# Questions Asked onOctober 9, 2016

1. ## Chemistry

Write equations for the dissociation of the following in water. Do not include states in your answer. 1) sodium acetate (NaC2H3O2) NaC2H3O2 ---> Na+ + (C2H3O2)- 2) copper(II) perchlorate Cu(ClO4)2 ---> Cu2+ + 2(ClO4)- Enter balanced ionic and net ionic

2. ## English, Language Arts

Please check my answers 1. In the play Crossroads: A Sad Vaudeville, the use of stage directions better helps the reader to observe the movements of a character. envision inside the mind of a character. understand how a character responds to a certain

3. ## Algebra

Please check all of my answers and tell me if they are right. 1. What is the simplified form of the following expression? 7m^2 + 6.5n – 4n + 2.5m^2 – n (1 point) A. 9.5m^2 + 1.5n*** B. 4.5m^2 + 1.5n C. 1.5m^2 – 4.2n D. 9.5m^2 – 1.5n 2. Simplify the

4. ## Hisotry

What are some similarities between humans and machines? In what ways are humans and machines different? What are some conflicts between humans and machines that have arisen in the past? What conflicts might occur in the future? Can these conflicts be

5. ## Chemistry

Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and given ΔH′s. Ca(s)+CO2(g)+12O2(g)→CaCO3(s), ΔH= -812.8 kJ 2Ca(s)+O2(g)→2CaO(s), ΔH= -1269.8 kJ

6. ## ashworth

If the manager __________ here, we could meet the person who __________ all loans. A. were; approves B. was; approves C. were; approve D. was; approve

7. ## physics again

A Chinook salmon has a maximum underwater speed of 3.58 m/s, but it can jump out of water with a speed of 6.26 m/s. To move upstream past a waterfall, the salmon does not need to jump to the top of the fall, but only to a point in the fall where the water

8. ## English

In the following literature selections,individuals experience rites of passage in various ways: The Bass, the River and Shelia Mant by W.D. Wetherell Oranges by Gary Soto I Know Why the Caged Bird Sings by Maya Angelou First Lesson by Philip Booth On

asked by Just a confused person...
9. ## Jar Marbles

A jar contains 5 red marbles, numbered 1 to 5, and 12 blue marbles numbered 1 to 12. a) A marble is chosen at random. If you're told the marble is red, what is the probability that it has the number 3 on it? b) The first marble is replaced, and another

10. ## math

A paper cone has a base diameter of 8cm and a height of 3cm a. Calculate the volume of the cone in term of pie b. Calculate the curve surface area of the cone

11. ## Social studies

Of the following choices which ones are considered democratic values? Select all that apply (2 answers) A. Serving in the military*** B. Honesty C. Patriotism D. Voting in an election***

12. ## Chemistry

a piece of metal is heated by placing it in hot oil. it is removed from the hot oil and placed into a calorimeter of cold water. the water heats up due to the transfer of heat from the metal. what happens to the temperature of the calorimeter? how is the

13. ## chemistry

Consider the following reaction. 4Fe + 3O2 2Fe2O3 a. How many moles of O2 are required to react completely with 46.7 mg of Fe? How many grams Fe2O3, are produced from the complete reaction of 20.1 g of Fe?

14. ## Physics

Ade throws a ball up to a height of 10m and catches it back. What is the Displacement of the ball

15. ## maths

A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the remaining piece is 108cm^2. Find the width of the strips

16. ## chemistry

at 127 centigrade and 1 atm pressure of a gas contains 0.3mole of nitrogen molecule, 0.2 mole of oxygen molecule.the volume of the mixture is

17. ## Math

A​ one-product company finds that its​ profit, P, in millions of​ dollars, is given by the following equation where a is the amount spent on​ advertising, in millions of​ dollars, and p is the price charged per item of the​ product, in dollars.

