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lubasha [3.4K]
3 years ago
8

Simplify -3 (2+4k) + 7 (2k -2)

Mathematics
2 answers:
rusak2 [61]3 years ago
8 0

Answer: 2k - 20

Step-by-step explanation:

fenix001 [56]3 years ago
6 0

Answer:

Step-by-step explanation:

-6-12k+14k-14

-6-14-12k+14k

-20+2k

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the sum of the measure of the interior angle of a convex polygon is 1080 find the number of sides of each polygon
pogonyaev

Answer:

8

Step-by-step explanation:

The formula to calculate the sum of interior angles of polygon is (n - 2)180

Where n represents number of sides

(n-2)180 = 1080 ------ Divide through by 180

(n-2)180/180 = 1080/180

n-2 = 6

n = 6+2

n = 8

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3 years ago
Which point is not on the graph of the equation y=10+x
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Answer:

C. (8, 2)

Step-by-step explanation:

To find which point is not on the graph, find which set of coordinates makes the equation incorrect.

When plugged into the equation, the point (8, 2) makes it incorrect:

y = 10 + x

2 = 10 + 8

2 = 18

2 \neq 18

The equation is incorrect because 2 is not equal to 18.

So, the point that is not on the graph is C. (8, 2)

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