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Digiron [165]
3 years ago
8

Find the value of angle "A" and angle "B".​

Mathematics
2 answers:
Daniel [21]3 years ago
3 0

the anwser is 119

because 180-61 =119

Svet_ta [14]3 years ago
3 0

Answer:

119 degrees

Step-by-step explanation:

I don't know where the angle "B" is, but angle "A" is 119 degrees

a straight line = 180 degrees

180 - 61 = 119

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Simplify the following expression below:
IrinaK [193]
So, 4/3 - 2i

4/3 - 2i = 12/13 + i8/13

multiply by the conjugate: 
3 + 2i/3 + 2i
= 4(3 + 2i)/(3 - 2i) (3 + 2i)
(3 - 2i) (3 + 2i) = 13

(3 - 2i) (3 + 2i)

apply complex arithmetic rule: (a + bi) (a - bi) = a^2 + b^2
a = 3, b =  - 2
= 3^2 + (- 2)^2

refine: = 13
= 4(3 + 2i)/13

distribute parentheses:
a(b + c) = ab + ac
a = 4, b = 3, c = 2i
= 4(3) + 4(2i)

Simplify:
4(3) + 4(2i)
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4(3) + 4(2i)
Multiply the numbers: 4(3) = 12
= 12 + 2(4i)

Multiply the numbers: 4(2) = 8
= 12 + 8i


   12 + 8i
= 12 + 8i/13

Group the real par, and the imaginary part of the complex numbers:


Your answer is: 12/13 + 8i/13





Hope that helps!!!
7 0
3 years ago
What is /-3/*-6?<br><br> When you answer could you please explain to me why the answer is that?
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8 0
3 years ago
What is the measure in radians for the central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm? Ente
natulia [17]

The measure in radians for the central angle of the circle is; 0.9 radians.

<h3>What is the angle measure in radians of the central angle?</h3>

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It follows that the angle measure of the central angle can be evaluated as follows;

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A = 7.2/8

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Read more on radian measure;

brainly.com/question/19758686

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