Answer:
natural numbers, whole numbers, integers, rational numbers, AND real numbers
Check the picture below.
now, let's rationalize the denominator.
Answer:
the is k=-0.4
Step-by-step explanation:
sorry if I did it wrong
I think the answer is the first one, because it needs to be negative. <span />
Answer:
x = 32
Step-by-step explanation:
(whole secant) x (external part) = (tangent)^2
(x+18) * 18 = 30^2
(x+18) * 18 = 900
Divide each side by 18
(x+18) * 18/18 = 900/18
(x+18) = 50
Subtract 18 from each side
x+18-18 = 50-18
x=32
