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Ne4ueva [31]
3 years ago
6

Write -2i + (9 − 3i) − (6 − 10i) as a complex number in standard form.

Mathematics
2 answers:
vovikov84 [41]3 years ago
8 0

Answer:

5i+3

Step-by-step explanation:

Given the expression

-2i + (9 − 3i) − (6 − 10i)

Where i² = -1 (complex number rule)

Therefore,

-2i + 9-3i-6+10i

Collecting like terms gives

5i+3

Vika [28.1K]3 years ago
6 0
<span>-2i + (9 − 3i) − (6 − 10i)
-2i - 3i + 10i + 9 - 6
5i + 3
3 + 5i</span>
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AB is tangent to the circle at B. M∠A=40 and mBC=130. <br> a. Find x <br> b. Find y
soldi70 [24.7K]

The values for x and y are respectively given as

  • x = 50
  • y= 90

This is further explained below.

<h3>What is the values for x and y ?</h3>

Generally, the equation for secent  is  mathematically given as

secent = \frac{big arc - small arc}{2}

Therefore

40 = \frac{130-x}{2}

80 = 130-x

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b) To Solve for y Now we find a measure of arc CD

ArcCD = 360-130-50

ArcCD = 180

In conclusion,(1/2) of the arc measure is equal to the angle that is on and inside a circle.

y = 180/2

y= 90

Read more about circle

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2 years ago
Product of four in the decreased by 14 times 6 gives 18
fenix001 [56]

I'm guessing we are solving for a unknown variable? This question is hard to understand, if you are not solving for a unknown variable than tell me in the comments and ill fix my answer

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3 years ago
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3 1/4 lbs.....1 lb = 16 oz......3 1/4 * 16 = 13/4 * 16 = 52 oz <==


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4 years ago
2) A jacket that is regularly priced at $175 is on sale, at a discount of 35%.
Mandarinka [93]

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I hope this helps and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

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Mariulka [41]
The answer for the ones you've marked.
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