollars .
2) 10 sets of x and 3 sets of y cost 3250 dollars.
2. 5^k is a factor of the product of odd integers from 99 -199 , what is the greatest possible value of k ?
3. a bouquet consists of red and white carnations , randomly select two flowers , what is possibility of having one of each ?
1) the number of red carnations is equal to that of the white carnations
2) there are 6 red carnations in the bouquet.
4. when positive integer a is divided by another positive integer b , the quotient is 5 and remainder is 3 , which of the following could be the value of a ?
1 ) 13 2) 38 3) 57
5. line k and l intersect at point ( 16/5, 12/5 ) , what is the slope of line l
1) one of the angles formed at the intersection is 90
2) line k passes through the origin
6. is 1000 a factor of k ?
1) 2000 is a factor of 4k
2) 8 is a factor of k
7. if lm+4l=2, what is the value of m?
1) m<0
2) m^2 +8m + 12=0
8. is the total measure of interior angles in polygon p greater than 500 ?
1) the measure of one angle is 100
2) the polygon has more than 5 sides.
9. if x@y =xy -x+y , a@b=o, what is a in terms of b ?
10. f(y)=ky, k is a constant , is f(-5)>0?
1) f(-2) <0
2) f(-3)f(-4)>0
11 do jack and nancy together own a total of 10 pencils ?
1) jack owns more than twice the pencils owned by nancy
2) nancy owns less than 5 pencils .
12. are m and k consecutive numbers ?
1) m+k=3
2) m-k =1
13.x,y,z are three sides of a triangle , and x 2^(1/2) B (1/2)*3^(1/2)
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