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ella [17]
2 years ago
12

What are the dimensions of the matrix [1 0] [-2 3] [4 -9]

Mathematics
1 answer:
photoshop1234 [79]2 years ago
7 0
I believe I could be wrong, but I believe the answer is a triangle!
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Plzz i need help with this can somebody help me?
Olin [163]

Answer:

the answer is b

Step-by-step explanation:

if u divide .14 by .2

its gonna give u .8

2 times 8 is 16 but there are two decimals so its .16

hope this helps

6 0
2 years ago
What is the value of 3 ^ -3
mestny [16]

Answer:

\frac{1}{27}

Step-by-step explanation:

3^{-3}\\=\frac{1}{3}^{3}\\=\frac{1}{27}

5 0
3 years ago
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
In the diagram, the length of Line segment Y Z is twice the length of Line segment A Z.
11Alexandr11 [23.1K]

Answer:

5 startrood 3 endroot units .

6 0
1 year ago
In 1.8 s, a smart and swift dachshund caught his prey that was 8.5 m away what was the dogs speed?​
Paul [167]
The answer is 11 miles per hour
8 0
2 years ago
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