# amie

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

A person who is properly constrained by an over-the-shoulder seat belt has a good chance of surviving a car collision if the deceleration does not exceed about 30 "'s". Assuming uniform deceleration of this value, calculate the distance over which the

2. ## Physics

A stone is dropped from the roof of a high building. A second stone is dropped 1.51 later. How far apart are the stones when the second one has reached a speed of 12.6 ?

3. ## simple chem

a balloon with a volume of 1.375 L is released from earths surface at sea level. what will the balloon occuy at an altitude of 20.0km, where the pressure is 10 kpa? pleasee help!! show work please

4. ## chem

In the equation: 2Al+6HCl-->2AlCl3+3H2 Why is the hydrogen by itself instead of the chlorine? Al is above hydrogen in the activity series (sometimes called the electromotive force series); therefore, it replaces H. This is single replacement type reaction.

5. ## elementary alagbra

A pharmacist found at the end of the day she had seven fourths 7/4 as many prescriptions for antibiotics as tranquilizers. She had 44 prescriptions altogether. How many did she have for​ tranquilizers?

6. ## Algebra

A baseball player's batting average is the number of hits the player has divided by the number of at-bats. At the beginning of a game, a player has a batting average of .360. During the game, the player gets 3 hits during 5 at-bats, and his batting average

7. ## Math

Worldwide quarterly sales of a brand of cell phones was approximately q = −p + 176 million phones when the wholesale price was \$p. (a) If the cellphone company was prepared to supply q = 9p − 344 million phones per quarter at a wholesale price of \$p,

8. ## Precalc HW (NO IDEA HOW TO SOLVE)

Low Earth orbiting satellites orbit between 200 and 500 miles above Earth. In order to keep the satellites at a constant distance from Earth, they must maintain a speed of 17,000 miles per hour. Assume Earth's radius is 3960 miles. a. Find the angular

9. ## english

An effective speech delivery has all of the following qualities EXCEPT: A. speaker delivers message with impact. B. it is a result of the speaker’s natural talent and gift. C. influences audience to act or think favorably toward message. D. meets

10. ## Math

Find a linear equation whose graph is the straight line with the given property. Through (5, 9) with slope 2 I can't find the correct answer. I don't know where I did wrong Thanks.

11. ## chem

use boyles law to solve for the missing value in the following P1=0.75atm,V2=435ml,P2=0.48atm, V1=?

12. ## chemistry

In the reaction ZnO+2HCl=ZnCl2+H2O what is oxidized and what is reduced?

13. ## Mathematics

Low Earth orbiting satellites orbit between 200 and 500 miles above Earth. In order to keep the satellites at a constant distance from Earth, they must maintain a speed of 17,000 miles per hour. Assume Earth's radius is 3960 miles. a. Find the angular

14. ## physics

What is the force constant of a spring which is stretched 2mm by a force of 4N

15. ## Math

Assume it costs Microsoft \$4,300 to manufacture 7 Xbox 360s and \$8,290 to manufacture 14. Obtain the corresponding linear cost function. C(x)= (what formula do I use to get the cost function, because I can't get it) What was the cost to manufacture each

16. ## Biology

If a curly haired father and straight haired mother 8 children are born .the ratio of curly and straight haired will be ......

17. ## math 116

find an equivalent equation with the given denominator 7/b= ?/b squared the expression that is equivalent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivalent? 7/b = 49/b squared? Am I correct? Thanks

18. ## physical science

A 200.0 kg astronaut and equipment move with a velocity of 2.00 m/s toward an orbiting spacecraft. How long will the astronaut need to fire a 100.0 N rocket backpack to stop the motion relative to the spacecraft? 100*timefiring= mass*changevelocity

19. ## Science

A fossil for an extinct organism is found in layer B. A fossil for another extinct organism, very similar to the first, is found in layer C. What might be the relationship between these two organisms. Im so confused, can someone help.

