Întrebare Clasă: Education Materie: matematica MEDIA ARIMETICA A TREI NR ESTE 18.DOUA DINTRE ELE SUNT 15 SI 21.AFLATI CELĂLALT NR.(Va rog ajutatima!) Întrebare a fost pusă de: USER5837 102 Vezi 102 Răspunsuri Responsive Ad After Question Răspuns (102) USER9888 Cel mai bun răspuns (79) (15+21+x):3=18 => 15+21+x=18•3= 54x= 54-(15+21)x=54-36x=18 Vezi alte răspunsuri (102) Articole relevante How do I check the data type of a date column? 4 September 2025 46 Vezi 46 comentarii What if the date column contains invalid data? 4 September 2025 46 Vezi 46 comentarii What is the best practice for storing dates in a database? 4 September 2025 58 Vezi 58 comentarii What are the different date formatting options available in SQL? 4 September 2025 64 Vezi 64 comentarii How can I fix the SQL error of converting a date to varchar? 4 September 2025 60 Vezi 60 comentarii What is one way to improve sentence fluency? A.combine short sentences B. Use synonyms C. Have a peer reader check for mistake. D. Add personality to the writing 4 September 2025 160 Vezi 186 comentarii Am nevoie urgent: Incercuiti raspunsul corect.1.Dupa o scumpire cu 255 un obiect costa 750lei. Pretul initial a fost: A. 700 lei; B. 500 lei; C. 650 lei; D. 600 lei.2.Solutia sistemului { x+2y=-1 este: A. (1;4); B. (2;-3); C. (3;-2); D. (-2;2) 2x+y 3.Doua numere proportionale cu 5 si 7 au suma egala cu 156. Atunci numerele sunt: A.75; 81; B. 65; 91; C. 85; 71; D. 95; 61.4. Solutia sistemului {radical din 3x -2radical din2y=-radic 4 September 2025 160 Vezi 500 comentarii Ada berapa pulau di indonesia 4 September 2025 29 Vezi 29 comentarii A princess hat for a costume is shaped like a cone. The base of the cone is 12 in across and the height is 8 in. The slant height of the outside edge, which is unknown, is the hypotenuse of the right triangle formed with the radius and the height of the cone. (a) Sketch the princess hat. Label the known lengths as described and label the unknown length as x. (b) What is the slant height of the outside edge? 4 September 2025 160 Vezi 440 comentarii Descrieți orașul Sibiu Cu obiective turistice in engleza 4 September 2025 63 Vezi 63 comentarii Termasuk pameran heterogen atau homogen pameran disekolah? Jelaskan alasannya.. 1 September 2025 86 Vezi 86 comentarii Teknik apa yang paling tepat untuk memperbanyak tanaman mangga dengan bibit dalam waktu yang cepat? 2 September 2025 99 Vezi 99 comentarii Question 9: What are some resources for learning more about the history and significance of older comics? 25 Agustus 2025 105 Vezi 105 comentarii Pourcentages47 Recopie six fois la.phrase : prendre.....(ligne haut) d'un nombre, c'est le multiplier par....(bas)ligne haut :50%25%75%30%60%200%ligne bas :3/103/51/421/23/4je sais le début : prendre 50% d'un nombre c'est le multiplier par...(3/10...3/5 etc...) lequel et comment savoir...merciہے 27 Agustus 2025 160 Vezi 442 comentarii List the potential rational zeros of the polynomial function. Do not find the zeros. f(x) = x5 - 3x2 + 3x + 14 28 Agustus 2025 123 Vezi 123 comentarii