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andreyandreev [35.5K]
3 years ago
10

Which of the following best describes the set of all numbers of the form a+bi where a and b are any real numbers and i equals sq

uare root of -1?
A. Rational Exponents

B. complex numbers

C. complex fractions

D. Rational Exponents
Mathematics
1 answer:
Andrei [34K]3 years ago
6 0
<h3>Answer: B) Complex numbers</h3>

Complex numbers are always in the form a+bi with 'a' and 'b' as real numbers.

If b = 0 and 'a' is nonzero, then a+bi = a+0i = a which is strictly a real number

If a = 0 and b is nonzero, then a+bi = 0+bi = bi indicating that the number is now purely imaginary

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The ratio of three angle are 3:4:5 <br>what is the highest angle of the triangle??
SCORPION-xisa [38]
The sum of the sides of a triangle is equal to 180º.
The three angles will be: 3x,4x and 5x. 
we can suggest the following equation:
3x+4x+5x=180

12x=180
x=180/12
x=15

The angles would be:
3x=3(15)=45
4x=4(15)=60
5x=5(15)=75

Answer: the highest angle would measure 75º.
8 0
3 years ago
NEED HELP PLEASEEEE!
vladimir1956 [14]

Answer:

181.76

Step-by-step explanation:

The calculator gave me this answer

5 0
3 years ago
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IXL geometry please help!
Sedaia [141]
<h3>Answer: 32 degrees</h3>

================================

Work Shown:

Inscribed angle theorem

arc measure = 2*(inscribed angle)

arc ABC = 2*(angle D)

arc ABC = 2*(35)

arc ABC = 70 degrees

-------------

break arc ABC into its smaller pieces

(minor arc AB)+(minor arc BC) = arc ABC

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8 0
3 years ago
PLZZ HELP
kupik [55]

Answer:

A) (-2,0) and (6,0)

B) (0,-12)

C) (2,-16)

Step-by-step explanation:

In the graph you see below, you can tell that the two x intercepts are at (-2,0) and (6,0), while the y intercept is at (0,-12). You can also see that the vertex is at (2,-16). Hope this helps!

6 0
3 years ago
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