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sesenic [268]
3 years ago
14

What is the conjugate of -4 + 5i

Mathematics
2 answers:
andrew-mc [135]3 years ago
8 0

Answer:

To find the conjugate of a complex number we just change the sign of the imaginary part.

-4 + 5i = -4 -5i

masya89 [10]3 years ago
8 0

Answer:

-4-5i

Here is ur answer mate

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You have $135 in a savings account and save $12 per week. Your friend has $95 in a savings account and saves $20 per week. How m
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Answer:

It will take 5 weeks for you and your friend to have the same balance

Step-by-step explanation:

Let

Your savings expression be

135 + 12x

Your friends savings expression

95 + 20x

Where,

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Equate the two expressions

135 + 12x = 95 + 20x

Collect like terms

135 - 95 = 20x - 12x

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Divide both sides by 8

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x = 40/8

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Check

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Your friends savings expression

95 + 20x

95 + 20(5)

= 95 + 100

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Therefore, It will take 5 weeks for you and your friend to have the same balance

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Step-by-step explanation:

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