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Nookie1986 [14]
3 years ago
7

Which addition expression

Mathematics
1 answer:
Natali5045456 [20]3 years ago
7 0
B. (9+4i)+(-1-7i)

This is because when you add the terms, the 9 becomes an 8 and the 4i becomes a negative 3i.
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lyn put 3 7/8 gas in her gas tank. If there are now 18 1/6 gallons in her tank, how many gallons did she start with?
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You need to be careful here if you use basic subtraction, simply as two minus would change to addition.

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Step-by-step explanation:

The xxx-coordinate of BBB is 333 less than the xxx-coordinate of AAA, or 8 - 38−38, minus, 3.

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The coordinates of BBB are (5, -7)(5,−7)left parenthesis, 5, comma, minus, 7, right parenthesis.

answer (5,-7)

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