# samantha

Questions and responses by samantha, page 6
1. ## algebra

Camille can swim against the current at 1.5m/s and with the current at 3.5m/s. Write and equation that expresses each fact. How fast can she swim in still water?

2. ## Biology

1. How is both the external and internal stimuli involved in doing this: You are hungry so you reach for an apple in a fruit bowl. 2. Why is a hypothesis important to controlled experiments? Is it becasue you are trying to explain the effect that it would

3. ## Physics

Your car can accelerate at 5m/^2 without a trailer. You add a trailer to your car that has 3 times the mass of your car. At what rate can your car (plus trailer) accelerate now? After accelerating the car travels at a constant speed of 30 m/s. What is the

4. ## Politics/Debate

what does this sentence mean in regular english "The United States Federal Government should substantially increase development of domestic infrastructure." and what is the basic meaning of domestic infrastructure? Tahnk you soo much in advance!!

5. ## college

Consider a normal population with μ = 36 and σ = 4.9. Calculate the z-score for an x of 47.6 from a sample of size 14. (Give your answer correct to two decimal places.)

6. ## math

A snailis trying to climb up a cup left by some students that littered.Each hour the snail slithers up 2`` but when he is tired he sleeps and slides 1``. How many hours until he reaches the top of the cup with a height of 10 is this an integer question?

7. ## Algebra

triangular prism with base perimeter 24 cm, base area 24 cm^2, and height 15 cm. Choices are: A. 606 cm^2 B. 384 cm^2 C. 408 cm^2 D. 87 cm^2

8. ## Algebra

rectangular prism with base perimeter 30 cm, base area 50 cm^2, and height 150 cm. Choices are: A. 7,560 cm^2 B. 4,600 cm^2 C. 1,800 cm^2 D. 4,550 cm^2

Q. Find the minimum value of Q=x^2y subject to the constraint 2x^2+4xy=294. Its the derivative method.

-x/6-8=10

11. ## Math

If gas cost \$3.97 per gallon, what is the cost of filling a 13.8 gallon gas tank? Do I multiply this? Is \$54.78 the correct answer? Thank you

I am entering an essay scholarship and would love if some of you could proof read my essay. Thanks so much! Title: Be a Part of Something Greater “You have to get involved!” From the first day of school, freshman year of high school, those were the

13. ## Music

Explain how music and culture influence one another. Provide an example of a song or album that affected culture. Provide examples of songs with cultural references.

14. ## history

what were the similarities and differences between lady Jane Grey and Mary queen of Scots?

15. ## history

what were the similarities and the differences between lady jane grey and mary queen of scots?

16. ## chemistry

What is the concentration of a solution containing 25g of NaCl in a 250mL sample?"

17. ## chemistry

How many grams NO gas can be produced from 110mL of 4.00 M HNO3 and excess Cu? 3Cu(s) + 8HNO3(aq) – 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g)

18. ## Physics

What is the magnitude of the force per meter of length on a straight wire carrying an 8.50 -A current when perpendicular to a 0.55 -T uniform magnetic field?

19. ## Organic Chemistry

How many grams of 2-propanol are expected from the complete reaction of 111 g of propene?

1.If someone's birthday is December 1 would I say Es el primero de diciembre or Es el uno de diciembre? I think I would say Es el uno de diciembre because I think I only use el primero for January/ Is that correct? 2. If I said my grandparents names are

21. ## Math

If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?

22. ## math

camp big trees has 3 red canoes 4 blue canoes what fraction of the canoes are red?

23. ## Chemistry (stoichiometry

(This homework question has been removed due to a copyright claim submitted by K12, Inc.) _----------_ [" okay this is what i got and im not sure if i did it right nor do i know if i answered everything the questions wanted so could you help me out

24. ## college

I will like to know are these correct sentences. Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what

25. ## college

I will like to know is this pargraph is correct. Why are many students choosing to pursue their college degrees using their home computers. Benjamin Franklin said; A penny saved is a penny earned.” This principle applies to the american and foreign

26. ## Math

I'm really struggling with how to set this up: A company has 18 members on its management team,10 men and 8 women. There is a conference in Hawaii, and the company decided to send 5 people. If the selection of five people is random, find the following

a parallegram has a height of 4 meters and sides of 5 meters and 7 meters. What is its area in square meters?

