Questions Asked on
December 12, 2016

  1. Social studies

    Which of the following was a result of the reform efforts spurred on by the second great awakening of the 1820s? A.limits were placed on the number of immigrants allowed in the United States B. Women gained the right to vote C. People with mental illness

    asked by Help!
  2. Social studies

    Why did quakers and other religious leaders in the north oppose slavery? Answer options: A. They believed it was a sin for one person to own another person B.They had many african american followers C.They felt african americans should be fairly paid for

    asked by Hello
  3. social studies

    How would Samuel A. Worcester most Likely view the end result of the legal battle between Georgia and the Cherokee People? he would be happy because he wanted the Cherokee people to be moved to the wear he would be surprised because he expected the Supreme

    asked by shyla
  4. math

    Part A: Max rented a motorbike at $465 for 5 days. If he rents the same motorbike for a week, he has to pay a total rent of $625. Write an equation in the standard form to represent the total rent (y) that Max has to pay for renting the motorbike for x

    asked by katrina
  5. Algebra

    1. Choose the correct solution in roster form. N is the set of natural numbers that are factors of 12. {1, 2, 3, 4, 6} {1, 2, 3, 4, 6, 12} {1, 2, 3, 4, 5, 6, 8, 12} *this is my answer {1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12} 2. Write the solution to the

    asked by Robin Kwan
  6. American Government

    The question in every case is whether the words used are used in such circumstances and are of such a nature as to create a clear and present danger that they will bring about the substantive evils that Congress has a right to prevent. –Schenck v. United

    asked by Joey
  7. SC state history

    note: not all letters will be used. a. sectionalism b. missouri compromise c. andrew jackson d. john c. calhoun e. articles of confederation f. cabinet g. tariff h. treason i. daniel webster j. louisiana purchase k. nationalism l. thomas jefferson 1. the

    asked by chloe
  8. science

    Please help!! Methylamine has a vapor pressure of 344 torr at -25∘C and a boiling point of -6.4∘C . Find ΔHvap for methylamine. I know that ln(P1/P2)=(ΔHvap/R)(1/T2-1/T1) but it doesn't indicate whether the boiling point is the "normal boiling

    asked by caleigh
  9. History

    What reason did Jefferson give for urging passage of the embargo act A. To protect American traders B. To avoid war over seized ships ***** C. To increase power of the Republican party D. To decrease the power and influence of new England merchants

    asked by Chicken
  10. SS HELP MEEEE PLEASEEE

    13. how did the embargo act of 1807 affect south carolina? a. it hurt the sale of the planters' rice and cotton b. it hurt the planters who needed british manufactured goods c. it hurt the aristocrats who could not longer send their sons to school in

    asked by chloe
  11. ss

    How did Muslim Turks influence Turkey's development? Do not copy and paste anything, its not helpful.

    asked by jim
  12. social studies help pls

    13. how did the embargo act of 1807 affect south carolina? a. it hurt the sale of the planters' rice and cotton b. it hurt the planters who needed british manufactured goods c. it hurt the aristocrats who could not longer send their sons to school in

    asked by chloe
  13. math

    Which of the following best completes the sequence below? 5, 10, 15, 20...

    asked by lecia
  14. Math

    Rewrite the set G by listing its elements. Make sure to use appropriate set notation. G= { x | x is an integer and -5< x

    asked by Gia
  15. Social Studies

    Which city is most likely to be a major population center? -Yazard, in the desert of central Iran -Kars, located in mountainous eastern Turkey -Mashad, in a valley in northeastern Iran * -Galata, in the cool mountain highlands of Cyprus

    asked by Cleo
  16. SS

    For questions 1-10 choose the letter of the answer that matches the description. Not all letters will be used. A. sectionalism B. Missouri Compromise C. Andrew Jackson D. John C. Calhoun E. Articles of Confederation F. cabinet G. tariff H. treason I.

    asked by .
  17. art

    i need help which of the following most influences the art of tessellations a. language arts b. social studies c. science d. mathematics please someone help im really confused

    asked by depression
  18. Language arts

    Both Enersto from Barrion Boy and the boy in a days wait interact with adults. Ernesto interacts with Miss Ryan, while the sick boy interacts with his father.In a paragraph, compare and contrast how the boys interact with adults. Focus on how the boys

    asked by Brooklyn
  19. Chemistry

    rank the compounds below in order of increasing vapor pressure at 298 K? A) c3h6 B) c4h8 C) c5h10

    asked by Vanessa
  20. PLS HELP REAL BAD, I COULD FAIL!

