"Whatcha got?"
nPr ? I am not sure about this one but 8 p 6 = 20160 Does that SEEM right?
-13/-10 = 13/10 = 1.3
You're right !!!! D'Oh! I should get more sleep! Haha
Generally, when you say a 1 inch hole it means the diameter, so I assume a 4 cm circle refers to the DIAMETER of the circle ...CIRCUMFERENCE is pi x d
pi x 4 = 12.56 cm circumference
No.....
That is just the equation for a LINE, not a quadratic.
Part of the first question is missing. I suspect the anser is '18' but cannot be sure without the info that is missing.....
The second question: the arc of an inscribed angle like "X" encompasses 2x degrees so the central angle "W" is 2x degrees = 38 degrees
1250/18.75 x 100% = 6666.67 %
4.25E5
These types of Q's are called INEQUALITIES.
