Answer:
7.5 km.
Step-by-step explanation:
1 cm=5 km.
0.5 cm=2.5 km.
5 km + 2.5 km=7.5 km
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Equation A simplifies to 0 = 0. It is always true.
Equation B simplifies to 1 = -1 for a ≠ 0. It is never true.
Equation C simplifies to 2a = 0. It is true only for a = 0.
Equation D simplifies to 2a = 0. It is only true for a = 0.
The equation that is true for all values of "a" is ...
A. Equation A
Acute angle i think about 60
Answer:
B) 60 degrees
Step-by-step explanation:
. If you know the circumference of the circle, divide it by π to get the diameter.