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#1401 2010-05-05 01:42:47

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Sorry, I had that and typed it wrong!

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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#1402 2010-05-05 05:37:18

kr1305
Member
Registered: 2010-05-02
Posts: 7

Re: 10 second questions

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#1403 2010-05-06 00:57:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

The reply to 2104 (as per my calculation):

11+12+13+14+15.=65

#2105. solve for

2x+3y=11
4x+y=7

#.2106. Solve for

3x+y=8
x+y=4.

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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#1404 2010-05-06 01:06:09

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;


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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#1405 2010-05-07 01:20:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

#2107. Find the next term of the sequence: 2,8,18,32,____.

#2108. Find the next term of the sequence: 15, 34, 65, _____.

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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#1406 2010-05-07 02:05:42

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;

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

#1407 2010-05-08 02:28:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

Well done!

Reply to 2107 is the same as given. Reply to 2108 is 111, that is, (n^3+n)/2 as per my calculation.

#2109.  Find the simple interest on principle of $1000, at the rate of 10% per year for 5 years.

#2110. Find the simple interest on principle of $8000, at the rate of 8% per year for 8 years.

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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#1408 2010-05-08 02:42:52

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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#1409 2010-05-09 01:26:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The replies to 2109, 2110 are both correct. Good job!

#2111. Which term of the sequence 114,109,104,....... is the first negative term?

#2112. A cylinder, a cone and a hemisphere are of equal base and have the same height. What is the ratio of their volumes?

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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#1410 2010-05-09 05:22:47

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Good morning ganesh;

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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#1411 2010-05-10 01:38:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

For #2111, t[sub]24[/sub] first negative term.

#2113. In compound interest, P=1000, r=10% per year, n=2 years. A=?

#2114. In compound interest, P=5000, r=10% per year, n=3 years. A=?

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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#1412 2010-05-10 02:30:51

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;

How is the interest compounded. If it is compounded annually then.

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

#1413 2010-05-11 01:05:51

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The two problems, Viz. 2113 and 2114 are solved correctly.
Well done!


For the problems, the compound interest is compounded yearly.

#2115.1/1+1/2+1/3+1/4+1/5=?

#2116. 1/1 - 1/2 + 1/3 - 1/4 + 1/5 = ?

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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#1414 2010-05-11 02:34:47

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;

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

#1415 2010-05-12 01:18:25

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The replies to #2115 and #2116 are correct.

#2117. Find the Least Common Multiciple of 72 and 180 is found.

#2118. Find the Greatest Common Divisor of 360 and 900.

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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#1416 2010-05-12 01:22:09

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;

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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#1417 2010-05-13 01:32:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

The replies to #2117 and #2118 are correct, bobbym, Very well done!

#2119. What is the temperature in Centigrade given 100 degrees in Fahrenheit?

#2120. What is the temperature in Fahrenheit given 100 degrees in Centigrade?

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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#1418 2010-05-13 01:52:38

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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#1419 2010-05-14 01:14:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The replies to 2119 and 2120 are correct! Well done!

#2121.What is the binary of the decimal equivalent of 60?

#2122.What is the hexadecimal of the decimal equivalent of 132?

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

#1420 2010-05-14 01:18:24

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;


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

#1421 2010-05-15 01:15:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions to #2121 and #2122 are correct. Great job!

#2123. Find the dot product of two vectors.

#2124. Find the cross product of two vectors.

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

#1422 2010-05-15 01:59:29

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

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

#1423 2010-05-16 01:16:37

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solution to #2123 is correct. Well done!

#2125. Give the one point in Coordinate Geometry.

#2126. Find the distance of a point (3,5) from the origin.

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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#1424 2010-05-16 03:49:38

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;

For 2125 , can you please provide me with a little more info. What is the 1 point, do you mean (1,1)?

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

#1425 2010-05-17 01:04:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solution to #2126 is correct. Good work!

For #2125,
y-y1=m(x-x1) where m is the slope.
The one point is (x1,y1).

#2127. sin(A+B) = ?

#2128. sin(A-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.

Offline

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