# sammi

Most popular questions and responses by sammi
1. ## math help plz really urgent

1. The formula M=log I/S determines the magnitude of an earthquake, where I is the intensity of the earthquake and S is the intensity of a “standard earthquake.” How many times stronger is an earthquake with a magnitude of 8 than an earthquake with a

2. ## Physics

The human ear canal is approximately 2.3 cm long. It is open to the outside and is closed at the other end by the eardrum. Estimate the frequencies (in the audible range) of the standing waves in the ear canal. Express your answers using two significant

3. ## Algebra

You pay \$1 to rent a movie plus an additional \$0.50 per day until you return to the movie. Your friend pays \$1.25 per day to rent a movie. a: make tables showing the costs to rent a movie up to 5 days. \$1.50 \$2.00 \$2.50 \$3.00 \$3.50 \$1.25 \$2.50 \$3.75 \$5.00

4. ## math

how do i find (d^725/dx^725)(sin x) is this a derviative problem? can someone help me solve it?

5. ## calculus

use a(t) = -32 ft per second squared as the acceleration due to gravity.An object is thrown vertically downward from the top of a 480-ft building with an initial velocity of 64 feet per second. With what velocity does the object hit the ground? This type

6. ## math

Chicago, Illinois has a longitude of 88 degrees West and a latitude of 42 degrees North. Indianapolis, Indiana is located at 86 degrees West and 40 degrees North. At this longitude/latitude, each degree is about 53 miles. What is the distance between

7. ## science

Which of the following materials would not be important to a protozoan? a) enzymes b) oxygen c) water d) blood e) carbohydrates Is is enzymes?

8. ## U.S History- 8th grade

What was the geography and economy like in the England colonies, middle colonies, and southern colonies? Do you guys know any good websites to check out?

9. ## Chemistry

a compound has an empirical formula of C3H5O2 and a molar mass of 145,14g. what is the molecular formula of this compound?

10. ## pre- algebra

The perimeter of a triangle is 24 cm. One side is 2 cm longer than the shortest side. The longest side is 2 cm less than twice the length of the shortest side. Find the length of each side of the triangle.- write equation and solve.

11. ## science

Which of the following materials would not be important to a protozoan? a) enzymes b) oxygen c) water d) blood e) carbohydrates Is is enzymes?

12. ## math

on earth, in the absence of air, the rock in excersise 13 would reach a height of s=24t- 4.9t^2 meters in t seconds. How high would the rock go? (exercise 13:a rock thrown vertically upward from the surface of the moon at a velocity of 24m/sec reaches

13. ## SCIENCE (Drugs)

(fill in the blank) Addictive drugs produce changes in one particular group of synapses that use the neurotransmitter _______________.

14. ## science

Question: what do you think will happen to the rate of reaction if the concentration of enzyme is increased to five drops?Predict what thte rate would be for 5 drops. Answer:Roughly, the rate doubles when the concentration of enzyme doubles. Since the data

15. ## physics

what is the value for k if a spring stretches 0.4m when submitted to a 1800N force? How much force is needed to keep a 23 kg box moving at a constant velocity across a warehouse floor if the coefficient of friction between the box and the floor is 0.88?

16. ## Physics

At 1:00 p.m. a car, traveling at a constant velocity of 80 km/h toward the west, is 31 km to the west of our school.

17. ## science

Where are the enzymes maltase, sucrase,and lactase produced? Is it the small intestine?

Name three reasons people left England to come and colonize the New World. They wanted riches, land, and place to start a new life. What happened to the people of Roanoke? They disappeared, and no one knows why or where they went. Are my answers right? I'm

19. ## Science/English

Here is my Science presentation, I'm having trouble with the last two sentences. What would you put as the last two sentences? Computer Technology My presentation is about how computers have changed from the past to the present. Then what I think is going

20. ## Psychology

Teenage mothers who are accustomed to existing on hamburgers, French fries, and cokes need to consider the nutritional needs of the child. Research has shown that a poor diet can: a. restrict the development of eye and hair color. b. produce prenatal

21. ## hcs/335

How might a manager deal with elements of an organization’s culture that are, or are perceived as, inconsistent? Please provide a clear and relevant example.

22. ## science

If waste products of an aquatic single celled organism were released by the organism into the pond, how would that affect the organism’s ability to obtain oxygen from the pond water?

23. ## math

the position of a body at time t sec is s=t^3 - 6t^2 + 9t m. Find the body's acceleration each time the velocity is zero.

24. ## physics

A diver springs vertically upward with an initial speed of 1.7 m/s from a diving board that is 3.2 m above the water. Find the speed with which she enters the water, assuming completely vertical motion.

25. ## physics

If a ferris wheel has the radius of 5 meters, and one revolution takes 32 seconds, what is its speed?

