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Mathematics corner
XSK
#61 Posted : Tuesday, November 04, 2014 11:54:58 AM
Rank: Veteran

Joined: 12/8/2009
Posts: 975
Location: Nairobi
MaichBlack wrote:
murchr wrote:
Let Cat be x kg, dog y kg and rabbit z kg. i) x + z = 10kg ii) y + z = 20kg iii) x + y = 24kg (ii) - (i ) -> y - x = 10 (equation iv) (iv) + (iii) -> 2y = 34 -> y = 17kg Replace y in equation (ii) with 17 17 + z = 20 -> z = 3kg. Replace z with 3 in equation (i) x + 3 = 10 -> x = 7kg Cat weighs 7kgs; Dog Weighs 17kgs; Rabbit weighs 3kgs. Total (picture 4) = 27kgs
Its just easier to add your three equations together x+y =10 x + z=20 y+z=24 By adding the three equations the left hand side will be 2x+2y+2z while the Right hand side will be = 10+20+24 divide each side by 2 then you are left with x+y+z = 27 smile
You will know that you have arrived when money and time are not mutually exclusive "events" in you life!
Ngong
#62 Posted : Tuesday, November 04, 2014 4:00:59 PM
Rank: Veteran

Joined: 11/17/2012
Posts: 1,461
Location: Ngong Forest
XSK wrote:
MaichBlack wrote:
murchr wrote:
Let Cat be x kg, dog y kg and rabbit z kg. i) x + z = 10kg ii) y + z = 20kg iii) x + y = 24kg (ii) - (i ) -> y - x = 10 (equation iv) (iv) + (iii) -> 2y = 34 -> y = 17kg Replace y in equation (ii) with 17 17 + z = 20 -> z = 3kg. Replace z with 3 in equation (i) x + 3 = 10 -> x = 7kg Cat weighs 7kgs; Dog Weighs 17kgs; Rabbit weighs 3kgs. Total (picture 4) = 27kgs
Its just easier to add your three equations together x+y =10 x + z=20 y+z=24 By adding the three equations the left hand side will be 2x+2y+2z while the Right hand side will be = 10+20+24 divide each side by 2 then you are left with x+y+z = 27 smile
But to show one is not a novice you go further to show individual weights
Angelica _ann
#63 Posted : Tuesday, November 04, 2014 4:03:38 PM
Rank: Elder

Joined: 12/7/2012
Posts: 11,937
Impunity wrote:
washiku wrote:
BODMAS! smile
Mumelenga hii smile smile smile
In the business world, everyone is paid in two coins - cash and experience. Take the experience first; the cash will come later - H Geneen
MaichBlack
#64 Posted : Tuesday, November 04, 2014 7:43:59 PM
Rank: Elder

Joined: 7/22/2009
Posts: 7,910
Angelica _ann wrote:
Impunity wrote:
washiku wrote:
BODMAS! smile
Mumelenga hii smile smile smile
A) 16. Divide first then multiply. Finished!
Never count on making a good sale. Have the purchase price be so attractive that even a mediocre sale gives good returns.
Impunity
#65 Posted : Tuesday, November 04, 2014 8:22:19 PM
Rank: Elder

Joined: 3/2/2009
Posts: 26,331
Location: Masada
harrydre wrote:
Impunity wrote:
murchr wrote:
Artist and toilet cleaners like @washiku, @harrydre and @thimion cannot attempt this, their head is complex enough to handle this. Laughing out loudly Laughing out loudly Laughing out loudly Laughing out loudly
Impunity wrote:
ecstacy wrote:
Boris Boyka wrote:
ecstacy wrote:
Good expose tonight by Allan Namu and Moha on Jicho Pevu regarding that fake a$$ Pastor Kanyiri complete with shocking video. English re-run should be on during or after the 9PM KTN news. Not sure what is worse, the number of predators or the number of suckers??
Jesus turned water into wine, Kanyari turned potassium pamangamate into blood..
Laughing out loudly peeps who skipped chem classes literally paying dearly.
Kina @washiku, @harrydre and @simon kabuga. Laughing out loudly Laughing out loudly Laughing out loudly Laughing out loudly
What's the obsession with men kijana? Get a woman to keep you busy, it's a pity.
Men who cant solve a simple sum, its a pity you call yourselves men! Kwenda huko, bure kabisa, useless. Pray Pray Pray Pray
Portfolio: Sold You know you've made it when you get a parking space for your yatcht.
harrydre
#66 Posted : Tuesday, November 04, 2014 8:29:50 PM
Rank: Elder

