# Sandi

Most popular questions and responses by Sandi
1. ## Physics

A father pushes horizontally on his daughter's sled to move it up a snowy incline, as illustrated in the figure, with h = 3.9 m and θ = 11°. The total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners

2. ## Science

which of the following body systems does not rely on the autonomic nerve system to stimulate involuntary events?

3. ## math 20 system of equations

I have been solving system of equations graphically and using addition and subtraction and now I'm being asked: Give any linear system of two equation that has a solution of (3,5). Does it have to be in y=mx+b form and if so how do I do it? I've been

5. ## English

I need to identify the gerund or gerund phrase and identify it as a subject, a predicate noun, a direct object, or an object of a preposition. Or identify the sentence as one with no gerund. I need help with the following sentences. 1. It was time for

6. ## philosophy

Describe the historical developments of both traditional and modern ethics. What is the connection between the two developments?

7. ## Physics

During an acceleration, the angular speed of an engine increases from 900 rpm to 2800 rpm in 4.5 s. What is the average angular acceleration of the engine?

8. ## Physics

In a simulated head-on crash test, a car impacts a wall at 25 mi/h (40 km/h) and comes abruptly to rest. A 120 lb passenger dummy (with a mass of 55 kg), without a seat belt, is stopped by an air bag, which exerts a force on the dummy of 3000 lb. How long

9. ## Medical Insurance

I am having a difficult time finding a resource to site for why it is necessary to have both federal and state worker's compensation plans.

10. ## math

Suppose that 16 inches of wire costs 64 cents. At the same rate, how many inches of wire can be bought for 48 cents?

11. ## Algebra

A motorboat can maintain a constant speed of 26 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 35 minutes; the return trip takes 17 minutes. What is the speed of the river current?

12. ## Physics

A m = 1.4 kg object moving at v = 15 m/s collides with a stationary 2.0 kg object. If the collision is perfectly inelastic, how far along the inclined plane (37degrees) will the combined system travel? Neglect friction.

13. ## math 20 (finance)

Can someone walk me through how I would enter this into the calculator TMV solver. Can it be done? Jeremy has a balance owing of \$4000 on his credit card. The credit-card company charges 18.0% annual interest, compounded monthly. 1.) If Jeremy makes

Compare the chemical composition of biofuel and biogas to carbon dioxide which is the product of complete oxidation of glucose? Any help is greatly appreciated.

15. ## Physics

For a scene in a movie, a stunt driver drives a 1.90 103 kg pickup truck with a length of 4.09 m around a circular curve with a radius of curvature of 0.333 km (Fig. 7.29). The truck is to curve off the road, jump across a gully 10.0 m wide, and land on

16. ## social studies

I need to unscramble lulab used by sumerians

17. ## college physcial science

an 8 kg ball rolling at 2m/s bumps into a pillow and stops in 0.5s. Show that the force exerted by the pillow is 32N. How mych force does the ball exert on the pillow?

18. ## Physics

A 14000 N automobile travels at a speed of 50 km/h northward along a street, and a 7500 N sports car travels at a speed of 62 km/h eastward along an intersecting street. (a) If neither driver brakes and the cars collide at the intersection and lock

19. ## math 20 please check

Jacob is 25 yrs old and hopes to retire by 55. He invests \$22,000 in an RRSP that earns a rate of 9.7% per annum, compounded quarterly. What will his investment be at age 55? A=P(1+i)^n 2200(1+.097/4)^120 =\$390067 to get the 120 I did 55-25=30 then * by 4

20. ## Math

If someone takes out a Reverse Mortgage of \$200,000 at 6.8% Interest how much will they owe in five years time and ten years time

21. ## Stitistics

An oil change company advertises that they can change the oil in your car in 15 minutes. Based on the data collected below, what is the probability that oil change will take more than 15 minutes? Using this example as a template, post a similar example

22. ## algebra

a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball

23. ## Algebra

Maria bicycles 6km/h faster than Praedup. In the same time it takes Praedup to bicycle 54km, Maria can bicycle 72km. How fast does each bicyclist travel?

24. ## NEED HELP!! ALGEBRA

A motorboat can maintain a constant speed of 26 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 35 minutes; the return trip takes 17 minutes. What is the speed of the river current?

25. ## English

For the poem below named the new colussus i have to define what the new world is being portrayed as but i don't understand it, if someone can help me please : Is anyone familiar with the poem the new colossus : The New Colossus Not like the brazen giant of

26. ## HUM/176

in my assignment it asks me to compare and contrast information in the news stories as well as how they are presented. It also asks to answer the following questions, what links are included and how does the commentary associated with the stories and

At the end of each month, Jacob puts \$400 into an account that pays 6%, compounded semi-annually. Use your graphing calculator to determine how much Jacob will have after 25 years? Show how you obtained your answer by filling in the following as if it was

28. ## Math 20(interest rates)

Determine the amount of interest charged on a loan of \$5000 at 6.75% per annum, compounded semi-annually for 3 years.

