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olga nikolaevna [1]
3 years ago
6

a movie theater has 24 screens. the ratio of action films to other films is 1:2 in the summer. how many action films are shown?

Mathematics
1 answer:
stiv31 [10]3 years ago
5 0
12 action films are shown.
This is because if the ratio is 1:2, that means that exactly half of the total amount of movies are action. Thus, to evaluate this problem, you would find half of 24.
24 \div 2 = 12
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4 0
3 years ago
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Nimfa-mama [501]

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Step-by-step explanation:

<u>Perimeter is:</u>

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2 years ago
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Given f(x) = 4x^4 find f^-1(x) Then state whether f^-1(x) is a function.
sdas [7]

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Step-by-step explanation:

To find the inverse function, solve for y:

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f(x) is an even function, so f(-x) = f(x). Then the inverse relation is double-valued: for any given y, there can be either of two x-values that will give that result.

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A function is single-valued. That means any given domain value maps to exactly one range value. The test of this is the "vertical line test." If a vertical line intersects the graph in more than one point, then that x-value maps to more than one y-value.

The horizontal line test is similar. It is used to determine whether a function has an inverse function. If a horizontal line intersects the graph in more than one place, the inverse relation is not a function.

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Since the inverse relation for the given f(x) maps every x to two y-values, it is not a function. You can also tell this by the fact that f(x) is an even function, so does not pass the horizontal line test. When f(x) doesn't pass the horizontal line test, f^-1(x) cannot pass the vertical line test.

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The attached graph shows the inverse relation (called f₁(x)). It also shows a vertical line intersecting that graph in more than one place.

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2 years ago
2/7 divided by 7/6 brainlyest on the line
raketka [301]
12/49! hope this helps!
6 0
3 years ago
3^sqrt -64w^12<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B%20-%2064w%5E%7B12%7D%7D%20" id="TexFormula1" title=" \s
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-64=(-4)³, w^12=(w^4)³
the result is -4w^4
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