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Mathematics

1 answer:

stiv31 [10]3 years ago

5 0

Answer:

x=1

Step-by-step explanation:

Since the four is negative, you'd add four to both sides. Negative three plus four is positive 1. Therefore x equals one.

x+-4=-3

+4 +4

x=1

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What is the sum of 12 – 5i and –3 4i? –16 63i 9 – i 9 – 9i 15 – 9i

Anarel [89]

The sum of the complex number 12 – 5i and –3 + 4i is 9 - i

<h3>How to sum complex number?</h3>

The sum of 12 – 5i and –3 + 4i can be done as follows:

Therefore,

12 - 5I + (-3 + 4i)

12 - 5i - 3 + 4i

Hence,

combine like terms

12 - 3 - 5i + 4i

Finally,

9 - i

learn more on complex number: brainly.com/question/10373914

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2 years ago

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2/9x+11/28

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3 years ago

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BlackZzzverrR [31]

Before we begin, let's cross out "the small wheel could have an 18 inch diameter". This is useless information and should be disregarded to avoid confusion. Lots of questions include extraneous information to make you second guess yourself, so it is important to be aware of what the question is asking you and what you need in order to answer it.

The formula for circumference is $\pi$ x diameter. With this formula, we can substitute the value of the diameter, 52, into the equation.

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xz_007 [3.2K]

Answer:

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Step-by-step explanation:

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