sandra783206
sandra783206 sandra783206
  • 25-06-2020
  • Mathematics
contestada

10. Simplify this expression: 13+ (-12) - (-5) = ?
A.-30
B. -6
C.6
D. 30

Respuesta :

jimrgrant1 jimrgrant1
  • 25-06-2020

Answer:

C

Step-by-step explanation:

Noting that

+ (- ) is equivalent to subtraction

- (- ) is equivalent to addition

Given

13 + (- 12) - (- 5)

= 13 - 12 + 5

= 1 + 5

= 6 → C

Answer Link
devishri1977
devishri1977 devishri1977
  • 25-06-2020

Answer:

C) 6

Step-by-step explanation:

13 + (-12) - (-5) = 13 + (-12) + 5

                       = 1 +5

                      = 6

13 & (-12 ) have different sign, so subtract and put the sign of the greater number's sign.

Answer Link

Otras preguntas

Two of the emission wavelengths in the hydrogen emission spectrum are 410 nm and 434 nm. One of these is due to the n=6 to n=2 transition, and one is due to the
How do amoebas obtain food?
what is 0.000702 in scientific notation.
What kind of molecule is an enzyme? Why are enzymes important in cell?
what is the solution for this inequality -10x <40
Why are the irish famous for drinking?
what is the solution for this inequality -10x <40
what is 0.000702 in scientific notation.
How is 'hearing' a motif in the novel A Separate Peace by John Knowles?
Two of the emission wavelengths in the hydrogen emission spectrum are 410 nm and 434 nm. One of these is due to the n=6 to n=2 transition, and one is due to the