# Sammie

Most popular questions and responses by Sammie
1. ## science

A tire 0.500 m in radius rotates at a constant rate of 200 rev/min. Find the speed and acceleration of a small stone lodged in the tread of the tire ( on its outer edge ).

2. ## Physics urgent

An archer shoots an arrow with a velocity of 45.0m/s at an angle of 50.0degrees with the horizontal.An assistant standing on the level ground 150m downrange from the launch point throws an apple straight up with the minimum intial speed necessary to meet

3. ## Physics help!!

A tire 0.500 m in radius at a constant rate of 200 rev/min.Find the speed and acceleration of a small stone lodged in the tread of the tire( on its outer edge).

4. ## Science

True or False 1) All living things must eat other living things for food. 2) Plants can make their own food. 3) Plants don't need oxygen, only carbon dioxide. 4) Animals eat plants or other animals that eat plants. 5) Many living things need oxygen to

5. ## Physics

A science student is riding on a flatcar of a train travelling along a straight horizontal track at a constant speed of 10.0 m/s.The student throws a ball into the air along a path that he judges to make an initial angle of 60.0 degrees with the horizontal

6. ## Chem 2

Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH

7. ## Chemistry 2

The pH of a 0.175 M aqueous solution of a weak acid is 3.52. What is Ka for this acid ?

8. ## physics

A uniform 1.3-kg rod that is 0.80 m long is suspended at rest from the ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unstretched. Their spring

9. ## math

there are 14 blue marbles, 8 red marbles, and 12 green marbles in a jar. what is the ratio of the total number of marbles to the number of red marbles? PLEASE HELP ME!!! If you can please post all answers!!

10. ## Physics

A circus performer juggling while standing on a platform 15.0-m high tosses a ball directly upward into the air at a speed of 2.0 m/s. If it leaves his hand 0.5 m above the platform, what is the ball's maximum altitude? If the juggler misses the ball, at

11. ## PHYsics URGENT

the deepest part of the ocean is 10,900 meters deep. a) calculate the absolute pressure at that depth in units N/m^2. Use the mass density of sea water, 1030 kg/m^3. see part b for more info b) one atmosphere of pressure is about 1.013 X 10^5 N.m^2. How

12. ## Physics urgent pls!

A ball is tossed from an upper-storey window of a building.The ball is given an initial velocity of 8 m/s at an angle of 20 degrees below the horizontal.it strikes the ground 3s later .(a) How far horizontally from the base of the building does the ball

13. ## Math

I feel silly asking this question, but what's the proper way to write 13.85 cents? Is it .1385 cents?

14. ## Statistics

In a normal distribution of scores, four participants obtained the following deviation scores: +1, -2, +5, and -10. (a) Which score reflects the highest raw score? (b) Which score reflects the lowest raw score? (c) Rank-order the deviation scores in terms

15. ## Chem2

The Ksp for Ag2SO4 is 1.1x10^-5. Calculate the standard free energy change for silver sulfate dissolution at 25 degrees.

16. ## Chemistry 2

Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH

17. ## consumer math

You (or your parents) purchase a used car for \$15,876.00 plus 5.25% sales tax. The down payment is 10% of the total cost and you ( or your parents ) have an excellent credit rating. What is your principal balance at the start of the loan?

18. ## Geometry

I have several questions, because my geometry final is tomorrow. I've completed most of the review, but can't seem to figure out these questions. It would be great if someone could tell me how to solve each equation. 1. Find the radius of the circle with

Calculate the change in internal energy of a system if 25000 J of heat is added to the system while the system does 40000 J of work on its surroundings. Does this represent an increase or decrease of internal energy?

20. ## Physics

400 grams of a metal at 300 C is added to 100 grams of of water at 20 C. Assuming all the heat lost by the metal is gained by the water and that the final temperature or water and metal is 95 C, calculate the specific heat of the metal. Using grams and

21. ## >>>>>>>>AP SCIENCE

What is the light spectrum for copper sulfate? What color flame does copper sulfate create when it is reacted with fire?

22. ## Statistics

As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78

23. ## Physics

There are 2 point charges. Q1 is 4nC and is at (-2,0). Q2 is -2nC and is at (0,3). How much work does the electric field do when a third point charge of +3.00 nC is moved from infinitely far away and placed at the origin? I know infinitely far means Va

24. ## PHYsics URGENT

a 7.0 kg object weighs 55 N when submerged and weighed in water. A) what is the value of the buoyant force of the water on the object b) what weight of water is displaced by this object? c) water weighs 0.0098 N per cubic centimeter. What volume of water

25. ## life orientation

Examine how each of the following are responsible for road accidents and propose practical solutions by the community to the competence of the drivers,substance abuse,pedestrians,cyclists and livestock

26. ## math

a ball is dropped 128 feet from the roof of a building with each bounce the ball goes up exactly half its previous height. A man is sitting at his desk on the second floor. How many times will he see the ball if his eye level is 15 feet above the ground?

