algebra
The guy wire, the telephone phone and the ground form a right-angled triangle. Your measurements are x, x+4, and 20. To solve for x, you could use the Pythagorean Theorem, a^2+b^2=c^2. Let a=x Let b=x+4 Let c=20 First, plug in the values for a, b and c, and then simplify. From...
Chemistry
4 C3H5(NO3)3(s) ---> 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g) 1.3 e 2
Chemistry
Nitroglycerin, an explosive compound, decomposes according to the equation below. 4 C3H5(NO3)3(s) 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g) Calculate the total volume of gases when collected at 1.2 atm and 25°C from 1.3 102 g of nitroglycerin.
statistics
Refer to the Baseball data, which report information on the 30 Major League Baseball teams for the 2010 season. Let the number of games won be the dependent variable and the following variables be independent variables: team batting average, number of stolen bases, number of e...
chemistry
List the following bonds in order of increasing ionic character. (Enter your answer in the format H-O for the hydrogen-to-oxygen bond in H2O. Use the appropriate <, =, or > symbol to separate substances in the list.) the barium-to-fluorine bond in Ba-F the magnesium-to-o...
Math
Use linear approximation to show that each function below can be approximated by the given expression when |x| is small i.) sinx ~ x ii.) e^x ~ 1+x iii.) ln(1+x) ~ x
Physics
F=6kt This force acts on a particle of mass "m" that moves along a line. If the particle starts from rest, determine its velocity and position at time t.
physics
Consider a pulse of laser light aimed at the Moon that bounces back to Earth. The distance between Earth and the Moon is 3.84 * 108 m. Show that the round-trip time for the light is 2.56 s
Programming
Read two numbers from the keyboard Display the menu options as follows: 1 - computes the sum of two numbers. 2 - computes the difference (first minus second). 3 - computes the product of the two numbers. 4 - if the second number is not zero, computes the quotient (first divide...
chemistry
In a coffee-cup calorimeter, 1.91 g of NH4NO3 is mixed with 75.0 g of water at an initial temperature of 25.00oC. After the solution of the salt, the final temperature was 20.94oC. Assuming the solution has a heat capacity of 4.18 J/(goC) and assuming no heat loss to the calor...
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