# Emma

Newest questions and responses by Emma
1. ## physics

a delivery person pulls a 20.8 kg box across the floor. the force exerted on the box is 95.6n (35 above the horizontal). the force of kinetic friction on the box has a magnitude of 75.5n. the box starts from rest. using the work-energy theorem determine

2. ## Algebra 2

I'm having a bit of a hard time figuring out this problem and I'm really confused. Could someone check my work so far? The motion of a ball scooped by a field hockey player can be modeled by h = -16t^2 + 40t, where t is the time in seconds and h is the

3. ## History

What was the impact of the Scopes Trial on education in the United States? A. It was the first significant effort to draw interest in the separation of church and state in education. B. It promoted grassroots legal efforts to fortify the need for teaching

4. ## History

What was the purpose of the government-sponsored Bracero Program? A. to contract Mexican migrant workers to jobs in America B. to lower taxes for the wealthiest 1 percent of the country C. to entice African Americans to join the military D. to raise the

5. ## Social studies

Which factors influenced the growth of Christianity in East Africa select all that apply A mansa munsa's pilgrimage to Mecca B trade with Greeks and Romans C influence of a captured Syrian servent D invasion of mail's Christian military E caravans of

6. ## Algebra

Write a recursive formula for the sequence 5, 18, 31, 44, 57, ... Then find the next term. I’m thinking that the answer is A. A. a1=-8; an=an-1+13. The next term is 70 B. a1=5; an=an-1+13. The next term is 70 C. a1=5; an=an-1-13. The next term is 83 D.

7. ## Algebra

Simplify the rational expression. State any restrictions on the variable. t^2+4t-12/t^2-4

8. ## Algebra

Find any points for the discontinuity for the rational function. I think the answer is D. y=(x-8)/(x^2+5x-6) A. x=8 B. x= -1, x= 6 C. x= 1, x=6 D. x=1, x= -6

9. ## Algebra

What is the difference in simplest form? (n^2+3n+2)/(n^2+5n+6)-2n/(n+3) A. (1-n)/(n+3) B. 1/(n+3) C. (n+1)/(n+3) D. (n-1)/(n+3)

10. ## Science

Hey people! So, uh, I'm trying to take an assessment in online school... long story short, I don't know what the heck I'm doing (like everyone else on here). So can you guys help me out? Here are some of the questions that stumped me: 1. Where can most

11. ## Pre-Algebra A

A company reports \$23,765 in income and \$18,945 in expenses for February. What was the amount of profit or loss for the month? A. \$4,820 profit B. \$4,820 loss C. \$5,220 profit

12. ## english

why is kenny watson the protagonist in The Watons Go to Birmingham-1963?

13. ## Math

Tell the rule. 3 flower with 4 petals in a square 3 flowers with 5 petals in a square

14. ## MATH

f 210 people said football was their favorite sport to watch, how many people were surveyed? Football is labeled on the circle graph as 42%.

15. ## Mathematics.

A college football coach wants to know if there is a correlation between his players’ leg strength and the time it takes for them to sprint 40 yards. He sets up the following test and records the data: Every day for a week, he counts how many times each

16. ## Time value of money

Present value of 10000 to be received at the end of 10periods at8% period.

17. ## Time value of money

In investors deposits 10000.ten years later it is worth 17910.what rate of return did the investors earns on investment

18. ## Time value of money

Find the value of 10000 in ten years. Investment 5% per year .

19. ## Maths

Find the value of 10000 in 10 years. The investment earns 8% for four years and then earns 4% for the remaining six years

20. ## Linguistics

Hello! I have a quick question about my linguistics final. My professor is a doctor, so would 'Dr.' head his name in my references and in-text citations? This is all in APA: 6th edition, by the way! Thanks in advance,

21. ## Geography

Choose the ideas of Confucianism. Select all that apply. A. Burning paper money B.the way C.yin and yang D.5 relationships E. Honoring elders F.servere punishments G.fillial piety

22. ## Geography

What did the Han emperors do to keep the economy stable A. Stopped merchants from selling goods along the Silk Road B. Brought grain, stored it, and resold it during times of low harvest C.introduced the first standardized coins D. Refused to allow

