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e-lub [12.9K]
3 years ago
10

Three straight lines intersect at $O$, and ray $\overrightarrow{OD}$ divides $\angle COE$ into two angles of equal measure. The

ratio of $\angle COB$ to $\angle BOF$ is $7:2$. What is the number of degrees in $\angle COD$?
Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

Answer:

12

Step-by-step explanation:

m xxq

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ahrayia [7]

Answer:

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Games with this rating contain content which the ESRB believes is generally suitable for those aged 17 years and older.
snow_lady [41]

Answer:

C. Mature 17+

Step-by-step explanation:

These games are usually not recommended at all for anyone below the age of 17 because these pieces of content include:

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6 0
3 years ago
What Ln(z) is answer????!!
dimaraw [331]

Write <em>z</em> in exponential form:

z=1-i=\sqrt2 e^{-i\frac\pi4}

Then taking the logarithm, we get

\mathrm{Ln}(z)=\ln(\sqrt2) + \ln e^{-i\frac\pi4} = \boxed{\ln(\sqrt2)-\dfrac\pi4i}

so a is the correct answer.

3 0
3 years ago
Which of the following is an equivalent expression to -x+5y=15?
8_murik_8 [283]
I think it is b because to me it makes the most sense
7 0
3 years ago
2-31. Write an equation and solve it to find the answer to the question below.  Use the 5-D Process to help you write the equati
raketka [301]

r = 25+b

n = 3b

n+r+b=435

3b+25+b+b=435

5b+25=435

5b=210

b=42

r = 25+42 = 67

n = 3(42) = 126

6 0
3 years ago
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