# Questions Asked onOctober 14, 2016

1. ## wORLD HISTORY

What is one reason that the Middle Ages are sometimes referred to as the "dark ages? for the fertile soil that supported agriculture *for the persecution suffered by certain Christian groups, as well as Jews and Muslims for the political disorder that

Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1: Does Asha's nation have a limited or an unlimited

1. A surplus is _____. (1 point) when you spend more than you have in income when you spend less than you have in income when you spend the same amount that you have in income another word for income 2. Suppose that your net income for the month is \$2500,

4. ## Math (just need some help)

A jet ski company charges a flat fee of \$24.00 plus \$2.25 per hour to rent a jet ski. Another company charges a fee of \$23.00 plus \$2.50 per hour to rent the same jet ski. Using a graphing calculator, find the number of hours for which the costs are the

5. ## SS

how did the Aztec become so powerful

6. ## Language Arts

"I am a citizen of the world" is a key line in the story "When Greek Meets Greek." What does this line mean to you? Explain how this line fits the events of this story or another selection in this unit. Include details to support your explanation. Can you

7. ## Math

What makes the statement true? 7^-2=? A- 49 B- 1/49*** C- 14 D- 1/14 Am I correct?

8. ## Spanish

Who initially brought Spanish to the new world? A) Roman soldiers B) The people of Hispania C) Spanish explorers and settlers**

9. ## Statistics

A college statistics class conducted a survey of how students spend their money. They asked 25 students to estimate how much money they typically spend each week on fast food. They determined that the mean amount spent on fast food is \$31.52 with a

10. ## physics

Two boxes are connected by a weightless cord running over a very light frictionless pulley as shown in the figure. Box A, of mass 8.0 kg, is initially at rest on the top of the table. The coefficient of kinetic friction between box A and the table is 0.10.

11. ## History

How does the federal court system decide which criminal cases to take? A) they take cases that have already seen state courts B) a grand jury decides if each case has merit •• C) they take cases that are being appealed D) a Supreme Court justice

12. ## Algebra

Solve the system by elimination -2x + 2y + 3z = 0 -2x - y + z = -3 2x + 3y + 3z = 5

13. ## Algebra

1. Use the Distributive Property to simplify the expression. (-1) (4-c) 2. Use the Distributive Property to simplify the expression. 4 (2 x - 4) 3. Use the Distributive Property to simplify the expression (10+4y) 1/2 4. To which subsets of real numbers

14. ## Statistics

Suppose that 40 students take a quiz and everyone in the class scores an 80. The standard deviation of scores for this quiz is: 80 2 0

15. ## physics

Starting from rest, a 93-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 710 N, and his speed at the bottom of the pole is 3.2 m/s. How far did he slide down the pole? What equation do you

16. ## Math

Define a variable and write and inequality for the statement: In order to earn credit for your Alegebra 1A course, you must earn at least a 70%. I'm not really sure how to answer this if someone can please help me step by step to figure this out. Thank You

Which of the following is a convention that Chinese artists used in paintings? They sketched pencil outlines and then painted over them with black ink. They used one type of brushstroke to give their paintings unity and balance. They painted humans much

18. ## HISTORY I got limited time

ESSAY: Compare the ways that herodotus and thucydides approached the writing of history.

19. ## Geometry

If XZ=50, what are XY and YZ XY=a YZ=a+8 Can someone help me ASAP..IM SO CONFUSED

20. ## Social Studies

I need information on the... Mexican government during the time of the Mexican-American war I also need information on the American Settlers during that same time (Mexican-American war)

21. ## Social studies

What is a definition of citizenship? -having been born in a country -being a full and equal member of a nation -having pledged to respect and support a governments's values****** -fulfilling all the responsibilities and having all the rights of living in a

22. ## Math

The scale on a map of Canada is 1: 8000000. The distance from Prince George, B.C., to Fredericton, N.B., is 5320 km. What is the distance between these 2 places on this map?

23. ## English

Which one is correct? did you go to the class yesterday? OR did you went to the class yesterday?

