# Meredith

1. ## chemistry

3. If 15.0 mL of a 1.5M HCl solution at 21.50C is mixed with 25.0mL of a 1.5M NaOH solution at 21.50C that is in a calorimeter, and the final mixed solution temperature rises to 28.50C, what is the ΔHrxn for this process? Assume that Ccalorimeter =
2. ## Algebra

Larry has an annual return of \$213 from \$3000 invested at simple interest summit 5% and the rest at 8% how much is invested at each rate?
3. ## Pre- calculus

Change the equation to rectangular coordinates: r= 2(sin theta-cos theta)
4. ## pre calculus

change the equation to rectangular coordinates: r= 2(sin theta -cos theta)
5. ## Pre calculus

in the equation r= 5/(sin theta +2cos theta) the letters r and theta represent polar coordinates. Write the equivalent equation using rectangular coordinates. Thanks :)
6. ## pre calculus

in the equation (x-4)^2+y^2=16 the letters x and y represent rectangular coordinates. Write the equivalent equation using polar coordinates. solve for r
7. ## math

1)solve the equation p=log(squareroot8)/log(2) 2)hence solve the equation log(31+log(16)/log(x))/log(9)=log(squareroot8/log(2)
8. ## algebra 1

Jacob spends 60 minutes in the gym every day doing freehand exercises and running on the treadmill. He spends 30 minutes more running on the treadmill than doing freehand exercises. Part A: Write a pair of linear equations to show the relationship between
9. ## Psychology Questions

I need help with a couple Psychology questions. 1. For most people, the ability to create language originates in the________. A. hypothalamus B. thalamus C. right hemisphere D. left hemisphere **My answer=D 2. Facts leanred in classes at school become part
10. ## Psychology

Hello, I am in need of help with a psychology question. Here is the information that was provided: Psychologists use field observations, laboratory experiments, and other methods to gather data relevant to their research questions. When sufficient data
11. ## Psychology

Hello, I am in need of help with a psychology question. Here is the information that was provided: Psychologists use field observations, laboratory experiments, and other methods to gather data relevant to their research questions. When sufficient data
12. ## Math

Please help me! I know I am not showing my work but I don't even know how to solve these! Please help me! Tell whether the given equation has the ordered pair as a solution. 1. y = 6x; (3,16) 2. y = -4x; (-2,8) 3. y = x - 3/4; (2,1 1/4) PLease help me
13. ## Math

For the most recent year available, the mean annual cost to attend a private university in the United States was \$20,082. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is \$4,500. Ninety-five
14. ## Satistics

Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of \$2,175 per hour and a standard deviation of \$175. What is the operating cost for the lowest 10 percent of the airplanes? (Round z value to 2
15. ## Math

A store has found that 60% of their customers spend more than \$75 each visit. What is the probability that the next two customers will spend more than \$75.
16. ## Chemistry

A+2B--->2C Kc=2.27 2c--->D Kc=0.144 Calculate the equilibrium constant for the reaction D--->A+2B
17. ## Physics

A dolphin jumps with an initial velocity of 13.0at an angle of 44.0 above the horizontal. The dolphin passes through the center of a hoop before returning to the water. If the dolphin is moving horizontally when it goes through the hoop, how high above the
18. ## Physics

A dolphin jumps with an initial velocity of 13.0at an angle of 44.0 above the horizontal. The dolphin passes through the center of a hoop before returning to the water. If the dolphin is moving horizontally when it goes through the hoop, how high above the

Follow instructions: 1) Write the word SOLAR. 2) Add the 5th letter of the alphabetto the right of the last letter from the left. 3) Remove the 19th letter of the alphabet and replace them with the 14th letter of the Alphabet. 4) Remove all vowels EXCEPT
20. ## Managerial Finance

The cost of capital for Goff Computers,Inc
21. ## Macroeconomics

The annual nominal rate of interest on a bank certificate of deposit is 12%. What would be the effect of an inflation rate of 13% and why?
22. ## math

How many edges are in K15, the complete graph with 15 vertices. Any help would be appreciated, thanks.
23. ## Math

Consider the graph with V = [A, B, C, D, E] and E = [AX, AY, AZ, BB, CX, CY, CZ, YY]. Without drawing a picture of the graph a. List all the vertices adjacent to Y b. List all the edges adjacent to c. Find the degree of Y d. Find the sum of the degrees of
24. ## Math

Three partners are dividing a plot of land among themselves using the lone-divider method. After the divider D divides the land into three shares s1, s2 and s3, the choosers C1 and C2 submit their bids for these shares. Suppose that the chooser’s bids
25. ## Math

Jim and Paula jointly purchase the half sausage-half veggie pizza for \$21. Suppose that Paula values veggie pizza three times as much as she values sausage pizza. Find the dollar value to Paula of each of the following pieces of pizza: a. The veggie half
26. ## Math

Consider the weighted voting system [75: 31, 29, 23, 16, 8, 7]. Find each: a. The total number of players b. The total number of votes c. The weight of P3 d. The minimum percentage of the votes needed to pass a motion 9rounded to the next whole percent)
27. ## Math

Using the Borda Count Method, find the winner of the election A has 3106 votes B has 3134 votes C has 2816 votes D has 3024 votes
28. ## Math

Using the Borda Count Method, find the winner of the election A has 3106 votes B has 3134 votes C has 2816 votes D has 3024 votes
29. ## Math

If you buy a \$1395 savings bond that pays 4.3% annual simple interest. Determine the value of the bond after 7 years.
30. ## Math

Suppose \$3500 is invested in an account with an APR of 11% compounded monthly. Find the future value of the account in 3 years.
31. ## Math

Suppose you buy a \$1395 savings bond that pays 4.3% annual simple interest. Determine the value of the bond after 7 years.
32. ## Math

