mayazmoc mayazmoc
  • 23-03-2024
  • Mathematics
contestada

Which two of these expressions are equivalent to 2 × a?
A) a + a
B) a
C) 2ª
D) 2a

Respuesta :

asraamarkhil98 asraamarkhil98
  • 23-03-2024

Answer:

A) a + a and D) 2a

Step-by-step explanation:

A) a + a is equivalent to 2a because when you add two quantities of 'a' together, you end up with a total of 2 'a's.

D )2a is also equivalent to 2 × a because when you multiply 2 by 'a', you get 2a.

Therefore, both A) a + a and D)) 2a are equivalent expressions to 2×s

Answer Link
zeinamyousri23456 zeinamyousri23456
  • 23-03-2024
D (2a) since any number multiplied by an unknown variable is written in this form.
Answer Link

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a^3+a+a^2+1 2a^2+2ab+ab^2+b^3 ------------------------------- * ---------------------------------- a^3+a^2+ab^2+b^2 a^3+a+a^2b+b