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igor_vitrenko [27]
3 years ago
12

Whats 1+1+2+2+3+3+4+4+5+5+6+6+7+7+8+8+9+9

Mathematics
2 answers:
k0ka [10]3 years ago
3 0

Answer:

90 is your answer

Step-by-step explanation:

first I just added all similar numbers together, then I added the answers of all the similar numbers together one-by-one, finally we find our answer, 90

nordsb [41]3 years ago
3 0

Answer:

Its 90

Step-by-step explanation:

I used a calc.....

1 + 1 + 2 + 2 + 3 + 3 + 4 + 4 + 5 + 5 + 6 + 6 + 7 + 7 + 8 + 8 + 9 + 9= 90

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3 years ago
3x + 7 equal 13x equal -2X equal to 2X equals 5
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3x + 7 = 13

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6 0
2 years ago
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REY [17]
ANSWER:

A ) It also increases.

EXPLANATION:

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8 0
2 years ago
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Answer:

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Step-by-step explanation:

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8 0
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Answer:

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