Bethany

Popular questions and responses by Bethany
1. Math

1. –(10)^–1 (1 point) –1/10*** -1/-1^10 1/10 10 2. 1/c^-5 (1 point) c^5 5c –c^5*** –5/c 3. What is the value of y^-5/x^-3 for x = 2 and y = –4? (1 point) 10/3 128 -1/128 –128*** 4. Is the number written in scientific notation? If not,

2. English

I read the short story "I Go Along" by Richard Peck. I must answer: "The title of this story can be interpreted in a number of ways. In multi-paragraph essay form and with reference to the story, explain how the title relates to the story." I have evidence

3. Precalc

•You have a wire that is 71 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a right triangle with legs of equal length. The other piece will be bent into the shape of a circle. Let A represent the total area enclosed

4. algebra

Which of the quadratic functions has the narrowest graph? A. y=1/4x^2 B.y=x^2 C. y=-3x^2 DAy=1/12x^2

5. english

In the short story The Weapon by Fredric Brown, why did Dr. Graham says as his reason for continuing to work on the weapon, despite the fact that it is bad for the world? Also, what does the last line of the story "only a madman “Only a madman would give

6. English

What is the theme of the poem Home for the Aged? Home For the Aged by Elizabeth Brewster: The old men sit, five of them on a bench, Half sleeping, half awake, dazed by the sun, In the muted afternoon, between one broadcast ball game and the next Their

7. Math

A toy manufacturer needs a piece of plastic in the shape of a right triangle with the longer leg 5cm more than the shorter leg and the hypotenuse 10 cm more than the shorter leg. How long should the sides of the triangles be?

8. college physics

A 1100 kg wrecking ball hangs from a 14m-long cable. The ball is pulled back until the cable makes an angle of 17.0 degrees with the vertical.By how much has the gravitational potential energy of the ball changed?

9. Physics

A parachutist descending at a speed of 19.6 m/s loses a shoe at an altitude of 41.6 m. What is the velocity of the shoe just before it hits the ground? The acceleration of gravity is 9.81 m/s2. Answer in units of m/s

10. Math

Write the equation of lowest degree with real coefficients if two of its roots are -1 and 1+i. The answer is x^3-x^2+2=0. I don't understand why.

11. Trigonometry

A pilot flies her plane on a bearing of 35 degrees minutes from point X to point Y, which is 400mi from X. Then she turns and flies on a bearing of 145 degrees to point Z, which is 400 mi from her starting point X. What is the bearing of Z from X, and what

12. geography

indicate the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, -5) it shows a series of boxes and says to fill them in... _+_ _=_ _ _ _ _ each underscore represents a box. characters to use include; = < >

13. algebra

1. Write z^9/z^3 in simplest form. a. z^3 b. z^6 c. z^12 d. z^27 2. Which symbol will make the number sentence true? 6/7 ? 0/85 a. = b. < c. > 3. Which of the following numbers is an example of an integer? a. 5 (square rooted) b. 9 (square rooted) c. 1/3

14. Physics

Car 1 is parked when it is hit by Car 2. The momentum of Car 2 before the collision was 50 kg m/s. The momentum of Car 1 after the collision is 10 kg m/s. What is the momentum of Car 2 AFTER the collision?

15. Algebra

Can someone help me, I am stuck and do not know how to complete. Maybe my first part is wrong, I don't understand by looking at my example if I am doing it right or not. Square root Property 2k^2 +144=0 2k^2 +144-144=0-144 2k^2=-144 This is where I am

16. Writing skills

More recently, however, doctors have taken a greater interest in the field. Along with the general public, too. The most effective combo of sentence 3 and 4 would include which of the following groups of words? 1. doctors, as well as the general public, 2.

17. Math Help Qucik!

Alex bought 144 bagels for \$80. His profit was \$75 once he had sold 100 bagels. Which equation represents Alex's profit,P as a function of the number sold, n?

18. Math

the sum of the integers from 1 to 10, inclusive, is 55. What is the sum of the multiples of 5 from 5 to 50 inclusive? Which equation would I use?

19. physics

A football is thrown upward at a(n) 37 angle to the horizontal. The acceleration of gravity is 9.8 m/s2 . To throw a(n) 57.8 m pass, what must be the initial speed of the ball? Answer in units of m/s

20. Calculus Urgent

graph y=cos(pi*x/2) and y=1-x^2 and use integration to find the area in between the curve. Okay, so when I graph these two I see that they like overlap during the [-1,1] x interval. But maybe there is still a small gap in between? But I'm not sure if the

21. Math

Bethany has 43 apples. Write a subtraction story about the apples That would require regrouping. Then write the answer in a complete sentence.

