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modify delete 13246 - from moïse , 20 yrs (cote d'ivoire) - 2009-11-14 >> NEW
Mathematics - "donne moi la solution"

un père a 40 ans;son fils a 30 ans de moins.
quel est le nombre d'années pour que l'age du père soit le triple de l'age du fils?


modify delete 13244 - from moïse , 20 yrs (cote d"ivoire) - 2009-11-14 >> NEW
Mathematics - "donne la reponse"

resoudre l'équation E:A2-B2=45


modify delete 13194 - from nicole , 8 yrs (singapore) - 2009-11-03
Mathematics - "need help in mathematics"

A + B = 546
A-B = ?
what is the greatest possible answer if the answer is between 100 and 500.


13194 -
modify delete 13195 - Reply from nicole , 8 yrs (singapore) - 2009-11-03

A + B = 546
A-B = ?
what is the greatest possible answer if the answer is between 100 and 500.

modify delete 13089 - from Aaryanna , 9 yrs (phoenix arizona) - 2009-10-08
Mathematics - "math"

jose read5 pagesof his book every seven days . anna read 2 pages ofher book every 7 days



how many total pages did jose and anna read altogerther?


13089 -
modify delete 13103 - Reply from Ada , 13 yrs (Poland) - 2009-10-12

This answer is 49 pages.

modify delete 13086 - from sarah , 16 yrs (tunisie) - 2009-10-01
Mathematics - "aider moi"

pour l'exercice:trois vecteurs u;v et w
2u+v-w=0 ou vecteur nulle
u-v+3w=0 ou vecteur nulle
montre que u;v et w sont deux a deux colinéaires


13086 -
modify delete 13232 - Reply from caitlyn , 12 yrs (United Kingdom) - 2009-11-10

Sammie the answer is 91051106.

modify delete 13064 - from Sammie , 10 yrs (usa) - 2009-09-26
Mathematics - "hey"

the name is sammie sup im 10 got a problem with my name and age what is 9010+91042096


modify delete 13000 - from Astrid , 8 yrs (UK) - 2009-09-01
Mathematics - "I can help you with maths"

I can help you with maths!!!!!


13000 -
modify delete 13082 - Reply from kool , 15 yrs (uganda) - 2009-09-30

am kool from uganda in africa pliz ilike u to help with math.bye

13000 -
modify delete 13028 - Reply from Ziyaad , 23 yrs (Mauritius) - 2009-09-13

Hello,

I am in my final year at university doing a degree in Maths

I think i can help you

I can speak and write french and english fluently

13000 -
modify delete 13020 - Reply from Katie , 9 yrs (Florida) - 2009-09-10

aPlease help me with my math!!!!!!! I speak english and a little spanish.

13000 -
modify delete 13010 - Reply from Destiny , 11 yrs (USA) - 2009-09-07

hi i need help with my division i suck at division,i have a little brother who doesn't know eny better but he is still learning,i also have a little sister she knowes better butnever lisions not saying that i don't because i don't.



p.s. Do you eny brothers or sisters?

modify delete 12993 - from magnani , 18 yrs (togo) - 2009-08-29
Mathematics - "amitier"

j'aime correspondre avec le monde entier pr changer ideeS .votres ami togolais MAGNANI


modify delete 12980 - from Sheridan , 13 yrs (Australia) - 2009-08-27
Mathematics - "I can help"

If anyone needs help with matyhs as long as you speak english i can help. I also want to make friends on the way


12980 -
modify delete 13095 - Reply from orpah , 14 yrs (kenya) - 2009-10-10

wan6t some help.could you give me your email so that we can chat

modify delete 12975 - from Abigail , 16 yrs (mexico) - 2009-08-26
Mathematics - "HELP!!!!!"

alguuien me peude ayudar con la notacion cientifica..cuando 2x10 ala 3 + 3x10 ala 3....? como se ahce esoo!! please somebody help!!! i really need it!!!!!


modify delete 12961 - from raeisha , 11 yrs (saint-martin) - 2009-08-20
Mathematics - "need help in math"

in the numeral 27965 what is the digit has the greatest value and also what is smallest number that can bemade using these digits 4278. what is the largest number that can be made usi these digit 8695 how many hundreds make one thousands


modify delete 12960 - from raeisha , 11 yrs (saint-martin) - 2009-08-20
Mathematics - "math"

in the numeral 27965 which digit has the gretest value


modify delete 12948 - from ben , 14 yrs (Australia) - 2009-08-17
Mathematics - "Box and whisker plot"

How do you do this whisker and plot with teh following numbers
12,15,15,12,16,12,11,12,13..........I don't get how to do it when a number repeats itself


modify delete 12938 - from Angelheart (213) - 2009-08-17
Mathematics - "need help"

slt tt le monde;je vais passer mon bac en maths cet année et j'ai besoin d'aide!!!!!!!