29. ## child care

a childs development is affected most by? I am not an expert, there are some of those around. The following is based on my experinece as a teacher and parent: 1) Genetics 2) Early childhood nuturing (touching, stimulation, holding, talking to, etc) 3)

30. ## algebra

Two commons sources of nicotine are cigarettes and cigars. Find the probability that a randomly selected adult does not smoke cigarettes.

31. ## math inequalities please check

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The lenght must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60

32. ## Econ

You are a team working for an economic consulting firm; your client is “The New Delmonico Steakhouse,” a high-end steak place with four restaurants in Manhattan. Your client is considering opening a single restaurant in Chicago (in the Loop), and wants

.34

34. ## math

Where K is a constant to be determined. If it took Ian 45 minutes to exit the stadium when there were 5,000 people who drove and 1,500 people who took public transportation, how much time will it take Ian to exit if there are 12,500 people who drove and

35. ## math

i am trying to figure out how much in interest would u have paid out on 18,000\$ if u paid it out over five yrs at 11%

36. ## human development 11th edition

Why is there a brief mention of religion in the life of elderly facing death? Is it bias?

Write an equation for a parabola with vertex(-2,4) and passing through (-1,8)? y=a(x+2)^2+4 8=a(1)+4 4=a

38. ## math 20

Jeremy has a balance owing of \$4000 on his credit card. The credit-card company charges 18.0% annual interest, compounded monthly. 1.) If Jeremy makes payments of \$300 every month, how much will he still owe after making 12 payments? 2.)Determine the

39. ## accounting

Cournot Company sells 100,000 wrenches for \$12 a unit. Fixed costs are \$300,000, and net income is \$200,000. What should be reported as variable expenses in the CVP income statement?

40. ## Math

\$2,035.50 X 12.45 How would this be multiplied?

41. ## Math

If it takes 22 seconds on average to clean one product how many minutes will it take to clean 1000 ?

42. ## math

Where K is a constant to be determined. If it took Ian 45 minutes to exit the stadium when there were 5,000 people who drove and 1,500 people who took public transportation, how much time will it take Ian to exit if there are 12,500 people who drove and

I have two questions That I need help with please!! 1. solve the following exponential equation. what is the exact solution? what is the decimal approximation when rounded three decimal places? 2.

44. ## chemistry

How long would it take to melt a 400 lb.block of ive at a temperature of 55 degrees

45. ## English

Need help in describing the new worlld, what is it being portrayed as in this poem please thank you Not like the brazen giant of Greek fame, With conquering limbs astride from land to land; Here at our sea-washed, sunset gates shall stand A mighty woman

46. ## human development 11 edition

Menopausal syndrome may be related to personal characteristics or past experiences?

47. ## math11Plelase check

Hi I need to write these systems of equalities in slope intercept form so I can graph them. 20x+4.5y

48. ## math inequalities please check

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The length must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60

49. ## Math

what is 837 divided by f=31?

50. ## Financial Management

I need to know how to find the fixed cost and the variable cost along with the break even point using this information. During the sixth month of the fiscal year, the program director of the Westchester Home-Delivered Meals (WHDM) program decides to again

51. ## his

how Reagan’s policies reflected conservative politics and contributed to stimulation of the economy.

52. ## chem.

it's value for gold is 19 grams per cubic centimeter

53. ## Math - Geometry

In a quadrilateral, how do I find the measure of angle AHM that is 3x+5 and another angle TMH is 7x-27?

54. ## Math

If the base of an isosceles triangle is decreased by 40% and its height is increased by 10%, then what is the percent change in the area of the triangle?

1. ## Statistics

A. The arithmetic mean sometimes have two values

posted on February 23, 2015
2. ## Physics

9 9 4.5

posted on December 11, 2013
3. ## Medical Billing & Coding

Well, the first answer is wrong. The answer should have been a combination of two of the given choices.

posted on September 26, 2013
4. ## science

Mycocardial Ischemia (decreased blood supply to the heart) Penn Foster students: page 30, last paragraph (dont cheat)

posted on December 31, 2012

it is the bouyantgirlant.

posted on September 7, 2011
6. ## Accounting

Investment X: You need \$200 more to recoup your initial investment of \$4000, which you can get from the third year cash flow of \$3700. You only need the pro-rata amount, which will be \$200/\$3700 = 0.054 year Pay back period for X = 2.054 years Investment

posted on April 2, 2011
7. ## Physics

where are you getting 6kg from?

posted on December 11, 2010
8. ## history

how Reagan’s policies reflected conservative politics and contributed to stimulation of the economy.

posted on April 15, 2009
9. ## physical education

not according to the olympic website

posted on March 5, 2009
10. ## science

Pockmarks Numerous circular to oblate depressions are concentrated in a roughly 8.6-km² area north of the Clumps moraine off the western tip of Fishers Island. The depressions are typically 5-6 m in diameter and extend about 0.2-0.3 m below the

posted on March 5, 2009
11. ## Medical Insurance

Thank You

posted on March 5, 2009
12. ## science.

kettle lake A lake formed in a kettle hole. kettle hole (plural kettle holes) (geology) A depression in the ground occurring as the result of a large block of ice getting buried by glacial outwash and subsequent melting of it.

posted on March 5, 2009