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White raven [17]
3 years ago
6

Helppppppppppppppppppppppppp

Mathematics
1 answer:
kumpel [21]3 years ago
5 0
Answer:
x = 10

Explanation:
Note the following rules before we begin:
2 ln(a) = ln (a²)
ln (a) + ln (b) = ln (ab)

Now, for the given:
ln(20) + ln(5) = 2 ln(x)
ln(20*5) = ln(x²)
ln(100) = ln(x²)

This means that:
100 = x²
Therefore:
either x = 10 .........> acceped
or x = -10 .........> rejected as no negatives are allowed within ln functions

Hope this helps :)
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Answer: See explanation

Step-by-step explanation:

1. ∠WOV and m∠30° are complementary angles so they should add up to 90°

∠WOV + 30 = 90

Subtract 30 from both sides

∠WOV = 60°

I used the relationship of complementary angles.

2. ∠YOZ and ∠WOV are vertical angles so they're congruent.

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2 years ago
I need help one this
sashaice [31]

The complete proof is:

Statement                                                   Reason

∠WZX ≅ ∠WZV                                          Given

∠WZX and ∠WZV are a linear pair           Definition of a linear pair

m ∠WZX + m ∠WZV = 180°                        Linear pairs theorem

m ∠WZX + m ∠WZX = 180°                        Substitution

m ∠WZX = 90°                                            Subtraction property of equality

WY ⊥ VX                                                     Definition of perpendicular lines

From the question, we are to complete the proof by dragging the word choices to supply the missing statements and reasons

Studying the given diagram and applying the proper theorems,

The complete proof is:

Statement                                                   Reason

∠WZX ≅ ∠WZV                                          Given

∠WZX and ∠WZV are a linear pair           Definition of a linear pair

m ∠WZX + m ∠WZV = 180°                        Linear pairs theorem

m ∠WZX + m ∠WZX = 180°                        Substitution

m ∠WZX = 90°                                            Subtraction property of equality

WY ⊥ VX                                                     Definition of perpendicular lines

Learn more on Proof of theorems here: brainly.com/question/11246427

#SPJ1

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I think this is right, it’s been a while since I’ve done this though.

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