22. Chemistry

srry I placed the question in the wrong spot. The equation is 2NH3 N2 + 3H2 1 mole of NH3 injected intoa 1L flask 0.3 moles of H2 was found the concentration of N2 at equlibrium is 0.1M how do I find the concentration of NH3 at equlibrium? (N2) = 0.1 (H2)

23. Math

A bicycle tire has a stone stuck in it. The radius of the tire is 46cm. Every time the wheel turns, the stone hits the ground. a.) How far will the bicycle travel between the stone hitting the ground the first and second time? b.) How many times will the

24. science

a cookie a certain mass. explain why the mass would not change if you break the cookie in half.

25. Math

Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part

26. GPH 111

On a map with a scale of 1:12,000, a measured distance of 1 inch represents what distance in feet? With work

27. Math

The current, I, in amperes, for an electric circuit is given by the formula I=4.3sin120(pi)t, where t is time, in seconds. a)At what time is the current at its max volume? How does your understanding of co terminal angles help in your solution? b)What time

28. Calculus

find the area between x=tan^2y and x=-tan^2y in -pi/4

29. chemistry

Thermochemistry: 1. Calculate the amount of heat required to decompose 3.5 moles of sodium bicarbonate. 2NaHCO3 + 129 kJ  Na2CO3 + H2O + CO2 In this question, the heat of the reaction is part of the question instead of being written beside it- (What's

30. Math

1. At a basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the number

31. college math

estimate the total cost of 97 shirts at \$19.95 each

32. English

I must complete an essay analyzing the atmosphere and how it's portrayed in Home for the Aged by Elizabeth Brewster.My question is how does the use of descriptive detail establish the atmosphere? I do not know what the atmosphere is in this poem and I am

33. Chemistry

Determine the number of grams of Potassium Iodate present in 10.0 g of a 0.267 m Potassium Iodate solution.

34. SCIENCE

We did a radioactive decay and half life lab with m&ms and I do not understand these conclusion questions: 1. how many half lives would it take for 500 nuclei to decay to 6.25% of the original number of nuclei? My ans: 3125?- do not think that's right! 2.

35. Math

Two ships left the same port at the same time. One travelled at 16kn/h on a course of 275 degrees while the other at 20 km/h of 225 degrees. How far apart are the ships after a. 2 hours? b. 4 hours? *note: this is a trigonometry question using the cosine

36. Physics

A model rocket is launched at 62 degrees above the horizontal with an initial speed of 28m/s. the rocket travels for 4.5s along its initial line of motion with a constant acceleration of 13 m/s^2. At this time, the engine of the rocket stops and the rocket

37. Chemistry :(

How much heat is evolved when 878 kg of ammonia is produced according to the following equation? N2(g) + 3H2(g) 2NH3(g) ΔH = -91.8 kJ

38. Algebra

Please check: 1.Write in expanded form: this is a sigma notation- 4 on top signma in middle k=1 on bottom to right of sigma is (k-1)(k-2) I solved: k=1 (1-1)(1-2)=0(-1)=0 K=2 (2-1)(2-2) = 1(0)=0 k=3(3-1)(3-2)=2(1)=2 k=4 (4-1)(4-)=3(2)=6 answer: 0+0+2+6 2.

40. math

Two ships leave a port at 9 a.m. One travels at a bearing of N 53° W at 12 miles per hour, and the other travels at a bearing of S 67° W at 19 miles per hour. Approximate how far apart they are at noon that day. (Round your answer to one decimal place.)

41. Math

Kat has a smoothie company she needs to make 240 cups of fruit smoothies for the next day if she wants to store of these movies overnight in a quart containers how many quart containers will Kat need.

42. Chemistry

4 Questions on molarity that I really don't understand. I have the formulas, but they don't seem to fit in to the question right. Please take a look, thanks! 1. Calculate the weight, in grams, of HNO3 present in 1.0 litre of 0.10M of solution. 2. What is

43. Physics

A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car?

44. Math

Evaluate the expression for the given value of the variable. Show your work. [-4b-8]+[-1-b^2]+2b^3;b=-2 Solve the equation. Check for extraneous solutions. 9[9-8x]=2x+3. Show your work. I really need help with both of these problems.

45. Chemistry

What is and isotope pair?

46. Math

2 Gears are in their starting position. Gear 1 has 6 teeth. Gear 2 has 8 teeth. As gear 1 turns, it causes gear 2 to turn at a different rate. Gear 1 is rotated until the two gears are back at starting position. What is the minimum number of rotations Gear

47. Physics

A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car?

