Which of the following expressions are equivalent to 6.53  (4.11) + 7.926.53? (Choice A) A 6.53(4.11+7.92)6.53−(−4.11+7.92)6, point, 53, minus, left parenth
Question
(Choice A)
A
6.53(4.11+7.92)6.53−(−4.11+7.92)6, point, 53, minus, left parenthesis, minus, 4, point, 11, plus, 7, point, 92, right parenthesis
(Choice B)
B
6.53 + 4.11 + 7.926.53+4.11+7.926, point, 53, plus, 4, point, 11, plus, 7, point, 92
(Choice C)
C
(6.53)+4.11(7.92)−(−6.53)+4.11−(−7.92)minus, left parenthesis, minus, 6, point, 53, right parenthesis, plus, 4, point, 11, minus, left parenthesis, minus, 7, point, 92, right parenthesis
(Choice D)
D
6.534.11+7.926.53−4.11+7.926, point, 53, minus, 4, point, 11, plus, 7, point, 92
(Choice E)
E
6.534.117.92−6.53−4.11−7.92minus, 6, point, 53, minus, 4, point, 11, minus, 7, point, 92
2 Answer

1. User Answers luisejr77
Answer:
Choice B and Choise C.
Stepbystep explanation:
Equivalent expressions are those expressions that have the same value but they look different.
Given the following expression provided in the exercise:
[tex]6.53  (4.11) + 7.92[/tex]
You need to remember the multiplication of signs in order to find the equivalent expressions:
[tex](+)(+)=+\\()()=+\\()(+)=\\(+)()=[/tex]
Then:
 Eliminating the parentheses, you get this equivalent expression:
[tex]6.53 +4.11 + 7.92[/tex]
 Since the mulplication of two negative signs gives yous a positive sign, you can rewrite the original expression in this form:
[tex](6.53)+4.11(7.92)[/tex]
This is an equivalent expression to [tex]6.53  (4.11) + 7.92[/tex]

2. User Answers smartdog323
Answer:
b & c
Stepbystep explanation:
I did it on khan academy and it was right