28. ## math

if there is a height of 4 meters and sides of 5 meters and 7 meters"what is the area of the square meters

29. ## ***chemistry

The Morton Salt Compant instroduced a logo and slogan for advertising its salt in 1911. This is one of the oldest and most successful ad campaigns ever, but what does it mean and where and why did they come up with it? (describe the chemical basis for it)

30. ## chemistry

how many milliliters of 6.00 M HCl are required to react with 60.0 ml of 1.96 M Al(OH)3? Al(OH)3(s)+3HCl(aq)-->AlCl3(aq)+3H2)(aq)

31. ## Intermediate Algebra

Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x

32. ## Math

Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the

33. ## chemistry

How much heat is evolved when 269 g of ammonia gas condenses to a liquid at its boiling point?

34. ## English

Is there a website that you can type in a sentence and it will give you the parts of speech of that sentance?

35. ## Physics

You watch a distant woman driving nails into her front porch at a regular rate of 1 stroke per second. You hear the sound of the blows exactly synchronized with the blows you see. And then you hear 1 more blows after you see her stop hammering. How far

36. ## History

Can you please explain to me what this means. Chief Justice John Marshall, in Cherokee Nation vs. Georgia held that the court had no juisdiction, under the U.S. Constitution, to deal with this issue because the Cherokees were a domestic, dependent nation-

37. ## Math

How do I factor 3x2+4x=1 and #x2-2x-8

38. ## Algebra1

Jon left his house and headed toward Brandon's house at the same time Brandon headed toward Jon's house. Brandon traveled 50 mi/h and Jon traveled 55m/h. The distance between their homes is 70 miles. How long did they travel before they met? Please help me

39. ## Chemistry

Determine the correct oxidation number assigned to carbon in CaCO3

40. ## Math

When you add a positive integer and a negative integer, you sometimes get a negative result and sometimes get a positive result. Is the same true when you multiply a positive integer and a negative integer?

41. ## maths

how do i convert decimal fraction into common fraction

if i want to find the molarity of a solution that is: 5mL of a 3.521 x 10^-5 M solution, and filled to the 50mL line with ethanol, would this be: (3.521 x 10^-5)(.04L ethanol)?

43. ## Science

I am a large mass of frozen water. I can move rocks and boulders. I move very slowly, but i cause great changes on Earth. What am I?

I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.

45. ## spelling

grass:lawn::toss:? does anyone know the answer

46. ## Math Check

Are the equations for these questions right? 1) Erik has 2 part-time summer jobs. For Job 1 he gets \$9/hr on weekdays and for Job 2 he gets \$12/hr for weekends. Last week he worked 23 hours and he earned a total of \$231. How many hours did he work on the

47. ## Physics

The two blocks in the figureoscillate on a frictionless surface with a period of 1.5s. The upper block just begins to slip when the amplitude is increased to 38cm. What is the coefficient of static friction between the two blocks?

48. ## 5th Grade student teacher: Needs ur help....

What fun activity could I use to to teach 5th grade students about the Constitution?

49. ## Calculus - Damon

Find the line which passes through the point (0, 1/4) and is tangent to the curve y=x^3 at some point. So I found the derivative which is 3x^2. Let (a, a3) be the point of tangency. 3x^2 = (a3 - 1/4)/(a-0) I'm not sure how to solve for a. Yes, the point is

How can you make an input output division chart

51. ## Algebra

I'm fine with angle of elevation problem, but angle of depression problems are tricky for me. Is this right? From a balloon 835 m high, a command post is seen with an angle of depression of 7 degrees. How far is it from the point on the ground directly

52. ## chemistry

A weak base with a concentration of 1.3 mol/L has a percent ionization of 0.72%. What is the Kb of this weak base? could someone help me with this question or how to get started?