23. ## Geography

What was the result of the development of the Silk Road

24. ## Chemistry

Suppose 0.780 of potassium iodide is dissolved in 150. mL of a 51.0mM aqueous solution of silver nitrate. Calculate the final molarity of iodide anion in the solution. You can assume the volume of the solution doesn't change when the potassium iodide is

25. ## Chemistry

A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 338.mg of oxalic acid H2C2O4 , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250.mL of distilled water. The

26. ## Biology

I have to write an essay with knowledge about the following: the biochemical structure of DNA, how DNA replicates, how the DNA structure forms the genetic code, and how that genetic code comes to be expressed as a phenotype. If I could get some help or a

27. ## Language arts

In paragraph five,which uses a metaphor for what television is like to the author?

28. ## Health and physical ed

what is the first step in a responding healthfully to a strong or difficult emotion? 1.Listen to music 2.Ignor your feelings 3.Say what is on your mind 4. Try to understand what you are feeling I DO NOT KNOW WHICH ONE IT IS I NEED HELP!

29. ## Texas history

in the texas constitution of 1836 had shared ideals woth the us constitution. which of the following ideals did the texas constitution most likely support Austin Bowie Childress* de Zavala

30. ## psychology

What are negatives and positives of group think?

31. ## Math

Which expression can be written as 4•(3+8)? A. (4+3)(3+8) B. (4•3)+(4•8) C. (4+3)•(4+8) D. 4•3+8 Please can someone help

32. ## Civics

The president signs a new bill into law. Some people believe the new bill is unconstitutional. According to the system of checks and balances, what can be done? 1. The Supreme Court can enact a new law to cancel the old. 2. The country can vote to overturn

33. ## english

(1) To insert a table into your spreadsheet, the workbook says to "first click on the 'Table' tab." (2) Then, you could "place the cursor on the area where you want to put your table." (3) Click "Insert," and then select "Spreadsheet Table" to choose the

34. ## precal

Calculate the average rate of change for f(x) = 8x2 + 4x from x to x + h.

35. ## precal

If p(t) is the profit I expect my business to earn t years after opening, use functional notation to express my expected profit after 4 years and 4 months. (Round your answer to two decimal places.)

36. ## english

(1) around 5000 B.C.E., the first animals were domesticated and tamed. (2) donkeys and oxen were used to carry heavy loads and pull sledges. what is the best way to combine sentences 1 and 2? a. around 5000 B.C.E., the first animals were domesticated and

37. ## math

the perimeter of a rectangle with adjacent side lengths of x and y, where x>y, is 8 times as great as the shorter side to the rectangle. what is the ratio of y to x? a. 1:2 b. 1:3 c. 1:4 d. 2:3 is b the answer?

38. ## math

the square of a certain whole number n is n^2. if 60 is a factor of n^2, it's possible that ? is not a factor of n^2 a. 16 b. 25 c. 36 d. 100

39. ## Chemistry

When a (1.797x10^0) g sample of CuSO4 * 5H2O (Copper II Sulfate Pentahydrate) and NaCl was heated, a total sample of (2.74x10^-1) g of water was lost. What is the mass percent of hydrate in this sample? Give your answer in scientific notation with three

40. ## Science

Why is the structure of arteries different from the structure of capillaries?

41. ## Math

Use place value to solve Pablo has a piece of wire that is 0.08 Meters long. Beth has a piece of wire that is 10 times as long as Pablo's wire.Li's wire is 1/10 as long as Pablo's wire. How long is Beth's wire? How long is Li's wire?

42. ## history

idenitfy the most significant factor contributing to the challenges facing modern native Americans in new Mexico.give to reasons to justify your choice.then,propose one possible solution to adress this factor

"Damages caused to homes as a result of fire is an issue under property law. If some of the pople living in this houses in those areas are living in renting houses, if the property is damaged due to fire, and the people living in those houses were aware

how does property law protect home oweners when their homes are burnt as a result of bushfires.

45. ## English

Which of these does William Wordsworth celebrate in "I Wandered Lonely as a Cloud" nature aloneness the death of reason human companionship I think either A or B, but I can't decide which.

46. ## science

How do the Sun, Earth, and Moon depend on each other?

