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maria [59]
2 years ago
15

Multiply (9 - 4i)(2 + 5i)​

Mathematics
1 answer:
LenaWriter [7]2 years ago
4 0

Answer:

38+37i

Step-by-step explanation:

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What expression represents the perimeter of the rectangle?<br> shown below
Komok [63]

Answer:

4x + 4

Step-by-step explanation:

perimeter= breadth + length + breadth + length

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Sloan [31]

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y=3/4x+-3

Step-by-step explanation:

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3 years ago
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3 years ago
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3 years ago
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What two numbers have a sum of -7 and a difference of 14?
Ksivusya [100]

Answer:

The sum of two numbers is 14 and their difference is 10

Step-by-step explanation:

"2 numbers (x and y)

x+y = 14

and x-y + 10

If you each equation by positive 2, one gets 2x+2y = 28 and 2x-2y = 20

The 'y-terms' cancel out or equal zero when adding, so 4x = 48, divide by 4 on each side and x or the first number equals 12.

Plug 12 back into the equation for 'x' and subtract 12 on both sides so that y=2

The difference of 12-2=10 and the addition of 12 and 2 equals 14"

hopes this helps

7 0
2 years ago
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