27. ## Science

A solution has a density of 3/mL. How many grams are needed to obtain 10.0mL of solution?

28. ## hcs/341

What employment laws have the most effect on health care organizations? Why?

29. ## social studies

Does anyone know of some good websites that I could find how to build a medieval castle for my grade four project on medieval times.

30. ## physics

A transfer of heat occurs with a pot of 8.0 kg of water that changes from 400 degrees kelvin to 320 degrees kelvin. How much heat is absorbed or given off?

31. ## french

how would i use "battre" in a sentence. does it mean to fight with someone- so you would use it with avec or does it meanlike someone beat a disease?

32. ## math

find the deriviative of (4/3pi)(sin3t) + (4/5pi)(cos5t)

33. ## health

i was wondering whether anyone came accross a tory in a newspaper or magazine recently about something unbelievable related to health. I have to facilitate a discussion in my life ed class about a health topic and i thought i would find an unbelievable

34. ## History

How many years has it been since the first century to today?

35. ## physics

i'm not very good at physics and i have an exam tomorrow!! for the first one do i use the formula F=-Kx to make the answer -4500 ? and for the second i really have no idea what formula to use what is the value for k if a spring stretches 0.4m when

36. ## physics

In Harmonic Motion how does the value of g affect the time period of a pendulum?

37. ## THS

A motor does 25,000 J of work in 250 seconds. What is the power produced?

38. ## Algebra

Let x be any real number. Then the statement x^3 > 0 is true for a. x > 0 only b. x < 0 only c. no values of x d. all real values of x i think it's d but i'm not sure ;;

39. ## Maths

Chris spent 1/4 of his money to buy shirt .He spent 1/2 of remaining money to buy shorts.Given that Chris had left \$56 left. How mush money did he at first?

40. ## World History

Anyone know the effects of the Great Plague of Marseilles other than the Act of Parliament of Aix, the Mur de la Peste, and the civilian deaths? Also would 40% be the correct number of the population killed in Marseilles?

41. ## Psychology

It may be difficult to sooth a crying baby who needs to be fed and changed with Cuddling and toys. The strength of the physical needs in this situation support: a.secondary drive approach theory b.the incentive approach to motivation c.Maslow’s hierarch

42. ## english

please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

43. ## english

need to change all 1st and 2nd person pronouns to 3rd person pronouns for the following: We animals are the most complicated things you will find in the known universe. The universe that we know, of course, is a tiny fragment of the actual universe. There

44. ## physics

The slope of the tangent on a position time graph equals what?

45. ## Math

How do you solve a double sided variable? I am not sure what you are asking. Even so, since this is not my area of expertise, I searched Google under the key words "'double sided variable' math" to get this possible source:

46. ## Algebra

A number n is 150% of number m. Is n greater than, less than, or equal to m?

47. ## Algebra

Suppose that f(x)= (5x) _________ (x^2)−x−6 a. Determine the domain of f b. Determine the vertical asymptote(s), if any, of the graph of f c. Determine the horizontal asymptote(s), if any, of the graph of f d, Sketch the graph of f

48. ## Psychology

disadvantage of group intelligence tests include that a. all test taker must wait until all registered individuals arrive b. proctors are often inconsistent and allow some test takers a longer time to respond or to take testing breaks c. some test taker

49. ## hcs/335

what is the social responsibility of children's hospital boston? isn't it to keep the safety and wellbeing of the patients and people who are injured and for the stem cell isnt it to help them getr sronger and stay alive?

50. ## economic help!!!

what happens to an industry if a firm is making large economic profits?

51. ## COMPUERS

HELP!!!!! MY KEYBOARD IS STUCK ON CAPS LOCK AND ALL MY FRIENDS ARE MAD AT ME BECAUSE THEY THINK I AM YELLING! PLEASE TELL ME HOW TO GET MY KEYBOARD OFF OF CAPS LOCK!! ITS RUINING MY LIFE!!

52. ## english

please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

53. ## Math

The perimeter of a rectangle is 74 centimeters. The width is doubled and the length is halved. The new rectangle has a perimeter of 76 centimeters. Find the dimensions. Okay, so in class we're learning about Systems of Equations. What are the equations for

54. ## calculus

how to i evaluate the integral of dx/ (x^2 +9) with a u substitution of x/3? Can someone show this step by step?

55. ## health

i was wondering whether anyone came accrossa fascinating storiy in a newspaper or magazine recently about somethin unbelievable related to health. I have to facilitate a discussion in my life ed class about a health topic and i thought i would find an

56. ## Science

Hey....I need help with my homework. I'm in 9th grade, high school. Its pyhsical science about Atomic Math.. Heres the question: Multiply the atomic number of hydrogen by the number of electrons in mercury, which has an atomic number of 80.

57. ## Ka

she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i pic B am i cerrect ?

