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Natasha_Volkova [10]
2 years ago
14

50 points for this question​

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
7 0

Answer:

the answer I got is 6 (x+14)

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Suppose you mark n points on a circle, where n is a whole number greater than 1. The number of segments you can draw that connec
dezoksy [38]
Just subsitute 8 for n
1/2(8)^2-1/2(8)
1/2(64)-4
32-4
28
D
7 0
3 years ago
Triangle abc is equal to triangle pqr, angle p=8x+4, angle a=5x+16 , and angle q=10x+2. find angle r
saul85 [17]

Answer: b.not enough info

Step-by-step explanation:

Corresponding angles of congruent triangles are congruent, so \angle A =\angle P

However, we don't have all 3 interior angles of either triangle, so we cannot conclude anything.

8 0
2 years ago
(PLEASE HELP) The table below - does it represent an exponential function?
Aliun [14]
Short answer: I don't know, but that doesn't mean I can't give you something that you can decide for yourself.
y = 4*2^(2n - 2) is the pattern.
Go for broke. Try n = 4. You should get 256. Let's try it.
y = 4 * 2^(2*4 - 2)
y = 4 * 2^(8 - 2)
y = 4 * 2^6
y = 4 * 64
y = 256 yup it works.

The other end is just as important. Suppose n = 1
Then y = 4 * 2^(2*1 - 2) = 4 * 2^0 = 4*1 = 4 Both work.

If this formula is correct, we can abbreviate it to make your task easier.
y = 4 * 2^(2n - 2)
y = 2^2 * 2^(2n - 2)
y = 2^(2n - 2 + 2)
y = 2^(2n) Now try the two end points again.

n = 4
y = 2^(2*4)
y  =  2^8
y = 256

n = 1
y = 2^(2*1)
y = 2^2
y = 4 which again checks.

so y = 2^(2n) I think is an exponential function.
Sorry my explanation is so long.

6 0
3 years ago
Divide
saw5 [17]
I hope i dont any mistake :p tell me if u dont understand :)

7 0
3 years ago
Solve the system of equations by the addition method.<br><br> 5x + 2y = 1<br> 2x - 2y = -8
dolphi86 [110]

Answer:

(-1, 3)

Step-by-step explanation:

5x + 2y = 1

+

2x - 2y = -8

7x = -7

x= -1

2(-1) - 2y = -8

-2 - 2y = -8

-2y = -6

y = 3

3 0
3 years ago
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