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Artemon [7]
3 years ago
9

A cyclist pedals up a hill that has a 13 degree angle. if the cyclist pedals up the hill for 10 kilometers what is her change in

elevation, x?
A. 022 kilometers
B. 2.2 kilometers
C. 9.7 kilometers
D. 45.0 kilometers
Mathematics
1 answer:
jeka57 [31]3 years ago
7 0
Sinα=h/d

h=dsinα, since d=10km and α=13

h=10sin13 km

h≈2.24951km

h≈2.2 km (to nearest tenth of a kilometer)
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kotykmax [81]

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HELP please i'll give brainliest I only have until 3 to finish this
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Answer:

B

Step-by-step explanation:

The ratios are 2:1

In the table it shows 4:2, 8:x, y:6, 20:z

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Licemer1 [7]

Answer:

B: $18.40

Step-by-step explanation:

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kramer

Option C: a=3, b=4 is the value of a and b

Explanation:

Given that the expression \sqrt{648}=\sqrt{2^a\times3^b}

We need to determine the value of a and b

Let us consider the term \sqrt{648} and take the prime factorization of the term 648

Thus, we have,

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324 divides by 2,

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162 divides by 2,

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81 divides by 3,

648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 27

27 divides by 3,

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9 divides by 3,

648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 3 \cdot 3 \cdot 3

Thus, we have,

\sqrt{648}=\sqrt{2^{3} \cdot 3^{4}}

Therefore, equating the powers of 2 and 3, we get,

a=3, b=4

Hence, the value of a and b is 3 and 4

Thus, Option C is the correct answer.

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