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Sergeeva-Olga [200]
3 years ago
7

IF YOU HELP ME ILL give U 2$ AFTER UR DONE

Mathematics
1 answer:
nordsb [41]3 years ago
4 0

Answer:

LOL i dont need money jus mark me brainliest :P

Step-by-step explanation:

distance = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}

AB = \sqrt{(6--2)^2 + (2-4)^2} = \sqrt{8^2 + 2^2} = \sqrt{68}\\\\BC = \sqrt{(1-6)^2 + (-1-2)^2} = \sqrt{5^2 + 3^2} = \sqrt{34}\\\\AC= \sqrt{(1--2)^2 + (-1-4)^2}} = \sqrt{3^2 + 5^2 }   = \sqrt{34}

Clearly, this\ satisfies \ the\ Pythagoras\ theorem : AC^2 = AB^2 + BC^2

                                                                      (\sqrt{68})^2 = (\sqrt{34} )^2 + (\sqrt{34} )^2\\\\68 = 34 + 34 \\68 = 68\\Hence\ satisfies .

Therefore,  the triangle ABC is a right angle triangle.

You might be interested in
An office girl buys 12cent and 8cent stamps. It she spends
katrin2010 [14]

Answer:

x=25

Step-by-step explanation:

x+y=100 (y being number of 8¢ stamps)

12x+ 8y = 900

-----------------------------------

y = 100-x

12x + 8y = 900

----------------------------------------

12x + 8(100-x) = 900

12x + 800 - 8x = 900

12x - 8x = 900 - 800

4x = 100

x=25

7 0
3 years ago
Find the nth term of the AP -2 -5 -8....
timofeeve [1]

Answer:

an = -2 -3(n-1)

Step-by-step explanation:

an = a1+(n-1) d

a1 =-2

d = -5--2

d = -5+2

d=-3

we are decreasing by 3 each time

an = -2 + (n-1) * -3

an = -2 -3(n-1)

3 0
3 years ago
The sum of 10 consecutive integersstarting with 11, equals the sum of 5 consecutive integers, starting with
kaheart [24]

Answer: \large\boxed{29}

Step-by-step explanation:

The sum of 10 consecutive integersstarting with 11

= 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 155

Lets try 29:

29 + 30 + 31 + 32 + 33 = 155

Therefore our answer is:

\large\boxed{29}

3 0
2 years ago
Identify the factors of the terms of the expression of 13m-2n
Alex Ar [27]
Hi it is 7n I hope I was right
4 0
3 years ago
Please help me answer this
Ad libitum [116K]

Answer:

option c

Step-by-step explanation:

<em>Step 1: Multiply each number in matrix A by -4</em>

( -4x-4    -4x-4    1x-4  )          

( 1x-4      4x-4      7x-4)    

( 2x-4     3x-4      3x-4)

( 16       16     -4 )

( -4      -16    -28)        

( -8     -12      -12)

<em>Step 2: Multiply each number in matrix B by 8</em>

( 2x8    9x8    -9x8  )

( 8x8    8x8     -2x8 )    

( 4x8    10x8      1x8 )

( 16    72    -72  )

( 64    64    -16  )    

(32     80      8  )

<em>Step 3: Form the matrix of -4A + 8B by adding the correspondent numbers in the matrix.</em>

( 16+16   16+72    -4-72  )

( -4+64  -16+64   -28-16 )      

( -8+32   -12+80    -12+8)

( 32    88    -76 )

( 60    48     -44)        

( 24    68      -4 )

Therefore option c is correct.

!!

7 0
4 years ago
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