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Nikitich [7]
3 years ago
9

How do we solve this?

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:

B is (3, 10)

Step-by-step explanation:

The midpoint of coordinates of the 2 points (x1, y1( and (x2, y2) is

(x1 + x^2) / 2 , (y1 + y2)/2.

So if (x, y) are the coordinates of B we have:

(7 + x)/2 + (2 + y)/2 = 5 + 6

So 7 + x = 2*5 so x = 3

AND 2 + Y = 12 SO y = 10.

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A runner times herself to see how long it takes her to run different distances. The table shows the runner's times (in minutes)
Vinil7 [7]

Answer:

its b

Step-by-step explanation:

7 0
3 years ago
What is 2/5% of 820?<br><br> 1.8<br><br> 2.05<br><br> 2.88<br><br> 3.28
Margarita [4]

Answer:

D) 3.28

Step-by-step explanation:

820/x=100/2.5

(820/x)*x=(100/2.5)*x       - we multiply both sides of the equation by x

820=40*x       - we divide both sides of the equation by (40) to get x

820/40=x

20.5=x

x=20.5

now we have:

2.5% of 820=20.5

6 0
3 years ago
C. 24 mm, 24 mm, 24 mm
Lemur [1.5K]
Equilateral triangle

Explanation:
All of the sides are equal
3 0
2 years ago
How do I solve for (2√5−√3)^2?
AleksandrR [38]

Answer:

23-4\sqrt{15}

Step-by-step explanation:

So we want to simplify:

(2\sqrt5-\sqrt3)^2

Note that this is in the format:

(a-b)^2

And we know that this is the same as:

(a-b)^2=a^2-2ab+b^2

Let 2√5 be a and let √3 be b. Thus:

(2\sqrt5-\sqrt3)^2\\=(2\sqrt5)^2-2(2\sqrt5)(\sqrt3)+(\sqrt3)^2

Simplify:

=(4(5))-4(\sqrt5)(\sqrt3)+(3)\\=20-4\sqrt{15}+3\\=23-4\sqrt{15}

And this cannot be simplified any further.

5 0
4 years ago
Read 2 more answers
Can u pls help me with this question ​
PtichkaEL [24]
The answer is 4 miles and hour because at the x it is the amount of hours and 4 y falls on the line above it
3 0
3 years ago
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