5. Maria is applying for a summer job. Six employees who do various jobs at the company earn \$8.00, \$8.50, \$9.00, \$9.50, \$10.00 and \$23.50 per hours, in the interview the boss tells maria that the median of hourly wages is 9.25, is the statement the boss

19. ## physics

This figure shows the force on a 0.1-kilogram mass at various distances from Earth. Notice that the force decreases as the square of the distance. Now, consider satellites A and B, both circling Earth. If A has ten times the mass of B but B is 1/10 of the

20. ## precalculus

Use a cofunction to write an expression equal to csc4π11 .

21. ## Physics

A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 80 kg and the hill is inclines at 15 degrees with respect to the horizontal. Air resistance opposes the motion of the cyclist. Later, the bicyclist

22. ## Social studies

Is voting an important civic responsibility? A. It is part of the constitution B. Is required by law C. It determined the best known members of a community D. It ensures that government represents the people

23. ## physics

As a fish jumps vertically out of the water, assume that only two significant forces act on it: an upward force F exerted by the tail fin and the downward force due to gravity. A record Chinook salmon has a length of 1.50 m and a mass of 49.5 kg. If this

24. ## maths(cbse)

Two chords of a circle of lengths 10 cm and 8 cm are at the distances 8.0 cm and 3.5 cm, respectively from the centre? ans:false how? plzz explain clearly

25. ## English

Can you identify the sentence that contains a verb phrase? a) African violets are an excellent choice for an indoor garden b) These plants are relatively easy to grow c) They require very little natural light d) You can grow them with artificial lighting

26. ## physics

A boater wants to head straight across a river that has a current of 3 km/hr. If the top speed of the boat in still water is 4 km/hr. 1.find the direction the boat must travel into the current to go straight across the river? 2. How fast is the boat going

27. ## Chemistry

a sample of an ionic compound is dissolved in water and the water gets colder. what is acting as the system?what is acting as the surroundings? does the heat flow from the system to the surroundings or from the surroundings to the system? is this

28. ## math

Alan wants to bake blueberry muffins and bran muffins for the school bake sale. For a tray of blueberry muffins, Alan uses mc017-1.jpg cup of oil and 2 eggs. For a tray of bran muffins, Alan uses mc017-2.jpg cup of oil and 1 egg. Alan has 4 cups of oil and

29. ## chemistry

when 2g of a gas A is introduced into an evacuated flask kept at 25 centigrade, the pressure is found to be 1 atmosphere.if 3g of another gas is then added to the same flask, the total pressure becomes 1.5atm. assuming ideal behaviour, the ratio of their

30. ## Math

Morgan subscribes to a website for processing her digital pictured. The subscription is \$5.95 per month and 4 by 6 inch prints are \$0.19 each. How many prints did Morgan purchase if the charge for January was \$15.83?

31. ## Statistics

Suppose systolic blood pressure (the higher of the two blood pressure readings) of a large group of individuals is normally distributed. If the mean is 122 and the standard deviation is 20, then

32. ## Chemistry

Predict the effect of each of the following by mass of water in the hydrate and the chemical of the hydrate? a) not heating the hydrate enough b) overheating the hydrate and producing some copper (ii) oxide C) the initial hydrate appears to weigh less than

33. ## chemistry

What volume of air is needed to burn an entire 60-L (approximately 16-gal) tank of gasoline? Assume that the gasoline is pure octane, C8H18. Hint: air is 20% oxygen by volume, 1 mol of a gas occupies about 25 L at room temperature, and the density of

34. ## Statistics

a ball rolls off a table and falls 0.80 m to the floor, landing with a speed of 4.5 m/s. 1. What was the initial speed of the ball? 2. What initial speed must the ball have if it is to land with a speed of 5.8 m/s? 3. What is the magnitude of the

35. ## value

A BALL IS THROWN VERTICALLY UPWARDS FROM GROUND LEVEL HIT THE GROUND AFTER 4 SECONDS CALCULATE THE MAXIMUM HEIGHT IT REACH DURING THE JOURNEY(g=10m|s)

36. ## chemistry

complete the equation for the reaction of the soap with magnesium chloride

37. ## math

Alec bought 3 trays of eggs each containing 30 eggs. She paid sh270 for each tray of eggs. Nine eggs were eaten at home and the rest were sold. If Maria made a profit of 20%, how much did she sell each egg?