    A store is having a 10%-off sale. It gives an additional 10% off if the item is still above $100 after the first discount. A jacket costs $199.99. Will you get the second discount and if so, how many dollars will you save in total? Could anyone give me a

    asked by HueHueHue
  21. Society and Culture before the Civil War SS

    Most of the questions have maps or images to go with them, I answered those but I need help/answers checked on the ones that don't. I need to get a good grade on this so I can finally get out of this stupid online school!!! What was the importance of slave

    asked by UrgentHelpNeeded
  22. Math

    A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boysin the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she

    asked by Tay
  23. Science

    True or False 1) All living things must eat other living things for food. 2) Plants can make their own food. 3) Plants don't need oxygen, only carbon dioxide. 4) Animals eat plants or other animals that eat plants. 5) Many living things need oxygen to

    asked by Sammie
  24. Physics

    A solid, uniform, frictionless cylindrical reel of mass M = 3.00 kg and radius R = 0.400 m is used to draw water from a well.? A bucket of mass m = 2.00kg is attached to a cord that is wrapped around the cylinder. (a) Find the tension T in the cord and

    asked by Giovanni
  25. Geometry

    A 20 meter long cable is used to support a telephone pole, holding it perpendicular to the ground. If the cable forms a 60 degree angle with the ground, how high up the pole should the cable be attached?

    asked by Justin
  26. Math

    The students in a class of 24 share 48 apple slices and 36 orange slices equally among them. How many pieces of fruit did each student get?

    asked by Vanessa
  27. American Government

    Why did the framers insist that federal judges be appointed for a lifetime of service?

    asked by Karen
  28. Science

    what types of wave are gererated by earthquakes?

    asked by hayden
  29. American Government

    1. how is the supreme court equal to the other branches of government? a. it has the same powers as the legislative branch and executive branch. b. it enforces the laws along with the president*** c. it creates laws like the legislative branch d. it

    asked by Alice Keign
  30. Math

    Translate this sentence into an equation. The product of Vidya's score and 2 is 22

    asked by Gia
  31. physics

    A 100 kg car is traveling at 20m/s over the top of a circular hill as shown below. The radius of the circle is 200 m. What force does the ground exert on the car at the top of the hill? After reaching the top of the hill, the car descends a vertical

    asked by mable
  32. math

    there are 3 boxes of tangerines each box has 93 tangerines the tangerines will be divided equally among 9 classrooms how many tangerines will each class get.

    asked by damia
  33. U.S. History

    What term describes a white southerner who supported northern Reconstruction policies after the Civil War? A) carpetbagger B) radical C) scalawag D) unionist

    asked by Hailey
  34. Calculus

    Find the dimensions of the right circular cone of maximum volume having a slant height of 5 ft. See the figure.

    asked by Brooke
  35. Applied electricity

    A radio signal has a frequency of 103.1 MHz,calculate the wavelength

    asked by 2016
  36. Math

    Cylinder A has radius r and height h. Cylinder B has radius 2r and height 2h. How many times greater is the surface area of Cylinder B than the surface area of Cylinder A? I have no idea how to start doing this problem. Are there any tips on how to start?

    asked by Rylie
  37. h.p.

    find the sum of the series,if the number of terms is infinite: 1/2.4+1/4.6/+1/6.8+1/8.10+.... sir answer 1/4

    asked by warnar
  38. Physics

    A 16-g mass is moving in +x direction at 30 cm/s while a 4-g mass is moving in the -x direction at 50 cm/s. they collide head-on and stick together. Find their velocity after collision?