24. ## geometry

sketch LM on paper. Construct a line segment to LM. Then construct the perpendicular bisector of a line segment

25. ## Physics

A crate of mass 100kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is 0.4, and the coefficient of kinetic friction is 0.3. A horizontal force, F, or magnitude 350N is applied to the crate. Which of

26. ## physics

"Rocket Man" has a propulsion unit strapped to his back. He starts from rest on the ground, fires the unit, and accelerates straight upward. At a height of 16 m, his speed is 5.5 m/s. His mass, including the propulsion unit, has the approximately constant

27. ## Math

the towns highway department marks a new road with reflective markers the road is 6 3/4 miles in length the markers are spaced every length 1/8 of a mile. What is an expression that can be used

28. ## Statistics

A science teacher gives a test with 15 questions. This teacher is a hard grader. The teacher assigns points in the following manner: a correct answer = +1 point, an incorrect answer = -1 point, no answer = 0 points. So scores on the test could range from

29. ## Social Studies

why do united states citizens have civic responsibilitys

30. ## Physics, ray optics

An astronomical telescope of magnifying power 7, consist of two thin lenses 40 cm apart in normal adjustment. Find the focal length of the lenses.

31. ## Algebra

A plane can fly 500 miles against the wind in the same amount of time that it can fly 775 miles with the wind. If the wind speed is 55mph, find the speed of the plane in still air.

32. ## Algebra

Solve the system by substitution -x - y - z = -8 -4x + 4y + 5z = 7 2x + 2z =4

33. ## AMDM1

The amount of paint a painter needs is directly proportional to the area of the object he is painting. If a painter needs g gallons of paint for every s square feet that he paints, what is the total amount of paint that he needs to paint a house in terms

34. ## Physics

Block B has a mass of 4.50kg and is moving to the left at a speed of 4.50m/s. Block A has a mass of 6.50kg and is moving to the right. The two blocks undergo a perfectly inelastic collision. What should the velocity of the Block A be in order to have the

35. ## Math

What is the of product of multiplication 8x25x23 using subtraction

36. ## physics

The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 89.2-kg person straight up by means of a cable. The person has an

37. ## math

A girl stands on the edge of her dorm roof and throws a ball into the air. The​ ball's height above the ground after t seconds is given by h equals negative 16 t squared plus 64 t plus 80h=−16t2+64t+80. When will the ball hit the​ ground?

38. ## Math

The denominator of a fraction is 2, more than twice the numerator. If 7 is added to both the numerator and the denominator the new fraction would be equivalent to 2/3. Determine fhe original fraction.

39. ## Physics

A bowling ball rolls off the edge of a giant' table at 18 m/s. If it takes 6 s for the ball to hit the ground. A) How far does it land from the base of the table? B) how far does it fall?

40. ## Physics

Starting from rest, a 1.7x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.45 N on it. This force does 1.9x10-4 J of work on the flea. (a) What is the flea's speed when it

41. ## general chemistry

2C6H6(l)+15O2(g)-> 12CO2(g)+6H20(l)+6542 kj If 6.200 g of C6H6 is burned and the heat produced from the burning is added to 5691 g of water at 21 °C, what is the final temperature of the water?

42. ## math

"solve each problem and write your answers in scientific notation." 1. (6.0•10^5) •(3.0•10^4) 2.(5•10^-2)/(2•10^3) 3.(2.56•10^6)•(3.56•10^2) 4. "In a recent year , the population was about 2.52•10^7 people. Its land area is about

43. ## Social Studies

how was the southern region arranged?

44. ## History

How does sectionalism effect the economics and politics in the US today?

45. ## physics

The wavelength of first line of balmer series in hydrogen spectrum is 6563 A. Find the wavelength of first line of lyman series in the same spectrum.

46. ## physics

What is the minimum work in joules needed to push a 1210 kg car 54.0 m up a 12.5 degree incline? (Ignore friction.)

47. ## math

place brackets in the following statement to make it true 20-6x2+1=2

48. ## physics

A spring whose spring constant is 450 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.500 kg ball when released?

49. ## social studies

why do most people live in the western oart of columbia

50. ## Cost Accounting

You have been appointed as the costing manager of a large health club having a membership of around 2000–2500 members. The club provides personal trainers for its members on request as an add-on facility. The club pays a small salary to the hired

51. ## Math

Jared bought a cell phone for \$42. Juanita spent 1 1/2 times as much. How much did she spend? Thank you very much!

