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Mandarinka [93]
3 years ago
12

Simplify the expression (9 + 2i)(9 − 2i): 81 − 18i 81 + 18i 77 85

Mathematics
1 answer:
guajiro [1.7K]3 years ago
7 0

Answer:

Answer is 85. Can't simplify it anymore

Step-by-step explanation:

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Suzie went to a candy shop. The candy shop has a sign that shows the cost of the candies at the shop. The sign is below:
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$8.50

Step-by-step explanation:

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Multiplying everything makes the equation into:

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Adding everything makes the total cost 11.50.

Subtract 11.50 from 20, and the answer is 8.50

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3 years ago
A line has the equation y = 1/2x + 3. Convert this equation to standard form and write another equation that will have the same
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Equation of a line in standard form is Ax + By = C

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3) add 6 to both sides

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3 years ago
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Answer:

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Step-by-step explanation:

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