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<p> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">El siguiente gráfico representa la desintegración de m(t) kilógramos de una sustancia readiactiva <span style="font-family: arial,helvetica,sans-serif; font-size: medium;">en #s días</span><br /></span></p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"> </span></p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"> #graf1</span></p> <p> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">a) Lee directamente <span style="font-family: arial,helvetica,sans-serif; font-size: medium;">y anota</span> un valor estimativo para la masa «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced»«msub»«mi»m«/mi»«mn»1«/mn»«/msub»«/mfenced»«/math» en kilógramos del cuerpo en el momento que comienza la desintegración.</span></p> <p> </p> <p><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;">b) Estima cuánta masa «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced»«msub»«mi»m«/mi»«mn»2«/mn»«/msub»«/mfenced»«/math» en kilógramos queda después de #s días de desintegración.</span></p> <p> </p> <p><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">Observaciones: </span></p> <p><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">- U<span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">tiliza el punto decimal en lugar de la coma.</span></span></p> <p><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">- I</span><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #ff0000;">ngresa tu respuesta sin unidades</span>.</span></span></p> <p><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">- Además debes anotar el resultado aproximando a la décima, es decir, si «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced mathcolor=¨#FF0000¨»«msub»«mi»m«/mi»«mn»2«/mn»«/msub»«/mfenced»«/math» es 4.35 </span></p> <p><span style="color: #ff0000; font-family: arial,helvetica,sans-serif; font-size: medium;">entonces debes ingresar 4.4</span></p>
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<p> </p> <p><span style="font-size: medium;">El gráfico</span></p> <p> </p> <p> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"> #graf1</span></p> <p style="text-align: center;"> </p> <p style="text-align: center;"> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">Muestra como un cuerpo de <span style="font-family: arial,helvetica,sans-serif; font-size: medium;">m(t) kilógramos de masa se desintegra según el correr del tiempo.<br /></span></span></p> <p> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">a) Si deseamos aproximarnos al valor inicial de masa que tiene el cuerpo, leemos directamente el punto donde la recta corta al eje de las ordenadas ( en el eje y corresponde al punto de color verde). </span></span></p> <p> </p> <p> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">#graf2</span></span></span></p> <p style="text-align: center;"> </p> <p style="text-align: center;"> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">Se obtiene «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»#«/mo»«mi»a«/mi»«mn»1«/mn»«/math» kilógramos para «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn»0«/mn»«mo» «/mo»«mo» «/mo»«/math»días .<br /></span></span></span></p> <p style="text-align: center;"> </p> <p style="text-align: left;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">b) Para estimar la masa <span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced»«msub»«mi»m«/mi»«mn»2«/mn»«/msub»«/mfenced»«/math»</span> que queda después de <span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;">#s días</span>, se busca en el eje de las absisas (eje X) el valor <span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;">#s, desde este punto levantamos una recta vertical que intersecte la curva como se muestra en la siguiente gráfica </span> </span></span></span></p> <p style="text-align: left;"> </p> <p style="text-align: left;"> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">#graf3</span></span></span></span></span></span></span></p> <p style="text-align: center;"> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">A continuación trazamos una recta desde el punto al eje Y, como se indica:</span></span></span></span></span></span></span></p> <p style="text-align: center;"> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">#graf4 </span></span></span></span></span></span></span></span></span></span></span></span></span></span></p> <p style="text-align: center;"> </p> <p style="text-align: center;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: arial,helvetica,sans-serif; font-size: medium;">Se obtiene el valor correspondiente de #sol2 <span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;"><span style="font-family: Arial; font-size: medium;"> kilogramos para <span style="font-family: Arial; font-size: medium;"> </span><span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: medium;">#s días</span>.</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p> <p style="text-align: center;"> </p> <p style="text-align: center;"> </p> <p style="text-align: center;"> </p> <p style="text-align: center;"> </p> <p> </p>
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Answer 1
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<p><span style="font-family: arial, helvetica, sans-serif; font-size: medium;">¡¡ Muy bién !! ... Ahora nalicemos la propuesta:</span></p>
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83.33333%
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66.66667%
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33.33333%
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<p> </p> <p><span style="font-family: arial,helvetica,sans-serif; font-size: medium;"> Al parecer cometiste un error. Ahora, lo analizaremos. Si aún te quedan dudas, consulta con tu profesor de asignatura. </span></p> <p> </p>
Answer 3
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None
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90%
83.33333%
80%
75%
70%
66.66667%
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40%
33.33333%
30%
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20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
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