27. ## word problem

A 62 foot rope hangs from the top of a pole. When pulled taut to its fullest length the rope reaches a point on the ground 31 feet from the base of the pole. Find the height of the pole to the nearest tenth of a foot. Let p equal the height of the pole.

28. ## Statistics

Foofy says a deviation of +5 is always better than a deviation of -5. Why is she correct or incorrect?

29. ## Statistics

Assume that the data in question 25 reflect a highly skewed interval variable. (a) What statistics would you compute to summarize these conditions? (b) We compute them to be 14, 12, and 8.5, respectively. What conclusion about the study should you draw?(c)

30. ## Physics help!!

An archer shoots an arrow with a velocity of 45 m/s at an angle of 50 degrees with the horizontal.An assistant standing on the level ground 150m downrange from the launch point throws an apple straight up with the minimum intial speed necessary to meet the

31. ## Accounting

I have most of them done but would like to have these ones double checked... Please Help!!! 12. Research and development costs (R&D) are generally A. listed as "long-term assets" on the balance sheet. B. expensed and become part of the income statement. C.

32. ## U.S history 8th grade

who was the founder of roanoke island? that is the last question on my U.S history worksheet!!!!!

33. ## Economics

Do government statisticians calculate GDP by simply adding up the total sales of all business firms in one year? Explain..

34. ## algebra

HELP!! It takes 64 inches of ribbon to make a bow and wrap the ribbon around a the box. The box takes 30 inches of ribbon. The width of the box is 12 inches. What is the height of the box?

35. ## Math

|x-4/2|-1 > or equal to 7

36. ## physics

how much heat must be added to 4.00 kg of aluminum to cause its temperature to rise from 22 degrees C? unit of answer must be joule

37. ## Math (Algebra)

solve by factoring: 7y^2+12y+13=3y^2+4

38. ## English

The questions says, he is always late unfortunately. Late is the word underlined. Is late an adjective ?

39. ## science

Which planet by itself contains the majority of mass of all the planets? saturn jupiter uranus venus earth

40. ## algebra

How many black keys are there in one octave?

41. ## Science-9th

Which of the following are characteristics of all animals? A.multicellular, haploid cells that divide by mitosis, organisms with organ systems B.multistage zygote development, vertebrates, reproduce sexually C.99 percent invertebrates, heterotrophs,

42. ## Science

What is the light spectrum for copper sulfate? What color flame does copper sulfate create when it is reacted with fire?

43. ## Math

I need a little help please. 7/12 ____ = 1/3 The answer I came to is 1 3/4 is this correct?

44. ## Outline

I know i'm getting annoying with all of these questions but I need help on one more. Can you give me a link to find the recreation of Port St Lucie?

45. ## Chem2

Copper(II) iodate precipitates from iodate solution. The formula of the precipitate is CU(IO3)2. A saturated solution of this substance was made in 0.01 M KLO3. The copper concentration was found to be 0.0013 M. Determine the [IO3-] and Ksp of the

46. ## math

can you multiply unequal groups?

47. ## college

I have to write a paper 500-750 words addressing the following. (1)What are the essential components of a worldview. And (2)what is your personal worldview and how does it affect your decision making.On the second question i would like to know the

48. ## Calculus

So I have a function of two variables f(x,y)=y^x. where is this function continuous? I'm thinking that the only restriction that applies is y>0

49. ## History

I don`t know the answer to this question. How did common criminals serve the NAZI Third Reich? I looked everywhere. I can`t find an answer. =[

50. ## physics

An automobile that has a mass of 1.3 x 103 Kg, has 3.9 x 105 J of kinetic energy when it has speed of 24.6 m s-1 (88.6 km h-1). What height should you lift the car to have this energy?

51. ## algebra

how do i find the possible range of this measurement - 25 ft +(the plus sign is underlined) 1%

52. ## Math

Help please, one third of negative 18

53. ## political science

The Lilly Ledbetter Fair Pay Act was passed by President Obama in 2007 in order to address what issue?

54. ## PHYsics 101

How much heat must be added to 4.00 kg of aluminum to cause its temperature to rise from 22°C to 252°C unit of answer must be Joule

55. ## Chemistry

cube of aluminum that measures 5 cm on each side is added to a 500 ml- graduated cylinder containing 200 ml of water.  What is the new level of the water in the graduated cylinder after the cube of aluminum is added?

