demienarravo
09.12.2020 •
Mathematics
–2.5 + (–3.5) Which number line shows the sum? (and i know its not -6)
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Ответ:
-6
Step-by-step explanation:
1. Treat the problem like a subtraction problem because -2.5 + (-3.5) can be rewritten as -2.5-3.5
2. When adding or subtracting negative numbers, keep these rules in mind:
Same signs add and keep.
Different signs subtract.
Keep the sign of the higher number.
-2.5 -3.5 have the same sign, so add them up and keep the sign.
And you do get -6.
Ответ:
2 i think
Step-by-step explanation: