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jasenka [17]
3 years ago
6

I need helps pls :)

Mathematics
1 answer:
nadya68 [22]3 years ago
4 0
In regular polygons, if the number of sides, n, is odd, the lines of symmetry will pass through a vertex and the half of the opposite side.
Step-by-step explanation:
This is equivalent to say that a perpendicular bisector of a side of the regular polygon bisects the angle of the opposite vertex to the side, and divide the polygon into two symmetrical parts.
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Y+8=12 solve please
Nikitich [7]
Y=4
the answer is y=4 because you had to subtract 8 from both sides. 

7 0
3 years ago
Read 2 more answers
Among the contestants in a competition are 46 women and 23 men. If 5 winners are randomly selected, what is the probability that
eimsori [14]

Answer:

When 5 winners are randomly selected, the probability that they are all men is 0.003.

Step-by-step explanation:

Among the contestants in a competition are 46 women and 23 men.

Total persons are =46+23=69

When one winner is chosen, there are 68 people left, when second winner is chosen there are 67 people left and so on.

So, the probability that they are all men is given by:

\frac{23}{69} \times\frac{22}{68} \times\frac{21}{67} \times\frac{20}{66} \times\frac{19}{65}

= \frac{4037880}{1348621560} = 0.002999 ≈ 0.003

Therefore, when 5 winners are randomly selected, the probability that they are all men is 0.003.

7 0
3 years ago
Branliest<br> solve the equation <br> 8.7=3.5m-2.5(5.4-6m)
ira [324]
Simplifying
8.7 = 3.5m + -2.5(5.4 + -6m)
8.7 = 3.5m + (5.4 * -2.5 + -6m * -2.5)
8.7 = 3.5m + (-13.5 + 15m)

Reorder the terms:
8.7 = -13.5 + 3.5m + 15m

Combine like terms: 3.5m + 15m = 18.5m
8.7 = -13.5 + 18.5m

Solving
8.7 = -13.5 + 18.5m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-18.5m' to each side of the equation.
8.7 + -18.5m = -13.5 + 18.5m + -18.5m

Combine like terms: 18.5m + -18.5m = 0.0
8.7 + -18.5m = -13.5 + 0.0
8.7 + -18.5m = -13.5

Add '-8.7' to each side of the equation.
8.7 + -8.7 + -18.5m = -13.5 + -8.7

Combine like terms: 8.7 + -8.7 = 0.0
0.0 + -18.5m = -13.5 + -8.7
-18.5m = -13.5 + -8.7

Combine like terms: -13.5 + -8.7 = -22.2
-18.5m = -22.2

Divide each side by '-18.5'.
m = 1.2

Simplifying
m = 1.2
7 0
3 years ago
Omar is on a diet to lose some weight. He is losing weight at a rate of 2 pounds per week. After 6 weeks, his weight is 204 poun
bekas [8.4K]
Our basis would be 204 pounds. His original weight, 6 week ago, must be

204 + 2(6) = 216 pounds

But, we have to find the number of weeks having known the present weight (204 pounds) and the target weight (189). The linear equation would be

Target \ weight = \ Present \ weight \ -2(number \ of \ weeks)

189 = 204 - 2(number of weeks)
Number of weeks = (204-189)/2
Number of weeks = 7.5

The total number of weeks would then be 6 weeks + 7.5 weeks. It would take Omar 13 and a half weeks since he started his diet to reach his target weight.
8 0
4 years ago
Given that A, O &amp; B lie on a straight line segment, evaluate COD.
GrogVix [38]
(3x + 94) I’m not sure
8 0
3 years ago
Read 2 more answers
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