A tuition bill was \$4360. If she paid \$6052 what's the percentage increase on her tuition. (Could you please show me how you get this answer so I'll have an idea on how to do the others that are similar)
33. ## Math

A vending machine has marbles of 4 different colors: Red, blue, purple,and yellow. The marbles are well mixed. You drop a quarter into the machine and you get 2 random marbles. Write out the sample space for the experiment. The sample space should be N =
34. ## Math

A band has 25 new songs, how many different ways are there for the group to record a CD consisting of 12 songs chosen from 25 new songs. ( The order in which the songs appear on the CD is relevant).
35. ## Math

Find the odds of an event E with Pr(E)=5/8
36. ## math

There is a total of 25, how many different sets of 12 can you get from that. The order is not relevant.
37. ## Math(differential equations)

An 8 lb weight stretches a spring 8 feet. The weight is moving through a surrounding medium that has a damping effect equal to the instantaneous velocity of the weight. Initially the weight is displaced 4 feet below the equilibrium position with a downward
38. ## Geometry

The area of a trapezoid is 80 square units. If its height is 8 units, find the length of its median.
39. ## Geometry

Richard is flying a kite. The kite string makes an angle 57 with the ground. If Richard is standing 100 feet from the point on the ground directly below the kite, find the length of the kite string.
40. ## Pre Calc

ln (x^2 +x-12)=3ln2
41. ## MAth

1/2ln(x+3)-lnx=0
42. ## English Comp.

Is this a decent thesis statement? Developing cultural competence skills for students in Schools of Pharmacy requires hands on learning experience that Service learning offers.
43. ## English Comp.

I'm hoping this is a better thesis statement, please let me know. "Although most Schools of Pharmacy have added cultural competency training to their curriculum, not all have added the Service learning experience, which should be a requirement for all
44. ## English Comp.

Is this a decent thesis statement or is it too long? The imbalance in racial diversity in the field of pharmacy brings a need for more in-depth cultural competency training programs in colleges of pharmacy so they can better understand, relate, and provide
45. ## English Comp.

I need help writing a sentence outline for my paper. My thesis statement is: "There is a noticeable imbalance in racial diversity in the pharmacy field, prompting needed reforms in Schools of Pharmacy training programs of cultural competence". I also would
46. ## Organic Chem I Lab

I had to react 1-propanol with NaBr and H2SO4. I refluxed for one hour and when attempting to separate out the product (product was supposed to be 1-bromopropane) via sep funnel either could no longer distinguish between the organis layer and the aqueous
47. ## Organic Chem I Lab

I had to react 1-propanol with NaBr and H2SO4. I refluxed for one hour and when attempting to separate out the product (product was supposed to be 1-bromopropane) via sep funnel either could no longer distinguish between the organis layer and the aqueous
48. ## Algebra I

Pump A, working alone, can fill a tank in 3 hours, and pump B can fill the same tank in 2 hrs. If the tank is empty to start and pump A is switched on for one hour, after which pump B is also switched on and the two work together, how many minutes will
49. ## chemistry

why does the pH of an aqueous solution change after HCl solution has been added
50. ## College Algebra

Can we try this again? I already posted this question and thank you for responding but I just don't understand. I am posting it again because I need to clarify that I have formulas my professor has us use but since I've never come across a problem like
51. ## College Algebra

When a certain drug is taken orally, the concentration of the drug in the patients bloodstream after t minutes is given by C(t)=0.06t-0.0002t^2, where 0 is less than or equal to "t" which is less than or equal to 240 and the concentration is measured by
52. ## College Algebra

Quadratic Function problem: When a certain drug is taken orally, the concentration of the drug in the patients bloodstream after t minutes is given by C(t)=0.06t-0.0002t^2, where 0 ≤ t ≤ 240 and the concentration is measured by mg/L. When is the
53. ## geometry

I have a question: My textbook says "The surface of a right prism is 224 sq. feet, and the length of a side of the square base is one-third the height. What are the dimensions of the prism?" How do I find out the dimensions when I don't know the height or
54. ## Physics Lab

Can someone please help me? I need some ideas, I am totally stuck...I posted as the same name as I am now! Please! thanks
55. ## Physics Lab

Hey there, I did a lab in which a wooden board was taken and then a dynamics cart was dropped down it. Four markings of different incriments were marked on the board, so that when we dropped it, we could record the time it took for the cart to reach a
56. ## Math/spanish

how do you translate the number 501,289 into the spanish written form? (five hundred one thousand two hundred eighty nine)in spanish?
57. ## physics

A uniform plank of length 5.6 m and weight 203 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 440 N walk on the overhanging part of the plank before
58. ## physics

One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 160 N. What is the radius of the brass ball? Well, the tension is from the brass ball, and you are given the weight as 160N.
59. ## physics

A solid cylindrical disk has a radius of 0.16 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. When a 50 N force is applied tangentially to the disk, perpendicular to the radius, the disk acquires an angular
60. ## physics

Two thin rectangular sheets (0.06 m 0.52 m) are identical. In the first sheet the axis of rotation lies along the 0.06 m side, and in the second it lies along the 0.52 m side. The same torque is applied to each sheet. The first sheet, starting from rest,
61. ## calculus

The function f has derivatives of all orders for all real numbers x. Assume f(2)=-3, f'(2)=5, f''(2)=3, and f'''(2)=-8. The fourth derivative of f satisfies the inequality, the (absolute value of f''''(x))
62. ## calculus

Let f be a function that has derivatives of all orders for all real numbers. Assume f(0)=5, f'(0)=-3, f''(0)=1, and f'''(0)=4. Write the third-degree Taylor polynomial for h, where h(x) = integral of f(t)dt from 0 to x, about x=0 for this part, I got