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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