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Solving Equations using Properties of Logarithms Answers

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How did the Mothers of the Plaza de Mayo help to establish democracy in Argentina?

A
They led an armed revolt of citizens that overthrew the military junta in Argentina.
B
They held an election that determined whether the military junta could continue in power.
C
They criticized the military junta in Argentina until it was forced to hold free elections.
D
They wrote a new constitution for Argentina that included strong democratic protections.
83
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Question text not available

A
Option
B
Option
C
Option
84

Solve the equation log4(x + 20) = 3x =

Answer:

44

85

⇒ 2

Answers:
x2 − 2x − 15 = 0:2
Potential solutions are −3 and 5:5
x2 − 15 = 2x:1
x − 5 = 0 or x + 3 = 0:4
(x − 5)(x + 3) = 0:3
86

Find the potential solution to the equationlog4(2 – x) = log4(–5x – 18).x =

Answer:

-5

87

Which is the only solution to the equationlog3(x2 + 6x) = log3(2x + 12)?

A
x = –6
B
x = –2
C
x = 0
D
x = 2
E
x = 6
88

Which shows the first step in the solution to the equation log2x + log2(x – 6) = 4?

A
log2[x(x – 6)] = 4
Option A
B
x + x – 6 = 4
Option B
C
x + x – 6 = 24
Option C
D
Option
Option D
89

What are the solutions tolog3x + log3(x2 + 2) = 1 + 2log3x?

A
x = –2
B
x = –1
C
x = 1
D
x = 2
E
There is no true solution.
90

Question text not available

Answer:

Insufficient information

91

Explain the error in the solution below. What additional step needs to be completed?log x – log53 = 2log53 log x = 3log53 log x = log533 x = 27

Answer:

The error is applying the one-to-one property when the logarithms have different bases. The additional step is to use the change-of-base formula to rewrite the logarithms with the same base before solving.

92

The constellation shown, Orion, was named after

A
a Greek god.
B
a Greek astronomer.
C
a figure from Greek myth.
93

Based on the information you learned from the video, what is the significance of the Camp David Accords?

A
They ended all Arab-Israeli conflict in the Middle East.
B
They created a starting point for future negotiations between Israel and its neighbors.
C
The parties failed to achieve meaningful progress.
D
They showed that Arabs and Israelis were unwilling to negotiate.
94

Simplify.ln e =

A
-1
B
0
C
1
D
e
95

Use the change of base formula to evaluate the logarithms to the nearest thousandth.log36 =

Answers:
Selection 1:1.631
Selection 2:1.861
Selection 3:–2.322
96

What is the main idea of this passage?

A
That apartheid will no longer be tolerated; all people living in South Africa are equal.
B
South African people will gain back their land and liberty and then punish those who took it.
C
Injustice and inequalities are found all over the world, except in South Africa.
D
Apartheid occurs in South Africa because the people allow it to happen.
97

Why might a historian conclude that the meeting that produced the Freedom Charter was held in secret?

A
The African National Congress had been outlawed, so the meeting would have been illegal.
B
The charter copied words directly from other constitutions, which would be considered plagiarism.
C
The charter’s call for the end of apartheid would have been threatening to the South African government.
D
The African National Congress was calling for reconciliation with whites, which would have angered many black South Africans.
98

When did Mandela most likely make this statement?

A
while fighting apartheid
B
after apartheid's end
C
before apartheid began
D
during the beginning stages of apartheid
99

What is the purpose of this document?

A
to end racial discrimination and segregation in UN countries
B
to describe the characteristics of apartheid
C
to condemn South Africa’s actions in the Sharpeville massacre
D
to encourage demonstrations against the government
100

waiting to voteleaving the countryprotesting apartheid

A
waiting to vote
B
leaving the country
C
protesting apartheid
101

Which statements describe the Sun? Check all that apply.It is the center of the solar system.It is made up mostly of gases, not solids.It is ancient, at over 10 billion years old.It is the most massive object in the solar system.It is composed mostly of oxygen and nitrogen.

A
It is the center of the solar system.
B
It is made up mostly of gases, not solids.
C
It is ancient, at over 10 billion years old.
D
It is the most massive object in the solar system.
E
It is composed mostly of oxygen and nitrogen.

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