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2 years ago

10

Point Z is the circumcenter of ΔTUV.

2 answers:

Darya [45]2 years ago

8 0

Answer:

32.8

Step-by-step explanation:

Vsevolod [243]2 years ago

7 0

Answer:

32.8

Step-by-step explanation:

Since the angles given are 90 degrees and 57.2 you can add those together then subtract them from 180 to find the answer 32.8.

180 - 90 + 57.2 = 32.8

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Find all solutions to the equation.<br><br> cos^2x + 2 cos x + 1 = 0

natali 33 [55]

$\bf cos^2(x)+2cos(x)+1=0\implies \stackrel{\textit{let's notice, this is simply }ax^2+bx+c=0}{[cos(x)]^2+2cos(x)+1=0} \\[2em] [cos(x)+1][cos(x)+1]=0 \\\\[-0.35em] ~\dotfill\\\\ cos(x)+1=0\implies cos(x)=-1\implies x=cos^{-1}(-1)\implies \stackrel{\textit{for the range }[0,2\pi ]}{x=\pi } \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{\textit{all solutions}}{x=\pi +2\pi n~~,~~ n \in \mathbb{Z}}~\hfill$

6 0

2 years ago

What is an equation of the line that passes through the points (6, -3)and (−6,−5)?

Lady_Fox [76]

Answer:

y = 1/6x -4

Step-by-step explanation:

First find the slope

m= ( y2-y1)/(x2-x1)

m=(-5 - -3)/( -6 -6)

= (-5+3)/ (-6-6)

= -2/-12

= 1/6

The slope intercept form is

y= mx+b where m is the slope and b is the y intercept

y = 1/6 x +b

Substitute a point into the equation

-5 = 1/6(-6) +b

-5 = -1+b

Add 1 to each side

-4 = b

y = 1/6x -4

4 0

2 years ago

Read 2 more answers

3. What is the solution to the equation x3 = = 216 <br><br>A. 72<br> B. 27 <br>C. 8<br> D.6

Elanso [62]

Answer:

I assume that the question is $x^{3} = 216$

6 * 6 = 36 35*6 = 216

in other words 6*6*6 = 216

Step-by-step explanation:

5 0

1 year ago

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Please Help! 39 and 40 please!!! :D

Pavel [41]

Answer:

Look below.

Step-by-step explanation:

39.

10+ = 149 times x

3 - 9 = 143 times x

40.

2(w times 1.5 + w)

6 0

2 years ago

What is 2x times 34 divided by 40

castortr0y [4]

(2x * 34) / 40
= 68x / 40
= 1.7x

4 0

2 years ago

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