Mathematics, 27.09.2019 01:00 winterblanco
Simplify the expression (4 + 5i)(4 - 5i).
16 - 20i
16 + 20i
-9
41
Answers: 2
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Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.
Answers: 1
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The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c
Answers: 1
Simplify the expression (4 + 5i)(4 - 5i).
16 - 20i
16 + 20i
-9
41...
16 - 20i
16 + 20i
-9
41...
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