Earth is approximately 4.54 * 10^9 years old. Humans are thought to have evolved around 2.5 * 10^5 years ago.

For what percentage of the age of the Earth have humans been present? Give your answer to 3 s. f

Prove that a square matrix is invertible if and only if its columns are linearly independent

Combina los términos semejantes -16 + 8x + 20x - 5y

A group of 199 people is going on a boat tour. If each boat holds 8 people. how many boats will they need?

I role three dice. What is the probability I get three ones?

Factor completely. Part A 8x+6 Part B 10x - 18 + 2x

A simple interest calculation provides a useful estimate of what compound interest will be if

Sebuah taman berbentuk persegi panjang beraturan 60m*10m. Manakah yang dianggap sebangun dengan taman tersebut. a.) persegi panjang dengan ukuran 30cm*5cm b.) lapangan berbentuk persegi panjang dengan ukuran 10m*6m

Two different ways for 59

Subtract 4 from 10. Then, multiply by z

On a number line, M is at 0 and N is at 9. What is the coordinate of P, which is 2/3 of the way from M to N