AnswersPre-Algebra - MA3119 A Distance LearningExpressions with More Than One Operation

Expressions with More Than One Operation Answers

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21
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To figure out what type of tests you are best at, you should

A
Ask your teacher for their professional opinion
B
Write down your test grades after each test and compare them
C
Ask more questions in class
D
Create study guides that reflect any type of question that might be on a test
22
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Which inference did you include in your answer?

A
Over time, most people forgot all the bad things Standard Oil had done.
B
Rockefeller waged a successful public relations campaign.
C
The public accepted Rockefeller’s explanations when people complained.
D
No one was willing to stand up to the powerful Rockefeller.
23

Describe how the meniscus is used to read volume measurements on a graduated cylinder.

Answer not available
24

What is the value of the expression shown when ?“8 less than the quotient of 42 and a number”

Question illustration
A
; when the expression equals 1
Option A
B
; when the expression equals –1
Option B
C
; when the expression equals –6
Option C
D
; when the expression equals 6
Option D
25

Just writing down your grades after each test does not count as monitoring progress.

A
T
B
F
26

Which of the following pieces of laboratory equipment is not directly used to make measurements?

A
test tube
B
graduated cylinder
C
ruler
D
thermometer
27

Which expression has a value of 16 when ?

Question illustration
A
StartFraction 25 Over n EndFraction + 7
Option A
B
30 minus 3 n
Option B
C
7 + StartFraction 45 Over n EndFraction
Option C
D
n cubed minus 114
Option D
28

A clean locker may influence your academic success.

A
T
B
F
29

What feature is common to all microscopes, and how is this feature related in the word "microscope"?

Answer not available
30

Which description can be written as the expression ?.

Question illustration
A
the difference of six times a number and five
B
the sum of six times a number and five
C
the quotient of six times a number and five
D
the product of six times a number and five
31

Genetics is the most important factor that affects your physical fitness.

A
T
B
F
32

Keeping trash out of your locker is a method to

A
Proactively communicate
B
Stay organized
C
Monitor your progress
D
Study harder
33

Why is it important for a researcher to know all safety procedures and where all safety equipment is stored even if they never have an accident?

Answer not available
34

Compare ‘communication’ and ‘proactive communication’. How will the major differences help you succeed in school?

Answer not available
35

Which of the following pieces of lab equipment is used to protect eyes?

A
lab coat
B
fire blanket
C
fire extinguisher
D
goggles
36

Which algebraic expression represents “the difference of fifty-four and seven times a number”?

A
54 minus 7 n
Option A
B
StartFraction 54 Over 7 n EndFraction
Option B
C
7 minus 54 n
Option C
D
54 + 7 n
Option D
37

Asking a teacher about what might be on a test is not a useful study strategy.

A
T
B
F
38

Explain why the several different types of microscopes are all necessary.

Answer not available
39

Tawny wrote an expression to represent “the quotient of 82 and a number, decreased by 26.” She then evaluated the expression when . Which statements are true about the expression and its value? Check all that apply.

Question illustration
A
The correct expression is .
Option A
B
To evaluate the expression, subtract 26 from the quotient.
C
To evaluate the expression, subtract the quotient from 82.
D
The correct expression is .
Option D
E
The operations include division and subtraction.
F
To evaluate, substitute 24 for the variable in the equation.
G
The value of the expression is 15.
40

Staying organized is a strategy used to help you be prepared for anything.

A
T
B
F

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