My investment in Edgewater stocks is losing half its value every 2 years. Find and interpret the associated decay rate. If I use the formula y=100(1/2)^x (

21. ## chem

convert a pressure 1.75atm to kpa convert the pressure of 1.75atm to mm Hg convert a pressure of 570 torr to atmospheres

22. ## Math

How should I approach this, what formula do I use to solve and how do I solve it? How long, to the nearest year, will it take me to become a millionaire if I invest \$3000 at 9% interest compounded continuously? Thanks

23. ## algebra

5x -3 = 11 + 12x combine like figures add 3 to both sides to remove the 3 5x= 14+ 12x Now I get confused. If I remove the 12x I have to subtract 12x from 5x which gives me an answer of -7x=14 would the correct answer thus be x= -2? thanks

24. ## Algebra

A gardener combines x fluid ounces of a 20% liquid fertilizer and 80% water mix with y fluid ounces of a 5% liquid fertilizer and 95% water mix to make 30 fluid ounces of a 10% liquid fertilizer and 90% water mix. a. Write a system of linear equations that

25. ## Analytical Chemistry

Hi. We performed an experiment on UV-Vis Spectrometry, by testing the absorbance of KMnO4 and KCr2O7 solutions at different concentrations. We prepared the dichromate solutions with dilute sulfuric acid. Why didn't we use water, what is the purpose of

26. ## Physics

Two trucks, 300 km apart, are on a head-on collision course with one another. The first truck is moving at 100 m/s and the other is moving at 50 m/s in the opposite direction. A confused (but swift) fly starts from the front bumper of the faster truck and

27. ## chem

a gas volume has of v1=450ml. if the temp is held constant, what volume would gas occupy if the pressure p2=2p1? omg i cant figure anything out!!!!!!!!

28. ## spanish translation

please don't use any web translaters..most don't say th right things how would you say: my name is amethyst. i was born in ghana and came to america when i was 2 years old. i am short with dark skin and dark hair. I used to live in fontana but now i live

29. ## algebra

alberto drove to the lake and back. the trip there took two hours and the trip back took three hours. he averaged 20 km/h faster on the trip there than on the return trip. What was alberto's average speed on the outbound trip?

30. ## Geometry

The volume of a sphere is 3,000ð m3. What is the surface area of the sphere to the nearest square meter?

31. ## english 9

in the poem "the journey" by mary oliver,what is the "you" do in this poem?

32. ## english

I need a thesis statement of 450 words for why renting a house is a better option than buying a homr

33. ## vocabulary

which word is not an example of blending? a)housewife b)brunch c)telethon d)electrocute

35. ## physics

A car starting from rest and moving with variable acceleration possess average velocities 5m/sec, 10m/sec, 15m/sec in the first seconf and third seconds. What is the total distance covered by the car in these three seconds?

36. ## chemistry

We performed an experiment on UV-Vis Spectrometry, by testing the absorbance of KMnO4 and KCr2O7 solutions at different concentrations. We prepared the dichromate solutions with dilute sulfuric acid. Why didn't we use water, what is the purpose of sulfuric

37. ## vocabulary

the latin base CORD- means: a)hand b)eye c)heart d)head thank you so much for helping.

38. ## algebra

add the following - 4/7 + [ -7/20] 7*20= 140 so -60/140 + - 49/140= 11/140?

39. ## help

how do legalism and daoism differ/

40. ## Finance

If sales grew 20% from 10,000,000 to 12,000,000 and the discresinary financing needs is 500,000. What percent of sales grown would be needed to equal a DFN of zero.

41. ## chem

okay so i have the answers but i just wanted to see if i was correct Balance these equations..i need the correct answers 1.H2+CL2->HCL 2.Ag+2n->Zn2+Ag 3.Mn4+Cu+->Mn2+ +Cu2+

42. ## Math - function problems

1) A box with a square base has a total surface area of 12m^2. Express the volume of the box as a function of the base edge. 2) A 10 foot tall lamppost causes a child 4 feet tall to cast a shadow of x feet on the ground. If the distance along the ground

43. ## algebra

3/0 =? the answer is 0 but my options are to solve the equation if possible or say the answer is undefined. Is 0 undefined? I have no clue what an undefined answer is

44. ## SAT

im taking the Sat's tomorow..what are some great tips??

