# lost

Popular questions and responses by lost
1. ## 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

2. ## 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

3. ## 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

4. ## 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

5. ## math

0 of 1 Tosha is trying to find the solution(s) to the system {f(x)=x3−3x2+2g(x)=−x2+x. After analyzing the graph of the functions, Tosha comes up with the following list of ordered pairs as possible solutions: (−1,−2), (0,0), (1,0), and (2,−2).

6. ## 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

7. ## 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

8. ## 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

9. ## 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

10. ## Language Arts

While delivering a speech about school participation, the principal used this inspirational quote . . . “Working as a team, with enthusiasm and a positive outlook, will lead to the achievement of great outcomes.” Which is the best revision of this

11. ## spanish

Mis primos _[blank 1]_ muy traviesos de niños y siempre se portaban mal cada vez que _[blank 2]_ que mi tía se _[blank 3]_ de casa. Empareja los espacios en blanco con las palabras correctas eran iban iba era veía

12. ## 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

13. ## Language Arts

The United States features three co-equal branches of government. The house of representatives and the senate oversee the legislative branch. The president of the United States oversees the executive branch. And the judicial branch is overseen by the court

14. ## Language Arts

It is the result of an emotional hangover and a temporary moral lapse which follows every war. It is the apathy to evil which people who have been subjected to the tremendous evils of war feel. As the people of the world see mass murder, the destruction of

15. ## spanish

La señora Ramírez se estresaba cuando _[blank 1]_ que sus hijos no _[blank 2]_ a tener éxito. Dijo a su hija Natalia: Empareja los espacios en blanco con las palabras correctas. eran iba veía eras iban ibas

16. ## 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

17. ## 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

18. ## math

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

19. ## Math

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

20. ## Math

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

21. ## Language Arts

A storm blew up at the beach just after we had unpacked all the stuff we brought, paddleboards, buckets, umbrella, food boxes, and sunscreen. We tried to grab all our gear before the storm hit; nevertheless, most of our food got soaked. Regretfully, I

22. ## Spanish

Lee lo siguiente. _[blank 1]_ los años clave de sus vidas. Los dos tenían una buena profesión. _[blank 2]_ a casarse. Rodolfo _[blank 3]_ a alcanzar sus metas. _[blank 4]_ el momento perfecto de comprarse una casa. Empareja los espacios en blanco con

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.

24. ## 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

25. ## 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

26. ## 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

27. ## 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

28. ## 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

29. ## Math

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

30. ## 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

31. ## Math

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

32. ## 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

33. ## 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?

34. ## 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

35. ## Language Arts

And now the boy is turning to me: “Tell me,” he asks. “What have you done with my future? What have you done with your life?” And I tell him that I have tried. That I have tried to keep memory alive, that I have tried to fight those who would

36. ## Language Arts

Alex was surprised by Sholeh’s visit. He was happy, though. They had a great conversation. Which sentence correctly combines these three sentences? Alex was surprised by Sholeh’s visit; but he was happy, they had a great conversation. Alex was

37. ## spanish

Empareja las frases de la derecha que se relacionan lógicamente con las palabras o frases de la izquierda. tener novio/a tener éxito llegar a tiempo vivir por su cuenta

38. ## algebra

How is the graph of g(x)= -(2x)^3 related to the graph pf f(x) = x^3 answer: I don't understand the answer..thank you the graph of g(x) is a horizontal compression of the graph of f(x) by a factor of 1/2 and a reflection across the x axis.

39. ## Social Studies

What Native American people most likely lived in this settlement? How do you know? Describe characteristics unique to their culture, including how they adapted to their environment.

40. ## geometry

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

41. ## 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

42. ## 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

43. ## 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

44. ## 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

45. ## Science

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

46. ## 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,

47. ## 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

48. ## 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

49. ## 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

50. ## 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

51. ## 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

52. ## 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?

53. ## 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

54. ## 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

55. ## 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.

56. ## 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

57. ## algebra

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

58. ## 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

59. ## Math

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

60. ## History

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

61. ## 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

62. ## math

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

63. ## math

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

64. ## 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

65. ## Math

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

66. ## math

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

67. ## 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

68. ## math

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

69. ## 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

70. ## math

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

71. ## math

What symbol is needed between -2 and [-3] to make a true statement>

72. ## math

What is the solution to 40 +-11? I think it is 51

73. ## Math

What is the value of -27-8? I think it is -19

74. ## Math

The opposite of -4 is? I believe it is 4.

75. ## fire

Two line of same flow with different lengths, no elevation find: a. Total friction loss for line A b. Total friction loss for line B c. PDP (pump discharge pressure) for line A d. PDP for line B Layout: Line A=150' of 3" 300gpm combination nozzle Line B=

76. ## 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)

77. ## 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)

78. ## 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)

79. ## 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?

80. ## Math

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

81. ## 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.

82. ## quantitative chemistry

How do you write an expression for the mass of the residue in terms of x and y?

83. ## quantitative chemistry

How do you write an expression for the mass of the residue in terms of x and y?

84. ## quantitative chemistry

How do you write an expression for the mass of the residue in terms of x and y?

Euromart Tile Company borrowed \$40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of \$15,000, and on day 45 of the loan, Euromart made a second partial payment of

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

87. ## 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

88. ## 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!

89. ## 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

90. ## 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

91. ## 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

92. ## 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?

93. ## 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

94. ## 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

95. ## 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

96. ## 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

97. ## 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

98. ## 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?

99. ## 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