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VMariaS [17]
3 years ago
10

Which polygon has an interior angle sum of 1080

Mathematics
2 answers:
Snezhnost [94]3 years ago
6 0
The sum of the interior angles in a regular polygon is given by the formula 180<span>(n – 2), where n is the number of sides in the polygon. An octagon has </span>eight<span> sides, so the sum of the angles of the octagon is </span>180<span>(8 – 2) = </span>180(6<span>) = 1080 degrees. In other word your answer would be an octagon.
</span>
larisa [96]3 years ago
5 0

Answer:

The correct one is A one with 8 points

Step-by-step explanation:

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Find the first 3 terms of arithmetic sequence if t5=-154 and t9=-274. find t1, t2, t3
777dan777 [17]

Answer: t1 = -34; t2 = -64; t3 = -94

d is the distance between numbers (d > 0)

we have:

t5 = t1 + 4d = -154

t9 = t1 + 8d = -274

we have the equations:

t1 + 4d = -154

t1 + 8d = -274

<=> t1 = -34

      d = -30

with t1 = -34 and = -30 => t2 = -34 - 30 = -64

                                          t3 = -64 - 30 = -94

Step-by-step explanation:

4 0
3 years ago
Write Y=5/3 x - 6/8 in standard form
ratelena [41]

Answer:

standard form is Ax + By = C where A, B and C are all integers.

 

y=5/3x-6/8  First, multiply by LCD 24:

 

24y = 40x -18

 

40x - 24y = 18

 

Division by 2 is recommended (this is because 6/8 should have been reduced to 24, making LCD just 12):

20x - 12y = 9

 

Step-by-step explanation:

3 0
4 years ago
What is the sum of (−9x4+6x3+2x5+6) and (3x5+3x4+7x3+8)?
Alina [70]

Answer:

(−9x4+6x3+2x5+6)

(3x5+3x4+7x3+8)

Step-by-step explanation:

The answer to (−9x4+6x3+2x5+6)  is -2

and the answer to (3x5+3x4+7x3+8) Is 56

8 0
4 years ago
Marshall's mother buys 2 boxes of granola bars each week. Each box contains 8 granola bars. If she continues buying 2 boxes each
frutty [35]
2 x 8 =16
16 granola bars a week 
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7 0
3 years ago
Bryn is riding his bicycle at a constant speed from school to the library. His distance from the library in kilometers x hours a
Vika [28.1K]

Answer:

The distance is 20km

Step-by-step explanation:

Given

y = 20 - 12x

Required

The distance between the\ library\ and\ the school

The function represents the distance y = 20 - 12x

So, when x = 0.

This implies that he has not started moving.

So:

y = 20 - 12 * 0

y = 20 - 0

y = 20

8 0
3 years ago
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