Search found 14 matches
If n = t^3 for some positive integer
If n = t^3 for some positive integer t and if 8, 9 and 10 are each factors of n, which of the following must be a factor of n?
A. 16
B. 81
C. 175
D. 225
E. 275
- by ritumaheshwari02
Sun Dec 02, 2012 5:36 am- Forum: Problem Solving
- Topic: If n = t^3 for some positive integer
- Replies: 11
- Views: 3649
In anticipation of a flood
In anticipation of a flood, a city engineer estimated that it would take 15 hours for a crew of 40 workers to build a dike 20 meters long around one of the city’s wells. Using the same estimate of worker-hours per meter of dike, how many workers would be needed to build a similar dike 25 meters lo...
- by ritumaheshwari02
Thu Nov 29, 2012 9:03 am- Forum: Problem Solving
- Topic: In anticipation of a flood
- Replies: 2
- Views: 1330
Operating alone at their respective constant rates
Operating alone at their respective constant rates, machine A produces 1,000 cans each hour and machine B produces 700 cans each hour. If the two machines together must produce 12,000 cans within a certain 8-hour period, what is the least number of hours that machine A must operate? A. 4.8 B. 5.2 C....
- by ritumaheshwari02
Thu Nov 29, 2012 8:54 am- Forum: Problem Solving
- Topic: Operating alone at their respective constant rates
- Replies: 2
- Views: 932
The monthly profit
The monthly profit, P(x), in dollars, from producing and selling x units of a particular product is given by P(x) = -(x - b)(x - c), where b and c are constants. If P(5) = P(95) = 0, what is the value of P(50) ?
A. $2,025
B. $2,475
C. $2,500
D. $6,525
E. $9,025
- by ritumaheshwari02
Thu Nov 29, 2012 8:52 am- Forum: Problem Solving
- Topic: The monthly profit
- Replies: 1
- Views: 1044
Kate, Leonard, and 3 other schoolchildren
Kate, Leonard, and 3 other schoolchildren are to be seated in a row of 5 seats facing their class. For how many of the possible arrangements of the 5 children in the 5 seats will either Kate or Leonard be seated in the middle seat?
A. 5
B. 10
C. 25
D. 32
E. 48
- by ritumaheshwari02
Thu Nov 29, 2012 8:46 am- Forum: Problem Solving
- Topic: Kate, Leonard, and 3 other schoolchildren
- Replies: 4
- Views: 1189
David used part of $100,000 to purchase a house
David used part of $100,000 to purchase a house. Of the remaining portion, he invested 1/3 of it at 4 percent simple annual interest and 2/3 of it at 6 percent simple annual interest. If after a year the income from the two investments totaled $320, what was the purchase price of the house? A. $96,0...
- by ritumaheshwari02
Thu Nov 29, 2012 8:40 am- Forum: Problem Solving
- Topic: David used part of $100,000 to purchase a house
- Replies: 4
- Views: 3853
Triangle T is in the (x,y) coordinate plane
Triangle T is in the (x,y) coordinate plane. What is the area, in square coordinate units, of triangle T? (1) Triangle T is an isosceles right triangle. (2) Triangle T has 1 side that is longer than each of the other 2 sides, and the midpoints of the other 2 sides are (5,6) and (5,3). A. Statement (...
- by ritumaheshwari02
Thu Nov 29, 2012 8:36 am- Forum: Problem Solving
- Topic: Triangle T is in the (x,y) coordinate plane
- Replies: 2
- Views: 896
How many of the factors of 210 are odd numbers
How many of the factors of 210 are odd numbers greater than 1?
A. 3
B. 4
C. 5
D. 6
E. 7
- by ritumaheshwari02
Thu Nov 29, 2012 8:27 am- Forum: Problem Solving
- Topic: How many of the factors of 210 are odd numbers
- Replies: 2
- Views: 4771
When new scientific tropes confronted
When new scientific tropes confronted the experience of alienation, the theory of atomism—the idea that all matter is composed of tiny particles—emerged as a leading cultural concept; in this idea our selves and our surroundings only offering the appearance of wholeness, beneath which there lies...
- by ritumaheshwari02
Sun Nov 25, 2012 8:20 pm- Forum: Sentence Correction
- Topic: When new scientific tropes confronted
- Replies: 4
- Views: 1104
The Chinatowns
The Chinatowns that were to develop as an increase in numbers of Chinese workers came to northern California and Hawaii in the rnid-1800s expanded the scale of Asian American communities. A. were to develop as an increase in B. were developing with the C. developed as increases in D. developed as in...
- by ritumaheshwari02
Sun Nov 25, 2012 8:17 pm- Forum: Sentence Correction
- Topic: The Chinatowns
- Replies: 1
- Views: 852
After returning from several years abroad
After returning from several years abroad, Martin has to face many changes: friends who were disinterested students are now corporate figures, as well as friends from large cities having gone on to start small communal farms in surrounding rural areas. A. changes: friends who were disinterested stud...
- by ritumaheshwari02
Sun Nov 25, 2012 9:47 am- Forum: Sentence Correction
- Topic: After returning from several years abroad
- Replies: 1
- Views: 819
Although moss requires moisture
Although moss requires moisture, said Christine Cook, who lectures at the New York Botanical Garden, a moss lawn that needs 1 percent or less than the estimated ten thousand gallons of municipal water that a suburban turf grass lawn receives annually. A. a moss lawn that needs 1 percent or less than...
- by ritumaheshwari02
Sun Nov 25, 2012 9:44 am- Forum: Sentence Correction
- Topic: Although moss requires moisture
- Replies: 0
- Views: 686
Mathilde Blind's epic poem
Mathilde Blind's epic poem The Ascent of Man (1889) is not as well-informed as the evolutionary poems of Constance Naden, nor as witty as the poems of May Kendall, but it conveys a conviction that the so-called feminine sphere should include both the world of poetry and of science, in an argument th...
- by ritumaheshwari02
Sun Nov 25, 2012 1:08 am- Forum: Sentence Correction
- Topic: Mathilde Blind's epic poem
- Replies: 4
- Views: 1373
United States
United States manufactures cut production sharply in January 2001, and, as a result, one index of their activity has dropped to a level they have not reached since the recession of then years earlier. A. and, as a result, one index of their activity has dropped to a level they have not reached B. wi...
- by ritumaheshwari02
Sat Nov 24, 2012 4:26 am- Forum: Sentence Correction
- Topic: United States
- Replies: 1
- Views: 897