Tuesday
December 10, 2013

# Posts by jenna

Total # Posts: 456

trigonometry
write 2=5cis 11pie/6 in standard form.

trigonometry
find the dot product of u=2i-7j and v=i+8j

trigonometry
given v=5i+3j and w=-4i+8j, find projwv

trig
find the single term of cos^2 4theta - sin^2 4theta

trig
find the period of f(x)=-2cot x/5

Chem
Okay I got the second pH w/HCl and it is 2.23. but still can't find the pH of both of the ones w/HC2H3O2. Please help?

Chem
Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 1.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH: 1.90 pH w/HCl...

algebra
(6x-2y)/(x^2+xy-2y^2)-(3x+2y)/(x^2+3xy-4y^2)

Basic Dressmaking Processes
A Correct 2. D Correct 3. B Correct 4. A C PAGE 6 5. A Correct 6. D Correct 7. C Correct 8. B Correct 9. C Correct 10. D Correct 11. C Correct 12. C Correct 13. A Correct 14. B Correct 15. D Correct 16. C Correct 17. A Correct 18. A Correct 19. B Correct 20. B Correct

Math
If you're rolling two dice, what is the probability that the sum of two dice is a 7?

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