James

Newest questions and responses by James
1. Earth Science

If the mass of a material is 83 grams and the volume of the material is 10 cm3, what would the density of the material be?

2. Earth Science

How many neutrons does an element have if its atomic number is 53 and its mass number is 151?

3. math

Ms. Coleman's class has already collected 403 cans for a food drive, but the class wants to collect a total of at least 1,000 cans. If each of the 28 students in the class brings an equal number of cans, how many more cans should each student bring for the

4. Social studies

The map of Mississippian Indian settlement is most likely displaying which cultural characteristic prior to European contact? A) the official end of nomadic herding B) the establishment of long houses along primary rivers C) the creation of earthen mounds,

5. Social Studies

Which statement BEST describes the people of the Mississippian Period? A) They were farmers who used simple tools to grow their food in small gardens. B) They were buffalo hunters who used the entire animal for their living needs. C) They were hunters and

6. combining like terms

how do I solve this problem b + 18 + 3b = 74

7. math

there are 4 dozen calories in a candy bar. how many calories are there in 30 candy bars

8. Physics

Indigenous people sometimes cook in watertight baskets by placing hot rocks into water to bring it to a boil. What mass of 500ºC rock must be placed in 4.00 kg of 15.0ºC water to bring its temperature to 100ºC , if 0.0250 kg of water escapes as vapor

9. math

Find the gradient: y =2x + 3

10. Geography

What cultures are found in the southwest and the west? (U.S) I am stumped on this and I don't know what to put!!

11. Civics

Explain how good leaders can protect the interest of their follower

12. Physics

A top falls over quickly if it is not spinning, but will stay approximately upright for some time when it is spinning. Explain why this is so.

13. Science

Two trucks collide together and having two mass and two velocity, How can I calculate the direction of velocity two trucks after impact?

14. Math/Physics

Take the acceleration due to gravity as g= 9.81ms-2 A red ball is thrown straight up from the edge of the roof of a building. A green ball is dropped from the same point (t = 1.80s) seconds later. (a) If the height of the building is (h = 74) m, what is

15. art

The first images of Buddha, which appeared around the first century CE, are easily recognizable by certain visual characteristics. Which of the following is a common visual characteristic of representations of Buddha? Distended earlobes Urna (a tuft of

16. french 1

What language would you hear if you visited a Haitian family in the United States? A Vietnamese (what i chose) B English C Spanish D French

17. Math

3ab^2/4ab , 3a^2 b /4a can someone write these in simplest form?

18. Algebra

3ab^2 3a^2 b -------------- * ------------- 4ab 4a

19. Geometry

Eratosthenes knew that in Aswan the sun was directly overhead at noon on the summer solstice. At the same time, he measured the angle of the sun to a vertical line in Alexandria. He found this angle to be one(1/50) fiftieth of a circle a. What was

20. geometry

The Frostburg-Truth bus travels on a straight road from Frostburg Mall to Sojourner Truth Park. The mall is 2 miles east and 5 miles north of the City Center. The park is 5 miles west and 5 miles south of the Center. How far is it from the mall to the park

21. ss

1.What were supporters of the U.S. Constitution called? A. Pundits B. Constitutionalists C. Federalists D. Patriots 2.Why was Georgia so quick to ratify the Constitution? A. Georgians feared that a war with the Creek Indians was coming. B. Georgian

22. history

Which was a contributing factor in President Truman’s decision to drop the atomic bomb? The president needed to experiment with the impact of atomic weapons on a military target. The president wanted to display the might of the United States military to

23. History

What was the purpose of the documentary film The Eternal Jew? to dispel myths of Jewish inferiority and notions of German superiority to educate Nazi officers about Hitler’s plan to exterminate Jews to convince Jews to voluntarily migrate out of Europe

24. History

Which best analyzes criticisms of the New Deal? a.The New Deal was seen as promoting American dependency on the federal government. b.The New Deal was widely condemned for decreasing the power of the United States Supreme Court. c.The New Deal was

