# Posts by shanika

Total # Posts: 6

**Social Studies**

"Enjoy my answers" is correct. 4/4

**reading**

the world is a beautiful place

**geometry**

i want to know what is quadrilaterals

**Mathematics**

I don't know

**Accounting**

1. Using the high-low method, estimate the linear relationship y = a + bX, where y is the total annual operating cost of a helicopter and X is the number of round-trips it makes to JFK airport during the year. When x = 1000, y = $300*1000 = $300,000 When x = 2000, y = $250*...

**physics**

A hydrogen nucleus has a radius of 1 x 10-15 m and the electron is about 5.3 x 10-11 m from the nucleus. Assume the hydrogen atom is a ball with a radius of about 5.3 x 10-11 m and the nucleus is a ball with a radius of 1 x 10-15 m. How much work (in electron volts) must be ...