What are the exact solutions of x2 - 5x - 1 = 0 using x= NVb2 - 4ac ?
2a
Ox=
5729
2
Ox=
--5+ V29
2
521
Ox=
2
Ox=-5121
2

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error