AnswersSS-Math 7Using Properties to Simplify Expressions

Using Properties to Simplify Expressions Answers

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1
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Which expressions are equivalent?

A
and
Option A
B
and
Option B
C
and
Option C
D
and
Option D
2
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Which expression is equivalent to ?

Question illustration
A
mc010-2.jpg
Option A
B
mc010-3.jpg
Option B
C
mc010-4.jpg
Option C
D
mc010-5.jpg
Option D
3

A store charges 7% sales tax. Which expression can be used to find the total cost of an item with a price of p?

A
0.07p
B
0.93p
C
1.07p
D
7.00p
4

How many zero pairs can be created in the model below?

Question illustration
A
0
B
1
C
2
D
3
5

Which expression is represented by the model?

Question illustration
A
mc002-2.jpg
Option A
B
mc002-3.jpg
Option B
C
mc002-4.jpg
Option C
D
mc002-5.jpg
Option D
6

Which expression is equivalent to ?

Question illustration
A
3 a + 2 b
Option A
B
3 a minus 2 b
Option B
C
a minus 2 b
Option C
D
a + 2 b
Option D
7

A restaurant charges an automatic gratuity of 18% on tables with more than 6 people. A party of 8 had a bill of p. Which expression can be used to find the total cost of the meal with the gratuity?

A
0.18p
B
0.82p
C
1.18p
D
18.00p
8

Which property was used to simplify the expression?

Question illustration
A
distributive property
B
commutative property
C
associative property
D
inverse property
9

Which expression is equivalent to ?

Question illustration
A
23 s minus 9
Option A
B
23 s minus 7
Option B
C
11 s minus 7
Option C
D
11 s minus 9
Option D
10

What term can you add to to make it equivalent to ?

Question illustration
A
Negative one-third x
Option A
B
Negative one-third
Option B
C
One-half x
Option C
D
One-half
Option D

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