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Kisachek [45]
3 years ago
13

given the midpoint and one endpoint of a line segment, find the other endpoint. endpoint: (4, 10) midpoint: (5, 9)

Mathematics
1 answer:
GalinKa [24]3 years ago
4 0
The answer is (6, 8).

EXPLANATION

If you are given two numbers, you can find the number exactly between them by averaging them, by adding them together and dividing by two. The Midpoint Formula works exactly the same way. If you need to find the point that is exactly halfway between two given points, just average the x-values and the y-values.

That is:

( \frac{x1 + x2}{2}. \frac{y1 + y2}{2} )

But since the midpoint is given, we'll work this out in a different way.

To find the x of the other endpoint or x2, we'll have first to plug-in the given x values in the midpoint and x1.

So,

m = \frac{x1 + x2}{2} \\ 5= \frac{4 + x2}{2}\\ 10= 4 + x2 \\ x2 = 6

Now, let's proceed to y2.

m = \frac{y1 + y2}{2} \\ 9= \frac{10 + y2}{2}\\ 18= 10 + y2 \\ y2 = 8

So now you have the x and y values of the other endpoint: (6,8).
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I need the measure of angle 6
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Answer:

125°

Step-by-step explanation:

x + 24 is equal to 1.

6 is equal to 4x + 1

1 and 4x + 1 = 180°

x + 24 + 4x + 1 = 180

4x + x + 24 + 1 = 180

5x + 25 = 180

5x = 180 - 25

5x = 155

5x/5 = 155/5

x = 31

(angle) 6 = 4x + 1

(angle) 6 = 4(31) + 1

(angle) 6 = 124 + 1

(angle) 6 = 125°

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The price of an item has dropped to 77$ today. Yersterday it was 140$. Find the percentage decrease.
Yuki888 [10]

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5 0
2 years ago
Math <br>need help with my homework
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3 0
3 years ago
BD is the angle bisector of
AlexFokin [52]

Note: Let us consider, we need to find the m\angle ABC and m\angle DBC.

Given:

In the given figure, BD is the angle bisector of ABC.

To find:

The m\angle ABC and m\angle DBC.

Solution:

BD is the angle bisector of ABC. So,

m\angle ABD=m\angle DBC

3x=x+20

3x-x=20

2x=20

Divide both sides by 2.

x=\dfrac{20}{2}

x=10

Now,

m\angle DBC=(x+20)^\circ

m\angle DBC=(10+20)^\circ

m\angle DBC=30^\circ

And,

m\angle ABC=(3x)^\circ+(x+20)^\circ

m\angle ABC=(4x+20)^\circ

m\angle ABC=(4(10)+20)^\circ

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m\angle ABC=60^\circ

Therefore, m\angle DBC=30^\circ,m\angle ABD=30^\circ and m\angle ABC=60^\circ.

8 0
2 years ago
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