# Questions Asked onJune 16, 2015

1. ## Algebra

in what form is the following linear equation written? 3x-2y=4 A.rise-run B.standard C.slope-intercept D.point-slope

2. ## mathematics

Find I. Choose the correct answer. Amount Financed (m) = \$1,400 Number of Payments per year (y) = 12 Number of Payments (n) = 24 Total Interest (c) = \$200.50

3. ## maths

A can is 12cm high and diameter 8cm. Using the formula v =TT how much liquid is in the can

4. ## Chemistry

Calculate the mass percent of a NaCl solution in which 158g of NaCl is dissolved in 3.81L of water at 25 ∘C (density = 0.997 g/mL).

5. ## mathematics

Jane Investor purchased a \$10,000 bond at 90. The annual interest is 5%. What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)?

6. ## mathematics

Lily Adams purchased a \$1,000 bond at 70. The bond pays 4% What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)? (please only post of you know answer or at least will tell me how to get the

7. ## Chemistry

Equilibrium constants at 25 ∘C are Substance Kc Value of Kc CaCO3 Ksp 4.5×10−9 H2CO3 Ka1 4.3×10−7 Ka2 5.6×10−11 What is the molar solubility of marble (i.e., [Ca2+] in a saturated solution) in acid rainwater, for which pH=4.20?

8. ## Spanish

11. Wake up early! A. ¡Acuéstate temprano! B. ¡Despiértese temprano! C. ¡Tú te despiertas temprano! D. ¡Me despierto temprano! E. unable to answer Answer: B 12. Cuando Luís montaba a caballo, siempre _____________ al suelo. A. caiga B. cayó C. se

9. ## math

Bob does 2/7 of a book in 1 hour.how long will he take to do the remaining work?

10. ## Chemistry

Item 1 Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. •In a combustion analysis, a 1.054-g sample of maleic acid yields 1.599 g of CO2 and 0.327 g of H2O. •When 0.609 g of

11. ## Economics

In a command economy, who issues "commands" regarding the three basic economic choices? Question 1 options: Business leaders Government Consumers All of the above

12. ## chemistry

What volume of 0.076M HNO3 is required to titrate 20.0ML of 0.25M Ba(OH)2 solution? use 2 sig figures

13. ## mathematics

Oaktree Transportation Corporation has 75,000 shares of stock outstanding. What would the dividend per share of stock be from a dividend declaration of \$102,750? How many shares of stock does Jody Nichols hold if her share of the dividend is \$20.55?

14. ## Science

What is the atmosphere's role in the exchange of gases on Earth?

15. ## Algebra

For what real number k does the product (25 + ki)*(3+2i) equal a real number?

16. ## chemistry

A lactic acid/lactate ion buffer solution contains 0.43M HC3H5O3 and 0.90M C3H5O3-. The value of lactic acid is 1.4*10-4 calculate the pH of this buffer

17. ## analytical chemistry

a 0.4617g sample containing sodium bicarbonate was dissolved and titrated with standard 0.106M of hydrochloric acid solution , requiring 40.72ml. the reaction is: HCO3- + H+ -> H2O + CO2 Calculate the percent sodium bicarbonate in the sample. (Given

18. ## trig

Help with simplest form sin(2pift - pi) + sin(2pift + pi)

19. ## physics

A person goes to market,makes purchases and comes back at a constant slower speed.Draw displacement-time and velocity time graphs of the person

20. ## Chemistry

What is the pH change of a 0.220M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.155M with no change in volume?

21. ## math

what is the volume of the cylinder to the nearest whole number? use 3.14 for pi r=4 h=10 my answer is 502.65 and rounding it is 503

22. ## Chemistry

Predict the products of the electrolysis of a solution of aqueous MnSO4 given the following choices: a. H2SO3 (aq) b. O2 (g) c. H2 (g) d. OH- (aq) e. Mn (s) f. e- g. H+ (aq) how is the answer O2 and H2SO3?

23. ## trig

A radio transmission tower is 471.0 feet tall. A guy wire is to be attached 6 feet from the top and is to make an angle of 23.1 degrees with the ground? How many feet long should the guy wire be? I am confused on how to find the equation for this problem

24. ## Goverment

the president can choose to rid of democracy a. true b. false

25. ## Government

Which of the following is NOT considered an economic goal?

26. ## MATH

A 95% confidence interval for the mean of a normal population is found to be 17.6

27. ## chemistry

The concentration of Mg2+ ion in a solution is 0.010M. At what pH will Mg(OH)2 first precipitate? (Given Ksp Mg(OH)2 equals 1.2*10-11)

28. ## Math

The question is: A gardener wishes to create a rectangular bed. There are 70 meters of fencing wire which will be used to fence three sides of the garden bed, with a brick wall forming the fourth side. Calculate the maximum area of the garden bed that can

asked by Side length of a question help
29. ## physics

A small bead of mass 100 g is able to slide along a frictionless wire. The wire is bent into a semicircle of radius 10 cm and rotates about a vertical axis with angular velocity 12.5 rad/s. (i) Draw a free body diagram depicting the forces acting on the

30. ## ELA

t the library, the quickest way to locate varied, reliable information for your research paper is to A. check the encyclopedias. B. search the card catalog for related titles. C. ask the reference librarian. D. check the Readers' Guide.

