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Varvara68 [4.7K]
2 years ago
7

Find the exact trigonometric value: sin 255

Mathematics
2 answers:
SOVA2 [1]2 years ago
8 0
What the person said above is correct
wariber [46]2 years ago
6 0

Answer:

−0.965925826289068

Step-by-step explanation:

sin 255 = −0.965925826289068

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Find the slope of the line passing through the points (-6, 6) and (4. – 7).
postnew [5]

Answer:

\displaystyle -\frac{13}{10}

Step-by-step explanation:

To solve this problem, first you have to use the slope formula of \displaystyle \frac{y_2-y_1}{x_2-x_1}.

y2= (-7)

y1=6

x2=4

x1(-6)

Solve.

\displaystyle \frac{(-7)-6}{4-(-6)}=\frac{-13}{10}=\boxed{-\frac{13}{10}}

Therefore, the correct answer is -13/10.

6 0
3 years ago
Read 2 more answers
Braelyn is writing an equation to represent the perimeter of a rectangle with the width equal to half the length. She knows that
kramer

Answer:

I believe the answer would be 4,5,6.

Step-by-step explanation:

3 0
3 years ago
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I need help finding the anwser for 52 divided (13 x 2)
Goshia [24]

Answer:

52÷(13x2) 13×2 = 26 52÷26=2

7 0
2 years ago
What is 7 over (fraction bar) (8×4)+90÷9 ÷ (6^3)^-2 × 9 over (fraction bar) 6(5+4) = ?????
amid [387]
The answer is:  " 36 " .
_______________________________
Note:  " (8 * 4) + 90 ÷ 9 " =  " (8 * 4) + (90 ÷ 9) " = "32 + 10 = 42" .

We can rewrite the "fraction":
 
7 / [ (8 * 4) + 90 ÷ 9 ] ;  as:  \frac{7}{42} ;  

and can reduce this value to (and rewrite as):  " \frac{1}{6} " ; 
    { since:  " \frac{7}{42}  =  \frac{7/7}{42/7}  = \frac{1}{6}" .}.

Note:  The "fraction" : \frac{9}{6(5+4)} ;  the "9/6" cancel to "3/2" ; 
  {Since:  "9÷3 = 3" ; and since:  "6÷3 = 2" ).

So rewrite:  \frac{9}{6(5+4)} ; as:  

\frac{3}{2(5+4)} ;

Note:  \frac{3}{2(5+4)}  ;

       =   \frac{3}{2(9)} ;

       =   \frac{3}{18} ;

→  Note:   \frac{3}{18} ;  can be reduced to; & rewritten as:

             " \frac{1}{6} " ;

→ {since: " \frac{3}{18} =  \frac{3/3}{18/3} ;
               
                                                      =   \frac{1}{6} ;
______________________________

Note that: (6²) ⁻² = 6⁽ ² * ⁻²⁾ = 6⁻ ⁴  ;
    
                            =  \frac{1}{6^4} ;
_________________________________________________________
So, we can rewrite our expression as:

 \frac{1}{6}  ÷  \frac{1}{6^4}  *  \frac{1}{6} ;
_________________________________________________________
Note:  
_________________________________________________________
 \frac{1}{6}  ÷  \frac{1}{6^4}  *  \frac{1}{6} ;

= ( \frac{1}{6}  ÷  \frac{1}{6^4} ) *  \frac{1}{6} ; 

= ( \frac{1}{6}  *   \frac{6^4}{1} ) *  \frac{1}{6} ;

________________________________________________________
Start with :
________________________________________________________
   → ( \frac{1}{6}  *   \frac{6^4}{1} ) ;

            The "6" in  the  " \frac{1}{6} " ;  cancels to a "1" ; 
       and the "6⁴ " in the "  \frac{6^4}{1} ) " ; cancels to a "6³ " ;

         → {Since:  "6⁴ / 6  =  6⁴ / 6¹  =  6⁽⁴ ⁻ ¹⁾  = 6³ ;

         → and we have:   \frac{1}{1}  *  \frac{6^3}{1} ;
 
         →  The " \frac{1}{1} " can be eliminated; since "1÷1= 1 " ;
               and since: any value, divided by "1", equal that same value; & since "any                       value, multiplied by "1"; equals that same value" ;
________________________________________________________
 We have:  " 6³ " .
________________________________________________________

Now, we multiplied this value, " 6³ " , by  " \frac{1}{6} " ;

→  6³  *  \frac{1}{6}  ;

     =  \frac{6^3}{1} * \frac{1}{6}  ;

Note:  The "6³ " cancels out to "6² " ;  and the "6" cancels out to "1" ; 

          {since:  "6³ ÷ 6 = 6³ ÷ 6¹ = 6⁽³ ⁻ ¹⁾ = 6² " ;
            and since:  "6 ÷ 6 = 1 "  ; ________________________________________________________
→ The answer is:  6² = 6 * 6 = 36 ;
________________________________________________________
The answer is:  " <span>36 " .</span>
________________________________________________________
7 0
3 years ago
Please help me I need to pass this
Lyrx [107]

Answer:

5

-7

36

Step-by-step explanation:

if the center is (5,-7) the first part must look like

(x-5)²+(y+7)²

to find the raidus plug in 5 for x and -1 for y

(5-5)²+(-1+7)²

0²+6²=36

36

7 0
3 years ago
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