38. ## Math

Byong Sun withdraws \$15 from his bank account once each day for four days. what integer represents the change in the amount in the account? find the integer that would represent the change in the amount in the account if Byong Su deposits \$15 into his bank

39. ## math

Problem Lejon can finish a job in 6 hours while Romel can do the same job in 3 hours. Working together, how many hours can they finish the job?

40. ## physics

A parachutist bails out and freely falls 59 m. Then the parachute opens, and thereafter she decelerates at 1.6 m/s2. She reaches the ground with a speed of 2.5 m/s. (a) How long is the parachutist in the air? (b) At what height does the fall begin?

41. ## Statistics

Scores on an SAT test have a mean of μ = 1026 and a standard deviation of σ = 209. Compute the margin of error of the sample mean for a random sample of 100 students.

42. ## Information communication technology

Disadvantages of automating operations in government offices

43. ## computer

Write the pseudocode and draw the flowchart for a program that prompts the user for his/heryearly income, and outputs the amount of taxes to paybased on the yearly income.

44. ## Physics

Ade throws a ball up to a height of 10m and catches it back. What is the Displacement of the ball

45. ## Math

Multiply. write each product in simplest form. 3 7/10 X 7

46. ## MGT450

Emergent strategies affect all planned strategies. true or false?

47. ## Statistics

The weight of luggage that a randomly selected airline passenger brings onto a flight has a mean of 35 lbs and a standard deviation of 6 lbs. If a flight has 80 passengers, within what range would the average weight of their luggage fall with 95%

48. ## Variation

The distance D covered by a falling ball varies as the square of the time take T, calculate the distance when the time taken is 13 seconds and the time taken for a distance of 648m.

49. ## Math

My seven year old was set this question and I was asked to solve. Help please. Here is the question: My number has 5 tens. The ones digit is less than the tens. What could the number be? My solution was 5 x 10 = 50. Then subtract 1 from the tens = 49 is

50. ## physics (super hard)

a carnival ride is designed with seats that carry two people weighing 910.0 N each. the seats itself weights 630 N.each seat is connected to central spindle by one chain and rotates on a radios of 6.07 meters. the ride is designed to rotate fast enough

51. ## English

Choose the best answer. Something a film "pundit" would most likely be asked to do_________. a. star in a movie b. produce a film c. write a review d. direct a show Answer: a

52. ## Management

If time is running out to finish the operational-planning process before the start of the new fiscal year, it should be cut short with the resolve to start earlier the next year. true or false?

53. ## MATH

Peter ate 2/8 of a pizza.John ate half of what Peter ate. What fraction of the pizza did John eat? Who ate more?

54. ## physics

What changed Newton's original work on the movement of the Moon around the Earth into the law of universal gravitation? 1) his conclusion that the same laws applied to all objects, no matter how small 2) his connection of gravitation to his first law 3)

55. ## physics

The coefficient of sliding friction between a 10kg rubber tire and wet concrete road is 0.43. Determine the time in which a moving object with a velocity of 35mi/h can come to a stop on the road. What distance is covered at this time?

56. ## physics

An 76 kg satellite orbits a distant planet with a radius of 4500 km and a period of 280 min. From the radius and period, you calculate the satellite's acceleration to be 0.63 m/s2. What is the gravitational force on the satellite?

57. ## Math

There are 121pupil in a computer class 8/9 of the boys and 4/5 of the girls were African . The rest were 104 Africans pupils ,how many Africans boy were in the computer class ?

58. ## Algebra 1

Work pad question. 13+ w/7 = -18 Ok so I know w= -217 but I need to know the steps. It would be very helpful.

59. ## Math

A farmer has two blends of grain, one 50% barley and the other 20% barley. How many pounds of each each blend should be used to create a 45 pound mix that is 30% barley ?

