The answer should be d
64pi=4pir^2
cancel the pi
64=4r^2
16=r^2
r=4
Answer:
0.963
Step-by-step explanation:
It’s correct
For Domain<span>, you just need to watch out for Square Roots and/or Fractions! 1) a POLYNOMIAL (no square roots or fractions), i.e. f(x) = x^2 + 3x + 1, </span>domain<span> is "all real numbers." 2) a FRACTION (w/ no square root), i.e. f(x) = (2x+1)/(x^2+5x+6). Set bottom "not equal" to zero.</span>
It is a real number.
A real number is a combination of rational (usually negative) and irrational numbers.
A natural number is a positive integer.
But since -145 is a negative number it can't be a natural number. Making it a real number.
Correct me if I'm wrong.
The answer would be B I hope this helps.
