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Question and answer
Find sum of interior angles of 18-sided polygon.
Find sum of interior angles of 18-sided polygon. Sum = (n - 2) × 180 = (18 - 2) × 180 = 16 × 180 = 2880°. Answer: 2880°.
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Asked 45 days ago|2/26/2026 10:08:55 AM
Updated 45 days ago|2/26/2026 10:22:15 AM
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Find sum of interior angles of 18-sided polygon.
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cruz30
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Added 45 days ago|2/26/2026 10:21:43 AM
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cruz30
[2/26/2026 10:22:13 AM]
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cruz30
Find sum of interior angles of 18-sided polygon.
Sum = (n - 2) × 180 = (18 - 2) × 180 = 16 × 180 = 2880°.
Answer: 2880°.
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Added 45 days ago|2/26/2026 10:22:15 AM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
Find radius of circle inscribed in triangle sides 6, 8, 10.
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Question
Not Answered
Updated 46 days ago|2/25/2026 8:10:32 AM
1 Answer/Comment
3
cruz30
Triangle sides: a=6, b=8, c=10
s = (6+8+10)/2 = 12
Area = n[s(s-a)(s-b)(s-c)] = n[12×6×4×2] = n[576] = 24 n
Inradius r = Area / s = 24 n / 12 = 2
Answer:
2
Added 46 days ago|2/25/2026 8:10:32 AM
This answer has been confirmed as correct and helpful.
Length of arc of circle radius 12 with angle 3 3 .
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Question
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Updated 46 days ago|2/25/2026 8:01:42 AM
1 Answer/Comment
3
cruz30
Arc length = r ×
r=12, =3 radians
Arc length = 12 × 3 = 36
Answer:
36
Added 46 days ago|2/25/2026 8:01:42 AM
This answer has been confirmed as correct and helpful.
Evaluate: 2 3 x 2 e 3x dx
Weegy:
2+2=3X ; 4 = 3X ; X = 4/3
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Question
Updated 46 days ago|2/25/2026 8:19:10 AM
1 Answer/Comment
3
cruz30
2 e^3x dx = 2 e^3x dx = 2 × (1/3) e^3x + C = (2/3) e^3x + C
Answer:
(2/3) e^3x + C
Added 46 days ago|2/25/2026 8:19:09 AM
This answer has been confirmed as correct and helpful.
A box has 5 red, 4 blue, 3 green balls. Two are drawn without replacement. Probability both red?
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Question
Not Answered
Updated 46 days ago|2/25/2026 8:18:01 AM
1 Answer/Comment
3
cruz30
Total balls = 5+4+3=12
P(both red) = (5/12) × (4/11) = 20/132 = 5/33
Answer:
5/33
Added 46 days ago|2/25/2026 8:18:01 AM
This answer has been confirmed as correct and helpful.
Find variance of binomial distribution = 10 n=10, = 0.3 p=0.3.
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Question
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Updated 46 days ago|2/25/2026 8:11:48 AM
1 Answer/Comment
3
cruz30
Variance of binomial: ^2 = n p (1-p)
n=10, p=0.3
^2 = 10 × 0.3 × 0.7 = 2.1
Answer:
2.1
Added 46 days ago|2/25/2026 8:11:48 AM
This answer has been confirmed as correct and helpful.
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