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2 years ago

How much money, in dollars, is available on his card after he takes 0 rides?

Mathematics

1 answer:

snow_tiger [21]2 years ago

8 0

Answer:

However much he had on his card in the first place.

Step-by-step explanation:

Say he had $500 on his card. He took 0 rides ( no rides ) so he doesn't lose any money. Leaving him with his starting amount, $500.

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2 years ago

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3 years ago

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3 years ago

Read 2 more answers

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natali 33 [55]

Answer:

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Step-by-step explanation:

The apparent brightness of a star is

$\bf B=\displaystyle\frac{L}{4\pi d^2}$

where

<em>L = luminosity of the star (related to the Sun) </em>

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Hence the apparent brightness of Alpha Centauri A is

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According to the inverse square law for light intensity

$\bf \displaystyle\frac{I_1}{I_2}=\displaystyle\frac{d_2^2}{d_1^2}$

where

$\bf I_1=$ light intensity at distance $\bf d_1$

$\bf I_2=$ light intensity at distance $\bf d_2$

Let $\bf d_2$ be the distance we would have to place the 50-watt bulb, then replacing in the formula

$\bf \displaystyle\frac{0.006329728}{50}=\displaystyle\frac{d_2^2}{(4.37)^2}\Rightarrow\\\\\Rightarrow d_2^2=\displaystyle\frac{0.006329728*(4.37)^2}{50}\Rightarrow d_2^2=0.002417564\Rightarrow\\\\\Rightarrow d_2=\sqrt{0.002417564}=\boxed{0.049168726\;ly}$

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3 years ago

What is the expression to find the distance between the points A and T

navik [9.2K]

Answer:

Step-by-step explanation:

The <u>square root </u>of

d=(x2−x1)^2+(y2−y1)^2

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3 years ago