3 years ago

Verbal expression for seven to the 3rd power

Mathematics

1 answer:

miv72 [106K]3 years ago

4 0

7^3 power is the answer to your question

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Betty can travel 61 centimeters in 5 minutes. Please calculate Betty's rate of speed. (round to 2 decimal places)

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Answer:

61/5= 12.2 centimeters per minute

Step-by-step explanation:

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3 years ago

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(-2 √(-49)(5 √(-100)

Tamiku [17]

Answer:

The answer is... 700

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2 years ago

The black figure is an ellipse

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There is no figure here

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2 years ago

A road map of the state of Texas has a scale of 0.5 miles in =50 miles. If the distance between two points in the state is 600 m

tamaranim1 [39]

Answer:

6 miles

Step-by-step explanation:

Let's set up a ratio:

$\frac{0.5}{50}=\frac{x}{600}$

We can use "cross multiplication" to solve for x

Cross multiplication is multiplying the numerator of the first fraction by the denominator of the second fraction and the denominator of the first fraction by the numerator of the second fraction.

$0.5*600=50x$

$300=50x$

Divide both sides by 50 to isolate x

$x=6$

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2 years ago

The finishing times, in minutes, for running marathons have an unknown distribution with mean 297 and standard deviation 32 minu

dangina [55]

Answer:

The mean for the sample mean distribution is 297 minutes.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a large sample size can be approximated to a normal distribution with mean $\mu$ and standard deviation $\frac{\sigma}{\sqrt{n}}$ .

Using the Central Limit Theorem for Means, what is the mean for the sample mean distribution?

The mean is the same as the population mean, that is, 297 minutes.

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3 years ago