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ycow [4]
3 years ago
5

Use the distance formula to find the distance between the two points

Mathematics
1 answer:
Snezhnost [94]3 years ago
5 0

Answer:

9.) -2/2 = -1

10.) -6/-11 or 6/11

11.) -3/-11 or 3/11

Step-by-step explanation:

this is easy XD

So, first step the midpoint formula: (x1 + x2 / 2, y1 + y2 /2 )


9.) c(-9,-1) and D(7,3)  ----> you should know the x and y and plug in :D

10.) E(5,-5) and F(1,-6) ----> you should know the x and y and plug in :D

11.) G(-5,3) and H(2,-8)----> you should know the x and y and plug in :D

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Ainat [17]
<h2>169</h2>

In this problem, we need to use squaring method.

5² means 5 × 5

5² = 25

12² means 12 × 12

12² = 144

So, simplify these statements:

5² × 12²

25 + 12² (Simplify 5², which means 5 × 5)

25 + 144 (Simplify 12², which means 12 × 12)

We get the answer:

25 + 144 =

<h3>169</h3>

<em>Hope this helps :)</em>

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I thin the answer is D.DF

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3 years ago
The equation h=7sin(pi/21t)+28 can be used to model the height, h, in feet of the end of one blade of a windmill turning on an a
satela [25.4K]

Answer:

7 feet is the length of the blade of the windmill.

Step-by-step explanation:

We have the equation

h = 7 sin(pi/21t) + 28 ------ eq1

At time 't' = 0, the end of the blade is pointing to the right parallel to the ground meaning it is at the same height as the other end. (Ф = 0°)

So, by calculating the maximum height of this end at  Ф = 90°. we can calculate the length of the blade.

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ω is the angular frequency.

Comparing eq1 and eq2:

A = 7

so the difference in blades end height at Ф = 0° and Ф = 90° is 7 feet.

Hence, the length of the blade is 7 feet.

4 0
3 years ago
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Help pls i'll give brainliest and 20 pts just help
vodomira [7]
You add up all of the Frequencies together (to get 50)

The number 6 was rolled 9 times. So that makes it 9/50.

9/50 -> .18 or 18%

Does that help?
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