Popular questions and responses by Jade
1. History

Which accurately compares a benefit of Jamestown’s environment with a disadvantage? The island location made it good for trade, but the riverbank was too far to reach with a bridge. The old-growth forests were rich in timber, but putting out forest fires

2. Chemistry

What limitations might an atomic model have in properly illustrating the structure of an atom? An atomic model cannot be used to represent the relative number of each subatomic particle within a specific atom. An atomic model helps with calculations to

3. English

Identify the correct sentence. A. Has your cousin and her boyfriend come by to visit you? B. Have your cousin in addition to her boyfriend come by to visit you? C. Have your cousin plus her boyfriend come by to visit you? D. Have your cousin and her

4. math

Sam is flying a kite. The length of the kite string is 80 meters, and it makes an angle of 75° with the ground. The height of the kite from the ground is... A.20.27 B.61 C.77.27

5. physics

Tarzan, mass 85 kg, swings down on the end of a 28 m vine from a tree limb 4.4 m above the ground. How fast is Tarzan moving when he reaches the ground?

6. maths

A fruit drink is made by mixing juice and lemonade in the ratio : 1 : 4 (juice : lemonade) Juice costs £6.00 per litre. Lemonade costs 50p per litre. a) show that 1 litre of the fruit drink costs £1.60 to make. b) The fruit drink is sold for £2 a litre.

7. Stats: Counting Techniques Fundamental Theorems A

A company has 12 male and 10 female employees, and needs to nominate 3 men and 3 women for the company bowling team. How many different teams can be formed?

8. Math

A ship leaves port at 1:00 P.M. and travels S35°E at the rate of 28 mi/hr. Another ship leaves the same port at 1:30 P.M. and travels S20°W at 18 mi/hr. Approximately how far apart are the ships at 3:00 P.M.? (Round your answer to the nearest mile.) I

9. mathematics

3/x+1 - 1/x-2

10. algebra

1,200 mils to inches (Round answer to the nearest tenth.)

11. algebra

38 milliamps to amps (Round answer to the nearest thousandth.)

12. Biology

Which one of the following is not a trace element in the human body? a. fluorine b. nitrogen c. zinc d. manganese e. iodine. The human body contains about 2.6% nitrogen. That is way above the percent in the definition of trace elements See:

13. math

Two boys weighing 60 pounds and 80 pounds balance a seesaw. How many feet from the fulcrum must the heavier boy sit if the lighter boy is 8 feet from the fulcrum? thank you!!

14. math

Stephen drove at a constant speed from Town X to Y at 9 A.M.yesterday. Half an hour later Cole drove from Town X to Y at A constant speed that was 30 km/h faster than Stephens. By 9:30 A.m, Stephanie had already traveled 40 km. Cole caught up with Stephen

15. physics

A motorist with an expired license tag travels at a constant speed of 17.2 m/s down a street, and a policeman on a motorcycle, taking another 4.08 s to finish his donut, gives chase at an acceleration of 2.71 m/s2.

16. Trial Balance

Given the following balances, the total debits in the trial balance would equal: Equipment \$ 37,000 Accounts Payable 2,000 Sales 49,000 Accumulated Depreciation 4,000 Accounts Receivable 7,000 Retained Earnings 16,000 Salary Expense 6,000 Cash 8,000 Share

17. math

Deepak is 10 years old, and his brother is 7 years old. In how many years time will their total age be 41.

18. chemistry

H2SO4(aq) + NaOH(aq)-> Na2SO4(aq) + H2O(l) Consider the unbalanced equation above. What is the concentration of the original sulfuric acid solution if 60.5 mL of the acid reacts with 18.0 mL of 0.110 M sodium hydroxide?

19. Physics

what is the angular speed, in rad/s, of a point on the surface of Jupiter at latitude 72 degrees N?

20. centimeter dot grid

I have to draw rectangles with a perimeter of 16 cm and I don't know how to do it.

21. chemistry

If you ran silver nitrate on tap water and distilled water,which one may show a slightly positive reaction? Why?

22. math

315 divided by 5

23. English

Gripping the rail, "Lindsey stepped onto the ice". A.) independent clause B.) adjective clause C.) adverb clause D.) noun clause c??

24. math

This year, the sum of Mr. Bellini's age and his son's age is 38 years. 4 years ago, Mr. Bellini was 5 times as old as his son. How old is his son this year? How old is Mr. Bellini this year?

Questions: 3. Paella is a dish like tacos. a dish made of rice, seafood, and vegetables eaten in Spain. another name for enchiladas. 4. Fast-food restaurants in the Spanish-speaking world are generally very popular with adults. look similar to the ones in

26. algebra

ental car company charges a base fee of 15.00 plus 0.35 per mile driven which of the following equations models the charge c for renting a car based on the number of miles

27. Math

The Leaning tower of pisa is 55.9m tall and leans 5.5 degrees from the vertical. If its shadow is 90.0m long, what is the distance from the top of the tower to the top of the edge of it’s shadow? Assume that the ground is level.

28. Physics

a 60-kg student travelling in a car with a constant velocity has a kinetic energy of 1.2 *10^4 J. What is the speedometer reading of the car in km/h?

29. chemistry

Al(s) + H2SO4(aq)-> Al2(SO4)3(aq) + H2(g) Consider the unbalanced equation above. What volume of 0.490 M H2SO4 is needed to react with excess aluminum to produce 1.60 g of Al2(SO4)3? Use a molar mass with at least as many significant figures as the data

30. Math

Mabel has a total of 54 decorative beads. Some are black and some are white. The ratio of the number of black beads to the number of white beads is 7 : 2. How many more black beads than white beads are there?

31. Physics

This is an Oscillations question. A horizontal plate is vibrating vertically in simple harmonic motion at a frequency of 20Hz. What is the maximum amplitude of vibration so that a coin of 0.0080kg resting on the plate always remains in contact with it?

32. Physics

A Ferris wheel, 24.0 m in diameter, rotates once every 12.5 s(see the diagram.) What is the fractional change in a person'sapparent weight (a) at the top, and (b) at the bottom, as comparedto her weight at rest?

33. Math-Lit 143

Suppose you buy a two-year CD for \$50,000 from First Command Bank. Use the APY from the First Command Bank table to determine how much interest it earns for you at maturity.

34. Math

1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½? 2. Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the first term of the sequence.

35. Physics

A person runs 800. m at an average speed of 6.00 m/s and then the next 800. m at an average speed of 8.00 m/s. Calculate (a) the total time of travel and b) the average speed.

36. math

If Julie bought 8 T-shirts, she would be short \$28. If she bought 4 T-shirts and 3 baseball hats, she would have \$17 left. If each hat cost \$5, how much money did she have in the beginning?

37. Trig

A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute?

38. Algebra

2,250 watts to horsepower (Round answer to the nearest thousandth.)

39. Algebra

32 ½ meters to feet (Round answer to the nearest thousandth.)

40. chemistry

what are the solute particles present in boric acid (H3BO3)?

Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just don't know the

42. physics

Last question from me Suppose the driver in this example is now moving with speed 39.6 m/s, and slams on the brakes, stopping the car in 4.1 s. (a) Find the acceleration assuming the acceleration is constant. m/s2 (b) Find the distance the car travels,

43. math

A triangle has an exterior angle of 110 degrees, what is the value of angle x?

44. ss

4. What mountain range became the boundary line set by the Proclamation of 1763

45. Math

If one side of triangle measures 3.5 dm. What is the perimeter

46. Math

What is 7/8 into 11/16?

47. Chemistry

Write the dissociation equation for calcium chloride. Include a diagram of the resulting solution.

48. physics

Drag race tires in contact with an asphalt surface probably have one of the higher coefficients of static friction in the everyday world. Assuming a constant acceleration and no slipping of tires estimate the coefficient of static friction for a drag racer

49. Social Studies

1. The French announced support for the United States after the American victory at _____. A. Boston B. Saratoga*** C. Philadelphia D. Yorktown

50. biology

What is the role that sensors play in the maintenance of homeostasis in the human body?

51. Math

An equation can be used to find the height of a child. Equation is h=2c. The child is 36 inches at 18 months. (12in=1ft) How tall is the child?

52. chemistry

at STP , what is the volume of 7.08 mole of Nitrogen gas ?

53. geometry

A model is made of a car. The car is 7 feet long, and the model is 16 inches long. What is the ratio of the length of the car to the length of the model? 4:21 7:16 16:7 21:4 I think it is C.

54. Math

Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one

55. Chemistry Help

1. Spectroscopic studies of the reaction of azide ion with the cluster [Ru3(CO)12] in acetone solvent confirmed the occurrence of process (i) under a CO atmosphere. Kinetic measurements of this rapid [Ru3(CO)12]+ N3– →[Ru3(NCO)(CO)11]–+ N2(i)

56. English

Selina Sanchez, together with her colleagues, ________ a competitive market research model for other businesses to follow. (Points : 1) present presents

57. math

Sarah bought 8 folders and 3 rulers. Lea bought 8 rulers and 3 folders. Sarah paid \$1.25 more than Lea. How much was each folder if each ruler was 45 cents?

58. statistics

Let x and y be the amounts of time (in minutes) that a particular commuter must wait for a train on two independently selected days. Define a new random variable w by w = x + y, the sum of the two waiting times. The set of possible values for w is the

59. Chemistry

How many grams of CuSO4 * 5H2O are needed to prepare 100mL of a 0.10 M solution ?

60. Spanish 1

Complete the sentences with the correct form of ir. todos Los Dias, yo ____ a la escuela

61. math

Which units would you use to measure the area of a rectangle with L=1m and W=34 cm? Explain

62. Science, Heat Transfer

list 3 forms of radiation from the sun. how are they alike. how do they differ?

63. Trigonometry

find all values of theta in the interval 0

64. science

Betsy and Michael are 150 meter apart, Michael is walking toward Betsy at a constant speed of 2.5m/s. start from the rest, how long it take to meet?

65. maths for social science

. A project management consultant estimated that if a particular project was completed, that t years after its date of completion, P thousand persons would be direct beneficiaries of the project, where P (t) = t3/3 - 5t2 +20t, 0

66. algebra

For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula, , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your

67. a

For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula, , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your

68. algebra

An open-top box is to be constructed from a 6 foot by 8 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. 1. Find the function V that

69. algebra

An open-top box is to be constructed from a 6 foot by 8 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. a)

70. precalculus

Which statement correctly describes the function? f(x)= x+4/ x^2+7x+10 A. It is continuous. B. It is discontinuous because there is a value a for which f(a) is not defined. C. It is discontinuous because there is a value a such that lim x->a f(x) does not

71. History

HELP! Can you help me with this question...How did the Magna Carta limit the power of King John?

72. algebra

Consider the infinite geometric series below. a. Write the first 4 terms of the series b. Does the series diverge or converge? c. If the series has a sum, find the sum. ∞ ∑ (-2)^n-1 n=2 not sure how to do this at all

73. Geography

How early New Guineans different from Australia’s first people? A. They were among the first people to discover farming B. They lived by hunting,fishing, and gathering ~~ C.They were divided into hundreds of distinct ethnic groups D. They migrated to the

74. maths

1. Papa Tom Smurf is a smurf-player. He wants to take two smurfettes out on a date. There are 3 blue smurfettes, 5 navy smurfettes and 2 turquoise smurfettes. a) What’s the probability that the smurfettes he dates are of different colours? (4) b) If he

75. algebra

how do u find the slope-intercept the y-intercept and the x-intercept

76. Math

If a fencing costs 75 cents a foot ,what is the cost of a fence around a square lot,one whose sides measures 40 ft?? Plz help🙏🙏

77. math

solving rational numbers is so confusing.I don't understand how to solve -14/5 x (-51/69)

78. Electro technology

A 30kw , 500 volt shunt generator has its driving machine uncoupled after it has reached normal operating temperature. It is then run as motor drawing an armature current of 4A from a 500 volt supply. The machine has an armature and shunt field resistance

79. history

This is about Elizabethan England. If protestants wanted the monarch to be in charge of the religion, why did puritans not accept Elizabeth as supreme governor?

80. Industrial electronics

A voltage at a frequency of 500KHz is maintained across a coil with a variable capacitor .when the capacitor is set to 455pF, the current has its maximum value, but when the capacitance is reduced to 424pF , the current is 0,707 of its maximum value.

81. Math

Solve for a : 6( a-1)^2 -9 (a-1) -42

82. Math

Solve for x: Log base 3 square root of x +1/2 = 3log base x 3

83. physics

I guess this is my last question really don't understand what im writing in wrong when it goes to the quadratic equation. Below is the question: A car traveling at a constant speed of 26.7 m/s passes a trooper hidden behind a billboard, as in the figure.

84. Natural Sciences

The Moon's gravity is one sixth that of the Earth's gravity.If you can jump 1.5m on the Earth's surface , how high would you jump on the Moon's surface?

85. Life orientation

Six suggestions on how to deal with human rights violation

86. Accounting

Journal Entry Help GST rate 15% MMT Ltd. completed the following transactions and events in the first month of its operation. June 2018 1 Sole shareholder (Jason) invested \$65,000 cash. 1 Jason contributed a computer, fair value, \$1,495 GST inclusive. 1

87. Math

The circumference of a circular table on Beverly‘s porch is 72 pi inches what is the radius of the table

88. Calculus I

Where on the interval [0,pi/4] is the function f(x)=(7x+3)/(cos(4x)) continuous? Using interval notation

89. Geometry

The area of a regular octagon is 25 cm2. What is the area of a regular octagon with sides four times as large? Can someone explain how to do this? I keep getting 2500 but i was told it's wrong.

90. math

hello, im in 3rd grade and i need help on these 2 questions. 1) What is 3 as a percentage of 10? 2) The nth term rule for a sequence is 2n+3. Write the first 4 terms in this sequence. is question 1 30% thanks if you reply

91. Physics

How might the poor fellow stranded in the desert benefit from a pair of Polaroid sunglasses?

92. geometry

Given: LM ∥ KN , KL ∥ NM LP = h­1 = 5 cm, MQ = h2 = 6 cm PKLMN = 42 cm Find: Area of KLMN

93. calculus ap ab

(a) For f(x)=2x^3, find an equation of the linear function that best fits f at x=1. (b) Use the tangent line equation you found in (a) to approximate f(1.1). (c) Find the actual value of f(1.1) by using the function f(x). (d) Fill in the blank with < or >.

94. math

Solve the system by elimination. State whether the system has one solution, infinite solutions, or no solution. x + 3y = –5 4x – y = 6 please help thanks

95. math

a hang glider flying in the air is 56 meter from an observation point on the ground. if it is 50 meter along level ground from the observation to a point directly under the glider, how high is the glider?

96. Chemistry

My teacher asked us the origin of atomic spectra. She did not explain it very well. can someone please explain.Also how do you perform calculations using the Balmer-Rydberg equation? I don't get it. Thank you

97. Science

Each mineral group has a distinct chemical feature, such as A sulfides are a metal combined with sulfur and oxygen B oxides are a metal combined with oxygen C halides are a salt combined with a metallic atom D phosphates are made of phosphate polygons

98. Matg

kyle has a job at t shirts r us that pays \$8.50 per hour" but requires an employee to purchase a uniform for \$15. Kara works at caps n tees and earns \$6 an hour. How many hours would kyle and kara have to work to earn the same pay?

99. math

What is 112% of 80?