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Alex17521 [72]
2 years ago
9

What are the answers to these???

Mathematics
1 answer:
Art [367]2 years ago
5 0

Answer:

10. 30km

11. 288km

12. 99km

Step-by-step explanation:

If 1cm=12km, just take the amount of cm and multiply by 12km.

For example, 2.5x12=30, and 24x12=288.

I hope this helps :)

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What is the common difference, d, in the arithmetic sequence defined by the formula below? an=2n+1
marishachu [46]
<h3><u>Answer:</u></h3>

  • d = 2

<h3><u>Solution:</u></h3>

We are given that the arithmetic progression is defined by :

➝ 2n + 1

<em>Therefore, </em>

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➙ n = 1

➝ 2 × 1 + 1

➝ 2 + 1

➝ 3

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➙ n = 2

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<h3><u>More </u><u>information</u><u>:</u></h3>

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2 years ago
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Explanation

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The distance traveled north and west respectively makes the height and base of a right angled triangle.

to find the shortest distance to the starting point, the hypotenuse has to be determined.

height h=8 miles

base b=5 miles

using pythagoras theorem

b^2+h^2=H^2\\5^2+8^2=H^2\\25+64=H^2\\89=H^2\\\\H=\sqrt{89} =9.433=9.4 miles

The shortest distance to the starting point is 9.4 miles

4 0
2 years ago
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