52. ## Math

The towns highway department marks a new road with reflective markers. The road is 6 3/4 miles in length. The markers ar expanded every eighth 1/8 mile of a mile. A. What is a division problem to find how many markers ar installed B. Solve the problem C.

53. ## Chemistry

Two substances, gold and granite, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of gold is 20.2 g and its initial temperature is 58.2 ∘C. The mass of granite is 29.1 g and its initial temperature is 20.1

54. ## Physics

A thin convex lens produce a real image on an a screen . if an object of height 36mm is placed 2000mm from the screen ,an image of height 684mm will be produced .determine A) the distance of the object from the lens B) the focal length of the lens

55. ## math

There are 5 rock songs, 6 country songs, and 3 hip-hop songs. How many different albums can be formed using the songs if the album should contain at least 1 rock song and 1 country song? My solution: 14C5x14C6x14C3-5C1x6C1 Is this correct? Thanks in

56. ## Math

In Buffalo, New York, the temperature was 14°F in the morning. If the temperature increased 8°F, what is the temperature now?

57. ## Math

You are supposed to come up with an equation to solve this problem. I have figured out how to do it, just not what the equation is supposed to look like. Anyways, here is the word problem. The taxi fare in Gotham City is \$2.40 for the first .5 miles, and

58. ## Physics

the mass of an empty density bottle is 4og and 5og when filled with liquid x.calculate the density of liquid x when dem

59. ## Chemistry

In order to determine the concentration of a solution of Carbonic Acid (H2CO3), a sample was placed in a buret and titrated with 0.1132 M Sodium hydroxide. For the carbonic acid, the initial reading was 11.0ml and final reading was 31.0 ml. For sodium

60. ## Social studies 7

Homework Help: SS Help Posted by I like Cats on Thursday, October 6, 2016 at 12:47pm. 1. The U.S. Constitution calls for how many branches of government? A. two B. three •• C. Four D. Five 2. Which of the following responsibilities are held by the

61. ## Geometric progression

If the fifth term of a G.P. Is 81 and second term is 24, find the g.p. Sir this question answer 16,24,36,54 please help

62. ## Physics

A cyclist whose mass is 48 kg turns a corner with a radius of 30 m at a speed of 25 m/s. A) What is the magnitude of the cyclist's acceleration? B) what is the magnitude of the force action on the cyclist?

63. ## Physics

A projectile is launched horizontally from a cliff and has initial speed 30 m/s. The projectile will hit the ground 10 s later. What is the horizontal component of the projectile's velocity 5.0 s after launch. Assume air resistance is negligible.

64. ## Physics

Al the astronaut has a weight of 1600 N when he is standing on the surface of earth. What is the force of gravity action on him when he is in space station orbiting earth at a distance of four earth radii from the center of the earth?

65. ## Science

Mom:Circke face Dad: Oval face Son: ? what's the son genotype & phenotype? may someone give me an example and help me under this question, please.

66. ## Maths

Write any 4 solutions. 1.x+4y=6 2.2x-y=4 3.3x+y=5 4.2x=y 5.x=5y 6.3x-7y=14

67. ## TURNER

SUPPOSE PAYMENT WHERE MADE AT THE END OF EACH MONTH INTO AN ORDINARY ANNUNITY INTEREST AT THE RATE OF 4.5%/YEAR COMPOUNDED MONTHLY. IF THE FUTURE VALUE OF THE ANNUNITY AFTER 13 YEARS IS \$65,000 WHAT WAS THE SIZE OF EACH PAYMENT

68. ## Algebra

A Theatrical Play On the first night of the school play, the Drama Club sells 44 student tickets and 55 adult tickets and they take in a total of \$416.02. On the second night, they sell 75 student tickets and 37 adult tickets and take in a total of

69. ## Math (just need some help)

Solve the system using an augmented matrix. -x-3y=-17 2x-6y=-26 Can someone please explain what I am supposed to do in this problem?

70. ## Social studies connexus

in what way did soviet rule fail to live up to communist theory

71. ## Math 1105

- The heights of a ball (in feet) thrown with an initial velocity of 90 feet per second from an initial velocity of 90 feet per second from an initial height of 4 feet is given as a function of time t(in seconds)by s(t)= -16t^2+90t+4

72. ## Physics

Angela and Paul are opposite ends of the 4.0 m long bar. Paul, whose mass is 78 kg feels attraction to Angela, whose mass is 55 kg. A: If the attraction is gravitational, how strong, in Newtons, is it? B: What are their individual weights?

