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SVEN [57.7K]
1 year ago
14

Sin500-sin700+sin100​

Mathematics
1 answer:
EastWind [94]1 year ago
7 0

Answer:

−1.518108

Step-by-step explanation:

pretty sure this is it, if not just message me and ill be more than happy to help you out :)

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Mary walks 4 miles north and then turns and walks 5 miles west. How far is she from her original starting point?
dusya [7]
Answer:  6.403 miles; or, write as:  6.403 mi.  .
__________________________________________________
Explanation:
_________________________________________________





                                5
--------------------------------------------
`                             right angle   |_ |
   `          (right triangle )                 |
         `                                               |    4 
             `                                           |
                      `    
       "c"                        `                  \        
 (hypotenuse)                          Starting point
                     
__________________________________________________
Since we have a "right triangle, we solve for "c"; using the 
"Pythagorean theorem" ; 
_______________________________________________________
→  a² + b² = c² ; Solve for "c" ; our answer (in "miles"; or, "mi.") ;
__________________________________________________
Given : a = 4; b = 5 ; 
____________________________
Plug these known values into our equation:
________________________________________
 → 4² + 5² = c² ; 
____________________________
 → 16 + 25 = c² ;  ↔  c² = 16 + 25 ;
______________________________
 → c² = 41 ; 
_______________________________
 → Take the positive square root of each side of the equation (since the side of a "triangle" cannot be "negative"; 
__________________________________
 → √(c²) = √(41) ; 
_____________________________
 → c =  √41 ; Use calculator;
________________________________
 → c =  6.40312423743 ; Round to:  

 → c = 6.403 miles; or, 6.403 mi. 
__________________________________________

 

5 0
3 years ago
Please help, awarding brainliest and extra points
Svet_ta [14]

Answer:

to get that just divied i wanna say

Step-by-step explanation:

3 0
2 years ago
The sum of the digits of a two-digit number is 5. If nine is subtracted from the number, the digits will be reversed. Find the n
Komok [63]
The number is 32
X-9=23
5 0
3 years ago
Which of these is the best reason to carry out scientific research on environmental issues?
julia-pushkina [17]

Answer:

The correct option is B) To help people prepare for the future.

Step-by-step explanation:

The other three options are irrelevant to scientific research on environment .

Hence the correct option is B)

4 0
3 years ago
I Think it’s D, This is my Final Test is D Right?
ser-zykov [4K]

Answer:

Sorry you wrong, it’s actually A.

Step-by-step explanation:

6 0
2 years ago
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