47. ## Health

Please check my answers! 1. A(n) ______ is an agent that causes disease. a) stressor b) pathogen* c) addiction d) drug 2. Symptoms of an STI include (select all that apply) a) sneezing b) !@#\$%^&l or urethral discharge* c) there may be no symptoms* d)

48. ## Social Studies

What events led to Thomas Jefferson's election as president

49. ## math

the tripled product of 6a and b^2. I got 216a^3b^6, but my teacher says that this is wrong. my equation is \(6ab^2)^3 is this wrong?

50. ## Science

I have reviewed the types of reactions but am still not sure what it is. Cs2+H2O arrow CsOH+H2 In the products, where is the H in CsOH coming from? What type of reaction is it?

51. ## geometry

Point P on the side AB od triangle ABC splits AB so that AP:BP=1:3. If M is the midpoint of CP, then the ratio of the area of triangle BPM to the area of triangle ABC is A)1/4 B)5/8 C)3/8 D)3/16 I know that the rule is if two triangles have cogruent

When a 0.650 g sample of a mixture of volatile hydrocarbons is burned in a bomb calorimeter with a heat capacity of 4920 J/°C, the temperature rises by 8.50 °C. What is the change in energy (in kilojoules) for the reaction? Calculate the energy change by

53. ## Algebra

Hello! I understand that the answer is 6, but do not know the equation to graph it. I would appreciate any help! I have to use Desmos to graph it. You are making your weekly meal plans and are working with the following constraints: It costs \$8 to go to

54. ## Chem

Separate the following balanced chemical equation into its total ionic equation. AgNO3​(aq)+NaCl(aq) --> NaNO3​(aq)+AgCl(s) (List the ions in order of the above equation.) Write the net ionic equation for the reaction above. (Make sure the cation is

55. ## History

I am going to compare Plato and Gandhi. I find it hard to know what i can compare between the two philosophers. What are the differences and similarities between the two.

56. ## Chemistry

What would the net ionic equation be for : HBr (aq) + KOH (aq) = KBr + H2O

57. ## Science

Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE Would the answer for a) be 1/8 and for b) be 1/2?

58. ## Punnett Square

Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE Would the answer for a) be 1/8 and for b) be 1/2?

59. ## Punnett Square

Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE

60. ## Physics

A 60 kg person utilizes energy at 0.25 horsepower while running up the stairs of a building. Each step is 20 cm highly. How much work does the person do in one minute?

61. ## Math

1.) Is it possible for a composite number to have more than one prime factorization? Is it possible for a number to have no prime factors? Why? 2.) Give an example of how prime factorization could be used in the real world. Thank you to anyone that takes

62. ## Science

how are carbon atoms incorporated into organic molecules by plants?

63. ## algebra

Three fourths of a number is less than two hundred four. What are the possible values of the number?

64. ## Math

And assembly line worker at robs bicycle factory add to seat bicycle at a rate of two seats in 11 minutes write a proportion relating the number of seats S to the number of minutes M at this rate how long will it take to add 16 seats? 19 seats?

65. ## math

what is an alegbraic expression for the followin word phrase: "6 times the difference of b and p"?

66. ## AP Chem

For the reaction CH4+ 2 O2 → CO2+ 2 H2O , what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 15.3 g of CH4 (16.0425 g/mol) and 6.2 g of O2 (31.9988 g/mol)? Answer in units of g

67. ## Math

1 1/4 teaspoons baking powder per 3/8 cup flour, what is the unit rate

68. ## Can anyone check this?

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What activities are accepted by universities as social services? I was a girl guide in my primary grades can I include that as social service? And informal participations at sports and extra-curricular event will be accepted as extra-curricular ?

70. ## Trigonometry

Given that sin^2x = 4/13, what is the cos^2x? I am so lost. I need to show my work. Please help. THANK YOU!

71. ## Practise questions for SAT subject tests

Is there any useful,good sites to find quality questions for practising for SAT english,math,physics tests ,for free,other than the limited number of questions avilable at the Collegeboard site?

72. ## SAT

Could someone kindly tell me what are the subjects we have sit for at the SAT exam, to enter into a ; 1)physics degree(nuclear,quantum etc.) 2)engineering degree Thank you!

