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Darya [45]
3 years ago
10

Identify the property used to simplify the following expression. (7 + x) + 1 = 7 + (x + 1) a) Associative Property of addition b

) Commutative Property of Addition c) Identity Property of Addition d) Distributive Property
Mathematics
2 answers:
gayaneshka [121]3 years ago
7 0
Associative Property of Addition
mariarad [96]3 years ago
5 0
<span> a) Associative Property of addition </span>
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vovangra [49]
Im not sure but i think its A because you have no value to multiply 3 so you just multiply it by itself.It would be a negative because you cant divide 3 by 2.so it would be A.-x9y2.
i hope i was correct and helped if not you can go ahead and delete my answer:)
6 0
3 years ago
67 to the 2nd power, plz tell me if the answer is a prime number<br><br> Who wants to t a l k
Galina-37 [17]

Answer:

No, it is not prime.

Step-by-step explanation:

67^2 = 4489

A number cannot be prime if it is divisible by a number besides 1 and itself. 4489 is divisible by 67; no perfect square can be prime.

8 0
2 years ago
What is the absolute value of 7.4
NNADVOKAT [17]
The answer is -7.4 because you switch from positive to negative
7 0
2 years ago
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The cost of tuition at Johnson Community College is $190 per credit hour. Each student also has to pay $60 in fees. Write a line
mrs_skeptik [129]
The answer is

C=f(x)=190x + 60, 

5 0
3 years ago
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Vertical angles are...? i
gregori [183]

Answer:

Vertical angles are pair of angles made by intersecting two  lines .

Step-by-step explanation:

In the image below a° and b° are vertical angles. "Vertical" refers to the vertex (where they cross), NOT up/down

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