48. English

For class I read the poem by Wilfred Owen "Dulce et Decorum Est". I have most of my essay down but one paragraph where I focus mainly on the use of the word "beggars". I so far, only have one point/sentence: "The specific word ¡°beggars¡± reflects a

49. Math

The following chart shows the fraction of students who enjoy baseball, basketball, football, soccer, and swimming in the 7th grade. Baseball - 2/3 Basketball- 4/5 Football- 3/10 Soccer-5/6 Swimming-1/8 What fraction of students enjoys basketball and

50. Math

Do you want me to cut strips of wrapping paper that are each 9 inches right if TY has two rolls of wrapping paper bad our age 15 feet long how many 9 inch can he cut

51. Math

Find a polynomial function of degree 7 with -2 as a zero of multiplicity​ 3, 0 as a zero of multiplicity 3​, and 2 as a zero of multiplicity 1. f(x)= Gracias

52. Chemistry

Determine the mass (in grams) of a 1% solution of Manganese(II) Sulfate that will contain 0.0403 grams.

53. Physics

An airplane flies at a constant speed in a straight line. A bale of hay is dropped from the bottom of the plane to some cattle in a snowstorm. When the bale hits the ground, where is the plane? (Ignore air resistance) Explain your answer!

54. Chem

What is the maximum mass of H2O that can be produced by combining 85.0 g of each reactant?

55. Math

1. Daniel wants to save at least 20 dollars by putting pennies in a jar daily. On first day, he puts one penny into the jar. The second day he puts 2 pennies into the same jar. On the nth day he pus n pennies into the same jar. Which day is the first day

56. social studies

In what ways are a KNights code of chivalry similar to an oath of allegience?

57. Algebra

Can someone please help me with this ASAP and show me step by step so I understand it? What is 4.7% of 5,000?

58. English

Are these two sentences correct? Adjectival prepositonal phrase: I like in our house the big kitchen to cook in. (in our house is the adjectival prepositonal phrase) Participal Phrase: I dislike ordering an item online to find a damaged package when it

59. college math

A car rents for \$260 per week plus \$0.10 per mile. Find the rental cost for a three week trip of 800 miles

Please don't provide any links. We are doing a project where we pick a sports team and we must calculate the revenue and salaries of the players. Then we are asked to explain how a sports team can possibly lose money. Now, I have all of that but I am stuck

61. science

What is the acceleration of a 66 kg block of cement when pulled sideways with a net force of 597 N? Answer in units of m/s 2.

62. Math

1. The graph of y=2logbase5X-7 is reflected in the x-axis and translated 6 units up. I got y=-2logbase5X-1 as a result. The answer key says y=-2logbase5+13. How????

63. chemistry

what are the phases of all the reactants and products in the reaction 2Al + Fe2O3--->2Fe + Al2O3?

64. physics

Please Help. I am not sure how to set up or do this problem. Thanks A car is traveling along a road, and its engine is turning over with an angular velocity of +199 rad/s. The driver steps on the accelerator, and in a time of 14.2 s the angular velocity

65. Chemistry

Difference between hydration and hydrogenation reactions? I have searched everywhere in my book and all I can come up with is: Hydorgenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what

66. physics

A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find

67. chemistry

what type of reaction is Nickel (II) ion and iron (III) ion and reacts to produce iron (II) and nickel (III) ions? is it: combination, decomposition, single or double replacement.

68. Physics

A particle travels between two parallel ver- tical walls separated by 39 m. It moves to- ward the opposing wall at a constant rate of 8.8 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2 . 39 m 9.8 m/s2 8.8 m/s a)

69. Spanish

I had to rewrite from English to Spanish-Please check if I did them correctly- 1.She sees them. Ella los ve. 2. We see them. Nosotros los vemos. 3. I invito you. Yo te invito. 4. I invite him. Yo lo invito. 5.She see you all. Ella los ve. 6. He invites us.

70. Math

Find a polynomial function of degree 4 with-2 as a zero of multiplicity 3 and 0 as a zero of multiplicity 1. f(x)= Gracias

71. college math

in a conjecture the answer i got was 12n how would it look if it was to be part A-multiplied by 12 part B-add 12 to the product Part C- divide the sum by 2 PArt D-subtract 6 from the quotient

72. English Poetry(response to writeacher)

The theme is the theme is thoughts of elderly? And that there is only one life to live so live it well? This poem seems confusing.. it is either really easy and literal or metaphoric.. I need to write a paper on the atmosphere of this poem and I think the

73. Math

Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part

74. Socials

What were the poor laws? What was their purpose and what did they set out to do? my answer for the first part: - The poor laws was a law regulating the public relief or support of the poor. Its purpose was...?