25. history

How did Otto von Bismarck help to bring about German unification? He convinced the Austrian emperor to form a pan-German military alliance. He became a strong influence on the king and encouraged the buildup of the military. As minister president, he

26. Physics

A progressive wave equation is given by y=a sin (200(pie)t -(pie)x/17)

27. Math

Solve: dA/dt = -10A, A(0) = 5 ------------------ I tried getting A by itself: A = -1/10 * dA/dt A(0) = 5 = -1/10 * dA/dt but I'm somewhat sure that's wrong; so integrating I get: int(dA/dt) = int(-10A) A = -5A^2 which doesn't make sense to me intuitively

28. History

Which identifies the Nazi paramilitary organization responsible for implementing the exterminations of the Final Solution? Gestapo Luftwaffe SS (Schutzstaffel) Brownshirts im confused i read thur the text but still can't find the answer but i believe it

29. History

the belief that the government can stimulate economic growth by increasing military spending Which term was defined? military Keynesianism military Marxism military Capitalism military Utopianism again i just want you to check. C?

30. history

Which temporary solution was adopted in 1924 to address the economic problems caused by Germany’s inability to make reparations? Young Plan Marshall Plan Versailles Plan Dawes Plan its D right? Just want to make sure.

31. world history

Which identifies an argument that the Nazis used to claim that the Weimar government was weak? The Weimar government refused to pay any of its war reparations. The Weimar government followed a democratic process to govern. The Weimar government formed a

32. Languages

how do say "lets get some food" and "help me" in sign-language???

33. History

For generations after the book was written, calling a black person an “Uncle Tom” was a real insult. Relating it to the book, do you feel that was an insult? Support your answer. Book: Uncle Tom's Cabin. Thank you for helping.

34. Math

A girl has 98 beads,and all but 14 were lost. How many beads did she loose?

35. maths

if n varies inversely as kv/k+v and it is equal to 16. When k=4 v=8 find the relationship between k v and n

36. Maths

A woman involved a sum money 8890 partly at 10percent and partly at 15percent if the total interest is 560 per annum find the amount invested at 15percent

37. Math

Mabel bought some notepads for \$56. If she was given a discount of 30%, she would be able to buy 40 notepads more. What was the original price of each notepad?

38. science

a man with a mass of 90,6 kg walks to the back of a train at a velocity of 1m/s while the train moves at a constant velocity of 36km/h in a easterly direction. what is the weight of the man

39. English

Identify the meaning relation for each example. Possible answers are synonymy, antonymy, polysemy, homophony, contradict, hyponymy, hypernymy, paraphrase, contradiction. a) chair / furniture b) run: verb meaning to walk rapidly / run: a point in baseball

40. English

Consider the following sentence: "Adam believes that Julio drives a red car" How many subjects does this sentence contain? List them. How many direct objects does this sentence contain? List them. --- I think there are two subjects, Adam and Julio. As for

41. Calculus

Write the integral in one variable to find the volume of the solid obtained by rotating the first-quadrant region bounded by y = 0.5x^2 and y = x about the line x = 5.

42. Physics

Question 22 Unsaved If the gravitational force exerted by the Moon on an astronaut landed on the Moon is 113.6 N, what is the mass of the astronaut?

43. Math

.Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is

44. chemistry

a student accidentally mixed sodium carbonate an calcium carbonate. state how he would obtain pure sodium carbonate from the mixture

45. Math

An examination fee is partly constant and partly varies directly as the number of subject entered. When the examination fee is 55000 three subjects are entered when that examination fee is 700, five subjects are entered. Write a law of variation and find

46. math

Palo Alto College is planning to construct a rectangular parking lot on land bordered on one side by a highway. The plan is to use 560 feet of fencing to fence off the other three sides. What dimensions should the lot have if the enclosed area is to be

47. Math

The minute hand of a clock is 6cm long.how far does the end of the hand travel in 35minute

48. Math

For a constant area, the length of a rectangle varies inversely as its width. The length of a rectangle is 27 ft when the width is 10 ft. Find the width of a rectangle with the same area if the length is 18 ft.

