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Dvinal [7]
3 years ago
14

the height of the gateway arch show on the missouri quarter is 630 feet, or 7,560 inches. find how many 4-inch stacks for quarte

rs make up the height of the gateway arch. if theres 58 quarters in a 4-inch stack, how many quarters high is the arch?
Mathematics
1 answer:
german3 years ago
8 0
To find how many stacks of quarters there are we must divide 7,560 by 4.

7,560 / 4 = 1,890

There are 1,890 4-inch stacks. To find how many quarters are in all the stacks, we multiple 1,890 by 58.

1,890 * 58 = 102,060

The arch is 102,060 quarters high
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¿Cuál es el área de un rectángulo, sabiendo que su perímetro mide 24 cm y que su base es el triple de su altura?
Brrunno [24]

Answer:

El área del rectángulo es:

27 cm²

Step-by-step explanation:

Consideración:

La formula del perímetro de un rectángulo es:

p = 2(altura + base)

Planteamiento:

24 = 2(a+b)

b = 3a

a = longitud de la altura del rectángulo

b = longitud de la base del rectángulo

Desarrollo:

sustituyendo el valor de la segunda ecuación del planteamiento en la primer ecuación del planteamiento:

24 = 2(a + 3a)

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de la segunda ecuación del planteamiento:

b = 3a

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Comprobación:

de la primer ecuación del planteamiento:

24 = 2(3+9)

24 = 2*12

Respuesta:

la formula del área de un rectángulo es:

A = base * altura

A = 9cn * 3cm

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