Which number sentence is true?
a. -1.5 + (-0.5) = 2.0
b. 2.5 + (-1.5) = 1.0
c. -1.5 + (-0.5) = -1.0
d. -2.5 + 3.5 = -1.0

Therefore, B) 2.5 + (-1.5) = 1.0 is true.

Step-by-step explanation:

Given : Number sentences .

To find : Which number sentence is true.

Solution : We have given that numbers

We need to prove that is true,

Condition for true statement , left hand side and right hand side must be equal.

Then , 2.5 + (-1.5) = 1.0

Removing parenthesis

2.5 - 1.5 = 1.0

1.0 = 1.0

Left hand side is equal to right hand side.

Therefore, B) 2.5 + (-1.5) = 1.0 is true.

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9