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goldenfox [79]
3 years ago
12

What does the equal sign with an arrow mean?

Mathematics
1 answer:
stealth61 [152]3 years ago
5 0
The <span>⇒</span><span> sign means that if the function on the left hand side of the notation is true, then so is the function on the right hand side of the notation.</span>
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PLEASE HELP
Leto [7]

Answer:

DA = 285.7 m

Step-by-step explanation:

First we need to find the side AB in the triangle ABC, and we can do this using Pythagoras' theorem:

AB^2 = BC^2 + AC^2

AB^2 = 300^2 + 400^2

AB^2 = 25000

AB = 500 m

We can find the angle ABC with the tangent relation:

tangent(ABC) = 400/300 = 4/3

ABC = 53.13°

From triangle ABC, we have:

ABC + BCA + CAB = 180°

53.13 + 90 + CAB = 180

CAB = 36.87°

From triangle DAC, we have:

DAC + ACD + CDA = 180

36.87 + 45 + CDA = 180

CDA = 98.13°

Now to find the side of DA, we can use law of sines in triangle DAC:

DA/sin(DCA) = AC/sin(CDA)

DA/sin(45) = 400/sin(98.13)

DA = 400 * 0.7071 / 0.9899 = 285.7258 m

Rounding to nearest tenth, we have DA = 285.7 m

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3 years ago
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Vika [28.1K]

Answer:

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Brainliest?

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Graph f(x)=4x^3-4x-2
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Answer:

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maximum: (-\frac{\sqrt{3} }{3} , \frac{8\sqrt{3} }{9}-2)

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Step-by-step explanation:

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That person, the someone, would have the 5 that they stole

hope this helps ;)
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Museum C because for every 3 guests you pay $4(?) each.

3/4
12/16=3/4
18/24=3/4
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3 years ago
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