Answer:
0.80
Step-by-step explanation:
Khan told me
Answer:
x = -2.
Step-by-step explanation:
In this case, a is 1, b is 4 and c is 4.
-4 plus or minus the square root of 4^2 - 4 * 1 * 4 divided by 2 * 1 = -4 plus or minus the square root of 16 - 16 / 2 = -4 plus or minus the square root of 0 / 2 = -4 / 2 = -2.
x = -2.
Hope this helps!
Answer:
Approximantly 20
Step-by-step explanation:
Circumference = pi times diameter
63/pi = diameter
Answer: 20.0535228
Answer:
12x
Step-by-step explanation:
