# Questions Asked onNovember 4, 2018

1. ## math

Lisa, Bree,and Caleb are meeting at an amusement park. They each enter at a different gate. Explain how the friends could calculate the point that is equidistant from all three gates.

2. ## math 100

When you take the Scholastic Assessment Test (SAT), your score is recorded as a percentile score. If you scored in the 92nd percentile, it means that you scored better than approximately 92% of those who took the test. If Lisa's score was 85 and that score

3. ## Physics

a uniform metre rule pivoted at R, the 70cm mark. Two forces 0.1 N and 0.4 N are applied at Q, the 60cm mark and S, the 85cm mark. If the metre rule us kept in equilibrium, by the forces, calculate the weight of the metre rule.

4. ## linear algebra

Let A be the matrix below and define a transformation T:ℝ3→ℝ3 by T(U) = AU. For the vector B below, find a vector U such that T maps U to B, if possible. Otherwise state that there is no such U. A = +3+3 −6 +1+3 −8 −3 0 −2 B = +6 0 −9 Not

5. ## Chemistry

If air contains 78%N2 by volume ,what is the solubility of nitrogen in water at 25°©?

6. ## Math

How long will it take a passenger train traveling at 160 miles per hour to travel from Denver, Colorado to Lincoln,Nebraska? The distance between the two cities is 488 miles

7. ## Social Studies

Question 1: The western Roman empire finally collapsed due to A. attacks by the Persian B. civil wars between army commanders C. attacks by Germanic tribes D. conquest by the eastern empire Question 2: What conditions most directly resulted from the

8. ## Math

Kenny is 5 yearsolderthan Greg. In 5 years, Kenny will be twice as old as Greg is now.How old is Kenny now?

9. ## math

0.41666666666 as a fraction

asked by family girl 168 XD
10. ## algebra

a triangle has 3 sides. 1st side is (5x+3y)°, 2nd side is (3x+20)° and 3rd side is (10y+30)°. what is the value of x and y?

11. ## Math Help me.

Reduce the rational expression to lowest terms. If it is already in lowest terms, enter the expression in the answer box. Also, specify any restrictions on the variable. 25x^2−30x+8/25x^2−16

12. ## Math

The ratio of the perimeter of triangle PQR to the perimeter of rectangle ABCD is 5 : 9. All in centimeters Triangle (sides) PQ: (x-3) PR: (3x-5) QR: (4x+3) Rectangle (sides) AB: (2x+2) BC: (4x - 1/2) [AB is longer than BC] a. Write algebraic expressions

13. ## math

the half life of thorium -229 is 7340 years. how long will it take for sample of this substance to decay to 20% of its original amount

14. ## math

Points B, D, and F are midpoints of the sides of the triangle ACE. EC =39 and DF = 16. Find AC.

15. ## Math

Time for running the Boston Marathon is 2.12 hours at an average speed of 12.5 miles per hour. What distance does the Boston Marathon approximately cover?

16. ## math 100

Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score Frequency 90 1 80 4 70 7 60 6 50 3

17. ## math 100

Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score Frequency 90 2 80 5 70 9 60 6 50 4 40 1 30 2 0 5

18. ## English

What grammatical name is given to the expression whose cake is the best

19. ## physics

1000 cm3 of air at 20 temperature and 101.35 kpa is heated at constant pressure until its volume doubles. a, use the ideal gas equation to calculate the final temperature of the gas. b, calculate work done by the gas as it expands.

20. ## Grammar help

I need help wording a sentence. I don't know what to put in the blank to make it a good sentence and make sure it doesn't change the sentence too much. What should I put there to make it a complete sentence? "As time went on __________ Lieta being

21. ## math

a marine biologist wants to know the vertical distance a dolphin traveled during a jump.with the surface f the water being zero , it started under water at -35 feet, jumped up and out of the water to 27 feet. and returned to the water at -18 feel. what is

22. ## Language Arts

Is this answer good enough? Mr. Peters learns to be satisfied with his life and decides not to use his third and final wish. Did Mr. Peters make the right decision to help him resolve his internal conflict? Compose an argument that is at least one

23. ## Maths

A piece of meat weighs 1 2/5 kg. What is the weight of these quarter of the meat?

24. ## Math

Reduce the rational expression to lowest terms. 250y+100xy+10x^2y/125y−5x^2y

25. ## physics

A 40.2-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.82 m/s. Her hands are in contact with the wall for 1.16 s. Ignore friction and wind resistance. Find the average force

26. ## Math

Choose the equation you can use to solve the following problem each cupcake cost \$4.00. How many cupcakes,x, are puchased if the total cost is \$36.00 A 4+x=36 B 36-X=4*** C 4X=16 D X/4=36

27. ## English

Lesson 1: Introducing the Big Question Unit 3: Facts and Visions ________________________________ Thematic Vocabulary argument: n. a disagreement, often involving anger; other forms: argue, arguing, argumentative compromise: n. a solution in which people

28. ## Math

Reduce the rational expression to lowest terms. If it is already in lowest terms, enter the expression in the answer box. Also, specify any restrictions on the variable. 6a^4+162a^3a^4−9a^3+27a^2

29. ## Physics

The oscillation of a single pendulum is 2.05s. What is the period of another simple pendulum which makes 300 vibration in the time it takes the first pendulum to make 200 vibrations?

