Saturday
December 20, 2014

Posts by Dottie


Total # Posts: 19

Algebra
Solve by factoring a^2-6a+9=0
July 31, 2013

History 203
What is the purpose of studying American history? What do we gain from doing so?
March 26, 2013

Math Ratios
A wire is bent into a rectangle. The ratio of the length of the rectangle to its breadth is 9:5. If the total length of the wire is 84 cm., find the area of the rectangle formed by the wire.
September 22, 2012

Math Ratios
The ratio of the number of marbles Zali had to the number of marbles Muthu had was 3:4. Muthu gave half of his marbles to Zali. What was the new ratio of the number of marbles Zali had to the number of marbles Muthu had?
September 22, 2012

Math Ratios
A sum of money is shared between Alice, Gayah and Sita in the ratio 3:2:4. If Gayah receives $4,287.50, how much money do Alice and Sita receive altogether.
September 22, 2012

Ratio and Proportions
Salina had some local and foreign stamps. The ratio of the number of local stamps to the number of foreign stamps was 3:4. She bought 21 more local stamps and the ratio became 9:8. a. How many foreign stamps did Salina have? b. How many local stamps did Salina have in the end?
September 20, 2012

Math Ratios
Julian, Majid and Pillay had the same number of rubber bands. During a game, Julian lost 12 rubber bands to Pillay and Majid lost 20 rubber bands to Pillay. The ratio of Julian's rubber bands to Majid's rubber bands became 4:3. How many rubber bands did each boy have ...
September 20, 2012

Math Fractions
Faridah had 2 1/2 kg of sugar. She used 1/8 kg for making cookies and 1 3/4 kg for making cakes. She used 1/2 of the remainder for making syrup. How much sugar had Faridah left?
September 15, 2012

Math Ratios
The ration of the length of a rectangle to its breadth is 9:4. If the perimeter of the rectangle is 104 cm. find the area of the rectangle.
September 13, 2012

Math Ratios
The ratio of the length of a parallelogram to that of its breadth is 7:4. The length is longer than the breadth by 746.1 cm. Find the perimeter of the parallelogram
September 13, 2012

Math Ratios
The ratio of the number of pupils in Class A to the number of pupils in Class B is 2:5. The ratio of the pupils in Class B to the number of pupils in Class C is 10:3. a. Find the ratio of the number of pupils in Class A to the number of pupils in Class B to the number of ...
September 13, 2012

Math Ratios
Peter & Sam won some money in a competition. Peter won 5 times as much money as Sam. Sam won $4200 less than Peter. a. What was the ration of the amount of money Peter won to the amount of money Sam won to the total amount of money both boys won? b. What fraction of the total ...
September 13, 2012

Math Ratio and Fractions
The ratio of the length of Pole A to the length of Pole B is 4:5. a. find the ratio of the length of pole A to the total length of the two poles. b. what fraction of the length of pole A is the length of pole B. c. what fraction of the length of pole B is the length of pole A...
September 11, 2012

Math
Steven bought a piece of meat and cut it into three pieces. The mass of the first piece of meat was 5/8 of the mass of the second piece of meat. The mass of the second piece of meat was 4/7 of the mass of the third piece of meat. a. Find the ratio of the mass of the first ...
September 11, 2012

Math Fractions
Mr Tan earns $4200 per month. His wife earns 6/7 as much as Mr. Tan. Mr. Tan saves 1/5 of his salary and Mrs. Tan saves 1/8 of her salary. How much do they save together per month?
September 10, 2012

Math
Find the value of 186+135/9-86x2.
September 10, 2012

Math Ratios
Mary, Jane and Sally shared 756 sweets in the ration of 6:3:5 respectively. How many sweets did Jane get?
September 8, 2012

statistics Urgent please!!!!!!!!!!!!!!!!!!!!!
A sample of n = 5 scores has a mean of M = 12. What is ‡” x for this sample?
May 28, 2011

statistics
A sample of n = 5 scores has a mean of M = 12. What is ‡” x for this sample?
May 28, 2011

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