60. ## Calculus, Related Rates

At 12 noon ship A is 60 miles west of point P steaming east at 15 knots and ship B is 36 miles south of P steaming north at 10 knots. If the ships continue their courses and speed. how is the distance between them changes at 2pm? At what time the ships are

61. ## precalculus

A weight on the end of a coiled spring is pulled 10cm below its resting position. The weight is released at time =t0 seconds and moves upward, oscillating in simple harmonic motion. It completes one cycle in 3 seconds. (Note that upward is the positive

62. ## Chemistry

The atomic mass of CU 63 is 62.9296 amu with a natural abudance of 0.692. The average mass of copper is 63.546amu.What is the mass of copper's other isotope?

63. ## Management

Which of the following is not a good reason to engage a strategic-planning consultant? 1) Consultant's experience with other organizations 2) participants free to focus on the discussion 3)Improved quality of participation 4) low price 5) "group think"

64. ## physics

A wire of length 20 cm and carrying a current of 2.5 A makes an angle of 30o with a magnetic field of strength 0.8 T. Calculate the magnitude of the force on the wire. My Working: F=BILSindeta F=0.8*2.5*0.2*sin30=0.2N is this correct?

65. ## physics

a grandfather clock is designed to have a pendulum which swings a mass at the end of the chain in a horizontal circular motion. the pendulum is designed to swing 7 degrees off of the vertical. the chain is 1.50 meters long and the maximum tension in the

66. ## Math

Anil had a total of 448 mangoes and durians .He sold 164 fruits altogether .How many mangoes and durians were sold respectively?

67. ## Statistics

If \$3000 is invested at 3% compounded monthly how much in 9 years

68. ## chemistry

Lewis sit structure of CH3OH

69. ## math

If a job can be done by 10 workers in 5 hours, the work load is 10(5) = 50 man-hours. If 4 workers is doing the job for 6 hours, the work done is 4(6) = 24 man-hours. A remaining of 50 - 24 = 26 man-hours of work still needs to be done. Problem Eleven men

70. ## Chemistry

24.5 g of H2SO4 (98 g/mol) is added with h20 to make up to 800 ml of a solution. If 50 ml of the H2SO4 is added with 100 ml of H20, what will be the molarity of the diluted solution? MaVa=MbVb (0.3125)(50)=(Mb)(100) Mb= 0.16 M No huh?

71. ## physics

A 2.2kg bowling ball with a velocity of 2m/s rolls along a level floor for 30m before coming to a halt. What is the coefficient of rolling friction?

72. ## Physics

A spring with a spring constant of 22.0 N/cm has a block attached to one end and the other end is fixed. How much work does the spring do on the block if the spring is stretched from relaxed length by 6.8 mm as the block is moved? How much additional work

73. ## Math

Is your weight on different planets affected by gravity an object that weighs 150 pounds on Earth weighs only 56.55 pounds on Mars the same object weighs only 24.9 pounds on the moon what percent of an object Earth weight is its weight on Mars and the Moon

74. ## Statistics

If \$3000 is invested at 3% compounded monthly how much in 9 years

75. ## Science

How do humans grow crops on land that would naturally be either too dry or too wet ? Explain

76. ## MATH

Plz I do not understand. You and your two sisters bought a gift for your brother. You paid 7.50 for your share (one third of the gift) . What is the total cost of the gift

77. ## English

Choose the best answer. The activity most likely to provide "edification." a. reading an article b. watching a cartoon c. playing a sport d. emailing a friend Answer: a

78. ## math

The excess of the sum of the half and the third parts over the difference of the fourth and the fifth parts of a number is 188. What is the value of a number?

79. ## physic

A 0.5 kg object at 16°C is put into a beaker containing 2 kg of water at 25°C. By assuming that no heat is lost to the surrounding, calculate the final temperature of the water. (Specific heat capacity of object = 840J/kg °C, specific heat capacity of

80. ## chemistry

explain the meaning of this statement"specific heat capicity of alumminium is 900J/kg°C"

81. ## Math

Two cars are 400 miles apart and start towards one another, one car traveling 4 miles per hour slower than the other. After 3 hours, the cars are 40 miles apart. Find the speed of each car

82. ## physics

A 350N box is pulled along a horizontal pathway by a rope which makes an angle of 42degrees with the pathway. If a force of 250N is applied on the rope, what is the coefficient of sliding friction?

