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ahrayia [7]
3 years ago
15

Can someone please explain how to do this? Geometry EOC's are tomorrow and I have to know this stuff so please answer quickly.

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
8 0
A rule of Polygons is that the sum of the exterior angles must equal 360. 
Remember that for your testing. 
A polygon is where all sides equal the same amount, in your case, 18 degrees.
So divide 360 by 16, equalling D.20
Good Luck!

Dmitry_Shevchenko [17]3 years ago
8 0
3.
we can solve it

draw a point for the center
draw lines from the center to each vertex
you get  lots of triangles

see the diagram so it won't be confusing an since I will be refering to stuff in there

striahge line=180
so
18+x+x=180
minus 18
2x=162
divide 2
x=81
now we know 2 interior angles
x and y=81
angles ina triangle add to 180
therefor
x+y+z=180
81+81+z=180
162+z=180
minus 162
z=18

all central angles add up to 360
how man y are there?
18 times how many=360
divide both sidess by 18
how many angles=20
20 central angles=20 sides





4.

we can compare using side to angle ratios
since 9=9 and they share a side, the sides PQ and SR and congruent and PS is congruent to PS
therfor the only different side is QS and PR

ratio is the angles
QS:PR=63:105=3:5

they are in ratio 3:5

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Please help and show work!!
Advocard [28]

1/3x + y = -2

-1/3x         -1/3x

y = -1/3x-2

4 0
3 years ago
An insurance company has written 52 policies of $50,000, 477 of $25,000, and 918 of $10,000
Ede4ka [16]

The amount of money that the company can expect to pay during the year the policies were written is; $25005

<h3>How to find the expected Value?</h3>

The probability that a person will die at age 20 = 0.001

Revenue from 52 policies = 52 * $75,000 = $3,900,000

Revenue from 477 policies = 477 * $25,000 = $11,925,000

Revenue from 918 policies = 918 * $10,000 = $9,180,000

Total revenue from all policies = $3,900,000 + $11,925,000 + $9,180,000

Total Revenue from all Policies = $25,005,000

Expected amount to pay out during the year the policies were written =  $25,005,000* 0.001 = $25,005

Thus, the company can expect to pay out $45,000 over the year after the policies were written.

Read more about Expected Value at; brainly.com/question/19168423

#SPJ2

8 0
1 year ago
Read 2 more answers
You have the following expenses: clothes—$98.95, utilities—$234.98, rent—$875.34, and groceries—$103.98. Which expenses are disc
Furkat [3]
Utilities and groceries
7 0
3 years ago
Read 2 more answers
UOW and UOV as well would be nice but not required.
Allushta [10]

Answer:

No-------Uow and Uov are------Tpu and Uov arent

Step-by-step explanation:

adjacent=having a common vertex and a common side.

they don't have the vertex in common

Hope this helps!

5 0
3 years ago
Solve for x.<br> х°<br> 28°<br> 153°
Allushta [10]

180 - 153 = 27

27 + 28 = 55

x= 180 - 55 = 125

x= 125

4 0
3 years ago
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