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#151 2015-02-04 18:31:06

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

Re: Compute the solution:

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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#152 2015-02-04 20:10:43

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solution #142 is correct. Excellent!

143. In an Arithmetic Progression, 5 times the fifth term is equal to 7 times the seventh term. Find the 12th term.


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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#153 2015-02-05 06:42:36

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

Re: Compute the solution:

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

#154 2015-02-05 16:19:40

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solution 143 is correct. Excellent!

144. Find the area  of the quadrilateral formed by the points (-4,5), (0,7), (5,-5), and (-4,-2).

145. Calculate the Standard Deviation of the following data:

38, 40, 34, 31, 28, 26, 34.


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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#155 2015-02-05 19:43:31

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

Re: Compute the solution:

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

#156 2015-02-06 23:53:22

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solutions 144 and 145 are correct. Brilliant!

146. Find the square root of the polynomial:-

.


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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#157 2015-02-07 06:05:00

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

Re: Compute the solution:

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

#158 2015-02-07 16:16:06

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solution 146 is correct. Excellent!

147. A vertical tree is broken by the wind. The top of the tree touches the ground and makes an angle 30° with it. If the top of the tree touches the ground 30 meters away from its foot, then find the actual height of the tree.

148. Using clay, a student made solid right circular cone of height 48 centimeters and base radius 12 centimeters. Another student reshapes it in the form of a solid sphere. Find the radius of the sphere.


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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#159 2015-02-08 16:07:07

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi,

149. The base of a triangle is 4 centimeters longer than its altitude. If the area of the triangle  is 48 square centimeters, then find the base and altitude.

150. Factorize the polynomial :


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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#160 2015-02-08 16:22:19

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

Re: Compute the solution:

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

#161 2015-02-09 18:08:15

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solutions 149 and 150 are correct. Marvelous!

151. Find the area of a triangle whose three sides are having the equations x+y = 2, x-y = 0, and x+2y-6 = 0.

152. The line joining the points A(-2,3), and B(a,5) is parallel to the line joining the points C(0,5), and D(-2,1). Find the value of 'a'.


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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#162 2015-02-09 18:21:05

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

Re: Compute the solution:

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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#163 2015-02-09 19:37:06

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solution 151 is correct. Neat job!

153. Find the Standard Deviation of the first n natural numbers.


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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#164 2015-02-09 20:29:08

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

Re: Compute the solution:

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

#165 2015-02-10 00:58:39

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solution #153 is perfect. Brilliant!

154. If the circumference of the base of a solid right circular cone is 236 centimeters and its slant height is 12 centimeters, find its curved surface area.

155. Find the volume of a sphere-shaped metallic shot-put having a diameter of 8.4 entimeters.

.


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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#166 2015-02-10 11:51:09

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

Re: Compute the solution:

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

#167 2015-02-10 15:49:31

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solutions 154 and 155 are correct. Excellent!

156. The largest of 50 measurements is 3.84 kilograms. If the range is 0.46 kilogram, find the smallest measurement.

157. A car left 30 minutes later than the scheduled time. In order to reach its destination 150 kilometers in time, it has to increase its speed by 25 kilometers per hour from its usual speed. Find its usual speed in kilometers per hour.


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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#168 2015-02-10 18:00:23

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

Re: Compute the solution:

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

#169 2015-02-11 00:24:30

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym,

The solution 157 is correct.brilliant!

158. Find a quadratic equation with zeros at

159. If the area of a  ΔABC is 68 square units and the vertices are A(6,7), B(-4,1), and C(a,-9) taken in order, then find the value of 'a'.


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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#170 2015-02-11 02:27:43

Olinguito
Member
Registered: 2014-08-12
Posts: 649

Re: Compute the solution:


Bassaricyon neblina

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#171 2015-02-11 18:10:41

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

Re: Compute the solution:

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

#172 2015-02-11 21:23:56

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi Olinguito and bobbym,

The solutions 158 (Olinguito) and 159 (bobbym) are correct. Excellent!

160. A by f height 5 feet away from the pillar of distance 100 feet saw the top of the pillar with angle of elevation 45°. Find the height of the pillar.

161. Volume of a solid cylinder is 62.37 cubic centimeters. Find the radius if its height is 4.5 centimeters.


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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#173 2015-02-12 09:45:01

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

Re: Compute the solution:

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

#174 2015-02-12 16:19:19

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,305

Re: Compute the solution:

Hi bobbym.

160. Edited. A boy of height 5 feet away from the pillar of distance 100 feet saw the top of the pillar with angle of elevation 45°. Find the height of the pillar.

162.  A quadratic polynomial is divided by by (x-2) and (x+1) leave the remainders 11 and 1 respectively, find the polynomial.


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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#175 2015-02-12 18:24:11

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

Re: Compute the solution:

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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