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Georgia [21]
2 years ago
5

What is the x-coordinate of the midpoint of the segment between (4 , -5) and (8 , 2)?

Mathematics
1 answer:
brilliants [131]2 years ago
8 0

Answer: -5

Solution: Calculate the midpoint of a segment defined by two points A(Xa , Ya) and B(Xb,Yb). The midpoint is a point whose x and y coordinates are given by

X coordinate of Midpoint= (Xa+Xb) / 2

Y coordinate of Midpoint= (Ya+Yb) / 2

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Can someone please help me with this question?? It’s really hard and once you understand it, can you please give me an explanati
Thepotemich [5.8K]

We want to subtract 8x + 3 from -2x+5. We can create an expression to represent this.

-2x + 5 - (8x + 3).


After this, lets distribute the - sign (think of this like expanding something with -1).

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Lastly, we just need to combine like terms.

-2x + 5 - 8x - 3


Combine the 5 and -3 to get 2.

-2x + 2 - 8x


Combine the -2x and -8x to get -10x.

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The final answer to the question is therefore A.

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A figure has an area of 64 unit square which describes the area of the figure after a dilation with a scale factor of 3/2
eduard

Answer:

It's 144 units^2

Step-by-step explanation:

You have to take your 3/2 and square it, turning it to 9/4 and multiply that by 64, which gives you 144.

7 0
2 years ago
What is 2 x 1 + 2 x 24/4 help I will mark good
Irina-Kira [14]

Answer: 16

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We follow BIMDAS.

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7 0
3 years ago
A cylindrical can is to have volume 1500 cubic centimeters. determine the radius and the height which will minimize the amount o
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Assuming R and H:
So volume is pir^2 * H = 1500 and H = 1500/(pir^2)  while surface area is A= 2pir*H + 2pir^2 
A = 2pir(r+h)= 2piR^2 + 2pir*1500/(pir^2)= 2piR^2 + 3000/r
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h = 1500/(pi(6.20)^2) ≈ 12.42
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3 years ago
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