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#7101 2016-10-02 00:00:52

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.

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#7102 2016-10-02 17:45:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5974 is correct. Neat work, bobbym!

#5975. Find the sum of all natural numbers between 100 and 304 which are divisible by 3 or 5.


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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#7103 2016-10-02 20:21:17

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

#7104 2016-10-03 17:07:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5975 is correct. Good work, bobbym!

#5976. Find the perimeter of a triangle with vertices (0,4), (0,0), and (3,0).


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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#7105 2016-10-03 20:14:39

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

#7106 2016-10-04 18:15:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5976 is correct. Good work, bobbym!

#5977. The measure of an arc of a circle whose radius is 6 cm is 60 degrees. Find the area of the minor sector. (use pi = 3.14)


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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#7107 2016-10-04 19:44:04

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

#7108 2016-10-05 19:32:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5977 is correct. Good work, bobbym!

#5978. A horse is tethered for grazing inside a square field 12 m long and is tethered to one corner by a rope 8 m long. Find the area it can graze.


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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#7109 2016-10-05 19:59:13

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

#7110 2016-10-06 17:32:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5978 is correct. Excellent, bobbym!

#5979. The area enclosed between the two concentric circles is 346.5 square centimeters. The circumference of the inner circle is 88 cm. Find the radius of the outer circle.


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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#7111 2016-10-06 20:46:28

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

#7112 2016-10-10 17:42:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5979 is correct. Neat work, bobbym!

#5980. The wheel of a cart is making 5 revolutions per second. If the diameter of the wheel is 84 cm, find its speed (approximately) in km/hour.


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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#7113 2016-10-10 17:57:49

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

#7114 2016-10-11 17:10:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5980 is correct. Good work, bobbym!

#5981. Four equal circles each of radius 14 cm touch one another. Find the area between them.


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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#7115 2016-10-11 21:58:56

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

#7116 2016-10-12 16:25:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

#5982. Find the sum of all 2 digit odd natural numbers.


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.

Offline

#7117 2016-10-12 16:53:45

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

#7118 2016-10-13 17:15:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5982 is correct. Excellent, bobbym!

#5983. The sum of integers from 1 to 100 which are not divisible by 3 or 5 is ____________.


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.

Offline

#7119 2016-10-13 19:19:18

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

#7120 2016-10-14 20:15:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solution #5983 is correct. Neat work, bobbym!

#5984. Solve for x:


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.

Offline

#7121 2016-10-14 20:50:10

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

#7122 2016-10-15 22:00:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

The solutions in #5984 are correct. Neat work, bobbym!

#5985. Solve:


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.

Offline

#7123 2016-10-15 22:31:33

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

#7124 2016-10-16 01:01:43

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

Another typo. The corrected version: #5985.


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.

Offline

#7125 2016-10-17 00:04:39

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi;

#5986. Solve:


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.

Offline

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