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Alecsey [184]
3 years ago
9

A regular triangle rotated about its center by 360 degrees maps onto itself at

Mathematics
1 answer:
grin007 [14]3 years ago
7 0

Answer:

there is a lot of different rotations

Step-by-step explanation:

and multiple of 360 and could go infinitely while 90, 180, 270 degrees will not work.

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What relation do the sides of a triangle must-have?
anzhelika [568]

Step-by-step explanation:

Sum of any 2 sides must be higher than the third side.

4 0
3 years ago
Solve the equation for b: -4b + 18 = -6
insens350 [35]
The answer is 6:

6+18= 24
24 divided by 4= 6

b=6
4 0
3 years ago
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The sum of nine times a number, and 4, is equal to eight times the number.
pishuonlain [190]

Answer:

-4

Step-by-step explanation:

Let's put this in math notation. We can call the number x:

9x+4=8x

Subtract 8x from both sides:

x+4=0

Subtract 4 from both sides:

x=-4

4 0
2 years ago
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If 8 pigs can fit in a pen, how many pens are necessary to make sure 71 pigs are all in a pen?
Ulleksa [173]

Answer:

9

Step-by-step explanation:

Each pen can only hold 8 pigs, and pens cannot be split up into fractions.

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8.875 → 9.

7 0
4 years ago
Solve the elimination method
vlada-n [284]

Answer:

C)No Solution

Step-by-step explanation:

Given  2 equations

  • 4x-2y=1
  • 2x-y=2

Mentioned to solve using eliminations method

4x-2y=1

2x-y=2

Multiply second equation with 2

⇒second equation is 4x-2y=4

Now subtract second equation from 1st equation

4x-2y-(4x-2y)=1-4

4x-4x-2y+2y=-3

0+0=3

0=3

But 0≠3

Therefore there exists no solutions for the given pair of equations

Both equations are Parallel lines as they have the same slope

7 0
4 years ago
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