53. ## Science

Could you please help me. When water is electrolyzed, two gases ar produced. As indicated in the chemical equation, twice the volume of one gas is produced compared to the other. a) Which gas is produced in larger quantities? Explain * I think it's

54. ## physics

The figure shows two points in an E-field: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates in meters. The electric field is constant, with a magnitude of 53 V/m, and is directed parallel to the +x axis. The potential at

55. ## Cultural Diversity & Ethics

Post your response to this question: Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics. Of these societal challenges facing modern African Americans, which do you think are most

56. ## Math ... HELP!!!!!

What is the Least Common Multiple (LCM) of 78 and 104?

57. ## English

Could someone let me know if I am on the right track? I need to find the predicate nouns. If there is none I need to write none. 1.The ancestors of the lnuit people were Asians. PN-Asians 2.They had probably crossed the Bering Sea in umiaks. PN-Bering Sea

58. ## chemistry

to make 100mL of a solution that is .25M in chloride ion, how many grams of MgCl2 would you need to dissolve

59. ## chemistry

How many ml of a .25M HCL would be required to neutralize completely 2.5g of NaOH

60. ## Algebra - solving linear equations w/ substitution

The question in the book reads: "Suppose you try to solve a system of linear equations using substitution and get this result. How many solutions does each system have?" 1)x=-2 2)y=12 3)6=x 4)-8=-8 5)7=y 6)5=3 I understand #3 and #6, but I do not

61. ## math

6.use the remainder theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5-7x^3-11x^2+2 please help...

62. ## grammar

which is the command (select one) 1) Whisk the egg please 2) Open that door now 3) Why are you standing there

63. ## English

How countlessly they congregate O'er our tumultuous snow, Which flows in shapes as tall as trees When wintry winds do blow!-- As if with keenness for our fate, Our faltering few steps on To white rest, and a place of rest Invisible at dawn,-- And yet with

64. ## Math

Solve the system of equations using Row Operations x + y - z = 6 3x - 2y + z = -5 x + 3y - 2z = 14

65. ## Math

The velocity time graph shows the movement of a particle alobg a straight line. The particle passes a point, A, when t=0. It maontains a constant spee, u ms -1, for T seconds and then decelerates uniformly before coming to rest at B. If the average speed

66. ## pre calc

solve the given equation cos(θ) − sin(θ) = 1

67. ## Health safety and nutrition

Describe the steps to a healthy menu for infants, toddlers, and children.

68. ## math

Sam charges a \$5 travel fee and then \$3.25 per hour for labor. How many hours will he need to work to make \$18?

69. ## Finance

10. The following balance sheet extract relates to the ABC Company. Bonds Payable \$1,600,000 Common Stock \$5,000,000 Preferred Shares \$2,550,000 Additional Information: i. The bonds are 8%, annual coupon bonds, with 9 years to maturity and are currently

70. ## Chemistry

Determine the vapor pressure (in atm) of water in an aqueous solution of 12% by mass ethylene group (antifreeze) if the vapor pressure of pure water at that temperature is 0.095 atmospheres.

1. “Had this chief turned a deaf ear to Mr. Oglethorpe, refused his friendship and denied his request, opposing him on the part of the Creeks, then this settlement on the banks of the Savannah would have ended amid smoke and blood.” – Charles C.

72. ## History

Which of the following best describes the difference between the Spanish and the French and British reasons for exploration of North America? a. While the French were interested in spreading their culture to the New World, the Spanish and English were only

73. ## algebra

If (92)p = 98, what is the value of p? 2 3 4 6

74. ## math ( having difficulty)

Superior has provided the following information for its recent year of operation: The common stock account balance at the beginning of the year was \$18,000 and the year-end balance was \$19,000. The additional paid-in capital account balance increased

75. ## algebra

An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire

76. ## Algebra

You and 3 of your friends went to a zoo with a coupon for \$10 off the total price of your tickets. If you paid a total of \$17 for 4 tickets, how much would you (individually) have paid without the coupon?