30. ## Social Studies

What conditions most directly resulted from the Imperial Crisis? Select all that apply. A. adoption of Christianity as official religion B. devaluation of money and high inflation C. increase in taxes and greater disparity D. ongoing civil wars E.

31. ## math

Find the coordinates of the orthocenter of triangle ABC with vertices A(0,0), B(4,0), and C(4,2) a. (4,0) b. (2,1) **** c. (4,2) d. (2,0)

32. ## Physics

The steam point and the ice point of a mercury thermometer are wrongly marked as 92 and 2 resp. The correct temperature read by this thermometer is

33. ## Science

A truck of mass 1200kg is parked at the top of a hill, 150m high. The truck driver lets the truck run freely down the hill to the bottom. A) What is the maximum velocity that the truck can achieve at the bottom of the hill?

34. ## ryancon

The half-life of rubidium-87 (natural absorbance 27.83%) is 5.1x10^11 years. What mass of rubidium is present if an average sample decay rate of 35.0 disint./sec is detected? I've already converted years to seconds but not sure what to do after..

35. ## probablity

Let Θ1, Θ2, W1, and W2 be independent standard normal random variables. We obtain two observations, X1=Θ1+W1,X2=Θ1+Θ2+W2. Find the MAP estimate θ^(theta hat)=(θ^1,θ^2) of (Θ1,Θ2) if we observe that X1=1, X2=3. 1.θ^1 (theta hat)=? 2.θ^2(theta

36. ## Civic education

Four ways in which leaders can protect the interest of their followers

37. ## Math

The first four term of a different sequence are given below 4 . 10 . 18.28 Q. The nth term of sequence is n(n+p) where p is integer . Find the value of p .

38. ## Human Development

During the sensorimotor stage of development, infants take information from new experiences and integrate it with the already existing information. This process is called A. intelligence. B. accommodation. C. attachment. D. object permanence. my answer is

39. ## Science

Elements are arranged in terms of increasing __________ in the periodic table.

40. ## Developmental Risks and Neurological Function

The most likely cause of mental and social deficits seen in children prenatally exposed to cocaine is A. impoverished or chaotic home environment in early childhood. B. the effect of the cocaine on the developing fetus. C. polydrug use. D. maternal

41. ## physics

two buses leave a bus station and travel in opposite directions from that same starting point. if the speed of the other is twice the speed of the other and they are 240km apart at the end of one hour, what is the speed of each bus?

42. ## math

How to find the number of anti-symmetric relations?

43. ## Physics

A stone whirled at the end of a rope 25cm long make 5 complete revolution in 3 seconds. Find the angular velocity.

44. ## FRENCH

WRITE AN ESSAY ON "MA MERE"

45. ## science

Design an experiment to verify that new substances are formed and heat is released or absorbed during a chemical reaction. i dont know what experiment to do and im stuck please help :(

46. ## PHYSICS

Detrmine the resultant force if two force a and b act an cobject f a is85n atangle of20degre to the horzontal a f b is 125at anle of 60 degree solve the resultant force ?5kb363d

47. ## social studies

Which of these were holy Hindu scriptures written by gurus to help connect people to heavenly forces?

48. ## chemistry

If not all the alum dissolves in the water before adding the Ba(NO3)2 solution, what effect will this have on the sulfate percent error determination?

49. ## Physics

A man using 80kg garden tractor on a level surface exert a force of 50N at 65^0 to the ground. Find the vertical force of the garden tractor on the ground

50. ## Physics

Determine the indicator horse power and piston displacement of a machine of the piston area 100m^2 given the piston stroke to be 600cm and indicating mean pressure to be 500kg/m^2. The number of piston stroke per minute is 4

51. ## math

How many factors does 5^3 x 7^4 have?

52. ## Maths

The height above ground level in metres of a missile launch vertically, is given by h(t)=-16t³+100t at what time is the missile 72m above?

53. ## math

Use Euclid’s algorithm and backwards substitution to determine the multiplicative inverse of 27 in Z40 . I've worked out; 40 = 1*27 + 13 27 = 2*13 + 1 Then rearranged to make the remainders the subject. 1 = 27-2*13 1 = 2(40-1*27) Bit confused where to go

54. ## calculus

Use define integrals to calculate the area under the graph of y=tanx between x=a to x=b. (hint: write tangent in the form of sinx/cosx) How would you do this?

