3 years ago

Divide the complex numbers. 3+9i/8+i

Mathematics

2 answers:

Andre45 [30]3 years ago

8 0

Answer:

33/65 + 69/65i

Step-by-step explanation:

inessss [21]3 years ago

7 0

Answer: The answer is 3+17 i/8

Step-by-step explanation:

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Given right triangle DEF, what is the value of sin(E)?<br> A. 3/5<br> B. 3/4<br> C. 4/5<br> D. 4/3

wariber [46]

Answer: OPTION A.

Step-by-step explanation:

First you must calculate the lenght of the side DF by applying the Pythagorean theorem, as following:

$DE=\sqrt{10^{2}-8^{2}}=6$

Now you can find sin(E) as you can see below:

$sin\alpha=opposite/hypotenuse$

Where:

$\alpha=E\\opposite=DF=6\\hypotenuse=EF=10$

Then:

$sin(E)=6/10$

$sin(E)=3/5$

8 0

3 years ago

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Help this this is due today

Olegator [25]

Answer:

x=3

Step-by-step explanation:

Simplify 3(x-2)+5X

= 8x-6=18

Add 6 to both sides

8x=24

Divide by 8

x=3

7 0

2 years ago

Reflect (10,-8) over the x-axis

cricket20 [7]

Answer:

(10,8)

Step-by-step explanation:

Symmetry over x axis: you keep x, but change the sign of y value.

So, the symmetric of (10,-8) is (10,8)

3 0

3 years ago

PLEASE HELP ME ASAP!!

Anni [7]

Answer:

nine less than the product of five and seven

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2 years ago

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If (x-1)/(x)=20 then x=

nadezda [96]

$D:x\neq0\\\\\frac{x-1}{x}=20\ \ \ \ |cross\ multiply\\\\20x=x-1\ \ \ \ |subtract\ x\ from\ both\ sides\\\\19x=-1\ \ \ \ \ \ |divide\ both\ sides\ by\ 19\\\\\boxed{x=-\frac{1}{19}}$

6 0

3 years ago

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