    asked by Taif
  39. American Governent

    1. What type of power does the Constitution grant to the Supreme Court? (1 point) executive power federal power judicial power legislative power 2. Which are examples of judicial restraint in the Supreme Court? Select all that apply. (3 points) The verdict

    asked by Joey
  40. Stats -Math

    1. We are interested in conducting a study in order to determine what percentage of voters of a state would vote for the incumbent governor. What is the minimum size sample needed to estimate the population proportion with a margin of error of 0.05 or less

    asked by Lauren
  41. world lit

    can some one help me with final check relating to parents. the words are congenial, prone, flippant, rapport, impasse, rationale, perception, relentless, prompt, reprisal

    asked by jada coffey
  42. math

    The well is dug 14m deep. Its radius is 2m. The earth dug out is evenly spread out on a rectangular field of dimensions 10m*4m. Find the height of the platform raised.

    asked by aditi
  43. precalculus

    Is this right? Convert the polar coordinate (-14, 5pi/3) to rectangular form. Does it mean rectangular coordinates and if so can you check my work? answer: r=-14 theta=5pi/3 x=-14 cos 5pi/3 x=-14(0.5) x=-7 y=rsintheta y=-14 sin 5pi/3 y=-14(-0.866) y=12.124

    asked by Anonymous
  44. Business

    whats is in their decision making process(How Gerber Used a Decision Tree in Strategic Decision-Making), can someone explain it to me because i don't get it. I'm going to need it for my assignment which is to Present and Give Observation on a Sample

    asked by ellen
  45. Maths

    How many moles of NaOH can be added to 1L solution 0.1M in NH3 and 0.1 M in NH4Cl without changing the POH by more than 1 unit kb NH3 = 1.8 into 10^_5

    asked by Kkk
  46. physics

    Andy is waiting at the signal. As soon as the light turns green, he accelerates his car at a uniform rate of 8.00 meters/second2. What is the displacement of Andy’s car after 30.0 seconds?

    asked by jakie
  47. Algebra

    Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 1000 bacteria selected from this population reached the size of 1274 bacteria in five hours. Find the hourly growth rate

    asked by Monae
  48. science

    What type of rock forms when igneous rock is weathered and eroded?

    asked by Julliana
  49. Science

    If you have 10 grams of water and you add 5 grams to it how much salt water do you have?

    asked by Katie
  50. math

    A restaurant offers seven different main courses,,eight types of drinks and four kind of desserts. How many different meal consisting of main course,a drink and a dessert does the restaurant offer?

    asked by jen
  51. social studies

    Which document establishes the separation of powers? a. the Bill of Rights b. the Articles of Confederation c. the Declaration of Independence d. the Constitution *** In what way did the structure of the Virginia House of Burgesses influence the

    asked by LAFAYETTE
  52. Science

    A scientist is studying a plant species in which the flower color genes are codiminant. The scientists crosses a plant with red flowers. The offspring will most likely have A. Red flowers B. White flowers C. Pink flowers D. Red flowers with white patches

    asked by Jessica
  53. SS HELP!!

    How is The Three Gorges Dam Successful?

    asked by Agala
  54. math

    Give an example that shows how to use the Distributive Property to multiply a number by a sum. All of the numbers you use should be mixed numbers or fractions.

    asked by brittany
  55. US history

    What colonies are in each region and what are tge characteristics of each?(Geography,politics,economies/agriculture). New England: Middle colonies: Southern colonies:

    asked by happy christmas
  56. Physics

    A 6.2 g bullet is fired into a 2 kg ballistic pendulum. The bullet emerges from the block with a speed of 281 m/s, and the block rises to a maximum height of 15 cm . Find the initial speed of the bullet. The acceleration due to gravity is 9.8 m/s 2 .

    asked by Somya
  57. Science

    How does increase of oxygen in wetlands affect the small fish and wading birds?

    asked by Evie
  58. Business

    You purchase a bond for $875. It pays $60 a year (semiannual coupon is 3%), &the bond matures after 10 years. What is the yield to maturity?

    asked by Tori
  59. SS HEEELLLPP!!!

