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sergeinik [125]
3 years ago
10

Find the distance between the points (2,8) and (-1,9)

Mathematics
1 answer:
Sphinxa [80]3 years ago
7 0

Use the distance formula: D=sqrt((x2-x1)^2+(y2-y1)^2)

Plug in:

D=sqrt((9-8)^2+(-1-2)^2)

D=sqrt(1^2+(-3)^2)

D=sqrt(1+9)

D=sqrt(10)

So the distance is about 3.16 units

Hope this helped!

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yKpoI14uk [10]
You’re gonna wanna round up both sides of your equation which will give u 224, then divide both by 16 which will leave u with 178
7 0
2 years ago
What is the exact length of arc AB? ​
dsp73

Answer:

π m

Step-by-step explanation:

Arc length = 2πr\frac{0}{360}

where r = radius and 0 = central angle

The given radius is 4m and the given central angle is 45°

Thus, arc length = 2π4\frac{45}{360}

* simplify *

( note when simplifying we leave our answer in terms of π as the answer choices do. )

2 * 4 = 8

8\frac{45}{360} =1

arc length = 1π

Hence, arc length = 1π or just π

7 0
3 years ago
Dominique bikes 1/6 mile every day. How many days will it take her to bike 8 miles?​
Bond [772]
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7 0
3 years ago
Read 2 more answers
What’s an equation that equals to 7
Airida [17]

There are many equations that equal 7 but here are a few

3+4=7

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3.5*2=7

49/7=7

-35/-5=7

3 0
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Which of the following mixed numbers has a value between 6 and 7?
ser-zykov [4K]
I feel like it’s B but I’m not sure
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