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3 years ago

Which of the following is the radical expression of a5/7

Mathematics

1 answer:

ioda3 years ago

6 0

Answer:

The seventh root of a^5

Step-by-step explanation:

$a^{5/7}$

is equal to

$\sqrt[7]{a^5}$

because

$b^{1/m} = \sqrt[m]{b}$

hope this makes sense and helps

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At 3pm, the length of the shadow of a thin vertical pole standing on level ground is the same as the height of the pole. A while

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Answer: The height of the pole is 175.97 ( approx )

Step-by-step explanation:

Let the height of the pole is x cm,

Also, let the angle of elevation of the sun to the pole at 3 pm is $\theta$

Thus, by the question,

$tan\theta = \frac{\text{ The height of the pole}}{\text{ The height of the shadow}}$

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Again, according to the question,

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