Question Grade: Education Subject: mathematiques convertir ces durées en secondes 3h et 2,5h svpp mercii Asked by: USER3481 62 Viewed 62 Answers Responsive Ad After Question Answer (62) USER6143 Best Answer (173) Nous savons que 1h = 3600sec donc : 3h = 3x3600 : 10800sec2,5h = 2x3600 + 1800 (3600 ÷ 2) = 9000Bonne fin de soirée. View other answers (62) Related Articles What role does page speed play in Mobile-First Indexing? 31 Agustus 2025 56 views 56 comments How does Mobile-First Indexing impact structured data? 31 Agustus 2025 54 views 54 comments What should I do if my website has different content on the mobile and desktop versions? 31 Agustus 2025 88 views 88 comments What if my website uses responsive web design? Does that automatically make it Mobile-First Indexing ready? 31 Agustus 2025 107 views 107 comments How can I check if my website is ready for Mobile-First Indexing? 31 Agustus 2025 65 views 65 comments What are the key differences between the desktop and mobile versions of a website that Google considers during Mobile-First Indexing? 31 Agustus 2025 133 views 133 comments How does Mobile-First Indexing affect my website's ranking? 31 Agustus 2025 59 views 59 comments What is Google's Mobile-First Indexing and why did it happen? 31 Agustus 2025 61 views 61 comments What if I don't have access to my recovery email or phone number? 31 Agustus 2025 65 views 65 comments Can I use a different phone to reset Google Authenticator if I lost my old one? 31 Agustus 2025 79 views 79 comments What is the best way to reset Google Authenticator without a backup code or old phone? 31 Agustus 2025 86 views 86 comments Is there a firmware update available for my printer? 31 Agustus 2025 52 views 52 comments How do I find the printer's IP address if it's not automatically assigned? 31 Agustus 2025 74 views 74 comments care este povestea hiada si odisea 28 Agustus 2025 40 views 40 comments Bonjour a tous je n'arrive pas a répondre a ces deux questions, merci d'avance. 1) Le quotient de la différence entre 22 et 8 par la somme de 2 et 5. 2) le produit de 18 par le quotient de 12 par 4. 26 Agustus 2025 160 views 210 comments Accordez les verbes avec leur sujet en les conjuguant au temps de l'indicatif indiqué entre parenthèses. Le rouge-gorge (se remettre, passé simple)............ à chanter au moment où je (prendre, imparfait) ............. l'épée en main. Je la tirai hors de la pierre comme je l' (faire, plus-que-parfait)..................déjà.............., sans effort, doucement, comme un couteau sortant d'un fromage. Le soleil (se réfléchir, passé simple) ............................... sur la lame 27 Agustus 2025 160 views 500 comments If the error persists after clearing the browser and server caches, what should I check next? 25 Agustus 2025 93 views 93 comments bonjour, J ai deposer 526 euros sur un compte qui me rapporte 2% l'an. combien yaura t'il sur ce compte dans 5 ans ? en un calcul 27 Agustus 2025 129 views 129 comments