 Lv 729,457 points

# Melvyn

• ### Nuclear radiation on gold?

Would the radiation from an atomic bomb dropped on Fort Knox change the gold into other elements by nuclear reactions and render its contents relatively worthless?

• ### Perpendicular lines?

determine the equation of the line that is perpendicular to y = a x +b at x=c

• ### Untreated Type 2 diabetes?

I am a type 2 diabetic and have been diagnosed for about 7 years and had unrecogized symptoms previously and have been taking the appropriate medication - metformin , glyclazide and ramipril( for kidney damage). I am considering no longer taking any medication for my diabetes or any related condition. How long can I expect to live?

• ### What is the next number in the sequence? and why ?

5, 7, 7, 2, 1, ?

• ### Calculus - area between 2 curves and perimeter enclosing the area?

The 2 curves y= x^2 - 10x and y = 4x - x^2 enclose a certain area. Find the size area and perimeter of the area enclosed. Full marks for both correct answers

• ### Calculus - area between 2 curves and perimeter enclosing the area?

the two curves y = x^2 -10x and 4x-x^2 enclose a certain area . Find the enclosed area and calculate the length of the perimeter of the area

• ### why isnt vedic mathematics taught more widely in the UK curriculum?

Im more than sure it would encourage more interest and enjoyment in school mathematics

• ### Number Theory question?

If we squeezed all the real numbers between -infinity and +infinity into the little space between 0 and 1 what could we say about the number density of the new number line between 0 and 1 ?

• ### Probability question?

If one selects a random odd number between 3 and 999 (inclusive) what is the probability of it being prime?

• ### How many nonzero digits are there in the integers from 1 to 1000?

eg 101 = 2 non zero digits

102 = 2 nonzero digits

509 another 2 nonzero digits

500 1 nonzero digit

how many in total?