73. ## To Bobpursley

Thank you very much for your response. I'm a bit concerened about my career as mour local universities don't conduct Nuclear Engineering courses.So even if I want to study beyond Bachelor's Level,I woyld have to study abroad,should find Finacial Aid and

74. ## To Writeacher,Bobpursley and Damon

I posted again at my question avilable display.cgi?id=1503490842 I would be glad if you have a look at that. Thank you!

75. ## Nuclear Physics

I'm interested in studying Nuclear Physics at the university and would llike to know about the career opportunities avilable for a Bachelor's degree holder.I tried googling and found several but would like to get advising from a tutor who have experience

76. ## Chemistry

What would be the volmeter reading of the cell of Ni and Cu E Ni2+/Ni= -0.24V E Cu/Cu2+= 0.34 V E cell=E cathode - E anode= -0.24 V - (-0.34 V) =0.10V I think this in incorrect as no answer like this is given

77. ## Chemistry

Do Ozone gas decomposite naturally under IR rays?

78. ## Chem

Do Ozone gas decomposite naturally under IR rays?

79. ## Chemistry

Is S^(2-) a conjugate base of a weak acid? Shouldn't HS^(-) be the conjugate base,as H2S is the weak acid?

80. ## Math

At a party, the ratio of males to females is 3:4. Which of the following could not be the total number of people at the party? 14 35 44 63 70

81. ## Biology

What would happen if the gametes forming a zygote is diploid?

82. ## Algebra

Saturday night the movie theater sold 60 student tickets and 20 adult tickets earning \$450. Sunday afternoon the movie theater sold 20 student tickets and 32 adult tickets earning \$340. How much does a student tickets and an adult ticket cost?

83. ## Math

The third term of a geometric progression of positive terms is 18 and the fifth term is 162 Find the common ration and the first term? Write an expression for the Nth term of the progression? Find the sum of the first 8 terms of the progression??

84. ## Math

The element strontium-90 is radioactive. The percent of strontium -90, A(t), left in a sample can be modelled by the half-life function A(t) = A0 (1/2)^t/29, where t represents the time, in years, after the initial time, and A0 represents the initial

85. ## Math

Four more than the opposite of n equals 6 How u write it as an equation?

86. ## Biology

What viruses are common in the Arctic tundra?

87. ## science

The iodine-131 nuclide has a half-life of 8.0 days. If you originally have a 257 g sample, after 48 days how much will you have?

88. ## Math

The area of a rectangle is 24. The length is 10cm longer than the width. Find the length of the rectangle.

89. ## Science

Describe similarities between ice wedging and weathering caused by plant roots?

90. ## ELA Please check my work

Which of the following sentences contains a pronoun? A•My sister Sarah loves to cook B• She made dinner for the family last night C• When Sarah offered us seconds I was too full. D•Mom and dad make me do the dishes when Sarah cooks My answer is A

91. ## Math

if you fold a square paper vertically, the new rectangle has a perimeter of 39cm. what is the area of the original square? what is the perimeter of the original square? what is the area of the resulting rectangle? make a ratio of area and perimeter. what

A lecturer told his students " The purpose of a management course is to teach students about management, not to teach them to be managers. Do you agree or disagree with this statement? Discuss.

93. ## Math

Mr.Edgington travels 25 mph in his boat. To determine how far he travels he uses the equation d=25h, where is d in the total distance in miles and h is the number of hours he travels on his boat. Find the independent and dependent variable and the

94. ## Math

If two cylinders are similar, find the scale factor of the smaller figure to the larger figure. The surface area of the smaller area is 20 pi yards squared. The surface area of the larger cylinder is 125 pi yards squared. No radius or height is given, and

95. ## Math

The speed of light is 3x10^8 m/s. If the sun is 1.5 x10^11 meters from the earth, how many seconds does it take light to reach the earth?

96. ## math

the circumference of the circle 12.5m. what is the area of the shaded region

97. ## math

jennifers pool is 8m deep and has a radius of 5m. the pool is half full....How many ml of water is in the pool.

98. ## Spelling

What is the answer to this analogy: Rope is to string as string is to ______?