Answer: A = 78.5
Step-by-step explanation: 10/2= 5
3.14*5*5= 78.5
0.49 is a rational number because it can be written as a fraction. Also, irrational numbers cannot be repeating decimals.
Answer:
1. -18-6k=6(1+3k) k= -1
2. 5n+34=-2(1-7n) n=4
3. 2(4x-3)-8=4+2x x=3
4. 3n-5=-8(6+5n) n= -1
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Circunference=diameter time pi
aprox pi to 3.14
circunference=200.332
subsitue
200.332=diameter time s3.14
divide both sides by 3.14
63.8=diameter
answer is 63.8 units
Yes because it passes the vertical line test.