73. ## science(chem 11)

did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the %

74. ## Math

If recipe calls for 3 parts of flour to sugar . what would the raito be if you doubled thr recipe.

75. ## chemistry

Element x Isotope 55x 60% Isotope 56x 30% Isotope. 57x 10% 55× 60 =3300 56×30=1650 57× 10= 570 Add them up5520 divide by 100 the atomic weight of x is 55.2 Pls check if this is correct , answer and method

76. ## Physics

A rock is thrown off a cliff with a vertical speed of 53 m/s upward and a horizontal speed of 30 m/s. A) what will these speeds Vx and Vy, be 4 seconds later? B) what will be the x and y displacements of the rock be 4 seconds later?

77. ## Physics

Multiple Choice. If all of the forces acting on an object an object are balanced (net force is zero), then: a. The object's speed will decrease b. The object's direction of motion can change, but its speed cannot C. The object is ecperiencing zero

78. ## math

give a counterexample for the following conditional statement. If you live in West Virginia, then you live in Charleston.

79. ## chemistry

75.0 mL of a 1.50 M solution is diluted to a total volume of 278 mL. A 139-mL portion of that solution is diluted by adding 139 mL of water. What is the final concentration? Assume the volumes are additive.

True or False: If a|b and a|(b + 1), then a = ±1. [NOTE: Use this Theorem 3: If a|b and a|c, then a|(bx+cy) for any integers x and y. PROOF: Since a|b, there is an integer u such that b = au. Since a|c, there is an integer v such that c = av.

81. ## Statistics

suppose that 80% of all 18 year olds play basketball. if a sample size of 4 is taken, find the probability that the sample proportion lies within and including one standard deviation of the population proportion

82. ## Physics

Please show me how to work the following problems. 1) A cyclist whose mass is 48 kg turns a corner with a radius of 30 m at a speed of 25 m/s. A) What is the magnitude of the cyclist's acceleration? B) What is the magnitude of the net force acting on the

83. ## math

A room contains 80 sophomores of which 39 are males and 41 are females. There are also 69 juniors of which 36 are males and 33 are females. You pick 3 students at random. What is the probability that all 3 are males?

84. ## Mechanics

Two blocks with equal masses m1 = m2 3.2 kg are connected via a pulley as shown in the above figure. Take the coefficent of kinetic friction to be 0.3 and the angle of the incline to be 40 degrees. Find the acceleration given that (Note: enter a negative

85. ## Physics

I have a picture of one person pushing a boulder with 60 N and another person pushing from the same side at 90 N. The friction of the boulder is 40 N. The question asks to find the total force on the boulder. Is "total force" just the net force in this

86. ## chemistry 11

i did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the %

87. ## Math

-1/2 + 1/3= A.-1/6 B.-1/3 C.2/3 D.1/6 -3 5/1 + (-6 1/2)= A.-3 2/7 B.-3 7/10 C.-9 2/7 D.-9 7/10 5/8 -(-2/8)= A.-3/8 B.-7/8 C.3/8 D.7/8 -9/10 - 2/5= A.-1 3/10 B.-1 1/10 C.-7/10 D.-5/10 6 3/5-(-2 1/5) A.-8 2/5 B.-4 2/5 C.4 2/5 D.8 2/5 SOMEONE PLEASE HELP

88. ## physics

A 50.4-g golf ball is driven from the tee with an initial speed of 45.7 m/s and rises to a height of 26.9 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.80 m below its

89. ## Math

In Buffalo, New York, the temperature was 14°F in the morning. If the temperature increased 8°F, what is the temperature now?

90. ## math

The second term, the fifth term and eleventh term are in a Gp.if the eleventh term is 4.Find the difference between the sums of each progression

91. ## Work

How do you do a jigsaw puzzle?