    Why are the Great Wall Of China and Communism The Most Important Things In The Development Of China?

    asked by Agala
  60. physics

    A 1000 kg car is initially at rest. If the motor does 10,000J of work on the car, what is the car’s final speed? (Neglect friction, and assume that the car is on level ground.)

    asked by mable
  61. pre-calculus

    A rectangular box has a perimeter of 36 inches. Which of the following equations represents the area of the rectangular box in terms of its width, w? a. A = 36w - w2 b. A = 18w - w2 c. A = 36 - w2 d. A = 18 - w2

    asked by Sam
  62. literature

    In The Call of the Wild" which dog is sled-team leader after the death of Spitz?

    asked by Jake
  63. US history

    what is the term used to describe nazi germany's systematic annihilation of european jews A)blitzkrieg B)the holocast C)kristallnacht D)the manhattan project A?

    asked by KK
  64. Math

    The ratio of students to teacher at school is 19:1 how many students are there in each total number of people?

    asked by Jaylin
  65. Math

    Representing each sum as a single rational number. a.-14 + (-8/9). -14 8/9? b. 7 + 1/9 = 7 1/9? c. -3 + (1/6) = -3 1/6? Do i just add the fraction and number together? and, the last problem is: a student is completing a math problem and is at the last

    asked by need math hw help
  66. Physics

    A steel cable of cross sectional area 2.5 cm^2 supports a 1000kg elevator. The elastic limit of the cable is 3 x 10^8 Pa. If the stress in the cable is not to exceed 20 percent of the elastic limit, then find the maximum upward acceleration of the elevator

    asked by Cielo
  67. Algebra

    2. Tell whether the system has one solution infinitely many solutions or no solution. x=-7y+34 x+7y=32 a. one solution b. infinitely many solutions c. no solution*** can you please solve this thank you

    asked by Leslie
  68. chemistry

    What is the ∆G for the following reaction under standard conditions (T = 298 K) for the formation of NH4NO3(s)?

    asked by abraham
  69. career

    This is my module exam and I need someone to check it please only people who really know if the answers are right thank you. 1. Which federal agency is responsible for enforcing employment discrimination laws? A. Veteran's Administration (VA). B. The Equal

    asked by John Doe
  70. physics

    A positive charge with Q1= +210-6 C and a negative charge Q2 = -1×10-6 C are located at an equal distance 0.1m from the origin (see below). A third charge Q3=+110-6C is located at the origin. Calculate the magnitude of the net force exerted on

    asked by mable
  71. math

    How do you read the numeral 2 followed by 8 zeros?

    asked by renel jay
  72. Math

    A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boysin the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she

    asked by Gia
  73. Math

    To begin a bacteria study, a petri dish had 1500 bacteria cells. Each hour since, the number of cells has increased by 7.1%. Let t be the number of hours since the start of the study. Let y be the number of bacteria cells. Write an exponential function

    asked by Monae
  74. Physics

    A book with a mass of 1350 g is sitting on a desk. The ukf between the book and the desk is .45 and the ukf between the book and the desk is .30. a. how much horizontal force is required to start the book moving across the desk? b. Once it starts moving,

    asked by Anonymous
  75. Pre-Calculus

    The cost of sending a package overnight is $14.40 for the first pound and $3.90 for each additional pound or portion of a pound. A plastic mailing bag can hold up to 3 pounds. The cost f(x) of sending a package in a plastic mailing bag is given by the

    asked by Iris
  76. Chemistry

    What is the total ionic and net ionic equation for this aqueous reaction?: Sr(OH)2(aq) + HClO2 (aq) -I wrote the molecular as: Sr(OH)2 (aq) + HClO2 (aq) ---> SrClO2 (aq) + H20 (l) -Is the Total Ionic: Sr2+ (aq) + 2OH- (aq) + H+ (aq) + 2ClO- (aq) ---> Sr2+

    asked by Les
  77. Physics

    Assume the sleigh and horse pulling it are on a level, horizontal surface. Given: mass of sleigh 475 kg / force of horse pulling sleigh 1.5×10^5 / coef. of kinetic friction .15 / coef. of static friction .20 a.) What is the normal force of the sleigh and

    asked by Billy
  78. physics

    A 2 kg block with initial velocity +2m/s collides with a stationary 6 kg block with initial velocity 0m/s on a frictionless surface. After the collision, the 2 kg block is moving at –1 m/s and the 6kg block is moving to the right at +1 m/s. Show that the

    asked by mable
  79. Math.

