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#7226 2016-11-25 07:42:53

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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#7227 2016-11-25 18:59:12

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6039 is correct. Neat work, bobbym!

#6040. If

are the zeroes of the cubic polynomial
find


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7228 2016-11-25 21:00:13

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

#7229 2016-11-26 20:27:54

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6040 is correct. Excellent, bobbym!

#6041. If

are the zeroes of the quadratic polynomial
then find


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7230 2016-11-26 23:05:33

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

#7231 2016-11-27 18:53:16

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6041 is correct. Excellent, bobbym!

#6042. If

are the zeroes of quadratic polynomial
find


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7232 2016-11-27 20:34:29

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

#7233 2016-12-19 23:23:53

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6042 is correct. Brilliant, bobbym!

If

are the zeroes of the polynomial
, find the value of

#6043.

.

#6044.

.

#6045.

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7234 2016-12-20 03:24:58

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

#7235 2016-12-20 18:18:58

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solutions #6043, #6044, and #6045 are correct. Splendid, bobbym!

#6046. Find the value of tan35°.tan40°.tan45°.tan50°.tan55°.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7236 2016-12-21 01:48:47

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.

Offline

#7237 2016-12-21 16:56:41

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6046 is correct. Good work, bobbym!

#6047. Find the value of p for which the polynomial

is exactly divisible by (x - 2).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7238 2016-12-21 17:15:07

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

#7239 2016-12-22 18:13:53

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6047 is correct. Marvelous, bobbym!

#6048. If the cost of 3 chairs and 1 table is $900 and that of 5 chairs and 3 tables is $2100, find the cost of 4 chairs and 1 table.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7240 2016-12-22 20:42:37

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

#7241 2016-12-23 17:41:57

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6048 is correct. Neat work, bobbym!

#6049. If (1,2), (4,y), and (x,6), and (3,5) are the vertices of a parallelogram taken in order, find x and y.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7242 2016-12-23 18:30:56

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

#7243 2016-12-25 17:42:01

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6049 is correct. Neat work, bobbym!

#6050. In a family of 3 children, find the probability of getting at least one boy.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7244 2016-12-25 20:40:32

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

#7245 2016-12-26 17:27:45

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6050 is correct. Neat work, bobbym!

#6051. One card is drawn from a pack of 52 playing cards. What is the probability of drawn card to be neither a king nor a queen?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7246 2016-12-26 18:10:50

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

#7247 2016-12-27 19:19:46

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6051 is correct. Neat work, bobbym!

#6052. The number of solid spherical beads each of radius 5 mm can be made out of a solid rectangular block whose dimensions are 15 cm x 11 cm x 8 cm are _________.
a) 2500
b) 2510
c) 2520
d) 2550


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7248 2016-12-28 07:52:52

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

#7249 2016-12-28 17:19:19

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,087

Re: 10 second questions

Hi;

The solution #6052 is correct. Neat work, bobbym!

#6053. Solve for x and y:
ax + by - a + b = 0,
bx - ay - a - b = 0.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7250 2016-12-28 22:17:46

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

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