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goldenfox [79]
3 years ago
5

Find the distance between the two points rounding to the nearest tenth (if necessary). (-6,5) and (3,-7)​

Mathematics
1 answer:
Xelga [282]3 years ago
3 0
Steps:

Distance Formula = SQRT ( (X2-X1)^2 - (Y2-Y1)^2) )

Then,

X2: 3
X1: -6
Y2: -7
Y1: 5

Now,

D: SQRT ( (X2-X1)^2 + (Y2-Y1)^2) )
= SQRT ( (3+6)^2 + (-7-5)^2) )
= SQRT ( (9)^2 + (-12)^2) )
= SQRT ( 81 + 144 )
= SQRT ( 225 )
= 15

The Answer is 15 Units
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What year did i start high school if i graduate in 2017?
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2 years ago
The Tunnel of Fear ride climbs straight up to its peak 50 meters above the ground. Then, it drops 65 meters into an underground
weqwewe [10]

Answer: -15 meters


Step-by-step explanation:

Given: The Tunnel of Fear ride climbs straight up to its peak above the ground = 50 meters or +50 meters

Then, it drops into an underground tunnel  = 65 meters or -65 meters

Thus, the elevation of the tunnel relative to the ground= +50-65=-15 meters

Hence, the elevation of the tunnel relative to the ground= -15 meters.


5 0
3 years ago
Read 2 more answers
Work out the value of 3x + 2y when x=4 and y=-5
Kruka [31]

3x + 2y =

3*4 + 2*-5=

12 + -10 = 2


5 0
3 years ago
Read 2 more answers
PLEASE HELP ME WITH IT.
scoundrel [369]

OK.  I did it.  Now let's see if I can go through it without
getting too complicated.

I think the key to the whole thing is this fact:

     A radius drawn perpendicular to a chord bisects the chord.

That tells us several things:

-- OM bisects AB. 
   'M' is the midpoint of AB.
   AM is half of AB.

-- ON bisects AC.
    'N' is the midpoint of AC.
   AN is half of AC.

--  Since AC is half of AB,
     AN is half of AM.
     a = b/2 

Now look at the right triangle inside the rectangle.
'r' is the hypotenuse, so

                                            a² + b² = r²

But  a = b/2, so             (b/2)² + b² = r²

(b/2)² = b²/4                   b²/4   + b² = r²

Multiply each side by 4:     b² + 4b² = 4r²
                                       -  -  -  -  -  -  -  -  -  -  -
                                            0  + 5b² = 4r²  
Repeat the
original equation:                a² +  b² =  r²

Subtract the last
two equations:                  -a² + 4b² = 3r² 

Add  a²  to each side:              4b²  =  a² + 3r² .    <=== ! ! !
 
7 0
3 years ago
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