45. ## simple chem

what are the highly reactive elements the ones that react with electricity, noble gasses and the less reactive elements

46. ## chem

how do you solve for the combined gas law?..i ..I am very confused ..someone help by making it easier and clear since i am kinda slow.. ex.a sample of neon gas has a volume of 752ml at 25.0C. what will the volume at 50.0C be if pressure is constant

47. ## chem

For a double replacement reaction to occur, is it that one of the products must be insoluble and form a solid? There has to be some mechanism to remove the products from the reaction so that the reaction does not proceed in the reverse direction. Product

48. ## MATH

Reiny (Previous problem) better form would be to place the equal sign in front of each new line You also have errors -3(x + 3)- 2(x + 4) = -3x - 9 - 2x - 8 = -3x - 2x - 9 - 8 = -5x - 17 So -3 x 3 made -9. how did the 2 become negative, I thought it was a

49. ## Pre-Calculus

How do you solve this quadratic function? f(x) = −x2 + 10x

50. ## Calculus

I need to find the second derivative of y=x(x-1)^1/2. I found the first derivative is 2x-1/2(x-1)^1/2, if someone could check, but I am miserably stuck on the second derivative.

51. ## calculus

Write an equation of the line tangent to y=(9-x^2)^2/3 at x=1

52. ## algebra

find an equivalent equation with the given denominator 7/b= ?/bsquared the expression that is equivilent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivilant? 7/b = 49/b squared? Am I correct? Thanks

53. ## math

30/5x3-2 --------- 2-2/3 on the top part-do I divide 30 by 13, or divide 30 by 5 then multiply by 3 and subtract 2?

54. ## home economics

Please help me... what are the different kinds of stitch? and can u pls show me the sample picture for eah stitch?

55. ## spanish

how would you say I love all types of food, like chinese, hamburgers, italian and african.

56. ## Applied Math

can you explain the concept of multiplying this to me please \$42.25 X .67. Thank you in advance for the help

57. ## MATH

Reiny 22 ¡Ü 6x -2 ¡Ü 4x + 16 22+2¡Ü6x-2+2¡Ü4x +16+2 24¡Ü6x-4x¡Ü18 24/2 ¡Ü 2x/2 ¡Ü 18/2 12 ¡Ü x ¡Ü 9 I tried using 2 steps - how did I do?

58. ## MATH

is this correct? -4(x) + 3 < -3(x) + 5 -x + 3 - 3 < 5-3 -x/-x < 2/-x x>-2

59. ## MATH

Trying to solve problem -7x> - 2(x - 30 - 2x - 30 -30-30 -30/-5 x>6

60. ## health

what do you teach for 5th grade Health class?

61. ## geometry

In rectangle ABCD line EF joins the midpoint of line AB and BC. Line BE equals 5, line BF equals 12, find line EF, line AC and perimeter of the rectangle.

62. ## science

wearing down rock by the grounding of other rocks or sand is called

63. ## alg

if n+5-n+3 over n-3-n-5=16 what is the value of n this is an SAT question and i just cant seem to figure it out..even with pluggin in the numbers it never = 16...so help pls..what is the quickest way in solving this for the SAt's

64. ## chem

how do you convert grams to moles

65. ## simple chem

how to convert tempetarues.. i forgot . do yo add 273C to get to kelvins or do you subtract...vise versa..??

66. ## Physics

A cup of coffee with a mass of 300g is brewed using 9.5 x 10^4 J of energy. What is the mass gain of the cup of coffee from this heating?

67. ## MATH

Reiny - the problem with the different inequality signs was typed from the textbook. I will notify instructor Thanks Another problem 3

68. ## MATH

-3(x + 3)- 2(x + 4)= -3x + 9 - 2x + 8= -3x - 2x + 9 + 8= answer x + 17 is this correct

69. ## science

wearing down rock by the grounding of other rocks or sand is called?

