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n200080 [17]
3 years ago
7

Joelle made 3 bracelets in 15 minutes, 4 bracelets in 20 minuets, and 6 bracelets in 30 minutes. Is the relationship between the

number of bracelets and time a proportional relationship? If so, what is the unit rate?
Mathematics
2 answers:
melamori03 [73]3 years ago
8 0
Yes. It takes 5 minutes per bracelet.
alexgriva [62]3 years ago
4 0
The answer to your question is 5 minutes per making a bracelet
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Answer:

397

Step-by-step explanation:

Sea 'p (x)' el número que no es divisible por 4, 6, 9, 11 y 12 de manera que cuando se divide por estos números da un resto igual, tenemos;

Por teorema del resto, tenemos;

p (x) = (x - a) · Q (x) + R

Dónde;

p (x) = El número, que se divide

Q (x) = El cociente

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R = El resto

Dado que el número más pequeño es 4, el resto, 0 <R <4

Para el número entero más pequeño arriba (x - a) · Q (x), tenemos;

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Observamos que el mínimo común múltiplo de 4, 6, 9, 11 y 12 = 396, por lo tanto, podemos tener;

(x - a) · Q (x) = 396

R = 1, dar;

p (x) = 396 + 1 = 397

Por lo tanto;

El número que no es divisible por 4, 6, 9, 11 y 12, de manera que cuando se divide por estos números da residuos iguales, p (x) = 397

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