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olga2289 [7]
2 years ago
14

Verify that each equation is an identity. Show Work plzz!!

Mathematics
1 answer:
Pavlova-9 [17]2 years ago
3 0

Answer:

Step-by-step explanation:

sin²x + cos²x = 1 ⇒ cos²x = 1 - sin²x

\frac{cos^2x}{cos^2x} = 1

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Answer:

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Step-by-step explanation:

4 0
3 years ago
The question is evaluate x÷1.2 for each value of x         x=40.8
Aleks [24]
x:1.2\\\\x=40.8\to40.8:1.2=34

4 0
3 years ago
I need help with these please... anyone?
Svetlanka [38]
The total measure of the interior angles of each figure will be:

180 (n-2) = 180 (4 - 2) = 360

Now add all those angles and set them equal to 360.

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Hope this helps :)
8 0
3 years ago
15. 3x – 4y = -1<br> 5x + 2y = 7
never [62]

Answer:

x = 1, y = 1

Step-by-step explanation:

3x - 4y = -1

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If we multiply the whole second equation by 2, we get:

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Adding this to the first equation:

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Applying this to the second equation:

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8 0
3 years ago
A baseball league forms using a total of 12 coaches, 78 players
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And what else is in the problem I do not get what the problem is
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3 years ago
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