Preguntas matematicas en ingles grado octavo

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• Publicado : 25 de febrero de 2012

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1. The platelmintos or flatworms are an edge of spineless animals that you/they reach a maximum longitude of 60 cm. One of them decides to look for theirfood that is at a distance of 6.8 mm. If he/she moved in a horizontal way a distance medina in millimeters (mm) that can obtain when simplifying the arithmetic expression we can affirm:

2.If an athlete walks during a week in the following way: on Monday the algebraic expression walked 4m - 2n + 8, on Wednesday it continues advancing and the double of the day walks Monday, onFriday the double of Wednesday walks and on Sunday he/she walks half of the adds of the days Wednesday and Friday. Which is the journey during the week?

3. Un bote consume 7.5 galones degasolina en 2.5 horas. Si se utiliza desde las 1: 30 p.m. hasta las 6:15 p.m. ¿Cuál es el costo del combustible si cada galón cuesta \$ 6267?

4. El área naranjada en las figuras es laexpresión algebraica: Siendo el diámetro 2r