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Hogar Banco de preguntas Matemáticas Aritmética Archive 2024 December 18

Arithmetic Questions from Dec 18,2024

Browse the Arithmetic Q&A Archive for Dec 18,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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(1) Sean is choosing what size gloves to order from an online store. He estimates that his hand is 20 centimeters long. When he measures with a ruler, however, he finds that his hand is actually 18 centimeters long. What is the percent error for his estimate? (1) If necessary, round your answer to the nearest tenth of a-percent. 1) Harold ran in a 1-mile race. He estimated his average running speed to be 10 miles per hour, but it was actually 9.9 miles per hour. What is the percent error for his estimate? 1) If necessary, round your answer to the nearest tenth of a percent. 30 minutes is what portion of an hour? 0.3 0.5 15 minutes is what portion of an hour? 41) Dwayne volunteered to clean the garage. He thought it would only take an hour, but it actually took him two and a half hours. What is the percent error for his estimate? 4) If necessary, round your answer to the nearest tenth of a percent. 4) Carmen participated in a walkathon to raise money for the local library. Before the hour-long event began, Carmen estimated that she would walk 3.5 miles, but she ended up walking 4 miles. What is the percent error for Carmen's estimate? 4)) If necessary, round your answer to the nearest tenth of a percent. 1) While playing a word game with friends, Dylan predicted how many points he would score. He scored 80 points but had predicted he would score more than that. How many points did Dylan predict he would score? 4) McKinley Middle School held a canned food drive for a local food pantry. Before the drive, the principal predicted the students would collect 600 cans of food, but he was pleasantly surprised wher they collected 750 cans. What is the percent error for the principal's prediction? 4) If necessary, round your answer to the nearest tenth of a-percent. Antonio is buying some apples. Each apple weighs 0.26 pound. If Antonio buys 7 apples, what is the weight of the apples? Determine if 0.71875 is rational or irrational and give a reason for your answer, Answer The number 0.71875 is because
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