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3 years ago

12

(10 - 6i)/(2 + 8i) =?

1 answer:

butalik [34]3 years ago

5 0

Take to i letter in this problem mupliity it together with you would get -48i then take mupliy 10 time 2 would be 20 then after you do that you divided answer divied them an that will give you the answer.

-48/20= 24

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Limit question: lim x-->pi ((e^sinx)-1)/(x-pi)

aleksandr82 [10.1K]

$\displaystyle\lim_{x\to\pi}\dfrac{e^{\sin x}-1}{x-\pi}$

Notice that if $f(x)=e^{\sin x}$ , then $f(\pi)=e^{\sin\pi}=e^0=1$ . Recall the definition of the derivative of a function $f(x)$ at a point $x=c$ :

$f'(c):=\displaystyle\lim_{x\to c}\frac{f(x)-f(c)}{x-c}$

So the value of this limit is exactly the value of the derivative of $f(x)=e^{\sin x}$ at $x=\pi$ .

You have

$f'(x)=\cos x\,e^{\sin x}\implies f'(\pi)=\cos\pi\,e^{\sin\pi}=-1$

4 0

4 years ago

the length of a rectangle is five times it’s width. if the perimeter of the rectangle is 72 yd find its area

mrs_skeptik [129]

Answer:

Try sketching an image of the rectangle. Area = length x width. To find the perimeter you would add up the length of all four sides.

Step-by-step explanation:

7 0

2 years ago

Hello please help i’ll give brainliest

tamaranim1 [39]

Answer: The answer is D

Step-by-step explanation: It is the only option that makes sense to me.

3 0

3 years ago

Read 2 more answers

Simplify the perfect square.<br> V64

agasfer [191]

Answer:

8?

Step-by-step explanation:

Do you mean $\sqrt{64}$ ? If so, when simplified it becomes 8.

3 0

3 years ago

HURRY QUICKLY PLEASE William measures the length of three sides of a building. Place the lengths in order from greatest to least

insens350 [35]

Answer:

104m, 0.096km, 2100cm

Step-by-step explanation:

0.096 kilometres = 9600

2100 cm

104m = 10400 cm

10400, 9600, 2100

104m, 0.096km, 2100cm

Answered by Gauthmath

4 0

3 years ago