58. ## Math-unit rates

Find the unit rate for \$27.40 for 4 hours of work

59. ## Math-unit rates

160 words typed in 4 minutes?

60. ## Psychology

The research of Solomon Asch revealed that: a.participants in the study conformed to the erroneous group response in one-half of the trails. b.all participants in the study conformed to the erroneous group response in each trail. c.participants in the

61. ## algebra

xy squared-3z all over 3

62. ## math

what is 200000 times 56 =?

63. ## algebra

determaine if the two lines are parrallel , perpendicuar, or neither. line a: y = 4x line b: x + 4y = 2

64. ## Us History

In a well developed paragraph respond to the following. After reading about yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media have on the government’s decisions? Be sure to

65. ## Math (Geometry)

A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

66. ## Math-Geometry

I'm having trouble with these two questions about slopes and equation of a line: (A)-Find the slope of each segment (B)-Write an equation of the line that is determined by each pair of points 1. (0,0) and (6,-4) 2. (-3,2) and (7,-4) Thank you!

67. ## French

does "rester debout" mean to remain standing? if so, could i say I was very embarrassed because i remained standing while the rest of the class sat down : j'ai été très gêné parce que tout le monde dans la classe s'est assis mais je suis resté debout

Does anyone know of some websites that I could use to help build a medieval castle for my project.

70. ## BIOLOGY

What is an intestine with spiral value? What is a ventral mouth? :)

71. ## language arts

Melissa was not going to let Randy own the whole chorus . Q . the sentence means that Melissa ? A. wont let randy decide who will record the song . B. doesnt want randy to write the whole chorus c. wont let randy take credit for writing the whole song d

72. ## MATH

Unit rate for 12.64 for 8 packages of juice

73. ## Law

if ______ on the internet are not adequately phrased the researcher can pull up thousands of sites that are unrelated to the topic at hand a. responses b. queries c. classifications d. codes i think its B is that right?

74. ## Microeconomincs

Why does the Average Physical Product curve slope downwards?

75. ## SCIENCE

HELP ME!! EVERYONE IS MAD AT ME BCUZ THEY THINK I AM YELLING AT THEM BUT REALLY MY COMPUTER WILL ONLY DO BIG LETTERS! IF THERE IS A SOLUTION TO THIS PLEASE HELP ME. THIS IS NOT A JOKE.

A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

77. ## english

please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

78. ## english

please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

79. ## History

Can anybody help me find some primary sources on the typewriter?

80. ## History/Lang Arts?

Is there a word that describes how you express an idea? I am doing a project on the typewriter and I want the heading to be something like "The changing of..."

81. ## math

let x= t^2 + t and let y=sint a) find the deriviative as a funciton of t b) find d/dt(dy/dx) What does part b even mean and can someone show me how to figure this out?

82. ## physics

The horizontal acceleration of a projectile is what?

0.57 repiton

84. ## language arts

she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i don't understand so can You Give

85. ## Math-unit rates

Find the unit rate for \$27.40 for 4 hours of work

what happens to an industry if a firm is making large economic profits?

87. ## science

Secretin a) stimulates the release of alkaline products by the pancreas b) stimulates the gastric juices c) is released by the salivary glands d) decreases the stomach's churning activity e) stimulates the release of digestive enzymes I think that the

88. ## U.S History- 8th grade

What was the major difference between the three regions? (geographical difference) The regions are england, middle and southern.

89. ## english

what are phrases that mean someone has gone crazy: My first example: See flew way over the cucoos nest

90. ## BIOLOGY EEI

needing some ideas on an extended experimental investigation on how chemicals stimulate plant growth (maybe a crop or vegetables)

1. ## Math

The anwser is 0.38. It’s because 25.14 - 24.78 = 0.38, 24.78 -24.38 = 0.38, and 24.38 - 24 = 0.38. The common difference is 0.38

posted on January 7, 2019
2. ## Algebra

it becomes positive

posted on May 17, 2018
3. ## American Government

posted on November 15, 2016
4. ## math

130 - 4 = 126 126 : 7 = 18

posted on September 7, 2016
5. ## language arts

C restless Am i cerrect ?

posted on April 10, 2013
6. ## Physical Science

can you uncramble this? F E C Y M R A N T A T S I D M I L O W O H F R S

posted on October 4, 2012
7. ## Psychology

oh ok so its C! thanks

posted on October 26, 2011
8. ## physics

You desperately want to qualify for the Olympics in the long jump, so you decide to hold the qualifying event on the moon of your choice. You need to jump 7.52 m (and conveniently beat Galina Chistyakova's record) to qualify. The maximum speed at which you

posted on September 25, 2011
9. ## hcs/335

can someone help me i just need to know if it is right

posted on March 4, 2011
10. ## hcs/335

thats what i mean i do not uderstand the question, can you elaborate for me?

posted on February 9, 2011