Many numbers systems use bases other than ten, such as binary which uses two symbols (0 and 1) and hexadecimal which uses sixteen symbols (0-9 and A-F). Non-decimal number systems are useful for computing and for representing numeric data more concisely than decimal. Converting between bases involves expressing the value in one base using the place value symbols of another base.
Two boys, Andy and Brandon, were exploring a shoreline when Brandon discovered a black bag hidden under some rocks. Inside were small transparent stones that sparkled in the sun. Andy immediately told Brandon to call the police, remembering stories about smuggled goods being hidden along the shore. Their discovery could help the authorities intercept illegal activities.
Mrs. Benson and her 3-year-old son Michael were riding an escalator. Mrs. Benson heard a piercing scream for help and looked back to see that Michael's shoe lace had gotten caught in the escalator. His foot was being pulled into the mechanism as the escalator continued moving. Mrs. Benson grabbed Michael and tried to free his foot but was unable to. Bystanders rushed to help and were able to turn off the escalator, freeing Michael's foot which was badly injured. Michael was rushed to the hospital.
The narrator once had an obnoxious sister who would bully her by taking her things without asking, eating food she had saved, and using the bath the narrator had prepared without permission. The narrator complained to her parents but they could not stop the sister. One day the sister came home crying from school, and the narrator felt sorry for her and brought her soup and tea, realizing her sister had also changed and was now kinder.
The document describes siblings Priscilla and Gilbert dragging their feet to the landfill to collect aluminum cans and plastic bottles. Upon entering the landfill, they tied handkerchiefs around their mouths due to the smoke, dust, and overwhelming stench. They sifted through piles of rubbish like old cardboard boxes, rusty metal containers, and furniture for over an hour. By the end, they had collected a large pile and were dirty and sweaty, but delighted that they would earn some money by selling the recyclables.
Weekly Dose 22 - Maths Olympiad Practice - AreaKathleen Ong
The document contains solutions to several geometry problems involving areas of triangles, circles, rectangles, and composite shapes. The problems utilize properties of similar triangles, partitioning of areas, and relationships between parts and wholes. Diagrams are provided and calculations are shown step-by-step to arrive at the requested values.
Teks tersebut memberikan contoh-contoh penggunaan kata ganti dan kata majemuk dalam bahasa Melayu. Teks tersebut menjelaskan penggunaan kata-kata seperti "kumpul-kumpul", "jemaah", "bandar-bandar" yang menunjukkan lebih dari satu unsur, orang, benda, atau hal. Teks tersebut juga menjelaskan penggunaan kata "adalah" sebagai kata kerja.
Weekly Dose 21 - Maths Olympiad PracticeKathleen Ong
- 5 kids A, B, C, D, E are sitting around a table with candies amounts of 10, 30, 20, 20, 40
- In each round, each kid gives half their candies to the kid on their right
- If a kid ends with an odd amount, they take 1 more from the table
- The question is if after several rounds all kids can have the same amount, and if so how much