49. math

Blake and Luke can paint a room in 15 hours. Luke can paint the room by himself in 25 hours. How long does it take Blake to paint?

50. Maths

What does the term adaptation mean? how does adaptation explain the patterns of distribution of plant and animal species in the world? I need help.. Can someone give me the answer? Thanks.. :3

51. math

Solve the following equation for B: A=[h(b+B)]/2

52. Math calculus 2

Find the volume of the solid generated by revolving the region enclosed by the curves y=5*(sqrt(x)), y=0, and x=2 about the line x=9.

53. math

Abigail lives in an off-campus apartment. Some days she rides her bike to campus, other days she walks. When she rides her bike, she gets to her first classroom building 36 minutes faster than when she walks. If her average walking speed is 3 mph and her

54. math

Solve: {(3r+s)/(10r^2-3rs-s^2)}+{(2r-s)/(2r^2+rs-s^2)}

55. Math

Solve: ((3/n)-(2/m)) ------------------------ (9m^2)-(4n^2) ----------------- mn ----- AND / = fraction bars

56. Chemistry

How many grams of Na2SO3 (Sodium Sulfite) must be added to 225 mL of 0.0777 M sulfurous acid (H2SO3) to prepare a buffer at pH = 7.4000? H2SO3 has a pKa1 = 1.857 and pKa2 = 7.172.

57. history

Define the term “Cold War”. Why were both the Soviet Union and the United States fearful of starting an outright war with each other? Detail one event or situation that brought both sides close to nuclear war. (Ex. Cuban Missile Crisis)

james is taking a test in his geomtery class. His teacher asked him to determine the equation of the line perpendicular to the line 2x-y=-3 and passing through the point (8,2) , which line should he choose. A. y+ 1/2x=6 B.y+2x=18 C. y-2x=-14 D. y +1/2x=9

59. math

In 2010 the birthrate in a certain country increases from 11*(e^(0.04*t)) million births per year to 16*(e^(0.04*t)) million births per year, where t is the number of years since January 1, 2010. Set up the integral and find the projected increase in

60. Calc 3

Describe the locus of points in R3 equidistant from the origin (0, 0, 0), and the plane x + y + z = 1.

61. physics

An electric wheel chair is designed to run on a singe 7-V battery rated to provide 87-Axh. If the wheelchair experiences an average total retarding force (mainly friction) of 150-N, how far in meters can the wheelchair travel in one charge?

62. University Organic Chemistry

Lab questions to Diels Alder butadiene experiment : Why do the anhydride groups of the maleic anhydride reactant help the Diels-Alder reaction go faster? Why does the diene need to be in the s-cis conformation to give the cyclic product? Why is it not

63. Pre Calc

Use the Pythagorean identities rather than reference triangles . Find tanθ and cotθ if secθ = 5/2 and sinθ

64. biology

does 1 gene code for 1 trait? explain

65. math

(3x^3+ 5x^2– 11x + 3) ÷ (x + 3) – (x + 2)(3x – 5) is the answer -5x+11?

66. Mathermatics 2

Plot three points with second coordinate Equal to (1.3) and join them.

67. geography help

What factors are contributing to a aging popluation?

68. Calculus

I just need help with one question. A bacteria population starts with 500 bacteria and grows at a rate of r(t) = 548e^(6.5t) bacteria per hour. Determine the number of bacteria after 1 hour. Thank you!

69. Calculus

I need some help with this Calculus problem. A bacteria population starts with 500 bacteria and grows at a rate of r(t) = 548e^6.5t bacteria per hour. A. Determine the function P(t) which gives the population at time t. C. How long does it take the initial

70. Physics! Help!

Two planets of mass 3 x 1025kg are release from rest 1.5 x 1012 m apart. What is the speed of the planets when they are half this distance apart? Help! I've been stuck on this for a good bit! I cant seem to find a formula that can help me solve this! I can

71. Social Study 6th

Who suffered the most from the crowding in the city? the people already living in the city; the people still living in the country; the new arrivals from the country; government officials

72. PHYSICS! -need help!-

A proton of mass m undergoes a head on collision with a stationary atom of mass 20m. If the initial speed of the proton is 485 m/s, find the speed of the proton after the collision.

