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Vika [28.1K]
4 years ago
8

What’s the radius of the circle?

Mathematics
1 answer:
const2013 [10]4 years ago
7 0

Answer:

153m

Step-by-step explanation:

perimeter of an arc = theta/360 × 2πr

P= 17πm

theta = 20°

17πm= 20/360 × 2 × π × r

153πm = πr

r = 153m

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I don't understand this​
nordsb [41]

Answer: m<DEA = 95° also

Step-by-step explanation: I took geometry last year and I don’t remember the exact name of the explanation but both of the angles are equal

3 0
4 years ago
4x- 2y = 8<br> 2x + y =2
Juli2301 [7.4K]

Answer:

x = 3/2 , y = -1

Step-by-step explanation:

I'm assuming that you are being asked to solve the system of equations for x and y.

given:

4x- 2y = 8  ---------------(1)

2x + y =2 -----------------(2)

We can solve this by elimination:

multiple (2) by 2, we get:

2(2x + y) =2(2)

4x + 2y = 4 ------------(3)

(1) + (3) , we get:

(4x- 2y) - (4x + 2y) = 8 + 4

8x = 12   (divide both sides by 8)

x = 12/8

x = 3/2   answer, substitute this into (2)  

2(3/2) + y =2

3 + y = 2  (subtract 3 from both sides)

y = 2 - 3

y = -1  answer

5 0
3 years ago
which expression is equivalent to the expression shown? 3 to the power of 7 X 3 to the power os negative 4
grandymaker [24]

Answer:

The answer is 27

Step-by-step explanation:

I worked it out using a calculator

5 0
3 years ago
Guys can u help me with 6 and 23 and 24 plz i really need help
NeX [460]

Answer:

6. (1-7y)(1+7y)

23. 2(4s-3u)(4s+3u)

24. 5q(q-2)(3q+2)

6 0
4 years ago
A list of numbers is given <br><br><br> 32,16,8,4,2,1<br><br> Write a rule for the pattern
Sphinxa [80]
It is subtracting the current number by 1/2    OR you can divide by 2. each time.

32 / 2= 16
16 / 2=8
8/2=4
4/2=2
2/2=1

Hope this helped!
5 0
3 years ago
Read 2 more answers
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