Answer: the answer is D
Step-by-step explanation:
A=pi *r^2=pi *(D/2)^2=3,14*D^2/4
⇒D^2=4*A/3,14=4*50/3,14=200/3,14≈63,7
D≈V63,7
Answer: C
Step-by-step explanation: since he has 4 dice, there are 24 chances. But he needs 2 fives. That means 2/24 = 1/13. 1/13= C
The range of the function f(x) = 3x^2 + 6x - 8 is <span>{y|y ≥ –11}</span>