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Ipatiy [6.2K]
3 years ago
6

Find an exact value. cosine of nineteen pi divided by twelve.

Mathematics
2 answers:
zaharov [31]3 years ago
4 0
The answer is -0.083333333333333
mihalych1998 [28]3 years ago
4 0

Answer:

-0.0833

Step-by-step explanation:

\frac{cos^19(\pi)}{12}=-\frac{1}{12} = -0.0833

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Which situation cannot be represented by the equation 8−x=3?
lubasha [3.4K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
I need help with them Please some one help
Aleksandr [31]
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6 0
3 years ago
X^2 + x^2=6^2 what is x​
nikitadnepr [17]

Answer:

x = ±3 sqrt(2)

Step-by-step explanation:

x^2 + x^2=6^2

Combine like terms

2x^2 = 6^2

Divide each side by 2

x^2 = * 6^2/2

Take the square root of each side

sqrt(x^2) =± sqrt(  6^2/2)

Remember that sqrt(a/b) = ±sqrt(a ) /sqrt(b)

x = ±sqrt(6^2)/sqrt(2)

x = ±6 /sqrt(2)

We do not leave square roots in the denominator, so we multiply the top and bottom by sqrt(2)

x = ±6 /sqrt(2) * sqrt(2)/ sqrt(2)

x = ±6 *sqrt(2) /( sqrt(2)*sqrt(2))

x =  ±6 sqrt(2) /(2)

x = ±3 sqrt(2)

5 0
3 years ago
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Which expressions are equivalent to 3√128x?
harina [27]

Answer:

24sqrt(2)x

Step-by-step explanation:

7 0
3 years ago
How long will it take Carlos to walk 16 miles if he is walking 4 mph?
qwelly [4]
It will take Carlos 4 hours to walk 16 miles.
8 0
3 years ago
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