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g100num [7]
3 years ago
15

Jenny has $2.40 deducted from her monthly allowance every time she forgets to do a chore. If she forgets three times in one mont

h, what will be the change in Jenny's total allowance?
Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0

Answer:

The difference would be $7.20

Step-by-step explanation:

Multiply $2.40 times 3

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15,2,31,13

Answer:

Solution given:a number that is divisible only by itself and 1 (e.g. 2, 3, 5, 7, 11).

now

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15,2,31,13

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Step-by-step explanation:

Adjacent angles of a parallelogram are supplementary:

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Answer:

1) La serie geométrica formada es

4, 2, 1,..., ∞

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Step-by-step explanation:

1) El área del primer cuadrado, a₁ = 2² = 4 pulgadas²

El área del siguiente cuadrado, a₂ = (√ (1² + 1²)) ² = (√2) ² = 2 pulg²

El área del siguiente cuadrado, a₃ = ((√ (2) / 2) ² + (√ (2) / 2) ²) = 1 pulg²

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Las áreas de los cuadrados progresivos forman una progresión geométrica como sigue;

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De donde obtenemos la serie geométrica formada de la siguiente manera;

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2) La suma de 'n' términos de una progresión geométrica hasta el infinito para -1 <r <1 se da como sigue;

S_{\infty} = \dfrac{a}{1 - r}

Por lo tanto, la suma de las áreas de los cuadrados hasta el infinito se obtiene sustituyendo los valores de 'a' y 'r' en la ecuación anterior de la siguiente manera;

La \ suma \ al \ infinito \ del \ cuadrado \ S_{\infty}  = \dfrac{4 \ in.^2}{1 - \dfrac{1}{2} } = \dfrac{4 \ in.^2}{\left(\dfrac{1}{2} \right)} = 2 \times 4 \ in.^2= 8 \ in.^2

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