4 years ago

Is this a function????????

Mathematics

1 answer:

Vsevolod [243]4 years ago

5 0

This is not a function because it does not pass the vertical line test.

Hope this helps!!
~Kiwi

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Solve for x. round to the nearest hundredth if necessary.

iris [78.8K]

Answer: $x=11.47$

Step-by-step explanation:

Given the angle of 55 degrees, you know that the adjacent side is "x" and the length of the hypotenuse is 20.

Therefore, you need to remember the following identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

Then, knowing that:

$\alpha=55\°\\adjacent=x\\hypotenuse=20$

You need to substitute these values into $cos\alpha=\frac{adjacent}{hypotenuse}$ :

$cos(55\°)=\frac{x}{20}$

Now, you can solve for "x":

$20*cos(55\°)=x\\x=11.471$

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3 years ago

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kherson [118]

Answer:

Step-by-step explanation:

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3 years ago

Lelechka [254]

B is the correct answer. 3(x+1)=24

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3 years ago

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Maru [420]

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A,b,c, or d??? Need help someone

storchak [24]

Answer:

the answer is A

Step-by-step explanation:

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