# Posts by Mei

Total # Posts: 14

**Algebra 2**

A six-sided die is rolled six times. What is the probability that the die will show an even number exactly two times?

*October 20, 2015*

**math**

China population is approximately 1.325 billion. The United States has approximately 0.304 billion. How many times as many people live in China than in the U.S. Round to the nearest tenth if necessary.

*January 14, 2015*

**science**

thank you @DrBob222

*January 13, 2015*

**science**

Can you explain to me what happens to the energy when you do work? thanks

*January 13, 2015*

**physics**

A stretched string fixed at each end has a mass of 17 g and a length of 10.5 m. The tension in the string is 44.5 N. What is the vibration frequency for the third harmonic? Answer in Hz.

*December 3, 2014*

**Physics**

1. You are tasked to design a car park on the top floor of a condominium that can accommodate 10 cars, each car has a maximum mass of 2000 kg. The material you are using can withstand a pressure of 500 N/m^2. Calculate how large your park must be? 2. Cheryl filled a measuring ...

*September 3, 2014*

**math**

Bonita bought 2 and 1/5 kg of potatoes and 1 and 1/2 kg of carrots. How much more potatoes than carrots did she buy?

*March 19, 2014*

**Physics**

Calculate d energy of d 3rd level of an atom if d ground state energy is -24.8ev

*April 28, 2013*

**Physics**

Wat is d bond between silicon and germanium

*April 28, 2013*

**Math**

"A ship leaves port on a bearing of 34.0 degrees and travels 10.4 mi. The ship then turns due east and travels 4.6 mi. How far is the ship from port, and what is its bearing from port?" I would like to know how the actual steps in finding the answer please!

*December 1, 2011*

**physics**

So now you know that W=60. So you set up the equation again using what you know. x=theta 60=8.25*19.1*Cosx Solve for x 60/157.575=cosx cos^-1(.380)=x x=67.67 degrees

*March 21, 2011*

**physics**

how did u get that answer

*October 13, 2010*

**math**

600 tens and 24 ones

*September 21, 2010*

**Chemistry**

Starting with propane, show all the steps required to produce propanone. Anyone know how to answer that question? Please help!

*January 31, 2007*

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