31. ## Math

Think of a five-digit number composed of odd numbers. The thousands digit is two less than the ten thousands digit but two more than the hundreds digit. The tens digit is two more than ones digit which is four less than the hundreds digit?

32. ## ELA

You are least likely to feel that an Internet source is reliable if the information is posted A. on the U.S. Department of Labor Web site. B. on the Web site of your local police department. C. from a university department. D. without a specific source. D?

33. ## Jc motumi

What is the south African government providing and to whom?

34. ## Life Orintation

. Research and briefly discuss the following processes that the community must engage whenever there is an issue before and during a protest: how to engage in a protest, protest restrictions,permit to hold a protest,activities during a protest,as well as

35. ## physical science

An input force of 20 newtons is applied to a lever at a distance of 2 meters from the fulcrum. An object 0.5 m away from the fulcrum (and on the other side) is lifted by the 20-N force. What is the output force? A. 10 N B. 20 N C. 40 N D. 80 N

36. ## chemistr

What mass of HNO3 is needed to prepare 400mL of 0.25N solution?

37. ## english

In each sentence, there is one word which is incorrect. Choose the one word or phrase that is in? 1. What is the name of the taller mountain in the world? a. Is b. Name c. Taller d. In 2. Every morning, Kristen wake up at 7.00am on the dot a. Every b. Wake

38. ## Math

there is a swimming pool, 3 meters in width and 4 meters in length. the owner wants to built a uniform deck around the swimming pool which is 3 times of the area of the pool. what's the width of the deck?

39. ## pre-calculus 11

The infinite series 1+3x +9x^2 +27x^3+.. has a sum of 4.The value of x is? so if 1/1-r I substitute 1/1-3x =4 so x=1/4 if someone could confirm that my answer is correct? thanks so much

40. ## college chemistry

Calculate the molarity (M) of 156.2g of H2SO4 in 1.275L of solution.

41. ## Carmel

A memory card is one quarter full when 375 more pictures are taken it'll be two thirds full how many pictures can the memory card hold and how many pictures are on it?

42. ## math

what is the volume of the inside cylinder to the nearest whole number. use 3.14 for pi. r=8 h=18 the other top part is 5. my answer was 508.68 and rounding is 509

43. ## Chemistry.

Predict these reaction products. If a reaction takes place, balance the reaction if needed. If no reaction takes place then write no reaction. Cu+FeCl3--->CuCl3 + Fe Double replacement Al+HBr----> AgNO3 + KCL--->AgClKnO3 Double replacement

44. ## Maths

2,x,y are the first three terms of an arithmetic sequence.If the 2nd term is decreased by 1.The three terms will form a geometric sequence.calculate x and y and my working out is that if i said x-1

45. ## Chemistry

I have know clue how to answer this, but I tried something.(predicting products of electrolysis in aqueous solution)/ Predict the products of the electrolysis of a solution of aqueous MnSO4. I first wrote this: Mn^2+ SO4^2- Then for Mn^2+, it can be

46. ## Electrolysis

A current of 1.2A was passed through an electrolytic cell containing dilute Tetraoxosulphate(VI) for 40minutes. Calculate the volume of gas produced at s.t.p.

47. ## Stats

A researcher uses a matched- subjects design to investigate whether single people who own pets are generally happier than single people without pets. A mood inventory questionnaire is administered to a group of 20 to 29 year old non pet owners and a

48. ## Algebra

What constant must we place in the blank below in order to be able to factor the resulting expression into the product of two linear factors: 2mn - 16m - 7n + ____

49. ## Physics

Three blocks of mass 10kg, 20kg, 15kg respectively are being pushed in a row on along a horizontal surface with constant velocity by a force applied to the 10kg block.The coefficient of kinetic friction between each of the blocks and the surface is 0.18.

