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DENIUS [597]
2 years ago
14

Find the sum. 48 + 45 + 42+...+(-81) + (-84)

Mathematics
2 answers:
tatuchka [14]2 years ago
7 0

Answer:

-30

Step-by-step explanation:

use a calculator

hope this helped

Agata [3.3K]2 years ago
4 0

Answer:

look below

Step-by-step explanation:

i dont know what that +... thing is

but when youre adding the negatives youre really just adding that number so this is just

48+45+42+81+84

45+42 is 87

now we have

48 + 87 + 81 + 84

87 + 81 is 168

48 + 84 is 132

now we have

168 + 132 and that is exactly 300

again dont know what the ... is so cant help you there

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