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Ahat [919]
3 years ago
13

What is the square route of 20?

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0
The square route of 20 is4.472135955
sukhopar [10]3 years ago
4 0
Approximately 4.47214
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The price of a European tour includes stopovers at five cities to be selected from 15 cities. In how many ways can a traveler pl
serious [3.7K]

Answer:

The correct answer is D. 360,360.

Step-by-step explanation:

Number of cities as stopovers available for selection for an European tour = 15

A traveler has to select a total of five cities from these the given 15 cities for his tour and order is determined by the travel company.

Therefore the number of ways the traveler plan such a tour is given by \left[\begin{array}{ccc}15\\5\end{array}\right] = 3003.

Now the order of the cities chosen by the travel company is given by 3003 × 5! = 360,360 ways.

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3 years ago
Scientists are studying the temperature on a distant planet. They find that the surface temperature at one location is 40° Celsi
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Answer:

T(h) = 20 - 3h

Step-by-step explanation:

We are told that for every km you go up, the temp goes down 3°.

Let's say you go up 1km, then the temp should be 17°. We can easily represent it by the equation: T(h) = 20 - 3h

If we go up 1km: T(1) = 20 - 3*(1) = 20 - 3 = 17°

If we go up 2km: T(2) = 20 - 3*(2) = 20 - 6 = 14°

If we go up 3km: T(3) = 20 - 3*(3) = 20 - 9 = 11°

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Find the percent of change from 67 inches to 89 inches. Round to the nearest tenth of a percent if necessary.
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