Friday

September 19, 2014

September 19, 2014

Total # Posts: 8

**Chemistry**

An office heater puts out 2070 Btus (British thermal units) of energy in the form of heat per hour. Given that 1 Btu = 1.055 kJ, how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater (assume continuous operation)?
*January 29, 2014*

**Chemistry**

The volume of a sphere is given by V=(4/3)3.14r^3, where r is the radius. Compute the volume of a sphere with a radius of 329pm. state your answer in units of m^3.
*January 29, 2014*

**College alerbra**

yes i meant 4^(x+2)=9^x
*November 29, 2013*

**College alerbra**

solve the exponential equation. 4^(x+2)=9x
*November 29, 2013*

**intense algebra**

thank you sue
*January 29, 2012*

**intense algebra**

well my computer dont have the symbol i need. let my put it in words then one ninth times 24 over 25
*January 29, 2012*

**intense algebra**

which value is the closest to 1/9.24/25 a. 0 b. 0.5 c. 1 d. 21/20
*January 29, 2012*

**math**

not understanding this assignment, it ask, terrence skated 8 feet in 4 seconds at a constant rate, how fast did he skate in feet per second
*January 25, 2012*

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