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polet [3.4K]
3 years ago
12

Angles of a polygon thanks ​

Mathematics
1 answer:
tino4ka555 [31]3 years ago
3 0

Answer:

900 degrees

Step-by-step explanation:

Use the formula for interior angles

Sum = (n - 2) x 180

Sum = (7 - 2) x 180

Sum = 5 x 180

Sum = 900 degrees

If this answer is correct, please make me Brainliest!

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2x – 4y = 14<br> x = 2y – 2<br><br> What is the solution to the system?
AVprozaik [17]

Answer:

No Solution.

Step-by-step explanation:

2x-4y=14

x=2y-2

----------------

2(2y-2)-4y=14

4y-4-4y=14

-4=14

no solution

4 0
3 years ago
3. There are 12 seals, 4 whales, and 8 dolphins at the aquarium. Complete the picture graph to show the data.​
soldi70 [24.7K]

Answer:

Step-by-step explanation:

here you go,

3 0
3 years ago
24)<br> 12<br> 21<br> X<br> 84<br> 91<br> 28
padilas [110]

Answer:

13

Step-by-step explanation:

12×7 = 84,

so the scale ratio is 1/7

now 91×1/7

= 91/7

= 13

5 0
3 years ago
Where does y = 1.8x + 3.1 and y = 2.3x + 1.9 intersect brainly
butalik [34]

Answer:

4.9=4.2

Step-by-step explanation:

4 0
3 years ago
Complete the point-slope equation of the line through (-8,-8) and (-7,9)
denis23 [38]

Step-by-step explanation:

point slope formula: y-y1=m(x-x1)

m= y2-y1/x2-x1

input numbers

so slope:

m=(9--8)/(-7--8)

(-)×(-)=+

(+)×(-)=(-)

so m=17/1

m=17

now point slope

y--8=17(x--8)

y+8=17x+136

to get y alone we have to use opposite operations

y and 8 are adding so we need to subtract on both sides

y+8-8=17x+136-8

y=17x+128

5 0
2 years ago
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