Thursday
December 12, 2013

# Posts by Jesse

Total # Posts: 284

Fizzicks
How do you find the wavelength of a 68,000 Hz ultrasound wave in air?

30-60-90 triangle
thank you

30-60-90 triangle
The hypotenuse of a 30-60-90 triangle is 10. Find the perimeter. How do i do that?

physics
Green light has a wavelength of 4.96 10-7 m and travels through the air at a speed of 3.00 108 m/s. Calculate the period of green light waves with this wavelength. s What is the frequency? Hz

english
I don't understand the book I'm reading. Its called Goodnight Mr Tom. We writing exams on this but I really need help understanding this book. Please help me.

Algebra 2
What is probability of at least 3 heads appearing in 4 tosses of a coin

Chemistry
I have a simple question: why does mgcl2 have a higher boiling point than ncl3?? I thought mgcl2 in terms of intermolecular forces had just dispersions and because ncl3 had dispersions and dipole dipole ( cause it's polar) had a higher IMF therefore a higher boiling point?...

math (algebra honors) #2
the answer is 5 by common sense, i would reevaluate your schools "honours" program the area of a circle is pi(r^2) therefore pi(x+6)^2=121pi now just solve (x+6)^2=121 x+6=11 x=5

math (algebra honors) #2
the answer is 5 by common sense, i would reevaluate your schools "honours" program the area of a circle is pi(r^2) therefore pi(x+6)^2=121pi now just solve (x+6)^2=121 x+6=11 x=5

PRECALCULAS
Solve this equation. Give a general formula for all the solutions using k to represent your arbitrary integer. sin θ = 1/2 θ =

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