# jenn

Newest questions and responses by jenn
1. ## history

how would america be different today if Thomas Jefferson would have stayed true to his principles? Any links that will help me out here? I don’t have my book with me and it is not multiple choice

2. ## math

what are all of the subsets for {-8, 4}

3. ## english

What format does “forest fire” by Anais Nin use? example: compare-and-contrast

12. ## math

A boat travels from one port A to port B, travelling 126 km, upstream (against the current) at a uniform speed, and the trip takes 6 hours.  On the way back (downstream), the trip only takes 4.5 hours. Set up and solve a system of equations to find out

13. ## chemistry

Now use the average value of Kb the base dissociation constant of acetate anion to calculate an average value for Ka, the acid dissociation constant of acetic acid. Kb: 1.33x10^-10

14. ## 2 math questions, urgent plz help!!

The line with equation a + 2b = 0 coincides with the terminal side of an angle θ in standard position and cos θ

15. ## maths

A company has 200 employees who are eligible for child care benefits. The company will pay eligible employees 25% of child day care costs, up to a maximum of $500 per child per month. If an employee has 2 children in day care at a cost of$500 per child

So this is a "Challenge" (we don't have to do it but my mum is making me) we haven't learned it, it's only if you want to do anything harder or more difficult. 1.explain why the ratios 6/9 and 8/12 are in proportion

17. ## MATH help ASAP

explain why the ratios 6/9 and 8/12 are in proportion. i don't understand what the question is asking?

18. ## chemistry

Derived the equation pH = pKa + Log [base] for a weak acid and its conjugate base, [acid]

19. ## chemistry

Tell how you would prepare an acetic acid/acetate buffer solution having apH of 3.79. Ka for acetic acid = 1.85 x 10-5

20. ## math

if there are 19 boys and 24 girls in the math class. 10 boys and 15 girls are freshman. if you randomly choose a student, what is the probability that it will be a girl or freshman?

21. ## College Algebra

ok, so I need to come up with an answer for this question- A car traveling 65mph on the hwy gets 25 miles per gallon. Write the function that represents the distance d(t) in miles that the car travels in t hours. *Then, Write a function that represents the

22. ## Physics

Two ants race across a table 76 cm long. One travels at 5.2 cm/s and the other at 2 cm/s. When the first one crosses the finish line, how far behind is the second one? Answer in units of cm. Can you teach me how to do this plz?

23. ## Math

Here is the problem. I got the answer but I would like a better understanding. Find the equation of a line that passes thru(6,-2) and is perpendicular to equation x-3y+16. I got the final answer being -3x+16. Can someone please explain how to get this? I

25. ## math

If it says write the equation, five less than half a number is forty would the answer be 1/2n-5=40

26. ## Statistic

We thought if we each post a question you would answer our question. This is not a game we need help for our statistics math course before Monday day

27. ## Statistic

test consists of 10 multiple choice questions with five choices for each question. As an experiment, you GUESS on each and every answer without even reading the questions. What is the probability of getting exactly 7 questions correct on this test?

28. ## science

A 2.1kg soccer ball is struck with a 45N force for .3 seconds. What is the Frictional force if the ball rolls for 11 seconds before stopping.

98. ## math

Suppose 8 out of every 20 students are absent from school less than five days a year. Predict how many students would be absent from school less than five days a year out of 40,000 students.

99. ## Math

A survey reported that out of 50 teenagers, 9 said they get their news from a newspaper. At this rate, how many out of 300 teenagers would you expect to get their news from a newspaper?