56. ## life orientation

Evaluate the effectiveness and ineffectiveness of the following government's initiatives to reduce road accidents in the country

57. ## Social Studies

How did the development of the industry impact the expansion of the United States? Please help me I don't understand

58. ## Physics

Can someone please help me solve this question please: In the following position as a function of time equation, find the units of the constants A, B, and C. Where x is the position and has units of L, and v is velocity, and t is time.  x = Av + Bt^2 + C

59. ## Math

If I spoke to someone for 60 minutes and then spoke to them again for 41 minutes, would that mean I spoke to them for 1 hour 41 minutes? 60+41=101 minutes?

60. ## algebra

joe is going to build a retangular lap pool. the perimeter of the pool will be 240 feet. the length of the pool will be 20 feet more than 3 times the width. find the length and width

61. ## Outline

Can you help me find a link on Port st lucie's education? PLEASE ANSWER IF YOU SEE THIS.

62. ## 103 intro to philosophy and ethics

I was asked why is a worldview a complex of various components and how do those components cohere?

1. ## History

b a c 100% tysm!!!

posted on November 26, 2018
2. ## Social studies

1.A,D 2.D 3.B 4.C 100% Connections Academy Answers is correct trust me ! luv ya'll

posted on November 12, 2018
3. ## Language Arts

Correct

posted on October 6, 2017
4. ## Science

Is it 1 and 4?

posted on December 12, 2016
5. ## Science

Ms. Sue 1)T 2)F 3)F 4)T 5)T

posted on December 12, 2016
6. ## Math

How do I write the equation?

posted on June 22, 2016
7. ## Curriculum Areas

Come on. We won't do it for you it's easy

posted on April 7, 2016
8. ## math

No solution. Duh

posted on April 7, 2016
9. ## science

posted on April 7, 2016
10. ## Starcatcher

posted on April 7, 2016
11. ## Algebra

posted on March 15, 2016
12. ## Science

posted on March 15, 2016
13. ## political science

Is it Women making between 78% and 84% of what men make in their jobs?

posted on March 5, 2016
14. ## Social science

is it individual and group freedom?

posted on March 5, 2016
15. ## political science

so basically women making less than men?

posted on March 5, 2016
16. ## Social Studies

Okay Thankyou!

posted on May 28, 2015
17. ## Social Studies

I don't know. All it gives me is the key terms: Eli Whitney, Westward Expansion or Louisiana Territory

posted on May 28, 2015
18. ## Math

Wouldn't you multiply the 5 by 3 and the 3 by 5 because you're getting common denominators instead of adding?

posted on February 16, 2015
19. ## Math

Okay, Thank You.

posted on October 7, 2014
20. ## Physics help!!

Thank's,i do appreciate ur help.

posted on February 18, 2013
21. ## Physics

Thank you...

posted on February 17, 2013
22. ## Outline

But first can you tell me what recreation means in 6th grade language?

posted on January 10, 2012
23. ## Outline

never mind sorry, you were right, I was sadly wrong but thank you for caring.

posted on January 10, 2012
24. ## Outline

Thank you, and 'Writeacher' I kind of meant something more like Port St Lucie's education not edcation in port st lucie.

posted on January 10, 2012
25. ## algebra

x+15=85

posted on October 14, 2011
26. ## U.S history 8th grade

and thank you so much for the help you have given me, and used your time to helped me understand my worksheet! :-)

posted on September 6, 2011
27. ## U.S history 8th grade

oh ok, its maybe how i read it that's maybe why :-)

posted on September 6, 2011
28. ## U.S history 8th grade

and this question is weird to me: how were colony financed?

posted on September 5, 2011
29. ## U.S history 8th grade

oh ok, well i will put your men and the men in my book... cause i won't get points off for that cause i don't know so i will talk to my teacher about it :-)

posted on September 5, 2011
30. ## U.S history 8th grade

Ms.Sue~~ i reed the book like 5 times and says 2 names.... and they weren't those names

posted on September 5, 2011
31. ## U.S history 8th grade

ok cause my U.S history book says someone else but the school books can be wrong, and thank you so much to both of you :-)

posted on September 5, 2011
32. ## U.S history 8th grade

and i need the answer fast :\

posted on September 5, 2011
33. ## math

posted on February 12, 2011
34. ## math

posted on February 11, 2011
35. ## math

posted on February 11, 2011
36. ## algebra

-20j+5

posted on October 12, 2010
37. ## Chem 2

HNO3 ?

posted on September 23, 2010
38. ## grammar

a predicate is one of the two main parts of a sentence the other being the subject, which the predicate modifies. so with that i think its "live in the cold"

posted on September 23, 2010