# Posts by mann

Total # Posts: 8

**maths**

for what value of k the expression kyxÂ²+(k+1)x+2will be a prefect square of a linear square

*July 19, 2015*

**pre calculus**

Slove: 2logbase5(x+2) = 2 + log base5(x-2)

*February 15, 2014*

**precalculus**

solve: 5 ^(x+2) - 5^(x+1) = 5

*February 15, 2014*

**chem lab**

0.8100g MgO(s)(40.3g/mol) was reacted with 52.3 ml 1.00M HCl(density= 1.00g/ml) in the coffee cup calorimeter, and the observed temperature change was +10.4 degree Celsius. write the equation for this reaction, determine the limiting reactant and find difference H for the ...

*February 12, 2014*

**Math**

Determine, with justi cation, the value of the remainder when 2^314 is divided by 91. (Hint: 91 = 13 * 7.)

*December 5, 2013*

**Physics**

A 1.6 kg mass and a 6 kg mass are connected by a massless string over a pulley that is in the shape of a solid wheel having a radius 0.13 m and mass 5.5 kg. Determine the linear acceleration of the blocks.

*November 19, 2013*

**programing**

write a c++ program that prompts user's first name and last name

*July 13, 2012*

**physics**

IF A RUNNER RUNS THE 100 METER DASH IN APPROXIMATELY 9.7 SEC, WHAT IS THE AVERAGE SPEED OF THE RUNNER IN MPH?

*September 27, 2011*

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