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Ede4ka [16]
3 years ago
8

-5x + y = -2 -3x + 6y = -12

Mathematics
1 answer:
Korolek [52]3 years ago
6 0

Answer:

x = 0

y = -2

Step-by-step explanation:

-5x + y = -2

x = 0

y = -2

-3x + 6y = -12

x = 0

y = -2

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galben [10]

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4 0
3 years ago
Find the area of the regular 20​-gon with radius 77 mm.
butalik [34]
The area of a polygon equals
area = circumradius² * number of sides * sin (360 / # of sides) / 2
area = 77² * 20 * sin (360 / 20) / 2
area = 77² * 20 * sin (18) / 2
area = 118,580 * 0.30902 / 2
area = <span> <span> <span> 36,643.59 </span> </span> </span> / 2
area = 18,321.8 square millimeters


3 0
3 years ago
A number x increased by 17 is 106
Lorico [155]

Answer:

x = 89

Step-by-step explanation:

106 - 17 = 89

6 0
3 years ago
If EFGH is a parallelogram, what is the value of x?
Leokris [45]
To be a parallogram the 2 angles shown need to equal 180 degrees
 
so we have: 34 + (4x-2) = 180

 now we can solve for x

34 + 4x -2 = 180

simplify the left side by subtracting 2 from 34

32+4x =180

subtract 32 from each side:

4x = 148

divide both sides by 4 to get x

x = 148 / 4 

x = 37 

The answer is B





5 0
3 years ago
Which expression is equivalent to 5x + 5y + 5y?
Butoxors [25]

Answer:

5x + 10y

Step-by-step explanation:

5x + 5y + 5y = 5x + 10y

6 0
3 years ago
Read 2 more answers
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