83. ## MATH

Mario shared 6/8 of his allowance for a gift. Tomas shared 1/4 of his money and Anthony shared 2/4 .Assuming that they have the same amount of allowance, who have shared more?

84. ## Forensic Psychologist

Identify and articulate the similarities and differences between the therapeutic and forensic roles for both assessment and treatment.

85. ## Forensic Psychologist

Articulate the potential ethical conflicts and discuss how those conflicts might be managed.

86. ## math(Quantitative) ...Pls help me

Linear regression analysis is based on identifying independent variables and gathering historical data for these variables.Name 2 independent variables to forecast these dependent variables: (a)Demand for hospital Services. (b)Students entering Legon

87. ## Statistics

Four cards are chosen at random. What is the probability that at least 2 are J's? How is this problem computed? Using Combinations or permutations?

88. ## Economics

If Joe is currently consuming 64 nuts and 10 berries, what is the largest number of berries he would be willing to give up in exchange for 17 additional nuts?

89. ## Maths

A boy saves 1/8 of his weekly allowance each week, how much is his weekly allowance

90. ## MATH

If A/10 is amaller than 3/5 but greater than 2/3 then what is A?

91. ## math

When you are solving inequalities, when does the sign change and when does it not? For example, in -4x -5 > 8 I know I add 5 to both sides, then I have -4x > 13 Divide both sides by -4 and it becomes x < -3.25 But WHY does the direction of the sign change?

92. ## math

The reciprocal of a number minus the reciprocal of two less than the number is -2/15. find the number.

93. ## physics

Aljhumar is trying to arrange his room. He pushes an 80kg cabinet across the wooden room which resists the motion with a 300N force of friction. What is the coefficient of sliding friction between the cabinet and the floor?

94. ## Maths

What is the density of a block of wood with a mass of 1 gram and a volume of 2 cm3

95. ## Physics

If two springs have their spring constants as k1 and k2 (k1>k2 . When they are stretched by same force what will be the relation between their elongations

96. ## physics

determine the minimum radios of a highway curve which has banking angle of 5.74% over which vehicles will travel at 110km/h. assume that there is no friction between the road and the tires. calculate the radios?

97. ## Physics

An 8 kg bowling ball creates air resistance according to F(air)=2.14v. The bowling ball is rolled off the top of the sears tower. a) Calculate the acceleration (magnitude and direction at 1) The top of the building____ 2)when the ball reaches 5.6 m/s_____

98. ## math

If I roll a pair of dice 500 times what sum would appear the most

99. ## English

If you have read the father by Hugh garner. I have a question: if the father had to relive the evening in the banquet, what would he do differently? Provide a quote.

100. ## math

Assume ang interes rate of 5% compounded semiannually ang 20 semiannual payments to settle the loan

101. ## Science

Do tongue prints are also unique as finger prints?

102. ## math

Small marbles weigh 3.6 grams each and large marbles weigh 4.6 grams each. A bag contains 40 marbles and weighs 156 grams. How many marbles of each size are in the bag ?

103. ## math

Show that the largest triangle of given perimeter is equilateral.

104. ## Math

This is your question number 2 for today, out of 5 allowed. Here's your question for category 'Probability-and-statistics'. 16 teams decided to participate in a football competition. In the preliminary round, the 16 teams will br divided into 4 groups and

105. ## Physics

Hello, I need that someone help me with this excersise. I have to calculate (USING INTEGRATION) the motion ecuation of a particle. The excersise give me the ecuation of the velocity that is v=14t-32 , the initial time t1=3 And the initial position of the

106. ## Calculus I

You are watching the Chicago marathon from your friend's apartment, 100 feet above the street. A runner passes the building at 11 feet/sec. Let d denote the distance between the base of the building and the runner, and let h denote the distance between you

