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rjkz [21]
3 years ago
9

Someone please help me do this...

Mathematics
1 answer:
kvv77 [185]3 years ago
5 0
Formula for coordinates of midpoint,

x= (x1+x2)/2
y=(y1+y2)/2,

where (x1,y1), (x2,y2) coordinates of the end-points. 

-1=(x1-8)/2
-2=x1-8
x1=-2+8
x1=6

1=(y1+4)/2
2=y1+4
y1=2-4
y1= - 2

K(6,-2)

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If Michael bought the 5 m how many inches did she walk
faltersainse [42]

Answer:

1 meter = 39.370 inches.....so 5 meters = (5)(39.370) = 196.85 inches




7 0
3 years ago
Okay hear this someone came into my shop and stole $100 without my knowledge they came back to the store and spent $70 in items
cricket20 [7]
You lost $60.

-$100 + $70 - $30 = -$60


5 0
3 years ago
Read 2 more answers
PLEASE HELP WILL REWARD!
inessss [21]

Answer:

A dilation with a scale factor of 2

Step-by-step explanation:

We know this because the coordinates of ABCDE were multiplied by 2

ex A coordinates are (4,-4) b coordinates are (8,-8) the coordinates were multiplied by 2

8/4=2

-8/-4/=-2

8 0
3 years ago
Which expression is equivalent to 4(x + 6)?
ankoles [38]
I think D.

4(x+6)
4x + 4•6
4x + 24
3 0
3 years ago
Read 2 more answers
Y=-1/2x +7
yarga [219]

Answer:

B; (2,-4)

Step-by-step explanation:

The general equation of a straight line is;

y = mx + b

where m is the slope and b is the y-intercept

So from the question, when we look at the given equation, its slope is -1/2

mathematically, when two lines are perpendicular, the product of their slopes is -1

thus;

m1 * m2 = -1

m2 * -1/2 = -1

-m2 = -2

m2 = 2

The general equation form is;

y-y1 = m(x-x1)

where (x1,y1) = (4,0)

y-0 = 2(x-4)

y = 2x - 8

So, now we look at the point that will work for this equation

For the line that will work, if we substitute its x-value, we get the y-value

Let us take a look at option B

y = 2(2) -8 = 4-8 = -4

we can see that (2,-4) works

4 0
3 years ago
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