Round 25,678 to the nearest ten thousand

Mathematics

1 answer:

Art [367]3 years ago

5 0

25,678 rounded to the nearest 10,000 would be 30,000

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3 integers less than 25 range of 10 mean of 13

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Answer:

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Step-by-step explanation:

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In Australia, road distance is measured in kilometres.

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A sailboat leaves port and sails 12 kilometers west and then 9 kilometers north.

GarryVolchara [31]

Answer: The sailboat is at a distance of 15 km from the port.

Step-by-step explanation: Given that a sail boat leaves port and sails 12 kilometers west and then 9 kilometers north.

We are to find the distance between the sailboat from the port in kilometers.

Since the directions west and north are at right-angles, we can visualize the movement of the sailboat in the form of a right-angled triangle as shown in the attached figure.

The sailboat moves leaves the port at P and reach O after sailing 12 km west. From point O, again it moves towards north 9 km and reach the point S.

PS = ?

Using the Pythagoras theorem, we have from right-angled triangle SOP,

Thus, the sailboat is at a distance of 15 km from the port.