73. Global Studies

1)Why did Hitler killed jewish people ? 2)How many jewish people were killed during World War 2?

74. math

If 2 adult tickets and 1 child ticket cost \$8 and if 1 adult ticket and 3 child tickets cost \$9, what is the price of each ticket

75. math

write a two column proof for this Given:QR||TU , S is the midpoint of QT Prove: /\ QSR=~/\TSU /\ IS the triangle sign =~ is the congruent symbol

76. math

Write a 2-column proof Given: RS=~TS, V is the midpoint of RT Prove: /\RSV=~/\TSV /\ is the triangle sign

77. math

Which ordered pair is a solution to the equation y = 13 ‒ x?

78. Computer Programming

Create the psuedocode for an application class named Monogram. Its main() method holds three variables that hold your first, middle, and last initials, respectively. Create a method to which you pass the three initials and that displays the initials

79. Algebra

Find an equation of the line passing through the points (2,3) and (6,-3)

80. latin 1

dominus me amat. dominus me amat quod vitam fili servabam.sum xeno; romae ( in rome) sum sextus. mox liber (free)ero.

81. Calculus

1) A particle is moving along the x-axis so that its position at t ≥ 0 is given by s(t) = (t)In(2t). Find the acceleration of the particle when the velocity is first zero. 2) The driver of a car traveling at 50 ft/sec suddenly applies the brakes. The

82. Middle East

In what way the role of women has changed in the history of the Middle East?

83. Physics

A skateboarder with an initial speed of 3.1-m/s, rolls virtually friction free down a straight incline of length 18-m in 3.2-s. At what angle (in degrees) is the incline oriented above the horizontal?

84. Physics

A wet bar of soap slides down a ramp 5.3-m long inclined at 4.9o. How long (in seconds) does it take to reach the bottom, assume the coefficient of kinetic friction is 0.04.

85. Physics

A car can decelerate at -3.36-m/s2 without skidding when coming to rest on a level road. What would its deceleration (in m/s2) be if the road is inclined at 8.6o and the car moves uphill? (Assume the same static friction coefficient.

86. Physics

A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 25o above the horizontal. The coefficients of static friction and kinetic friction between the box and wall are 0.21 and 0.51, respectively.

87. Calculus

a solid has as its base the region bounded by the curves y = -2x^2 +2 and y = -x^2 +1. Find the volume of the solid if every cross section of a plane perpendicular to the x-axis is a trapezoid with lower base in the xy-plane, upper base equal to 1/2 the

88. Math

What can you say about sets A and B if you know that. 1)A U B = A? 2)A n B = A? 3)A - B = A?

89. science

which part of a plant cell is made of cellulose

90. feasibility study on banana plantation in nigeria

feasibility study on banana plantation in nigeria

91. Chemistry

The density of palladium (Pd) is 12.0 g/mL and the cell volume is 5.89 ✕ 10^−23 mL. Determine the number of atoms in the unit cell. (Because there cannot be a part of an atom in a unit cell, we must round the number of atoms to the nearest whole

92. math

An apartment building has 15 apartments in it. The tenant association is having a hard time collecting the fees from the tenants with an 0.6 probability of a tenant paying their fees. What is the probability of tenant association collecting fees from 11

93. math

analysis of another rock shows that it contains 60% of its original element; the other 40% decayed into lead. How old is the rock ?

94. College Physics

1. A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. (It is caught

95. Physics

A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. (It is caught

96. Maths

Round 5,000.083 to three significant figure.

97. MATHS

A chord 20cm long is 12cm from the center of a circle calculate, correct to one decimal place

98. chemistry

The reaction of hydrochloric acid and sodium hydroxide is exothermic HCl +NaOH --> NaCl + H2O In one experiment, a student placed 50.0 mL of 1.00 M HCl at 25.5 oC in a coffee cup calorimeter. To this was added 50.0 mL of 1.00 M NaOH solution, also at 25.5