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polet [3.4K]
3 years ago
9

The change in Chandra's account balance over a 5-month period is −$860 .

Mathematics
2 answers:
aliya0001 [1]3 years ago
6 0
Alright my friend so basically if we multiply option C. -172 x 5 the outcome will be -860
Evgen [1.6K]3 years ago
3 0

Answer:

-$172

Step-by-step explanation:

If the change in Chandra's account balance over a 5-month period is −$860, her average change o'er month (i.e for one month) over the period will be -$860/5

= -$860/5

= -$172

It is like taking the mean of the total balance i.e average balance for 5months/total number of months

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Un terreno de 4200 metros cuadrados de superficie se quiere dividir en dos lotes de manera que el lote menor sea tres cuartas pa
lions [1.4K]

Answer:

El lote menor tendrá 1800 m^2

El lote mayor tendrá 2400 m^2

Step-by-step explanation:

Definamos las variables:

M = superficie del lote mayor

m = superficie del lote menor.

Sabemos que el terreno tiene en total 4200 m^2

Entonces:

M + m = 4200 m^2.

Y queremos que el lote menor sea 3/4 del lote mayor, entonces:

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Podemos reemplazar esto en la ecuación de arriba para obtener:

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Y ahora podemos resolver esto para M

M + (3/4)*M = 4200m^2

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3 years ago
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