12938 -
modify delete 13029 - Reply from Ziyaad , 23 yrs (Mauritius) - 2009-09-13

Bonjour ,

Je suis en Bac +3 ( dans mon pays, c'est le dernier annee universitaire qui est equivalent a bac +3)

je crois que je peut t'aider.

modify delete 12918 - from lydia , 11 yrs (united kingdom) - 2009-08-10
Mathematics - "maths"

hi my name is lydia and if you need help with your maths just email me coz i konw it is hard


modify delete 12903 - from Fanny , 14 yrs (France) - 2009-08-04
Mathematics - "aide pour les maths"

Salut, j'ai 14 ans et je suis très douée en maths!! Si vous avez besoin d'aide, envoyer moi un mails!!!


12903 -
modify delete 12907 - Reply from Laure , 11 yrs (france) - 2009-08-06

Stp tu peut m'aider j'ai des probleme en maths s'est les franction

modify delete 12848 - from zhu , 17 yrs (china) - 2009-07-15
Mathematics - "who wanna try chinese Mathematics"

who wanna try chinese Mathematics?
haha
maybe it will drive you crazy
if you wanna have a try
plz e-mail me


12848 -
modify delete 12997 - Reply from nina , 15 yrs (croatia) - 2009-08-30

I would like to try! =))

12848 -
modify delete 12932 - Reply from AngelHeart , 18 yrs (Algérie) - 2009-08-16

i lov maths;I wanna try your maths and see how much they make me mor crazy of them lol!!!

12848 -
modify delete 12904 - Reply from Emily (USA) - 2009-08-05

Don't let math bring you down. If you need help, talk to a teacher.

modify delete 12847 - from rahell , 13 yrs (usa) - 2009-07-14
Mathematics - "my math problem"

algebra is so hard because nobody can unerstand it except the teachers can you help me please.


12847 -
modify delete 12970 - Reply from LUIS (ARZABE) - 2009-08-24

THAT'S VERY EASY...YOU'RE SO SILLY

12847 -
modify delete 12893 - Reply from nada , 14 yrs (tunisie) - 2009-07-29

hey
algebra is not difficult at all. i find it interesting and exciting. just understand well your lesson and you'll see. if you wanna tell me about the problem that you may have in algebra i can help
bye

12847 -
modify delete 12885 - Reply from demba , 23 yrs (Senegal) - 2009-07-27

CONTACT ME IN demsongom2010@yahoo.fr

12847 -
modify delete 12874 - Reply from demba , 23 yrs (Senegal) - 2009-07-21

IF YOU HAVE PROBLEM IN MATHEMATIC YOU CONTACT ME .BUT I AM A STUDENT IN UNIVERSITY;

12847 -
modify delete 12856 - Reply from lindelwa , 14 yrs (swaziland) - 2009-07-16

i can help you but i need your help in locus

12847 -
modify delete 12849 - Reply from JungHyun , 17 yrs (Korea) - 2009-07-15

I can help you that problem

I belive I can teach for you about algebra

If you problem studying algebra

Just say help to me ~!

modify delete 12828 - from julia , 14 yrs (AZERBAIJAN) - 2009-07-08
Mathematics - "hi i want to teach mathematics"

hi i can teach you mathemtics.but i wont you help me to improve english language.and i can tech you azerbaijan language.whould you like?


modify delete 12750 - from sahil , 10 yrs (india) - 2009-06-08
Mathematics - "maths"

i love maths
does anyone else
i get full marks 98/100 evrytime


12750 -
modify delete 12854 - Reply from LINDELWA , 14 yrs (SWAZILAND) - 2009-07-16

please can you help me with something in maths

12750 -
modify delete 12772 - Reply from Sarah , 11 yrs (wa) - 2009-06-16

I'm horrible at math . i get a 6 out of 31.

modify delete 12724 - from fabrice , 19 yrs (rdc) - 2009-06-01
Mathematics - "aidez moi"

est ce une fonction reelle est continue sur R


12724 -
modify delete 12887 - Reply from demba , 23 yrs (Senegal) - 2009-07-27

c'est pas a chaque foie une fonction reelle est continue sur R

12724 -
modify delete 12744 - Reply from astou , 11 yrs (SENEGAL) - 2009-06-07

AIDEZ MOI SUR LES PROBLEMES

modify delete 12696 - from Susan , 13 yrs (USA) - 2009-05-24
Mathematics - "Helping?"

