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Ray Of Light [21]
3 years ago
13

Point A is located at (−1,−5). The midpoint of line segment AB is point C(2,3). ​ What are the coordinates of point B ?

Mathematics
1 answer:
tamaranim1 [39]3 years ago
7 0

For a segment AB, the coordinates of the middle point C are:

xc=(xa+xb)/2,

yc=(ya+yb)/2.

Now, you know points A and C. Thus we get:

xb=2×xc-xa

yb=2×yc-ya

With numerical values:

xb=2×2-(-1)=4+1=5

yb=2×3-(-5)=6+5=11

Answer: B(5, 11)

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mart [117]

Answer:

he added the dimensions of the rectangle. He used the wrong formula. the formula he used was length + breadth. He should have multiplied by 2

6x + 8y +8

Step-by-step explanation:

Perimeter of a rectangle = 2 x (L + B)

L = length

b = breadth

2 (3x + 4y + 4. ) = 6x + 8y +8

5 0
3 years ago
Find the difference 1-(5)​
bazaltina [42]

Answer:

-4

Step-by-step explanation:

Subtract 1 - 5 = -4...

Since 1 is less than 5, we know that the difference is negative, so we can rewrite this expression as -(5-1).

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6 0
3 years ago
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The sum of two numbers is <br> 50<br> and the difference is <br> 28<br> . What are the numbers?
elixir [45]
50-28=22

the numbers would be 28+22

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3 0
3 years ago
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(5x²+2) - (-4x²+7)+(-3x²-5)
svp [43]

Answer:

6x^2   -10

Step-by-step explanation:

(5x²+2) - (-4x²+7)+(-3x²-5)

Distribute the minus sign

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Combine like terms

5x²+4x²-3x²  +2-7-5

6x^2              -10

6 0
3 years ago
Can some please help me
krok68 [10]
Domain (2 to 4)
Range (-2 to 8)
It’s not a function because there are three points with the x value of 3.
8 0
3 years ago
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