107. ## English

I need to choose which 5 of these are antithesis. Please tell me if i'm correct. I put a star next to them. *A little learning is a dangerous thing, drinking deep or taste not the pierian spring *be not the first by whom the new are tried, nor yet the last

108. ## Economics

A firm has an inverse demand function P = 30 – 2Q. It has a fixed cost of 50, and a per unit variable cost of 5. This firm breaks even at the output level(s): a. Q = 0 b. Q = 15 and Q =50 c. Q = 15 and Q = 30 d. Q = 2.5 and Q = 10 e. Q = 55

109. ## physics

an 85kg concrete block rests on a flat surface with coefficient of static friction us=0.42. find the maximum force that can pull on the block with, angle of 38 degrees above the horizontal without moving the block? please help and show work

110. ## Chemistry

Among the following electrons, which has highest energy? a. n = 3, l = 2, m = 0, s = + 1/2 b. n = 4, l = 0. m= 0 , s = - 1/2 Ans is A... but how A? Why nOt B?

111. ## FRENCH

This is a poem I wrote called Automne. Are there any mistakes? Adieu, vive clarté de nos étés trop courts Au claire de l’automne Le bel automne est revenu Un parfum de mélancolie émouvante On sent tout le temps, en l’automne Nous aimons bien cette

112. ## Math

What the total including sales taxes \$88 sales tax 8.25

113. ## pre cal

A number of cells decreases by 36% every 9 hours. By what percent does it change every 1 hr... 40 mins...2days

114. ## physics

a 1240 kg automobile stops in a distance of 41m. if initial velocity was 22.5m/s, what force did the road exert on the car to stop it? Answer pls... Thank You

115. ## English

1. The team is made of 12 players. 2. The team is made up of 12 players. 3. The bridge is made of stone. 4. The bridge is made up of stone. ------------------------ is each pair grammatical?

116. ## Chemistry

How do you do significant figures. How dobyou do dimensional analysis

117. ## math

Molly wants to purchase ribbon to make bows. Red ribbon costs \$1.59 per yard and gold ribbon costs \$2.70 per yard. How many yards of each type of ribbon can Molly purchase if she can spend at most \$20 altogether?

118. ## Math

A steak weighed=1pound 7ounces,them got cut in half and it weigh=11ounces,what is the weigh of the other peice of steak

119. ## math

121sq how long is eah

120. ## math

the sum of two cosecutive integers is twenty-one

121. ## Math

Evaluate cot@/cot@-cot3@ + tan@/tan@-tan3@

122. ## Forensic Psychologist

I need a speedy answer for this assignment please. I have posted several questions then I should be able to take over my responsibilities moving forward. Identify and articulate the similarities and differences between the therapeutic and forensic roles

123. ## math

Find all the solutions in the interval [−2π, 2π] of the equation cos θ = 0.

124. ## chemisry

What is the correct way to find an equilibrium constant for the dissolution of a specific chemical at various temperatures?

125. ## Math

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

126. ## precalculus help

what is the standard equation given asymptotes are y=1/3(x+5) and y=-1/3(x-7) with foci (1,12)

127. ## math

the sum of two cosecutive integers is twenty-one?

128. ## eng

Tips on making application letter, request letter and invitation letter pls

129. ## Science

How to figure the density of: Mass = 30 grams Volume = 10mL

asked by Mom going crazy with son's homework
130. ## Earth science

If the volume in a graduated cylinder is raised from 50ml to 51 ml, what is the objects volume?

131. ## algebra

x-1 1 ______ = ____ 6 3

132. ## Band

I know this seems dumb because the subject is band, but I have a real question that I need help on if there is anyone here that is in band? It is related to hw.

133. ## writing

can I email someone my work to edit?

134. ## Maths

2÷√5+√3+1÷√3+2-3÷√5+√2

41 3/4

136. ## English

Choose the best answer. The activity most likely to provide edification_______. a. reading an article b. watching television c. playing a sport d. emailing a friend I'm guessing: a

137. ## Marya

Ali has a smooth convex utility function. He is optimizing. The price of x changes, and it has no effect on his consumption of y. Is this possible? Show in diagram why or why not.