Monday
May 25, 2015

Posts by Jojo


Total # Posts: 211

math
Which three options are true about the quadratic equation?? y= 4t^2 + 16t + 18 A. The graph has a minimum. B. The graph of y crosses the horizontal axis at t = 10 and t = 20. C. The equation 4t^2 + 16 + 18 = 6 has one real solution. D. The function has a maximum at t = 10 E. ...
April 28, 2007

english
In the sentence Rosie sang in the play about the Statue of Liberty. What would be the prepostional phrases. I need this before tomorrow and 8 o'clock tonight. Thank you for using the Jiskha Homework Help Forum. When in doubt as to a part of speech, any dictionary will tell...
April 12, 2007

chemistry
If there are 80 milligrams of a radioactive element decays to 10 milligrams in 30 minutes then what is the elements half life in minutes? Ok i narrowed it down to either 10 or 30...but im rly confused so if u could help it wuld be grea 80 40 1 min 20 2 min 10 3min looks like ...
March 4, 2007

Chemistry
For my homework the question is... What is the half life of polonium 214 if a 1 gram sample decays to 31.25mg after 820 seconds? Im not sure how you arrive at the answer, my friend says the answer is 5 but were not sure how to do it..thanks for any help u may have ln(No/N)= kt...
March 4, 2007

Science
A force of 100 newtons was necessary to lift a rock. A total of 150 joules of work was done. how far was the rock lifted? Work=force*distance. solve for distance in meters. plesa help me on my homework come on do it plesa plesa plesa is my last time
March 3, 2007

Intro Accounting - HELP
3. Dr. Colin Modella, an music history professor at the University of Arizona, supplements her income by selling cappuccino on campus to students and other faculty members when she is not teaching, doing research, creating curriculum, or attending committee meetings. She sells...
February 21, 2007

Social Studies
What is nunavuts nickname!!!
February 8, 2007

English
hi for my english project i have to draw a map of the war my character was in..My book was the things they carried so it was the vietnam war, i was wondering if you had any pictures of were the vietnam war was fought. The directions also say i need countries, cities and ...
January 28, 2007

pre-algebra
The perimeter of a triangle is 195 mm.If the lengths of the sides are consecutive odd integers,find the length of each side. what steps do i need to do in order to get the answre? Perimeter= L + L+2 + L+4 solve for L. That is the short side. THen add two for the next side, and...
January 27, 2007

Linear Approximation
Use linear approximation, i.e. the tangent line, to approximate 1/0.104 as follows: Let f(x)=1/x and find the equation of the tangent line to f(x) at a "nice" point near 0.104 . Then use this to approximate 1/0.104 . L(x)=f(a)+f'(a)(x-a)...i think. You're ...
October 14, 2006

sociology/enviromental science
Help me! Wow everyone on here from Axia UOP! Great The ETH 125 and SCI 275 are blowig my mind especially the SCI 275(enviromental) AGGGGGG Does anyone know how to do a risk assessment on Malathion????
July 20, 2006

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