50. ## writing sentences and paragraph

Respected Sir/Madam, Myself Yogita Chadha Medical Healthcare Professional. I have Diploma in pharmacy and professional certificate in medical health care services. I have a handsome experience to serve in health care industry. I work almost one and half

51. ## Physics

A projectile of mass 0.636 kg is shot from a cannon, at height 6.6 m, as shown in the figure, with an initial velocity vi having a horizontal component of 6.8 m/s. The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel and

52. ## sgmic

Prove that tan theta+tan 2theta+tan 3theta=tan theta*tan 2theta*tan 3theta

53. ## Geometry

Solve for z. I got z=72 degrees and i don't know how I got it. The circle has diameter AB then another diameter CD. Arc AD = 40 degrees then angle DEB = 124 degrees and z = BC. The diameter DC intersects diameter AB. Please help i can't figure it out and

54. ## math

There is 70m of fencing wire which is used to create 3 sides, brick wall is used for the 4th side. Calculate the maximum area of the rectangle, and state it's dimensions. (I got the correct maximum area but can't figure out how to get the side lengths.) I

asked by Side length of a question help
55. ## Chemistry

Use each equation to predict whether the relative entropy change is S(products) > S(reactants) or S(products) < S(reactants) and whether Î”S > 0 or Î”S < 0 for the chemical reaction represented. Justify your answer in each case. a.

56. ## pre-calculus 11

The question is the roundtrip flight from Edmonton to Toronto covers a distance of 5400km in 7.6 hours. The speed from Edmonton to Toronto was 95 km/h faster than the speed from Toronto to Edmonton. What was the speed of the plane from Toronto to Edmonton?

57. ## Mantaqui

The amount of carbon which when completely burnt in air,produces 100gram of carbon dioxide by weight is

58. ## chemistry

How many equivalents of an acid or base are in the following? 0.43mol Mg(OH)2 and 2.8g Mg(OH)2?

59. ## Maths

A cylindrical tank has the dimensions a 100cm and 140cm ,if the tank is filled with 275 liters of water what is the depth of water in the tank

60. ## Chemistry

Consider the NiCd (nickle cadmium) cell found in rechargeable batteries. 1.)Which element is the cathode when the cell is recharging (being electrolytic)? 2.)How many cells must be present to produce 1.2 V 3.)Which element is the anode when the cell is

61. ## algebra

find the quotient of 2x+1/4x^2+8x+5

62. ## MATH

A theater puts on a play and it's overhead is \$750. It will charge adult's \$5 per ticket and students \$3 per ticket. The theater holds 200 people. What is the maximum profit? (How many adult tickets will be sold and how many student tickets will be sold?)

63. ## english

anguage that is important to the story and exact dialogue that is important to the message or tone makes: sharing the book difficult for the teacher. for a poor choice to share with young children. a story better when acted out with puppets instead of

64. ## algebra

The diameter of the base of a cone is 5 ft, and the slant height is 7 ft

65. ## Spanish

I was hoping you could proofread this for me please? No tenía ningún problema en el mundo cuando era más joven. Viajaba por lo menos una vez al mes. Volaba de Nuevo México Y Arizona mucho. Soy originalmente de Arizona, pero la vivía mayoría de mi

66. ## science

Time of evaporation of 250ml of water at room temperature

67. ## Math

At a community picnic, the following liquids were combined to make a punch: 3 gallons of water 1.5 gallons of cranberry juice 1 pint of strawberry juice 1 cup of grape juice 3 quarts of pomegranate juice How much punch was made in all for the community

68. ## algebra

three times a number decreased by 7 is equal to the number increased by 39. what is the number?

69. ## pre-calculus 11

-x/(x-3) + 2x/(x+2) (x-1) x (x-2) (x+2)/(x-3)(x-3) my question is should i multiply first and then do the adding or subtracting through a LCD or should i do the adding first?

70. ## chemistry

Ksp fo CaSO4 is 6.1*10?-5. how many grams of CaCl2 must be added to 500ml of 0.010M H2SO4 to just start preciptation of CaSO4? I cant figure this out at all.

71. ## physics

identify tie force fields from the following : density field, temperatuse field, gravitational field, magnetic field, electrostatic field, electric field

72. ## English

May I take your order? - Yes, please. I'll have a ham sandwich and an orange juice. - Is that all? - Yes. How much is it all together? =============================== Q1: In the short dialogue, will you look at the last sentence? What about the following

73. ## New lekhnath public academy.N.L.P.A

THE means of transportation that are inside the water and water surface both is called submerging.

74. ## analytical chemistry

a buffer solution is 0.2M in acetic acid and in sodium acetate. Calculate the change in pH upon adding 1.0ml of 0.1M hydrochloric acid to 10ml of this solution.(Given pKA of acetic acid is 4.76)

75. ## Earth Science

What is the atmosphere's role in the exchange of gases on Earth?

76. ## algebra

Solve 2 x^2 + 3 x - 6 = 0. The solutions are x_1 = and x_2 =

77. ## math

what is the surface area of the triangle prism. b=9 h=12 side=7 side=15 the answer is 413.39

78. ## Algebra 2

Can someone please tell me how to solve and graph this system of trinomial quadratic inequalities? {y is greater than or equal to x^2+6x+12} {y

79. ## FRENCH1

é ü û à Please correct. I did my best to correct each sentence. 1.) Cette semaine nous allon à Seattle. 2.) Nous visité notre famille. 3.) Nous avons dépensé beaucoup de temps avec ils à une mariage et pendant camp. 4.) Aujourd'hui, je suis aller

80. ## math

the billions period has three different even digits whose sum is 12. each of the other places is occupied by 8. what is the number?