Hey! I think I can be able to help people in math since that's my most favorite subject and probably the only subject I'm good at. But don't expect too much from me. =]


12696 -
modify delete 12895 - Reply from Pak characteristic , 17 yrs (korea) - 2009-08-02

Is born but likes mathematics. But mathematics and sees and mathematics plentifully to become this chart so likes and also the proof tries to release, knows, is fun. But me the thing which becomes mathematics own house Oh!.

12696 -
modify delete 12701 - Reply from sid , 15 yrs (india) - 2009-05-26

great dats wt i needed pls help me in maths if u can

12696 -
modify delete 12700 - Reply from sid , 15 yrs (india) - 2009-05-26

great dats wt i needed pls help me in maths if u can

modify delete 12690 - from Ally , 13 yrs (usa) - 2009-05-23
Mathematics - "J"

Hey dis is my club


modify delete 12684 - from issa , 17 yrs (burkiona faso) - 2009-05-20
Mathematics - "recherche connessence"

ja veut faire les exercice de maths


12684 -
modify delete 12875 - Reply from demba , 23 yrs (Senegal) - 2009-07-21

QU'elle est ton niveau d'etude

modify delete 12666 - from Lauren , 9 yrs (north america) - 2009-05-16
Mathematics - "HELP"

i need help with math i am doing better but still need help!


12666 -
modify delete 12896 - Reply from Pak characteristic , 17 yrs (korea) - 2009-08-02

Mathematics the help is necessary? Anxious E. I will assist to from ~ mathematics 1+1=2 to come out being like this and so the little by little brain teaser comes out and divides with the elementary student junior high school student high student and the problem does not come out severely. But, the gain and loss well becomes and there is a possibility which solves a problem easily. You does eagerly and the possibility of releasing [iss] hangs

12666 -
modify delete 12728 - Reply from Claire , 10 yrs (U.S.A) - 2009-06-02

Hi Lauren

I'm Claire and I would LOVE to help you on your math. I'm very good at math. And since I'm 10, I probably just went throught the same things you did. SOOOO PLEASE write back at singer4life1234@yahoo.com. Oh and if you have any friends who need help, I would be glad to help them to.

Bye,
Claire

12666 -
modify delete 12675 - Reply from Aurelie , 22 yrs (France) - 2009-05-18

Hi, I'm French and I had my baccalauréat in sciences and math, so I can help you!
Don't hesitate to send me an email!
See you!!

Aurélie

modify delete 12651 - from ghfjh , 9 yrs (fkguk) - 2009-05-13
Mathematics - "Maths"

I want help whith maths I take a long time to do it can you help me?


12651 -
modify delete 12917 - Reply from lydia , 11 yrs (united kingdom) - 2009-08-10

hi i am boss at maths i got the highest score in the whole year group in my sats. so in would be fine to help you here is my address

xxlydiaxxgracexx@hotmail.com
add me to your contacts list

12651 -
modify delete 12682 - Reply from Emily , 12 yrs (England) - 2009-05-20

Hi i can help you with your maths. i want to be a teacher so helping you can be great experience! E-mail me if you need help.
And anyone else can as well.

modify delete 12639 - from abdellatif , 17 yrs (maroc) - 2009-05-07
Mathematics - "probléme mathématique"

soit x et y angles,tel que: x-2y=180° et tanx=1/2,trouver la valeur: tany,3tanx*tany,merci.


12639 -
modify delete 12897 - Reply from Pak characteristic , 17 yrs (korea) - 2009-08-02

Electronic mathematics? Defect¡¦ Does not do with electronic mathematics E. Releases oneself, the [toy]. But we will release and directness we will know more easily the possibility which [iss] [canh] Oh. Also the gain and loss power ascends plentifully, concentration to make only your problem, there is so tries a possibility of doing well, tries to release.

12639 -
modify delete 12665 - Reply from Sahil (France) - 2009-05-15

Let x and y be angles such that: x - 2y = 180° and tan(x)= 1/2 ;
find the value of: tan(y), 3than(x)*tan(y)

modify delete 12578 - from EZ ZAOUI , 20 yrs (ESPAGNA) - 2009-04-24
Mathematics - "POUR SAVOIR PLUS"

SLT JE VEUX SAVOIR MATHÉMATIQUES


12578 -
modify delete 12647 - Reply from nicolas , 16 yrs (togo) - 2009-05-11

je suis eleve en 2nde CD ;je peux t'aider

modify delete 12551 - from sophie (paris) - 2009-04-16
Mathematics - "Exercice"

Bonjour j'ai besoin de votre aide SVP
Une personne part en promenade et fixe la durée de celle-ci, aller et retour, à un maximum de 5 heures.
Sachant qu'elle s'en va à bicyclette, à la vitesse de 12km/h, et qu'elle revient à pied à 4km/h, à combien de km du point de départ doit-elle faire demi-tour pour respecter son horaire
Merci à tous ceux qui pourront m'aider