75. geography

What does this mean? Nation-building can involve the use of propaganda or major infrastructure development to foster social harmony and economic growth.

76. physics

A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find

77. Socials

I am doing a slavery project and I chose "Early and Forced Marriage" as my form of slavery. There is one section of the project that I do not get how to properly search for information and it is "can you find what kind of protection they(the country

78. Math

I understand how to make Stem-and-Leaf plots,but I don't understand what to count by if my numbers are (from least to greatest) 13,14,16,18,20,32,33,52,58,61,and 67.Please help me!!!

79. physics

In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.2 m/s in 1.9 s. Assuming that the player accelerates uniformly, determine the distance he runs.I

80. Maths

The question says: Two pairs of touching sides are the same length. The diagonals meet at right angles. Opposite sides are not parallel. The diagonals bisect each other, but are different lengths. The diagonals do not meet at right angles. Angles are not

81. Chemistry

Is there someone out there that can tell me if I answered this right or if I need to study some more? Thanks What is it that makes water such a good solvent for polar substances? Why is it called the universal solvent? Water is such a good solvent for

To capitalize on children's different learning styles, teachers should: 1.teach lessons using a multi-sensory approach. 2.use their own learning style to teach and let the children match them. 3.separate children by learning styles and seat children near

83. English

What is the significance of the title "In the heat of the night"? What does the last chapter(chapter 14) conclude about the underlying racial issue; the furtherance of the romantic plot?

84. English

We are reading the book In the Heat of the Night by John Ball and I need to complete the chapter 2 comprehension questions. I am stuck on this one: 1. Investigate the figurative nuances of the name Virgil. It is an allusion. Why is it significant? Think in

85. physics

Two sounds, one of 200 Hz and one of 194 Hz occur at the same time. What beat frequency do you hear? Show your calculations I'm not looking for someone to do my homework for me. I just don't know what formula to use to figure it out.

86. physics

A jetliner, traveling northward, is landing with a speed of 65 m/s. Once the jet touches down, it has 785 m of runway in which to reduce its speed to 5.0 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the

87. ict help asap

 How ICT is used in the wider world. This section should include actual examples of how computers and technology are used in the areas of: • E-commerce (online shopping) • Manufacturing (e.g. CAD & CAM) • Education (e.g. encyclopaedias, the

88. Algebra

HELP! an object moves in a straight line given by s=2x^2-3t where s is in meters and t is the time in seconds the object is in motion. how long to nearest tenth will it take to move 17 meters? my attempt s=2t^2-3t 17=2t^2-3t -17=-17 0=2t^2-3x-17 t=-b +or-

89. chemistry

balnced equation CaCO3-->CaO+CO2 how many moles of CO2 are produced if you start with 3 mol of CaCO3?

90. help!!

what is the antomym for prohibit http://www.thesaurus.com =)

91. English

I need to write an interpretation and meaning on the song "embers" by max richter(search it on youtube! :)). Since I also need to choreograph a dance to this song for my dance class, I have decided to rename the song(which is my dance routine's name) as

92. Math

The sum of integrs from 40-60, inclusive, is 1050. What is the aum of the integers from 60-80, inclusive? I figured out the answer by adding them with a calculator but i was wondering if there was an algebraic way of solving this?

93. social studies

Whatsocial changes came as a result of increased trade? - I already have a few like towns, new powers, new freedoms, and weakening of feuldalism. Is there anything else I missed?

94. English

I need to write a research paper on a topic that is relevant to, or is present in a book after I have read it. I wish to know any suggestions on good books to read on which an obvious research topic can be extracted from(preferably history related but not

95. Math

I have 3 questions: 1) If ABC and DEF are three- digit numbers, which of the following could be the number of digits in the product of ABC and DEF? i. 4 ii. 5 iii. 6 I don't have the vaguest idea on how to do this and what type of math it is part of... My

96. chemistry

how many moles of CO2 are produced if you start with 3 mol of CaCO3? balanced equation is: CaCO3--->CaO=CO2

97. Math

Solve the logarithmic equation. Please show all of your work. Loga(x+4) + loga(x-4) = 4

98. English

Can some one tell me if my examples are correct or if I need to do them over? Adjectival prepositional phrase: I like playing basketball at the gym every other weekend. Post noun modifier: I like the sun when it is bright and hot in July. Participial

99. math

I'm doing rational expressions and am so confused. 4x^2-18x+81/8x^3+729