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Sindrei [870]
3 years ago
8

At noon, the temperature is 30°F. For the next several hours the temperature falls by an average of 3°F an hour. Write an equati

on for the temperature T, and n hours
Mathematics
1 answer:
Sophie [7]3 years ago
7 0
30*3-30 I’m not good with math but it’s worth the points
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Si una galleta de chocolate aporta un aproximado de 150 kcal y un viaje en bicicleta se quema por media hora se que mas 340 kcal
Elanso [62]

Answer:

Una persona necesitará 2 horas y 30 minutos de viaje en bicicleta para quemar el contenido kilocalórico de cinco galletas.

Step-by-step explanation:

De acuerdo con este problema, la cantidad de calorías que se quema es directamente proporcional al tiempo de viaje en bicicleta. Si sabemos que una galleta aporta 150 kilocalorías, entonces 5 galletas equivalen a 750 kilocalorías.

Por regla de tres simple calculamos el tiempo requerido para quemar 750 kilocalorías:

x = 30\,min \times \frac{750\,kcal}{150\,kcal}

x = 150\,min

Es decir, una persona necesitará 2 horas y 30 minutos de viaje en bicicleta para quemar el contenido kilocalórico de cinco galletas.

6 0
3 years ago
A circular swimming pool is 21 feet in
AveGali [126]

Answer:

66 feet

Step-by-step explanation:

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so the length required will be ,2πr

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now req lenght = (2π10.5)=66 (feet)

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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