Physics
Thats wrong
Geometry
determine the radius of a circle if a 24 inch chord is 9 inches from the center
geometry
The diameter of clock's face is 6 inches. Find the length of the minor arc formed by the hands of the clock at 4:00.
Chemistry
that's amazing... thank you so much Dr Bob!
Chemistry
A researcher studying the nutritional value of a new candy places a 4.90 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.75 Celsius. If the heat capacity of the calorimeter is 29.50 kJ K^-1, how many n...
physics help
help me with this question 2. A hydrogen electron drops from the n=4 level to the n=1 level. A. What is the energy of an emitted photon? B. Calculate the frequency of the photon. C. Calculate the wavelength of the photon.
Algebra
How do you factor out y=x^3-9x^2+9
calculus
Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = 3t ln t
math
in 1991 the life expectancy of males in a certain country was 73.7 years in 1997 it was 76.9 years let E represent the life expectancy in year T and let T represent the number of years since 1991 the Linear function E (T) that fits the data is E(t)=_____T+______ use the functi...
algebra
solve by elimination method 3x+4y=4 6x+8y=8
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