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Rzqust [24]
2 years ago
6

Find the product of these complex numbers (8+6i)(-5+7i)

Mathematics
1 answer:
spayn [35]2 years ago
3 0

Answer:

Step-by-step explanation:

= -40 + 56i -30i +42i

= 68i - 40

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To raise funds, a school sells two kinds of raffle tickets, some for $6 and the rest for $1.50 . Sales for both amounted to $822
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3 years ago
How many minutes are there in a day?
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PLEASE HELP ASAP!!!!!!!!!!!!!!!!!
Kamila [148]

Answer:

Twelve tickets cost $30 --> True

Thirty tickets cost $12 --> False

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The table is a partial rep --> True

ordered pairs --> False

Step-by-step explanation:

Twelve tickets cost $30 --> True, you can literally see that in the table

Thirty tickets cost $12 --> False, 30 is not in the table so you don't have that information. Besides, $12 is an unlikely low value for so many tickets.

Each additional costs $2.50 --> True, you can see the difference in the TotalCost column to be consistently 2.50.

The table is a partial rep --> True, values below 11 are not shown for example.

ordered pairs --> False --> Then the x value should be first, e.g., (11, 27.50), since the cost y is a function of the number x.

3 0
3 years ago
A) Work out 5% of 240
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Answer:

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Step-by-step explanation:

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