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Vinil7 [7]
3 years ago
15

Round the factors to estimate the products. 697 x 82=

Mathematics
2 answers:
Komok [63]3 years ago
8 0
697 x 82 = 56,154
700 x 80= 56,000
krek1111 [17]3 years ago
3 0
700*80=56000 while estimating your answer you round it to the nearest hundred or 10 depending on the number in this case it will be 700 rounding 697 and 80 rounding 82 to the nearest tenth
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There are 3 islands A,B,C. Island B is east of island A, 8 miles away. Island C is northeast of A, 5 miles away and northwest of
Nostrana [21]

Answer:

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Step-by-step explanation:

The geometrical diagram representing the statement is introduced below as attachment, and from Trigonometry we determine that bearing needed to navigate from island B to C by the Cosine Law:

AC^{2} = AB^{2}+BC^{2}-2\cdot AB\cdot BC\cdot \cos \theta (1)

Where:

AC - The distance from A to C, measured in miles.

AB - The distance from A to B, measured in miles.

BC - The distance from B to C, measured in miles.

\theta - Bearing from island B to island C, measured in sexagesimal degrees.

Then, we clear the bearing angle within the equation:

AC^{2}-AB^{2}-BC^{2}=-2\cdot AB\cdot BC\cdot \cos \theta

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\theta = \cos^{-1}\left(\frac{BC^{2}+AB^{2}-AC^{2}}{2\cdot AB\cdot BC} \right) (2)

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\theta = \cos^{-1}\left[\frac{(7\mi)^{2}+(8\,mi)^{2}-(5\,mi)^{2}}{2\cdot (8\,mi)\cdot (7\,mi)} \right]

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8 0
3 years ago
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Therefore, angle C is also 74°. 

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3 years ago
[HELP] Are the diagonals of an isosceles trapezoid congruent?
erastovalidia [21]
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the properties of an isosceles trapezoid are:
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3 0
3 years ago
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Anettt [7]

I'll give you a pdf so you can see it yourself and the correct answer is -32b - 32b

Download pdf
6 0
3 years ago
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