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lorasvet [3.4K]
3 years ago
14

align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
sergey [27]3 years ago
8 0
This is about 2.2 in decimal form. I don’t know what you are supposed to do.
Schach [20]3 years ago
7 0

Answer:

три три быдет три незнаю точно

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Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal plac
Fed [463]

Answer:

\theta=k\pi, \hspace{3}k\in Z\\\\ or\\\theta =2\pi k \pm arccos(\frac{1 }{8} ), \hspace{3}k\in Z\\

Step-by-step explanation:

Factor constant terms:

-2(-4sin(2\theta)+sin(\theta))=0

Divide both sides by -2:

sin(\theta)-4sin(2 \theta)=0

Expand trigonometric functions using the fact:

sin(2 \theta) =2 sin(\theta) cos(\theta)

So:

sin(\theta) -8sin(\theta)cos(\theta)=0

Factor sin(x) and constant terms and multiply both sides by -1:

sin(\theta) (8cos(\theta)-1)=0

Split into two equations:

(1)=8cos(\theta)-1=0\\\\(2)=sin(\theta)=0

For (1)

Add 1 to both sides and divide both sides by 8:

cos(\theta)=\frac{1}{8}

Take the inverse cosine of both sides:

\theta =2\pi k \pm arccos(\frac{1 }{8} ), \hspace{3}k\in Z

For (2)

Simply take the inverse sine of both sides

\theta = k \pi, \hspace{3}k\in Z

Therefore, the solutions are given by:

\theta=k\pi, \hspace{3}k\in Z\\\\ or\\ \theta =2\pi k \pm arccos(\frac{1 }{8} ), \hspace{3}k\in Z\\

8 0
3 years ago
Whats 2738372483740234 +623745265645293420= ?
Sever21 [200]

Answer:

use a calculator

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If there is 15,000 gallons of water in your basement, how long will it take the 2,500 gph
Alex Ar [27]

Answer:

6 hours

Step-by-step explanation:

well we have 15000 gallons, divided by 2500 since its gallons per hour. we have 6 hours

have a good day

4 0
3 years ago
Read 2 more answers
A triangle T is bounded (on three sides) by the lines x = 6, y = 0, and y = 3 2 x. A rectangle of width w is inscribed inside T.
Viktor [21]

Answer:

33.85 units^2

Step-by-step explanation:

you must first draw the triangle on the plane using the equations (see

attached file), you will have a right angle triangle with a height of 192 and a base of 6.

then you calculate the angle with the tangent function = 88.21

Then you use the small triangle to find the value of a (see attached file).

Finally, you propose an equation for X to find one of the sides of the triangle, once you have x squared it, and you already have the area,

i attached procedure

7 0
3 years ago
The height in feet is modelled by the function below, where the t is in
Sedaia [141]

The object reaches the lowest height at 5 seconds

<h3>How to determine the time?</h3>

The function is given as:

f(t) = -2t² +22t + 6

Differentiate the function

f'(t) = -4t +22

Set to 0

-4t +22 = 0

Subtract 22 from both sides

-4t = -22

Divide both sides by -4

t = 5.5


Remove decimal points

t = 5

Hence, the object reaches the lowest height at 5 seconds

Read more about quadratic functions at:

brainly.com/question/1214333

#SPJ1

6 0
2 years ago
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