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sweet-ann [11.9K]
3 years ago
5

Write (-5+8i)+(-5-8i) as a complex number in standard form

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
5 0
(-5+8i)+(-5-8i) =
-5+8i-5-8i=-10
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2x+3y=9<br> 2x+y=7<br> simultaneous equation
Marat540 [252]

Answer:

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Step-by-step explanation:

subtract equation 2 from 1

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substitute y value in 2x+y=7

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A - B - C = 
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Jlenok [28]

Answer:

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2 years ago
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Write two number so that the value of the digit 9 in the second number is 10 times the value of digit 9 in the first number ?
Elza [17]
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3 0
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