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Savatey [412]
3 years ago
11

Please help! (image is for question 3)

Mathematics
2 answers:
nika2105 [10]3 years ago
6 0

The formula for the total sum of the inner angles of the polygon is

Sn= (n-2) 180°

1) S6= (6-2) 180 = 4*180 = 720° In the hexagon all angles are equal

α= S6/6= 720/6= 120°

2) In each polygon the sum of the external angles is 360°

3) S5= (5-2) 180 = 540° than  we can add up all angles

x+131+108+107+110=540 => x= 540-456= 84°

4) α = 360/5=72°

Good luck!!!


Nata [24]3 years ago
3 0

Answer:

i got a 40%on the test.. what did you get?

Step-by-step explanation:

You might be interested in
1. Measures of CenterLions: 14, 13, 31, 21, 24, 19Jets scores: 15, 17, 13, 6, 26, 21Which team had a higher medianscore? By how
larisa86 [58]
Lions 
because if you find the median in both there will be two medians so that means you have to add up the two medians.

For the first one the medians were 31 and 21 so add 31+21=52 and 52/2=26

For the second one the medians were 13 and 6 so add 13+6=19 and 19/2=9.5 

So the higher score woud be lions and it would by higher by 16.5
hope this helped:)
7 0
4 years ago
Two six sided die are rolled, one after another. In the sample space of all possible results, how many of the sums are not great
Softa [21]
There are only 3 patterns that exceed the sum of 10 which are: 5-6,6-5,6-6.
Which gives us 33 patterns. Which makes 33 sums not greater than 10.
7 0
3 years ago
For the given figure, justify the statement ∠1 ≅ ∠2
attashe74 [19]

Answer:

                   JUSTIFICATION↓

∠1 ≅ ∠2 <u>(∵ Vertically-opposite angles are equal)</u>

Step-by-step explanation:

Since ∠1  lies vertically opposite to  ∠2 and vice -versa , therefore ∠1 and  ∠2 are equal to each other

5 0
3 years ago
a plane is flying horizontally at an altitude of 21000 feet with a ground speed of 875 feet per second. the plane passes directl
Marta_Voda [28]

Answer:

the angle is changing at a rate of 0.0375 rad/s when the time is t=8 seconds

Step-by-step explanation:

since the line D that starts from the spectator and follows the plane has the following equation

D² = x² + H² ,  where H= altitude of the plane , x= horizontal distance

then for x=v*t , where v=speed of the plane and t=time since the plane has passed overhead , we have for the elevation angle

tan θ = x/y =  v*t /H

θ = tan⁻¹ ( v*t /H)

the rate of change in the angle of the spectator's sight θ with the time is

dθ/dt = 1/1+(v*t /H)² * (v/H) = (v/H)/[1+ (v/H)²*t²]

for t=8 seconds

dθ/dt = (875 ft/s/21000 ft)/[1+ (875 ft/s/21000 ft)²*(8 s)²] = 0.0375 rad/s

therefore the angle is changing at a rate of 0.0375 rad/s when the time is t=8 seconds

6 0
4 years ago
Name:
Effectus [21]

Answer:

8421  

Step-by-step explanation:

8050 < abcd < 8500

We must have a = 8, so the number is 8bcd.

The value of a is 20 times the value of b, or a= 2b.

a = 8, so b = 4.

The value of b is 20 times the value of c, or b = 2c.

b = 4, so c = 2.

The value of c is 20 times the value of d, or c = 2d.

c = 2, so d = 1.

The secret number is 8421.

8 0
3 years ago
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