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Nikolay [14]
3 years ago
13

Simplify: 2 + 5i / 3 - 2 i

Mathematics
2 answers:
Eva8 [605]3 years ago
7 0
2+5x4x3x2x1/3-2x1=122
dmitriy555 [2]3 years ago
6 0

Answer:

              \bold{2+\frac{5i}3-2i=2-\frac{1}3i}

or if you mean (2 + 5i)/(3 - 2i) at complex numbers

              \bold{\dfrac{2+5i}{3-2i}=\dfrac{-4+19i}{13}=-\frac{4}{13}+1\frac{6}{13}\,i}.

Step-by-step explanation:

\bold{2+\frac{5i}3-2i=2+\frac{5i}3-\frac{6i}3=2-\frac{1}3i}

But I think you mean:  (2 + 5i)/(3 - 2i) and complex numbers.

Then:

\dfrac{2+5i}{3-2i}=\dfrac{(2+5i)(3+2i)}{(3-2i)(3+2i)}=\dfrac{6+4i+15i+10i^2}{9+6i-6i-4i^2}=\dfrac{6+19i-10}{9+4}=\dfrac{-4+19i}{13}

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I tried 90 but it’s not right, what would it be? HELP PLEASE!!!!
dangina [55]

Answer:

  m∠DBF = 92°

Step-by-step explanation:

The given statements tell you that points E and F are midpoints of their respective sides of the triangle. Hence EF is parallel to AB and ...

  ΔABC ~ ΔEFC

That means ∠DBF ≅ ∠EFC and their measures are 92°.

3 0
2 years ago
To rent a jet ski at Hayden’s cost is $25 plus $3 per hour. At Austin’s, it costs $5 plus $8 per hour. At how many hours will th
Katen [24]
<u>At Hayden's:</u> 

(25+3)= \ 28+3 \ (2nd \ hour)=31+3 \ (3rd \ hour)=34+3 . . . \swarrow\swarrow \\ \ \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow \Longrightarrow  \boxed{34+3=37}= \ (4rth \ Hour)

<u>At Austins:</u> 

(5+8)= \ (first \ hour) = 13+8= \ 21 = (2nd \ hour) \ 21+8=29= \ \swarrow \\ \longrightarrow \ 29=(3rd \ hour)=\boxed{ 29+8= (37)= \ ((Forth \ hour))}

As we can see in both results, it would take them (4 hours) for the prices to be equaled.
3 0
3 years ago
What is the value of s in the equation 3r = 10 + 5s, when r = 10?
kupik [55]
S = 4

3(10) = 10 + 5s
30 = 10 + 5s
30 - 10 = 5s
20 = 5s
20 ÷ 5 = s
4 = s
4 0
3 years ago
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Step-by-step explanation:

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