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IrinaVladis [17]

3 years ago

5

Your model train has one engine and eight train cars. Find the total number of ways you can arrange the train. (The engine must

be first.)There are total ways to arrange the train.

1 answer:

STALIN [3.7K]3 years ago

4 0

64 arrangements I total

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Evaluate the function:<br><br> f(x)=4x−1, find f(9)

Eddi Din [679]

Answer:

f(9) = 35

Step-by-step explanation:

To solve this, you can take 9 and replace both x's with it and then complete the equation;

f(x) = 4x - 1

f(9) = 4(9) - 1

f(9) = 36 - 1

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Hope this helps!

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2 years ago

What is 18.5% of 500?

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92.5

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2 years ago

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Anastaziya [24]

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2 years ago

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Vitek1552 [10]

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multiply the numerator by the reciprocal of the denominator
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3 years ago

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Find the hypotenuse of an isosceles right triangle when the legs each measure 3\sqrt{x} 2inches.

Tresset [83]

The hypotenuse of the right triangle measures 3 units.

<h3>How to find the hypotenuse?</h3>

Here we know that both legs measure:

$L =\frac{3}{\sqrt{2} }$

If we use the Pythagorean theorem, we will see that the hypotenuse H can be written as:

$H^2 = (\frac{3}{\sqrt{2} } )^2 + (\frac{3}{\sqrt{2} } )^2 \\\\H^2 = \frac{9}{2} + \frac{9}{2} = \frac{18}{2} = 9\\\\H = \sqrt{9} = 3$

Then we conclude that the hypotenuse of the right triangle measures 9 units.

If you want to learn more about right triangles:

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1 year ago