Zad.8 👩‍🎓 Średnia Arytmetyczna Niewiadomych - Próbny Egzamin 8-klasisty Matematyka Grudzień 2024 CKE

👩‍🎓 8th Grade Math Mock Exam, December 3, 2024, CKE Task 8 Given four numbers: x, y, z, and a. We know that x = 6, a = 4, and the arithmetic mean of the three numbers x, y, and z is 12. Complete the sentences. Choose the correct answer from those marked with the letters A and B, and the answer from those marked with the letters C and D. The arithmetic mean of two numbers y and z is equal to A/B. A. 6 B. 15 The arithmetic mean of four numbers: x, y, z, and a, is equal to C/D. C. 8 D. 10 Math isn't as difficult as it may seem. You have to want to understand it and study it regularly. I want to help you with this by constantly publishing new videos on the channel of my tutoring school, XaYou Online Tutoring. So if you want to stay up to date, subscribe. I'll help you understand it! In this video, you'll learn: ✅ How to calculate the arithmetic mean without knowing the values ​​of the numbers ✅ What is the arithmetic mean ✅ How to rearrange an equation to solve for the unknown ✅ How to use the sum of the numbers in the arithmetic mean ----------------------------------------------------- 📚 "Paczka Odpowiedziieczka" (Sure Pack) - A Quick Course on the TOP 9 Types of Closed-End Problems for the 8th Grade Mathematics Exam: 👉🏼 https://korki-online.pl/egzamin-osmok... 📚 Comprehensive Course Preparing for the 8th Grade Mathematics Exam: 👉🏼 https://korki-online.pl/kurs-egzamin-... 📒 Formula Card for the 8th Grade Mathematics Exam: 👉🏼 https://korki-online.pl/egzamin-osmok... 👩‍🏫 Preparation for the 8th Grade Mathematics Exam - Live Courses: 👉🏼 https://korki-online.pl/przygotowanie... 👩‍🏫 Preparation for the Matura Exam - Live Courses: 👉🏼 https://korki-online.pl/przygotowanie... 🔔 Subscribe 👉🏼 https://www.youtube.com/channel/UCr2J... 👍🏼 Like us on Facebook 👉🏼   / firmaxayou   👩‍🏫 Join the closed online learning group 👉🏼   / korkionline   📷 Follow us on Instagram 👉🏼   / korkionline   😆 Follow us on TikTok 👉🏼   / korki_online   👨🏻‍💻 Visit our website 👉🏼 https://korki-online.pl/ ----------------------------------------------------- 👩‍🏫 Looking for a tutor? 📙 Conveniently book tutoring on our website 👉🏼 https://korki-online.pl/ or check out the group here: 👍🏼   / korkionline   🏡 And if you're interested in Online Homeschooling, join us here: 👉🏼 https://korki-online.pl/edukacja-domo... 👉🏼   / grupaedukacjadomowaonline   ----------------------------------------------------- 🤩 Support this channel and get bonuses:    / @korki-online   #onlinetutoring #mathematicstutoring #solution #math #tutoring #onlinetutoring #answers #arithmeticaverage #unknowns #formulatransformation #classroomexam