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Svetlanka [38]
3 years ago
11

Given: f(x) = 3 - x; g(x) = -2x Find g[f(-1)].

Mathematics
1 answer:
Ganezh [65]3 years ago
8 0
G[f(-1)]
-2x[3-x(-1)]
-2x[-3-x]
6x-x
5x
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You discovered 1000 grams of an unknown element called Coolium 23 that has a half life 23 days. How long will it take for you to
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Answer:

13.8 days

Step-by-step explanation:

In this case we can solve it by means of a rule of three, knowing the amount of life for 1000 grams, it must be proportional for 600 grams, like this:

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 1000     23

 600        x

x = 600 * 23/1000

x = 13.8

which means that for the 600 grams it would be an average life of 13.8 days.

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The x-coordinates of a point that lies on the y-axis is positive.
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This is never true.

the x-coordinates of a point that lies on the y-axis is 0.


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3 years ago
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Step-by-step explanation:

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2 years ago
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How do i solve for this?
Firdavs [7]

9514 1404 393

Answer:

  97.42 square units

Step-by-step explanation:

The area of a sector is given by ...

  A = (1/2)r²θ

where r is the radius (12.2) and θ is the central angle in radians. Here, you're given the central angle as 75°, so you need to convert that to radians.

  75° = (75°)×(π/180°) radians = (5/12)π radians

Then the area is ...

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Equivalently, you can find the area of the circle in the usual way:

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3 years ago
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