3 years ago

Which of the following equations are equations of a direct variation? Choose all that apply.

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

7 0

A c d hope it helps (;

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The manager of a gas station has observed that the times required by drivers to fill their car's tank and pay are quite variable

Nat2105 [25]

Answer:

The probability that a car driver can complete the transaction in less than 5 minutes is 0.4647.

Step-by-step explanation:

Let X = times required by drivers to fill their car's tank and pay.

The average time required by drivers is, β = 8 minutes.

The random variable X is Exponentially distributed with parameter, $\lambda=\frac{1}{\beta}=\frac{1}{8}=0.125$ .

The probability distribution function of exponential distribution is:

$f_{X}(x)=\lambda e^{-\lambda x};\ x>0$

Compute the probability that a car driver can complete the transaction in less than 5 minutes as follows:

$P(X$

Thus, the probability that a car driver can complete the transaction in less than 5 minutes is 0.4647.

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The answer would be "B"

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3 years ago

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Round to 3 decimal places for the final answer

tatiyna

Answer:

9.784

Step-by-step explanation:

remember this formula for right triangles (a^2+b^2=c^2)

so 7.4^2+6.4^2=c^2

54.76+40.96=c^2

95.72=c^2

this is where we do this

$\sqrt{95.72}=\sqrt{c^2}$

square root of 95.72 is around 9.784

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How would you convince a fellow student that the number 0.57 is a rational number?

Setler79 [48]

Because a rational number is basically a fraction or decimal form

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4 years ago

**Will give brainiest

Masteriza [31]

Answer:

707

tan(3)=a/4960

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