12551 -
modify delete 12653 - Reply from François (France) - 2009-05-13

à 15 km ^^

modify delete 12550 - from marie (lyon france) - 2009-04-16
Mathematics - "Exercice math"

Bonjour,
J'ai un exercice sur les nombres sexagésimaux à faire et je ne comprend rien; si quelqu'un pourrez m'aider SVP.
Voilà l'énoncé :
Si l'on compte à la vitesse d'une unité par seconde, pendant 8 heures par jour, 6 jours par semaine, 4 semaines seulement par mois, mais 12 mois dans l'année, combien faudra-t-il de temps pour compter jusqu'à cinq cent millions sept mille deux cents ?
Donner une réponse en années, mois, semaines, jours, heures, minutes et secondes.
Merci d'avance


modify delete 12549 - from julie (france) - 2009-04-16
Mathematics - "Exercice urgent"

Bonjour,
J'effectue une remise a niveau en math, et ayant quitter l'école depuis longtemps j'ai besoin d'aide SVP.
Voici l'énoncé :
Pour payer une facture, un client endosse deux effets à l'ordre de son fournisseur, et lui verse de plus 2 700€ en espèces. Les deux effets sont négociés immédiatement à 13%.
Le premier de valeur nominale 9 000€ est payable dans 20 jours ; l'autre est payable dans 45 jours. Sachant que l'escompte de ce deuxième effet est le triple de l'escompte du premier effet, on demande de calculer le montant initial de la facture.
Merci d'avance


modify delete 12528 - from aziz , 14 yrs (maroc) - 2009-04-11
Mathematics - "voiture"

salut tout,une voiture A fait une trajet en 2h ,et une voiture B fait la meme trajet en 8h.
quel est temps total si A et B fait la meme trajet?
merci.


12528 -
modify delete 12541 - Reply from DAHOU (FRANCE) - 2009-04-14

8H

modify delete 12514 - from aziz , 14 yrs (maroc) - 2009-04-07
Mathematics - "aid moi vite"

quel est la somme :1+2+3+4+5+6+7+8+9+10+.....+9999=???


12514 -
modify delete 12784 - Reply from youssef , 24 yrs (maroc) - 2009-06-18

salut aziz
je suis youssef d'agadir 3 annee math univesiti
1+2+3+......+n=(n(n+1))/n
si tu pose n=9999 tu aura ton resulta
et si tu veux te casser un peut la tete
cherche
1²+2²+3²+..........+n²=??????....§§§
et bonne chance

12514 -
modify delete 12620 - Reply from khanh ly , 16 yrs (viet nam) - 2009-04-29

A=1 + 2 + 3 +...+ 9999
Q= 2A=1+2+3+...+9999+1+2+3+...+9999=(1+9999) + (2+9998) +...+(9999+1)=9999*10000
A=Q/2=9999*10000/2=9999*5000

12514 -
modify delete 12526 - Reply from aziz , 14 yrs (maroc) - 2009-04-09

merci.

12514 -
modify delete 12523 - Reply from Nicolas (France) - 2009-04-09

ou plus exactement (avec 4 zéros) :
10000 * 9999 / 2

12514 -
modify delete 12520 - Reply from rajaa , 17 yrs (Morocco) - 2009-04-09

Oui, le résultat final est : 1000*9999 / 2
Tu n'a qu'à calculer et tu trouveras : 4999500
Et voila ! :D

12514 -
modify delete 12518 - Reply from aziz , 14 yrs (maroc) - 2009-04-08

rajaa ,je veux le résultat final ,pas des methode.

12514 -
modify delete 12515 - Reply from rajaa , 17 yrs (maroc) - 2009-04-08

Salut Aziz !
Si tu nomme ton nombre: A , alors 2A sera égale à : 1000+1000+....+1000 (9999 fois)
Donc A=1000*9999 / 2

Plus d'explications :
A= 1 +2 +3+ ...+9999
A=9999+9998+9997+....1

On fait la somme : 2A= 1000+1000+...+1000

Et voila ! :D

modify delete 12504 - from Fanny , 14 yrs (France) - 2009-04-05
Mathematics - "aide pour les maths"

coucou, je suis en 3ème et je propose mon aide pour les maths. si ça peux vous rassurez j'adore les maths et j'ai 18,5 sur20 de moyenne en maths...
kiss à tous!!!


12504 -
modify delete 12557 - Reply from Océane , 12 yrs (France) - 2009-04-17

J'veux biieen ! =DD

12504 -
modify delete 12505 - Reply from tedros , 19 yrs (ethiopia) - 2009-04-05

you can contact me by tedysal@gmail.com


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