55. ## civic education

list of the local civic problem

56. ## math

How many factors does 5^3 x 7^4 have? plzz answer asap

57. ## math

How many militers each of a 40% solution and a 10% solution are needed to make 200ml of a 20% solution?

58. ## Chemistry

6g of metal M react with 23.66g of chlorine to form 29.66g of the metalic chloride. Find the empirical formula of the metalic chloride(M=27, Cl=35.5)

59. ## Civic education

Mention and explain five things leaders can do to protect of their followers

60. ## science

who discovered the optimal angle to launch projectile

61. ## language arts

What are some facts about Jem and Scout in to kill a mockingbird book?

62. ## calculus

1.find the distance between the points (-1,2) and (3,4).express your answer in simplest radical form. 3.a circle with center C(4,-2) passes through the point A(1,3).does the point B(8,-2) lie inside the circle?prove your answer.

63. ## Civic

5things dat leaders can do to protect the interest of their followers

64. ## Social Studies

Question 1: The western Roman empire finally collapsed due to A. attacks by the Persian B. civil wars between army commanders C. attacks by Germanic tribes D. conquest by the eastern empire Question 2: What conditions most directly resulted from the

65. ## Math HELP

Choose the equation you can use to solve the following problem each cupcake cost \$4.00. How many cupcakes,x, are puchased if the total cost is \$36.00 A 4+x=36 B 36-X=4*** C 4X=16 D X/4=36 PLEASE HELP ME

66. ## S.S

Can somebody please help me with a short essay on the Mexican-American War? I'm not finding any information.

67. ## maths

The scale of the map is 1.20000 the road is 28 km apart from town to town how far apart will it be in on the map in cm

68. ## Statistics and Probability

Alice has two coins. The probability of Heads for the first coin is 1/4, and the probability of Heads for the second is 3/4. Other than this difference, the coins are indistinguishable. Alice chooses one of the coins at random and sends it to Bob. The

69. ## Science -Physics

if you were to aim right at the bulls-eye, the arrow would fall under gravity and drop below the intended target. If you intend to hit a bulls-eye it is necessary that you aim slightly above it. Suppose the arrow speed is the same (70 m/s) and the target

70. ## LA

The title "Two Kinds" refers to the statement by the mother that there are only two kinds of daughters: "Those who are obedient and those who follow their own mind!" At the end of "Two Kinds," Jing-mei puts the title in a different light when she realizes

A farmer planned to plant 120 seeds in all. After planting 10 more seeds each day than was planned, she was able to finish 2 days earlier. How many seeds were planted each day?

72. ## Social Studies

How did the Ancient Puebloans adapt to their physical environment? A. They built networks of ditches to irrigate the desert.** B. They cleared forests to make room for farmland. C. They relied on fishing and hunting for food. D. They built mounds to

73. ## Chemistry

The reaction of gaseous H2 and liquid Br2 to give gaseous HBr has ΔH = -17.4 kcal/mol (-72.8 kJ/mol) and ΔS = 27.2 (cal/mol⋅K) (114 J/(mol⋅K)). What is the value of ΔG (in kcal and kJ) for the reaction at 297 K ?

74. ## Social Studies

Which of the following is a main difference between the cultures of the Ancestral Puebloans and the Mississippians? A. The Ancestral Puebloans were known for building stone homes while the Mississippians were known for building mounds.*** B. The Ancestral

75. ## Newspaper

The format newspaper are they single or double space?

76. ## science

What does ballast mean

77. ## Social Studies

Which of the following are the leading theories that describe how people first arrived in North America? A. People may have walked over a land bridge from Asia. B. People may have traveled over by boat along the Pacific Coast. C. People may have sailed

78. ## Developmental Risks and Neurological Function

Of the following, the most common cause of failure to thrive is A. natural. B. nonorganic. C. unnatural. D. organic. my answer is b.

79. ## Social Studies

A wheat farmer is most likely to live in "the americas great plains and Alberta".

80. ## Social Studies

1. like the United States, Canada's government has a_____ structure, splitting power between the national and regional (or provincial) governments. ''federal" 2. In Canada and the United States, income distribution is "spread unequally in Canada and

81. ## math 100

The mean defined in the text is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the geometric mean (G.M.), is used in business and economics for finding average rates of change,

82. ## Math

5,762 to the nearest thousand

83. ## Math

Reduce the rational expression to lowest terms. If it is already in lowest terms, enter the expression in the answer box. Also, specify any restrictions on the variable. 6a^4+162a/3a^4−9a^3+27a^2 6a^4+162a/3a^4-9a^3+27a^2 6a^3*a+6*27a/3a^4-9a^3+27a^2