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1 year ago

Solve please will mark brainliest

Mathematics

1 answer:

Whitepunk [10]1 year ago

6 0

Hello! for this equation the formula is:
a times (a+b)= c times (c+d)

4 times (4+18)=4 times 22=88
88=6 times (6+x)=6x+36
88=6x+36
88-36=6x
6x=52

x= 8 and 2/3

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Help!! Which of the following best represents Z1 • Z2 select all that apply

AURORKA [14]

$z_1=\sqrt{3}\left(cos\:\frac{\pi }{4}+i\:sin\:\frac{\pi }{4}\right)$

$z_2=\sqrt{6}\left(cos\:\frac{3\pi \:}{4}+i\:sin\:\frac{3\pi \:}{4}\right)$

$\cos \left(\frac{\pi }{4}\right)=\frac{\sqrt{2}}{2}$

$\sin \left(\frac{\pi }{4}\right)=\frac{\sqrt{2}}{2}$

$\cos \left(\frac{3\pi }{4}\right)=-\frac{\sqrt{2}}{2}$

$\sin \left(\frac{3\pi }{4}\right)=\frac{\sqrt{2}}{2}\\$

$Z_1*Z_2=\sqrt{3}\left(cos\:\frac{\pi }{4}+i\:sin\:\frac{\pi }{4}\right)\cdot \sqrt{6}\left(cos\:\frac{3\pi \:}{4}+i\:sin\:\frac{3\pi \:}{4}\right)$

$=\sqrt{3}\left(\frac{\sqrt{2}}{2}+\:i\frac{\sqrt{2}}{2}\right)\cdot \sqrt{6}\left(\frac{-\sqrt{2}}{2}+\:i\frac{\sqrt{2}}{2}\right)$

On simplifying, we get

$Z_1* Z_2 =-3\sqrt{2}$

<h2>Therefore, correct option is 1st option.</h2>

3 0

2 years ago

Can you plz mee!!!<br> You can get 10 points.

Harman [31]

Answer:

i think a

Step-by-step explanation:

you said 10 i see five

3 0

2 years ago

Read 2 more answers

Sophie is ordering a taxi from an online taxi service The taxi charges $3.50 just for the pickup and then an additional $1.25 pe

coldgirl [10]

Answer:

$8.50

And I’m sorry it looks like a number is missing from the second question

Step-by-step explanation:

3.5+(4*1.25)=8.5

5 0

2 years ago

The full question.the full question you were asking for

Svetlanka [38]

Answer:

I'm getting stuck by

$= lim \: \: \: \: \: \: \frac{ {h}^{ \frac{1}{5} } }{h} \\ h > 0$

Sorry I can't help you out, if you find the answer through FP lmk

7 0

1 year ago

Sine, cosine, and tangent? How would I use them? And they have negatives?

zhannawk [14.2K]

Answer: Sine - Sin

Tangent - Tan - Cosine - Cos

or inverse Cos-1 - Sin-1 - Tan-1

Step-by-step explanation:

You would use Sine - Sin for Opposite over hypotenuse

to check it you'd use Sin-1 that is just Sine but inverse that helps you get the answer- I just learned this stuff so bare with me but all of it is the same

I'm hoping I helped give you a small clue

4 0

2 years ago