81. ## chemistry

The molar volume of an ideal gas is

82. ## pre-calculus 11

I have a question that two ski decide to have a race. I need show a graph of height versus time of the two skiers going over a jump. I am assuming that both skiers graphs would be parabola's and have a maximum height with both graphs opening downward.

83. ## Algebra

In interval notation what is |7-8x|

84. ## chemistry

The mechanism of solubility depends on the solute and solvent. Describe on an ionic or molecular scale how each of the following dissolve: a.NaCl in H2O b.I2 in CCl4 c.CH3CH2OH in H2O

85. ## cubic function

Just need help on the first 3 steps. I have tried to factoring it, its like there are no factors. x^3-3x^2-11x+1=0

86. ## english

hello admin,i have an english homework and i confuse with this question 1 robin still felt --------- of the accident several months later. a reaction b effects c affects d contraction and i answer a,is it wrong? 2 despite the peer pressure, jessica held

87. ## English

1. I will transfer you to my manager. ================== In which situation, can we use this expression? What other expressions are similar to 'transfer' here?

88. ## Science

What is the mass if a bag if its weight is 9.5N? What is its weight when it is brought to the moon?

89. ## math

what is the volume of the rectangular prism w=7 l=23 my answer was 644

90. ## FRENCH!

Please help fix my sentences. Please keep in mind my past, present, and future tenses. You've been a great help Sra.Mme. 1.) This week, I went to my cousins house. 2.) We had a community gathering. 3.) I met so many new people. 4.) The gathering is fun.

91. ## mechanics

a 20N sphere A is released from rest when angle at A is 90° and strike a 25 N block B which is at rest.if coefficient of restitution between the sphere and block is 0.75 and that the coefficient of kinetic friction between block and floor is 0.25. How far

92. ## chemistry

The ksp for Al(OH)3 is 3.7*-5 at 20 degrees. What is the solubility of Al(OH)3 in grams per litre?

93. ## Algebra

In interval notation what is 20-|7x+1|>=6

94. ## French!

I fixed this one from the previous previous one. Please check. Merci. éüûà 1.) Cette semaine, je suis allée à la maison. 2.) Je me suis détendu parce que je jeûnais. 3.) Ma famille et moi avons rompu notre jeûne au coucher du soleil. 4.)

95. ## FRENCH!

Please check these sentences for a story. Thankyou again Mme. 1.) This week, I went home. 2.) I relaxed because I was fasting. 3.) My family and I broke our fast at sunset. 4.) Today, I am fasting. 5.) Tomorrow, I will go to the mosque and pray.

96. ## Economics

What are the costs and consequences of providing welfare

97. ## math

solve each of the following initial value problems and plot the solutions for serveral variables of ynaught a)dy/dt = -y+5 I got to the point where I have: y= ce^-t + 5 they give y(0)=y(naught) so I tried plugging in 0,0 and got c to be -5. but the answer

98. ## math

find the unknown lenght of a rectagular prism. Lenght=15 volume=180 ft square with= 4 ft my answer is x=120

99. ## Government

Iowa has to honor a marriage that was granted in Indiana. True False Im so confuse

100. ## furthe math

find the gradent of the lind parallel to the line whose gradent is -3

101. ## ENVM

Review the three most significant adverse environmental impacts you identified in Week Four for the facility you are working with in your Capstone project and suggest actions that the facility might take to eliminate or mitigate them. Restrict your answer

102. ## Algebra 2

Can someone please tell me how to solve and graph this system of trinomial quadratic inequalities? {y is greater than or equal to x^2+6x+12} {y

103. ## science

An astronaut has a mass of100kg. She recedes from her spacecraft using spurts of gas from a small unit on her back. If the force generated by the gas spurt is 50N, calculate her acceleration.

105. ## geography

what is the capital of fiji

106. ## pre-calculus 11

a launch window of 8:00 to 12:00. If t represents the launch time then what is an acceptable range of values for launch times? My thoughts are on this is that the scientist have a window of 4 hours which can include 8:00 and 12:00 but cannot exceed them.

107. ## secondary

find gradient of y plus 2x divide by 4 equal x divide by 3

108. ## socialology

Describe a situation in which you might see a gesselschaft community partnered with mechanical solidarity.

109. ## math

I need help thank you what is the volume of the prism High= 12 Base=14 side= 9 my answer was 756.

110. ## further mathematic

find the gradent of the lime parallel to the line whose gradent is -3

111. ## physics

the lines of force of a magnetic field do not cross. why is this so