There are 5 rock songs, 6 country songs, and 3 hip-hop songs. How many different albums can be formed using the songs if the album should contain at least 1 rock song and 1 country song? My solution: total number of songs is 5!x6!x3! Number of different

93. ## Science-chemistry

How do I calculate the amount of heat will be required to make 100.0kg of a compound, the molar enthalpy is -63kj/mol for the same compound

94. ## Physics

The 500 kg video display will be raised to its position 20 m above the arena floor by a motorized winch powered by a 12 volt battery. If the battery capacity is 100 A-hr and the system is 100% efficient, how many times could the display be lifted into

95. ## Math

I walked 2/7 of a mile in 4/9 of an hour. at this rate, how far will I have traveled after an hour?

96. ## maths

radius is 4.5 cm and height 21 cm is cut into a cone of height 14 cm . find the radius of the smaller cone

97. ## lab chimistry

Why we must mix the compound with MnO4?

98. ## math

60% of the students in a school are boys. 70% of the boys and 40% of the girls wear glasses, how many students are there in the school?

100. ## Foundation of a Healthy Lifestle

Because of the potential effects of chromosomal abnormalities, a child's development begins: A. at conception B. at birth C. when embryo becomes a fetus D. when viability occurs --Is the answer C?

There are 15 available toppings and 5 different pizza sizes in a pizza restaurant. If Maria wants to order a 4-topping pizza, how many different pizzas could she order? My solution: 15C4/5! 4 topping 15C4=1365 Is this correct? Thank you.

102. ## Social Studies

I need help describing the religious, social, and political life of the southern colonies...

103. ## math

place brackets in the following statement to make it true 20 - 6 x 2 + 1 = 2

104. ## APPHYSIC

A bullet is fired straight up from a gun with a muzzle velocity of 235 m/s. Neglecting air resistance, what will be its displacement after 5.7 s? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

105. ## Mechanics

A block of mass m1 hangs vertically and is attached by a string to a block of mass m2 on a frictionless slope inclined at angle theta to the horizontal, as shown above. If m1 = 2.5 kg, it accelerates at -0.108 m/s2. If m1 = 0.8 kg, it accelerates at 2.888

106. ## Maths

Linear equations in two variables Draw a graph 1.x+y=9 2.2x+y=6 3.x-y=4 4.y=4x 5.2x-y=4 6.3x+y=4 7.6x-5y=1 8.3x=y+4 9.x=5y 10.x-5y=7

107. ## Physics

You are in an elevator that is accelerating upwards at 2m/s^2. If your mass is 70kg, what is the normal force pushing on you by the floor of the elevator? A. 70N B. 690N C. 830N Please give the correct answer and an explanation as to why its correct.

108. ## math

one side of a triangle is 4 cm. The sum of the two other sides is 11 and all sides are integers. What is the largest possible side.

109. ## Fractions

Is the answer to 3/9 x 4/8 same as the answer to 4/9 x 3/8? Why or why not? 3/9 x 4/8 = 1/6 4/9 x 3/8 = 12/72 (I multiplied straight across after reducing the fractions as much as they could be reduced)

110. ## Mathematic

Determine the first three terms of the geometric progression of which the 7th term is 192 and te second term is 6

111. ## Math

Solve. Movie tickets cost \$9.50. How much change will a customer who pays for one ticket with a \$20.00 bill received?

112. ## Physics

Why is the joule-second (J*s) equivalent to kg*m^2/s ?

113. ## History

What was the reason of congo war?

114. ## Physics

A rock is thrown off a cliff with a vertical speed of 53 m/s upward and a horizontal speed of 30 m/s. A) what will these speeds Vx and Vy be 4 second later? B) what will be the x and y displacements of the rock be 4 second later?

115. ## science (chemistry)

The % (by weight) of methanol in a mixturevof methanol and ethanol is50%.Therefore,the mole fraction of methanol in the mixture is

116. ## Statistic

Gooogness to fit L1. L2. L3 18. .20. 19.2 12. .10. 9.6 14. .15. 14.4 16. .15. 14.4 21. .20. 19.2 15. .20. 19.2 Tie ti 84 X2=1.95. P=X2cdf(195,E99,5)= .8567 is right But I keep get for p.8560 I'm not understanding where I'm going wrong Thank u

117. ## Math

the towns highway department marks a new road with reflective markers the road is 6 3/4 miles in length the markers are spaced every length 1/8 of a mile