Joined: 7/10/2008
Posts: 9,131
Location: Kanjo
Impunity wrote:
harrydre wrote:
Impunity wrote:
murchr wrote:
Artist and toilet cleaners like @washiku, @harrydre and @thimion cannot attempt this, their head is complex enough to handle this. Laughing out loudly Laughing out loudly Laughing out loudly Laughing out loudly
Impunity wrote:
ecstacy wrote:
Boris Boyka wrote:
ecstacy wrote:
Good expose tonight by Allan Namu and Moha on Jicho Pevu regarding that fake a$$ Pastor Kanyiri complete with shocking video. English re-run should be on during or after the 9PM KTN news. Not sure what is worse, the number of predators or the number of suckers??
Jesus turned water into wine, Kanyari turned potassium pamangamate into blood..
Laughing out loudly peeps who skipped chem classes literally paying dearly.
Kina @washiku, @harrydre and @simon kabuga. Laughing out loudly Laughing out loudly Laughing out loudly Laughing out loudly
What's the obsession with men kijana? Get a woman to keep you busy, it's a pity.
Men who cant solve a simple sum, its a pity you call yourselves men! Kwenda huko, bure kabisa, useless. Pray Pray Pray Pray
Laughing out loudly Laughing out loudly you barely know some of us to make some conclusions here. I don't need to solve anything for a welder. Maybe I can refer you to my former Math & Physics teacher and he can tell you all about me.
i.am.back!!!!
Impunity
#67 Posted : Tuesday, November 04, 2014 8:37:05 PM
Rank: Elder

Joined: 3/2/2009
Posts: 26,331
Location: Masada
MaichBlack wrote:
Angelica _ann wrote:
Impunity wrote:
washiku wrote:
BODMAS! smile
Mumelenga hii smile smile smile
A) 16. Divide first then multiply. Finished!
WRONG!!!!!!!! Bracket comes before Division! Shame on you Shame on you Shame on you Shame on you
Portfolio: Sold You know you've made it when you get a parking space for your yatcht.
kysse
#68 Posted : Tuesday, November 04, 2014 9:02:29 PM
Rank: Elder

Joined: 1/17/2013
Posts: 4,693
Location: Earth
Dear Washiku, I have a friend... who's in search of a job. Though slightly unstable due to his past usage of raw weed from such an early age,I strongly believe that he can succeed in a stable and secure environment if given the chance. I know that you hold a strong position of influence, so kindly advice if should forwad his half page cv for your perusal and evaluation. Thanks in advance. B.R Kessy.
washiku
#69 Posted : Tuesday, November 04, 2014 9:23:03 PM
Rank: Chief

Joined: 5/9/2007
Posts: 13,095
kysse wrote:
Dear Washiku, I have a friend... who's in search of a job. Though slightly unstable due to his past usage of raw weed from such an early age,I strongly believe that he can succeed in a stable and secure environment if given the chance. I know that you hold a strong position of influence, so kindly advice if should forwad his half page cv for your perusal and evaluation. Thanks in advance. B.R Kessy.
smile smile Tuna tu... is he Kenyan? Qualification? In fact we can refer him to Pastor Kanyonyo's church. Kuna vacancy huko.
MaichBlack
#70 Posted : Tuesday, November 04, 2014 9:31:13 PM
Rank: Elder

Joined: 7/22/2009
Posts: 7,910
Impunity wrote:
MaichBlack wrote:
Angelica _ann wrote:
Impunity wrote:
washiku wrote:
BODMAS! smile
Mumelenga hii smile smile smile
A) 16. Divide first then multiply. Finished!
WRONG!!!!!!!! Bracket comes before Division! Shame on you Shame on you Shame on you Shame on you
He he he!!! Kwisha!!! Wacha kuni-confuse. You work out what is inside the brackets first - but there is nothing to be worked out because it is already 4. Then you work out what is outside which is basically 16 ÷ 4 * 4. Ama 4(4) ya primary School ina interpretiwa aje siku hizi? I might be getting old!!!
Never count on making a good sale. Have the purchase price be so attractive that even a mediocre sale gives good returns.
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