exam Maths Puzzle Numerical Ability

x exponent 2 - x - 20 = 0

Read Solution (Total 0)

exam Other Question

I need help to solve this kind problems, thank you.

The solutions for {{{ mx^2 - 2x - 4m - 1 = 0 }}} are x1 and x2. Determine m so that x1 > 1 and x2 < 1.
In a certain microwave oven on the high power setting, the time it takes a randomly chosen kernel
of popcorn to pop is normally distributed with a mean of 140 seconds and a standa