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#5076 2014-08-08 03:28:47
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#5077 2014-08-08 23:45:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #5187 is correct. Excellent!
#5189. A square and an equilateral triangle have equal perimeters. If the diagonal of the square is 12√2 centimeters, then what is the area of the triangle?
#5190. If the side of an equilateral triangle is decreased by 20%, then its area is decreased by how much percent?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5078 2014-08-09 00:24:03
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5079 2014-08-09 12:05:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #5190 is correct. Excellent, bobbym!
#5191.If the height of a triangle is decreased by 40% and its base is increased by 40%, what will be the effect on its area?
#5192. If every side of a triangle is doubled, the area of the new triangle is K times the area of the old one. What is K equal to?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5080 2014-08-09 12:36:24
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5081 2014-08-10 15:34:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #5191 and #5192 are correct. Brilliant!
#5193. One side of a parallelogram is 18 centimeters and its distance from the opposite side is 8 centimeters. Find the area of the parallelogram.
#5194. A parallelogram has sides 30 centimeters and 14 centimeters and one of its diagonals is 40 centimeters long. Find its area.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5082 2014-08-10 18:03:32
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5083 2014-08-11 00:34:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #5193 and #5194 are correct. Brilliant, bobbym!
#5195. One diagonal of a parallelogram is 70 centimeters and the perpendicular distance of this diagonal from either of the outlying vertices is 27 centimeters. Find the area of the parallelogram in square centimeters.
#5196. A triangle and a parallelogram are constructed on the same base such that their areas are equal. If the altitude of the parallelogram is 100 meters, then find the altitude of the triangle.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5084 2014-08-11 03:39:03
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5085 2014-08-12 00:49:57
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #5196 is perfect. Neat work, bobbym!
#5197. The area of a rhombus is 150 square centimeters. The length of one of its diagonals is 10 centimeters.Find the length of the other diagonal.
#5198. One of the diagonals of a rhombus is double the other diagonal. Its area is 25 square centimeters. Find the sum of the diagonals.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5086 2014-08-12 02:48:56
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5087 2014-08-13 01:24:18
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #5197 and #5198 are correct. Marvelous, bobbym!
#5199. The perimeter of a rhombus is 56 meters and its height is 5 meters. Find its area.
#5200. The diagonals of a rhombus are 24 centimeters and 10 centimeters. What are the area and the perimeter of the rhombus respectively?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5088 2014-08-13 01:59:52
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5089 2014-08-14 00:45:42
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #5199 and #5200 are correct. Fantastic, bobbym!
#5201. Each side of a rhombus is 26 centimeters and one of this diagonals is 48 centimeters. Find the area of the rhombus.
#5202. The length of one diagonal of a rhombus is 80% of the other diagonal. The area of the rhombus is how many times the square of the length of the other diagonal?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5090 2014-08-14 01:44:16
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5091 2014-08-15 00:48:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #5201 and #5202 are correct. Excellent!
#5203. If a square and a rhombus stand on the same base, then the ratio of the areas of the square and rhombus is
(1) greater than 1
(2) equal to 1
(c) equal to half
(d) equal to 1/4
#5204. The two parallel sides of a trapezium are 1.5 meters and 2.5 meters respectively. If the perpendicular distance between them is 6.5 meters, find the area of the trapezium.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5092 2014-08-16 00:52:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
#5205. The area of a circle of radius 5 is numerically what percent of its circumference?
#5206. A man runs round a circular field of radius 50 meters at the speed of 12 kilometers per hour. What is the time taken (approximately) by the man to take 20 rounds of the field?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5093 2014-08-16 15:54:59
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
You have missed problems #5203, #5204, #5205 and #5206!
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5094 2014-08-16 19:45:46
- KCA
- Member
- Registered: 2014-08-01
- Posts: 6
Re: 10 second questions
Hi,
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#5095 2014-08-16 20:41:25
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5096 2014-08-17 00:40:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi KCA and bobbym,
KCA : The solution #5204 is perfect. Good work!
The solutions #5203, #5204, #5205 and #5206 are correct. Fantastic performance, bobbym!
#5207. Find the circumference of a circle whose area is 24.64 square meters.
#5208. If the circumference and area of a circle are numerically equal, then what is the diameter equal to?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5097 2014-08-17 01:16:22
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#5098 2014-08-18 00:41:24
- KCA
- Member
- Registered: 2014-08-01
- Posts: 6
Re: 10 second questions
Hi Ganesh,
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#5099 2014-08-18 00:44:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #5207 and #5208 are correct. Excellent, bobbym!
#5209. The difference between the circumference and the radius of a circle is 37 centimeters. Find the area of the circle.
#5210. The sum of the areas of two circles A and B is equal to the area of a third circle C whose diameter is 30 centimeters. If the diameter of circle A is 18 centimeters, then find the radius of circle B.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5100 2014-08-18 01:01:22
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline