# lost

Most popular questions and responses by lost
1. ## algebra

The table shows how much a carpenter charges for work. Is the relationship shown by the data in the table linear. Explain your answer. hours worked Amount Charged(\$) 1 25 2 40 3 60 4 80 my answer is: 40-25 = 15 60-40= 20 80-60=20 15=/20 It is linear

2. ## History

Which phenomenon would be cited as evidence of increased economic interdependence between Europe and Americas? A. the agreement on the Line of Demarcation B. the condition on the Middle Passage c. the depopulation of Native Americans D. the development of

3. ## Algebra

For the pair of similar solids, find the value of the variable. radius 15cm height 6cm the other is radius 5cm height x cm 3cm **** 18cm 16cm 2cm For the pair of similar solids, find the value of the variable. base x mm height 24mm the other base 4mm

4. ## algebra

Find the lateral area oft he square pyramid 8m 8 m slant height 22m 1/2 8x22x3.14=4014.92

5. ## History

What did the first civilization in Asia and Africa have in common? A They emerged along sea coast b. They had organized governments c. They lacked social hierarchies d. They practiced monotheism. My answer is D

6. ## Algebra

To Which subset of real numbers does the number 1/5 belong? A irrational numbers B rational numbers c whole numbers, integers, rational number***** d whole numbers, natural numbers, integers

7. ## Physics

The position of the front bumper of a test car under microprocessor control is given by x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6. Find it's acceleration the second instant when the car has zero velocity. I already know that the position of the car when it

8. ## algebra

Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 *10^12 miles. Suppose a star is 3.2 * 10^2 light-years from Earth. In scientific notation, approximately how many

9. ## History

Which of the following did fifteenth and sixteenth century European explorers find in the Americas? A evidence of earlier European colonies B. largely unsettled lands C. many distinct native civilizations D small groups of roving nomads. My answer is C

10. ## Chemistry H

If the pressure on the surface of water in the liquid state is 30 kpa, the water will boil at... 0, 30, 70, or 100 degrees c?

11. ## History

Which accomplishment most likely helped the Incan emperor maintain rule over widespread lands? A The Inca built a vast network of roads B The Inca developed a uniform system of writing C The Incan emperor claimed ownership of all land D The Incan emperor

12. ## Math

Triangle S(-6,10)T(-9,3)U(-3,3) is translated right 2 units and 3 units down. What are the coordinates of the vertices of the image? s'(-9,12), t'(-12,5), u'(-6,5) s'(-4,7), t'(-7,0), u'(-1,0) s'(-8,13), t'(-11,6), u'(-5,6) s'(-4,10), t'(-7,32), u'(-1,3)

13. ## Math

Without graphing, tell whether the line containing (6.-3) and (0,-8) is horizontal, vertical or neither. I believe it horizontal

The momentum and the kinetic energy of particle A is eight times and nine times the momentum and the kinetic energy of particle B, respectively. What is the ratio of the mass of particle A to that of particle B?

15. ## Social Studies

Please check my answers 1. There were two different groups in the elite planter class. What distinguished these groups? education level how many generations had money*** their location the crops they planted 2. Which of the following accurately represents

16. ## Math

The point C(3, -1)is translated to the left 4 units and up 1 unit. How do I write a rule to describe the translation?

17. ## chemistry

Benzene has a heat of vaporization of 30.72kj/mol and a normal boiling point of 80.1 C . At what temperature does benzene boil when the external pressure is 410 ? This is how I am solving this problem, ln(415/760)= (30720/8.314)*(1/80.1 - 1/T2) It is

18. ## Math

Find the coordinates of the image of point R(3, -5) rotated 180 about the origin. I think the answer is (-5,-3)

19. ## Math

Point M(4, 3) is translated according to the rule (x, y) (x+2,y-5). What are the coordinates of of M?

20. ## Social Studies

How did Reconstruction affect daily life in south Carolina? A. Carpetbaggers and scalawags had less of an influence on the state.**** B. Northerners and freedman had more opportunities in the state. C. African Americans families received 40 acres and a

21. ## Math

Triangle ABC has coordinates A(1,4) B(3,-2) and C(4,2) Find the coordinates of the of the image reflection over the x-axis. I believe it would be the opposite. A(1,4) B(3,-2) C(4,2)=(-1,-4) B(-3,2) C(-4,-2) Is this right

22. ## Algebra

An ice cream scoop has a diameter of 2 1/2 inches. What is the volume of the sphere-shape scoop of ice cream that the scooper makes? 6.54 in3 8.18 in3**** 19.63 in3 64.45 in3

23. ## geometry

Find the missing value to the nearest hundredth sin ___=18/27 56.31 48.19**** 41.81 33.69 Please check my answer

24. ## English

Which of the following sentences from Of Wolves and Men uses imagery to engage the reader? The wolf is three years old. It is now late afternoon.**** His ears are rammed forward, stiff. It is not the time of year for much howling

25. ## Math

What is the correct description for the translation of A to A? (10,3)-> (1,6) right 9; up 3 left 9; down 3 right 9, down 3 left 9; up 3 I think the answer is right 9;up 3

26. ## geography

In The Deadliest Tsunami History all of the following were effects of the tsunami except lack of food no clean water mass animal deaths*** the coastline was destroyed

27. ## History

Which statement is true in the context of European exploration in Asia? A. Spain was the first European power to gain a foothold in Asia B. Portugal seized the island f Goa, making it their major military and commercial base C. For most of the 1500s,

28. ## Geometry

A model is made of a car. The care is 5 feet long and the model is 8 inches long. What is the ratio of the length of the car to the length of the model? 8:5 15:2 2:15 5:8 My answer is 2:15

29. ## Math

Determine which ordered pair is a solution of y=x2 -2. (-2,6) (5,21) (-1,-1) (-5,24)

30. ## algebra

Will someone please look over these? I am so lost on these. 1. find the domain of p(x)=xsquared+10- I said {x|x is a real number 2. find the intercepts of 3x+2y=6- I got (0,3) and (2,0) 4.find the equation of (-6,-6)and (6,6)- got y=x 7. slope and

31. ## physics college

A billiard ball that is initially at rest is given a sharp blow by a cue stick. The force is horizontal and is applied at a distance h = 2R/3 below the centerline, The speed of the ball just after the blow is v0 and the coefficient of kinetic friction

32. ## Social Studies

Which of the following events caused the end of the Depression of 1893? The supply of gold increase. The government printed extra money. Inflation caused the price of goods to increase.*** Several banks closed.

33. ## Calculus

A swimming pool is 60ft long by 25ft wide. Its depth varies uniformly from 3ft at the shallow end to 15ft at the deep end. The pool is being filled with water at a rate of 800ft3/min. There is 5ft of water at the deep end. What is the equation for finding

34. ## ALG/TRIG

I cannot seem to get the right answer. Animal Pulse Rate According to one model, an animal’s heart rate varies according to its weight. The formula N(w)=885w^-1/2 gives an estimate for the average number N of beats per minute for an animal that weighs w

35. ## Geometry

Find the geometric mean of the pair of numbers 6 and 10. sq rt 66 sq rt 70 60 2sqrt 15 my answer is 60

36. ## physics college

A billiard ball that is initially at rest is given a sharp blow by a cue stick. The force is horizontal and is applied at a distance h = 2R/3 below the centerline, as shown in the figure below. The speed of the ball just after the blow is v0 and the

37. ## Science

Which of these is a natural factor that affects the environment? Domestication Oxygen Research Factories My answer is oxygen

38. ## Managerial ECON

QuadPlex Cinema is the only movie theater in Idaho Falls. The nearest rival movie theater, the Cedar Bluff Twin, is 35 miles away in Pocatello. Thus QuadPlex Cinema possesses a degree of market power. Despite having market power, QuadPlex Cinema is

The path of a bottle rocket being launched into the air and falling back to the ground can be modeled by the equation s=1/2 at^2+v_o t+s_o where s is the height of the object, a is the acceleration, vo is the initial velocity, and so is the initial height.

40. ## Pre-Calculus

A local salesman receives a base salary of 675 monthly. He Also receives a commission of 11% on all sales over 1900. How Much would he have to sell in a month if he needed to have a monthly income of 3000? My Work: 1900*.11=209 3000-675=2325

41. ## physical geoprahy

Assume that a parcel of air is forced to rise up and over a 6000-foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and

42. ## physics college

Use Newton's Law of Gravitation to compute the work W required to propel a 1100 kg satellite out of the earth's gravitational field. You may assume that the earth's mass is 5.981024 kg and is concentrated at its center. Take the radius of the earth to be

43. ## Algebra

Which equation has the graph parallel to the graph 9x + 3y =-22 y=3x-22**** y=-3x + 8 y=1/3x + 12 y = -1/3x-2 Please check my answer

44. ## URGENT MATH HELP!

When a ball is thrown upward, its height, h, in metres, is given by h=1.5 +19.6t -4.9t², where t is the number of seconds after it is thrown. For what length of time is the ball above the ground?

45. ## Math

If the lengths of the legs in a right triangle are 7 and 8, what is the approxir? 1.4 3.5 5.4 10.6 I think it is 5.4

46. ## physics

Practice Problem 13.9 Let's begin by looking at a flow problem in which the diameter of a pipe changes along the flow path. We will need to use both the continuity equation and Bernoulli's equation for this problem. Water enters a house through a pipe with

47. ## Managerial ECON

Suppose that a firm is currently employing 10 workers, the only variable input, at a wage rate of \$100. The average physical product of labor is 25, the last worker added 10 units to total output, and total fixed cost is \$5,000 a. What is marginal cost? b.

48. ## Science

Which of these is an example of how an abiotic factor affects a biotic factor? 1 Taming of a wild animal, like Cockatoo, for commercial purposes. 2. A fungus infects the population of frogs causing a population decline 3. An increase in rainfall leads to

49. ## Algebra

(9*10^4)(8*10^6) Write the results in scientific notation 7.2*10^25 1.7*10^11 7.2*10^11 1.7*10^25 my answer 1.7*10^11

50. ## math

(y4)(y3) y1 y2 y12 y43 I think it is y12

51. ## math

The vertices of ^ABC are A (2,-5), B(-3,5) AND c(3,-3) The Triangle is reflected over the x-axis. I think the answer would be A(2,-5), B(-3,5), C(3,-3) ->(-2,-5), (3,5), (-3,-3)

52. ## physics

The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. at what rate does mechanical energy turn into

53. ## math

Determine which ordered pair is not a solution of y=-5x-4. (10,-52) (7,-39) (-7,31) (8,-44) I think it is (7,-39)

54. ## Managerial ECON

You are planning to estimate a short- run production function for your firm, and you have collected the following data on labor usage (L) and output (Q): Labor usage Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23 a. Does a cubic equation

55. ## Social Studies

How did knowing how to cut and stack stones help early Andean civilizations grow? A. They built walls to keep out invaders. B. They built large buildings to store food. C. They built monuments to great leaders. D. They built irrigation channels to carry

56. ## Managerial ECON

The chief economist for Argus Corporation, a large appliance manufacturer, estimated the firm’s short- run cost function for vacuum cleaners using an average variable cost function of the form AVC = a + bQ + cQ2 where AVC dollars per vacuum cleaner and Q

Alicia deposited \$2000 into saving. The bank pays 6% ordinary interest. How many years will it take for the \$2000 to reach \$2600?

58. ## Chemistry

I have to write the equation for the following and I am not figuring it out.I was out with flu and so lost...please help. How many moles of Hydrochloric acid are needed to dissolve 39.0 grams of aluminum Hydroxide? How many grams of precipitate will form a

59. ## physics

The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. at what rate does mechanical energy turn into

60. ## Algebra 1

So I attempted this and I'm not sure if it's the correct answer - and I don't know how to graph it.. Student tickets to the Homecoming game cost \$5 each. General admission tickets cost \$8 each. So far, 150 tickets have been sold. \$900 has been collected.

How can you show without multiplying that 4/9 is greater than 0.4?

62. ## Criminal Justice

Which of the following has not been implicated in the production of criminal violence? 1. Coffee 2. Salt 3. MSG 4. Processed Foods I believe MSG but I am not sure. Is there any links out there that can help to conform my theory?

63. ## health care

how would you ensure the mentally ill are placed in appropriate facility?

64. ## History

Who was elected President of the Continental congress? George Washington John Rutledge Thomas Lynch Henry Middleton I think it was Henry Middleton

65. ## Math

Find the LCD of 3/5 and 1/6. 5 6 11 30 I believe it is 30

66. ## Math

Simplify 2 +(5x4+3). I believe the answer is 25

67. ## Chemistry I NEED HELP! PLEASE

How many moles of Hydrochloric acid are needed to dissolve 39.0 grams of aluminum Hydroxide? I just need to write out the equation but I was out and don't know how PLEASE HELP!

68. ## physics 2

sorry here is actual question: A 285-kg stunt boat is driven on the surface of a lake at a constant speed of 13.5 m/s toward a ramp, which is angled at 28.5° above the horizontal. The coefficient of friction between the boat bottom and the ramp's surface

69. ## ALGEBRA 117

1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C= 3,000/300-3x. Please note: x is in percent, not decimal form. a. What is the cost to remove 75% of the pollutant? b. What is the cost to remove 90% of the pollutant? c.

