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2 years ago

Please help with 7 and 8

Mathematics

2 answers:

Serhud [2]2 years ago

6 0

For #7 - part a: greatest common factor (GCF) is 5.

Part b: cross out everything BUT 10 & 20.

blondinia [14]2 years ago

4 0

Answer:

Step-by-step explanation:

7 Part A the GCF is 5

Part B cross out 15 and 25

8 Commutative Property

Assosiative Property

and I think the 10.2 is Additive Identity Property, I am not sure, ask your teacher if they will help

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2 years ago

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Check attachment for solution

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2 years ago

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1 year ago

(16x^2 - 25) ÷ (4x + 5)<br> DO NOT INCLUDE PARENTHESES IN YOUR ANSWER

Marina86 [1]

$\cfrac{16x^2-25}{4x+5}= \cfrac{(4x)^2-5^2}{4x+5}= \cfrac{(4x-5)(4x+5)}{(4x+5)}= 4x-5$

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3 years ago