3 years ago

Estimate the square root of 78

Mathematics

2 answers:

Dima020 [189]3 years ago

8 0

Answer:

8.83176

Step-by-step explanation:

Furkat [3]3 years ago

5 0

Answer:

8.83176

Step-by-step explanation:

The square root of 78 is 8.83176, or 8.832 (rounded to the nearest thousandth).

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wariber [46]

Answer:

Distance between the person and the plane is 12 miles

Step-by-step explanation:

From the figure attached,

An airplane is flying at an altitude AB = 6 miles.

An observer is standing at point C from where he observes the plane at an angle of elevation θ

Therefore, sinθ = $\frac{\text{\text{Opposite side}}}{\text{Hypotenuse}}$

sinθ = $\frac{AB}{AC}$

AC = $\frac{AB}{sin\theta }$

AC = 6cosecθ

If angle θ = 30°

Then AC = 6cosec30

AC = 6×2

AC = 12 miles

Therefore, distance between the person and the plane is 12 miles.

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Answer:

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Step-by-step explanation:

One approach to doing this probelm is to evaluate all three functions F, G and H at x = 2:

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H(2) = (2)^2 = 4

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Then (F/G)(2) = (3/8), and (F/G/H) = -------- = 3/32

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Step-by-step explanation:

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