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Zanzabum
2 years ago
13

Help please I need help

Mathematics
1 answer:
lukranit [14]2 years ago
8 0
The answer is Radical 6.

This is because if you use Cosine and the angle measured 30. You would put adjacent over hypotenuse, which is
Cos (30) = X/radical 8

Put this into your calculator to get Radical 6
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Write the explicit formula that represents the geometric sequence -2,8,-32,128.
Dmitriy789 [7]

Answer:

a_{n} = - 2(-4)^{n-1}

Step-by-step explanation:

The n th term ( explicit formula ) for a geometric sequence is

a_{n} = a(r)^{n-1}

where a is the first term and r the common ratio

Here a = - 2 and r = 8 ÷ - 2 = - 4, thus

a_{n} = - 2(-4)^{n-1}

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3 years ago
Which number can you add to any rational number to obtain an irrational number?
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I think any irrational number would do this? I'm not positive though. Some examples may be pi or the square root of 2.
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If a Ferrari drove 300 kilometers in one and a half hours. How fast was the car going?
vfiekz [6]
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or
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8 0
3 years ago
5. Sketch the solution set of the system x > or equal to 0, y < 3, x - y > 1, y > 2x-1.​
laiz [17]

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8w-ddje

Step-by-step explanation:

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3 years ago
Evaluate (c − b)2 + a2  for a = –5, b = –2, and c = –4.
frosja888 [35]

Answer:

29

Step-by-step explanation:

(c − b)^2 + a^2

Let a = –5, b = –2, and c = –4.

(-4--2)^2 + (-5)^2

(-4+2)^2 + (-5)^2

(-2)^2+ (-5)^2

4 +25

29

7 0
3 years ago
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