Respuesta :

Answer:

see explanation

Step-by-step explanation:

(a) No

12.75 + 12.75 = 25.5 ≠ 0

(b) No

[tex]\frac{1}{2}[/tex] = 0.5 and

0.5 + 0.5 = 1 ≠ 0

(c) Yes

The absolute value always gives a positive value , so

| - [tex]\frac{3}{2}[/tex] | = [tex]\frac{3}{2}[/tex] , and

[tex]\frac{3}{2}[/tex] - [tex]\frac{3}{2}[/tex] = 0

(2)

note + (- ) is equivalent to - , that is subtraction

- 13 + (- 5) = - 13 - 5 = - 18

Answer:

1.

    a. no

    b. no

    c. yes

2.

    -13+(-5)= -18

Step-by-step explanation:

ACCESS MORE