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3 years ago

9

8. La semana pasada, John gasto $ 18 en 4 juegos de bolos. Esta semana gastó $ 27 en 6 juegos de bolos. John tiene su propio par

de zapatos, por lo que solo paga por los juegos que juega. ¿Es esta relación proporcional? Si es así, ¿cuál es la constante de proporcionalidad?.

1 answer:

irinina [24]3 years ago

8 0

Answer:

Step-by-step explanation:

las quenos juegos = 18

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nata0808 [166]

Let $x be invested in the account that paid 5% simple interest.
Let $y be invested in the account that paid 10% simple interest.

The total invested is $10,000, therefore
x + y = 10000            (1)

The interest amounts earned are respectively
x*1*0.06 = 0.06x
y*1*0.10 = 0.10y

The total interest earned is $760, therefore
0.06x + 0.10y = 760
Multiply through by 10 to obtain
0.6x + y = 7600              (2)

Subtract (2) from (1).
x + y - (0.6x + y) = 10000 - 7600
0.4x = 2400
x = $6,000
From )1), obtain
y = 10000 - 6000 = $4,000

Answer:
$6,000 in the account paying 6% simple interest, and
$4,000 in the account paying 10% simple interest.

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3 years ago

2z – 33 = 3(z + 4) – 4z what is the answer?

MAVERICK [17]

The answer is 15!
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Dmitry [639]

Answer:

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Step-by-step explanation:

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3 years ago

A building society offers a rate of 11% per annum simple interest. Beth-Ann deposit 24000 in the society for 15 months. Calculat

Nostrana [21]

Answer:

The amount of money due to Beth-Ann at the end of this period is $27, 300.

Step-by-step explanation:

The amount at the end of a period, when simple interest is being charged is:

Amount (A) = Principal (P) + Interest (I)

Here interest is computed using the formula:

$I=P\times R\times T$

It is provided that:

P = 24,000

R = 11%

T = 15 months = 1.25 years

Compute the Interest as follows:

$I=P\times R\times T$

$=24000\times 0.11\times 1.25\\=3300$

The interest earned is, <em>I</em> = $3,300.

Compute the amount of money due to Beth-Ann at the end of this period as follows:

$A=P+I$

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Thus, the amount of money due to Beth-Ann at the end of this period is $27, 300.

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3 years ago

In 2010, the estimated population of Los Angeles was 3.79 × 106 people. The population of California that same year was about 9.

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Answer:

The approximate population of the state of California in 2010 was $37,293,600\ people$

Step-by-step explanation:

Let

x----->the estimated population of Los Angeles in 2010

y----->the estimated population of the state of California in 2010

we know that

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