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Greeley [361]
3 years ago
12

What is −2/5 + 4/5

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
6 0

Answer:

5/2 or 0.4

Step-by-step explanation:

Blababa [14]3 years ago
4 0

Answer:

2/5

Step-by-step explanation:

since they have a common denominator, you just have to add the numerators. -2 plus 4, or 4-2 is 2.

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Step-by-step explanation:

First, we need to calculate what each answer choice will equal.

For A, it asks us to add the sales tax and then take the discount off. So, to find out what the sales tax is equal to, we multiply 720 x 0.06 (because 6% is equal to 0.06).

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Add the sales tax to the original amount and you get 763.2.

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