70. ## Writing

I am trying to find out what are parameters of persuasive writing. I tried to goggle it and all I got was links to essays that people wrote. I do not want essays, I want parameters. Please help point me in the write direction.

71. ## Logic

Having problems with solving this question. The directions are: Use the 18 rules of inference, supply a proof. 1.(RvX)>(A>B) 2.~Q>~C 3.~C>Z 4.R.Y 5.QvA The conclusion I'm supposed to arrive at is /ZvB

72. ## physics

The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. speed of boat when leaves ramp (assume that engine

73. ## ALG/TRIG

Lost is an understatement..please help me understand this. Orbits and Distance Johannes Kepler (1571–1630)discovered a relationship between a planet’s distance D from the sun and the time T it takes to orbit the sun. This formula is , where T is in

74. ## ALGEBRA 117

2. Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are \$1,400 for setup costs and \$4.00 to administer each test. a. Write an expression that gives the total cost to test x

75. ## Math 115

I have 15-14/(4)(4)-16 and it says to perform the indicated doperation. I come up with 1/0 so that would be undefined correct?

76. ## math

multiply (simplified fraction) -8/3*(7/1)

77. ## math 115

I have a world population of 1591000000 in 1950 and a population of 4028000000 in 2000. I need to know the percent of increase. First I subtract 1591 from 4028= 2,437,000,000 and then I divide that by 1,591,000,000, which equals 1.53174104336. Where do I

78. ## Algebra

[y + 4] less than 1 -5 less than y less than -3 -3 less than y less than 5***** -4 less than y less than 1 1 less than y less than 4 Please help me

79. ## math

In a particular​ year, a total of 44,456 students studied in two of the most popular host countries when traveling abroad. If 8368 more students studied in the most popular host country than in the second most popular host​ country, find how many

80. ## Chemistry

Typically, there is a scale provided for weighing the nails. For example, a notice placed above the nail bin might read, “For the nails in the bin below, there are 500 nails per kg.” Using this conversion factor, perform the following calculations. How

81. ## Marh

For the nails in the bin below, there are 500 nails per kg.” Using this conversion factor, perform the following calculations. How many nails would you have if you had 0.15 kg?

Discuss in specific terms your understanding of ethical business strategies, corporate social responsibility, and environmental responsibility at Best Buy?

83. ## econ

There are so many industries having websites for retail. However, not every industry is successful in online retail. In your opinion, what are the common characteristics of industry which can sell products successfully in online retail? Please provide at

84. ## geography

where does the Jordan River originate???

85. ## algebra

How do I solve for x on both sides of the equation, i.e. 72x+48=42x-12? Is there a standard way of figuring this out?

86. ## Criminal Justice

Where can I find information on: Who are the advocates who emphasize individual responsibility and hold offenders responsible for their actions? Who are the advocates who emphasize rights over punishment? I have read all my course work and material and

87. ## algebra

Find the slope of the line that passes through (-2,-3) and (1,1) 1/3 1 2***** 4/3 For the equation -4y=8x what is the constant variation? -4 -2**** 1 2 Please check my answers

88. ## Algebra

Graph an inequality to represent your profit margin. 9.50 30 = 585.00 I am not sure what to do to show this. please explain

89. ## Algebra

The formula p = nc - e gives the profit p when a number of items n are each sold at a cost c and expenses e are subtracted. If p = 3750, n = 3000 and e = 900, what is the value of c?

90. ## Physics

Considering a mass-spring system aligned horizontally moving at a velocity v. a) How will the velocity of the mass change if amplitude is doubled. b) How will the velocity of the mass change if the spring constant is quartered? I know the answer to the

91. ## Math

2/3= 12/x x=18 x=12 x=36 x=8 I think the answer is 36

92. ## math

solve 2x3 -+4r2 if r=1 and s=5 is it 25x25x25=15625 42x42= 1764 15625-1764=13861 I think I got it

93. ## math

simplify the expression (-3)4 81 -81 -12 12 I think it is -12

94. ## math

Which of these numbers is irrational? check mark sign 3 0.25 1/5 check mark sign 9 I think it is the first one

95. ## math

what is the difference between [-3] and -3? I thing [-3]is double?

96. ## algebraid expression

9 * (7 - 4)^2 +9 I think it is 9 *(3) ^2 +9 9 x 9 + 9 =81 I hope I got this right. I am trying

97. ## math

-6z=12 I think it is z=12

98. ## math

explain how to solve 82 +9(12 divided 3.2) -7 I thing 8x2=16 + 9=25 12 divided 3 x 2 -7 =1 25 + 1 =26

99. ## math

What is solution 5q =-75? I think it is -15