70. ## alg 2

find the foci of the ellipse (x+5)^2/4+(y-1)^2/16=1

71. ## alg 2

what is the foci of the ellipse (x+5)^2/4+(y-1)^2/16=1

72. ## MATH

Using the proportion rule to solve this problem-is this correct? Enrollment in the Ski/Snowboard Club increased by 30% this year. There are now 182 students in the club. How many students were there last year? 182x100=18200/30=607 607-182=425 answer 425

73. ## MATH

Am I correct? A suit that normally sells for \$300 is on sale for \$225. By what percent has the price of the suit been lowered? 300-225=75, 75 x 100=7500, 7500/300=25 Answer 25%

74. ## MATH

Reiny, the problem with the answer x>-2, why divide by 1? Is it because you can't divide with variable? Reworked problem -7x>-2(x+15)-2(x+15) -7x + 2x > 30 -5x/-5 > 30/-5 x > -6 other side -2(x+15)

75. ## english

Please checked my grammar about how I described those quote. THank U in advanced. here is how I describe those quote: * Don't be frightened to be the be best you can. By doing that that, you can helps others to do the same. Our deepest fear is not that we

76. ## science

The "I WONDER...." PROJECT FROM SCHOOL.I AM TO COMPLETE THE QUESTION AND THEN RESEARCH THE FINDINGS ON A DISPLAY BOARD AND PRESENT IT TO THE CLASS.MY QUESTION IS CAN PAPER BE MADE FROM SOMETHING OTHER THEN TREES?I NEED SOME SOURCES OTHER THEN THE WEB.ANT

77. ## drwls-year8 geography

thanks for finding that link its helped me with my homework

78. ## Year 8 geography

i need to label a picture of a river. the mouth and other parts. does anyone know any good websites that can help me a labelled diagram would be helpful thanks for your help!

79. ## alg. 2

what is the foci of the ellipse X2 over 81 + Y2 over 49=1

1. ## Applied Math

my answer will be 28.31 am I correct?

posted on December 19, 2017
2. ## Applied Math

I cam up with 28.3075 but I still need to round this off to the nearest penny. Can some one help and explain your work so I understand the steps.Thank you in advance

posted on December 19, 2017
3. ## ap chemistry

CH3OH>CH3CH2OH>CH3CH2CH2OH

posted on August 2, 2017
4. ## Science

I go to Connexus. I agree with castiel. It goes both ways all the time.

posted on April 3, 2017

Pounds

posted on August 3, 2016
6. ## english

B?

posted on June 2, 2016
7. ## Math

2688

posted on May 23, 2016
8. ## MATH

Thanks

posted on December 10, 2015
9. ## MATH

This problem is from the textbook, I copied problem directly from it (with different signs) but don't have explanation - only answer given

posted on December 10, 2015
10. ## MATH

so it would look like this -3x - 9 -2x - 8 What happens to the addition sign? Can you show me how?

posted on September 4, 2015
11. ## MATH

so -3 x 3 made -9. how did the 2 become negative, I thought it was a subtraction sign?

posted on September 3, 2015
12. ## Math

I got the wrong answer of 12 years

posted on February 29, 2012
13. ## Math

I got 26, but it was wrong

posted on February 11, 2012

marlena buys seven oranges and five bananas. what is the total cost? show your work.

posted on May 25, 2011
15. ## Math

34-2y=8 what is the value and look at the equation in the box

posted on April 27, 2011
16. ## Calculus

Thank you so much this definitely helps me double check my work!!

posted on April 18, 2011
17. ## math

p=2.(w+l) p=40 l=2+w 40=2(w+(2=w)divide by 2 20=2w=2 subtract by 2 18=2w divide by 2 l=2+w substitude w for 9 l=11 answer =11

posted on April 4, 2011
18. ## Maths

how to do shell to bells

posted on January 18, 2011
19. ## Math - asymptotes

yes, those are what i meant..sorry about the notation

posted on September 13, 2010
20. ## algebra

Look it up!

posted on April 1, 2010