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3 years ago

If 2.063 kilometers long and 2.07 kilometer long than how long is span of both

Mathematics

1 answer:

Troyanec [42]3 years ago

6 0

4.133 kilometers

2.063 + 2.07 = 4.133

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Find the angle of cd round to the nearest tenth

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Answer:
14.1
Step-by-step explanation:

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2 years ago

Will buys a large soda bottle that contains 40 fluid ounces of soda. If the serving size is 8 fluid Ounces per person, how many

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5 friends

Step-by-step explanation:

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2 years ago

The sum of two numbers is 51 and the difference is 11. what are the numbers?

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3 years ago

The angle of elevation to the top of a water tower from point A on the ground is 19.9°. From point B, 50.0 feet closer to the to

zepelin [54]

Answer:

Answer in terms of a trigonometric function :

$h = \frac{20tan(19.9)}{0.4-tan(19.9)}$

Answer in figures

$h = 190.5 feet$

Step-by-step explanation:

Consider the sketch attached below to better understand the problem.

Let x be the distance between point B and the base of the water tower.

$tan (19.9)=\frac{h}{50+x} ---------------equation 1\\$

$tan (21.8)=\frac{h}{x}----------------equation 2$

From equation 2,

$x =\frac{h}{tan21.8}=\frac{h}{0.4}$

substituting the value of x into equation 1, we get

$tan (19.9)=\frac{h}{50+(\frac{h}{0.4} )}$

$tan 19.9=h\times \frac{0.4}{20+h}$

cross multiplying,

$20\times tan(19.9) +htan(19.9)=0.4h$

$20tan(19.9)= h(0.4-tan(19.9))$

$h= \frac{20tan (19.9)}{0.4-tan (19.9)}$

The height of the tower is $h= \frac{20tan (19.9)}{0.4-tan (19.9)}$ in terms of the trig function "Tan"

The equation can simply be evaluated to get the answer in figures since the angles are given in the question

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3 years ago

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If you need to get to nine the answer is...
6+3 or 3x1+6

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3 years ago