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3 years ago

12

Which is equivalent to

1 answer:

Step2247 [10]3 years ago

3 0

The common ratio of the sequenc is
6/-2 = -18/6 = -3

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Cos (2a) [tg (2a) - tg (a)] = tg (a)<br> ¿Alguien sabe?

expeople1 [14]

Answer: I don’t know the answer but you the ap.p called math. way for any type of math it gives u all the answers

Step-by-step explanation:

I hope I helped

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3 years ago

If you toss 9 fair coins, in how many ways can you obtain at least one tail?

maks197457 [2]

9/18 or 50% if you toss the coin because when you toss 1 coin you get a 1/2 chance of getting tails. Do that nine times and you get 9/18

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3 years ago

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zlopas [31]

Answer:

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Step-by-step explanation:

7 0

3 years ago

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How many solutions are there to the following system of equations?

sweet [91]

$4x-8y=0 \\
\underline{-3x+8y=-7} \\
4x-3x=0-7 \\
x=-7 \\ \\
4x-8y=0 \\
4 \times (-7)-8y=0 \\
-28-8y=0 \\
-8y=28 \\
y=\frac{28}{-8} \\
y=-\frac{7}{2} \\ \\
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There is one solution to this system of equations. The answer is B.

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3 years ago

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Two angles in a triangle add up to 85 degrees what is the size of the third angle

Ilia_Sergeevich [38]

All of the angles in a triangle should add up to 180 degrees so if you know 2 out of three you just do subtract 180 by the sum of the two angles.
180-85=95

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2 years ago