77. ## Math

Find the critical points and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to each critical point f(x)= (7/4)x^4+(28/3)x^3+(-63/2)x^2-252x critical points in increasing order: c1=? min or max?

78. ## chemistry

Can someone please explain to me how to find the energy released? Given the overall reaction that takes place when hydrogen is burned in a young star, how much energy in MeV is released per He nucleus formed? masses: 1-H atom= 1.007amu 4-He atom= 4.002 amu

79. ## Algebra 3-4

The first stage of a rocket burns 28 s longer than the second stage. If the total burn time for both stages is 152 s, how long does each stage burn? Describe how you found your answer. I was originally thinking to divide 152 by 2 then add 28, but I

80. ## Math 10

Hello, I did this question for homework, but my teacher said it was wrong and she didn't explain how it was supposed to be done. So could you please tell me how I am supposed to do this step by step? "A baseball is thrown from the top of a building and

81. ## Last two CALC questions. :)

8. If f(x) = sin(7 − 5x), find f′(π), which is the derivative at π: −0.754 −0.657 0 * 0.657 3.770 9. Given the function: g(x)={x+b, x

82. ## Calculus - #6

If the following function is continuous, then what is the value of b? g(f)={2t^2+2t-24 if f≠3 {b if f=3 0 3 7 14 None of these If the following function is continuous, then what is the value of a? h(f)={2t+b if f(pi/2) 0 1 2 4

83. ## Calculus - #3

Suppose g(x)={1/(x-2) if x

84. ## Calculus - #1

Suppose g(x)={1/x+1 if x

85. ## Math

cameron is making bead necklaces. he has 90 green beads and 108 blue beads. what's the greatest number of identical necklace he can make if he wants to use all the beads

4. lim (tanx)= x->pi/3 -(sqrt3) 1 (sqrt3) ***-1 The limit does not exist. 5. lim |x|= x->-2 -2 ***2 0 -1 The limit does not exist. 6. lim [[x]]= x->9/2 (Remember that [[x]] represents the greatest integer function of x.) 4 5 ***4.5 -4 The limit does not

87. ## chemistry

What mass of silver chloride can be produced from 1.36L of a 0.130M solution of silver nitrate?

88. ## Math

The price of a technology stock was \$9.83 yesterday. Today, the price fell to \$9.70 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

89. ## math

Sunshine Honda sold 112 cars this month. If that is 40% greater than last month, how many cars were sold last month? which ratio do I do this under? For example Portion=Rate x Base

Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2 , 0 ≤ x ≤ 2

91. ## math

The circumference of a basketball is 26 inches. What is the approximate diameter of a basketball? (Use 3.14 for .)

92. ## Applied Behavioral Science

Recognizing Culture Gaps As a leader, how might a leader recognize a culture gap? What are some techniques leaders might use to influence and change cultural values when necessary?

A coffee cup calorimeter contains 100ml of .200M H2SO4 at 22.3 degrees Celsius. When 2.16g Mg is added, the temperature rises to 36.3 degrees Celsius. What is the heat of the reaction per mole Mg? Please help and show steps. Much appreciated :)

94. ## Math

Teresa had a family photo with the dimensions of 12 inches by 16 1/2 inches. What is the area of the photo in square inches? Please help!!! :(

95. ## chemistry

If you were asked to convert 25 cg to the unit hg, which of the following would be the first fraction used in the conversion?

Determine if the following substances are soluble (at room temperature, 1 atm) in water or in hexane (: grease and CS2 how do you know this

97. ## chem

Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?

98. ## Biology

what would happen to the respiratory system if it didn't have the nose, pharynx, larynx, trachea, bronchi, lungs, and mucus? I know what would happen to the human body but what would happen specifically to the respiratory system? Thank you.