    Solve the linear equation. 14x−1/2(4x+6)=3(x−4)−18

    asked by April Martinez.
  80. Chemistry

    What is the total number of mole of atoms in 1 mole of Al2(CO3)3?

    asked by Pedro
  81. Math

    Mr. Jones makes 3% commission on his sales of widgets. At a different company, Mr. Smith makes 5% commission selling the same widgets at the same price. Mr. Smith sold 500 fewer widgets than Mr. Jones, and they both earned the same commission. How many

    asked by Please help!!!
  82. American Government

    1) In the case Schenck v. United States, Justice Oliver Wendell Holmes wrote: "The most stringent protection of free speech would not protect a man in falsely shouting fire in a theatre and causing a panic." This is an example of what kind of rights? A)

    asked by Juliet
  83. precalculus

    find two sets of parametric equations for the given rectangular equation. x^2+4y^2-16=0

    asked by Anonymous
  84. math

    suppose that you are a power company who must provide power to a lighthouse on an island 1 mile off shore. the nearest pole to run the line from is 2 miles up the shore from the line straight out to the lighthouse. if the line costs $1000/mile on land and

    asked by Millie
  85. acounnting

    9. The materials price variance reveals the difference between ____________________. (Points : 1) the price paid for materials and the quantity of materials used the quantity of materials used and the quantity of materials allowed for good output none of

    asked by Jenny
  86. French

    Are the sentences correct in passé composé? I have to use 3 separate verbs, pensé, aimé, 1. J'ai pensé que je venais d'attraper un rhume et me demandais d'où il pouvait venir aussi soudainement. 2. Nous avons aimé la nourriture Safiah. ? Is the

    asked by Sophia
  87. reading and preschoolers

    Beginning readers' past experiences with ____ is believed to be necessary for children to acquire reading skill.

    asked by Cheryl
  88. pre-calculus

    A rectangular box has a perimeter of 36 inches. Find the length and width of the box that would give the maximum area. e. l = 9, w = 9 f. l = 81, w = 9 g. l = 27, w = 9 h. l = 18, w = 18

    asked by Sam
  89. Math

    what is the measure of the angle of an arc that is 25 cm long with a radius of 7?

    asked by Kate
  90. English

    The following sentences lack necessary periods, question marks, exclamation points, commas, semicolons, and colons. Rewrite each sentence, inserting the correct punctuation 1. Some turtles live on land,others live in lakes streams or oceans. 2. Faced with

    asked by Hayden
  91. Pre-Calculus

    Which of the following shows the correct notation for “The limit of x^2 - 1 as x approaches 3. A. lim x^2-1 x->3 B. lim3 x->x^2-1 C. lim(x^2-3) x->x^2-1 D. lim(x^2-1) x->3 Thank you

    asked by Iris
  92. Organic Chemistry

    Hello! I was looking for some advice on my organic chemistry lab. We were supposed to separate and identify a solid mixed into a liquid. I found and have confirmed my liquid is acetone by distilling it out of the solid. The solid then turned into a whitish

    asked by Abby
  93. physics

    a stone that is thrown near the surface of the earth. There is no air resistance. Position increases in the up direction. The initial velocity is 30 m/s at 30 degrees above the horizontal. what is the velocity when the stone reaches its maximum height ?

    asked by Mable
  94. 8TH GRADE MATH

    A SOFTBALL DIAMOND IS A SQUARE WITH SIDES OF 60 FT LONG. HOW FAR IS THIRD TO FIRST BASE. ROUND TO THE NEAREST HUNDRETH. SO FROM THIRD TO FIRST IT WILL FORM A RIGHT TRIANGLE. THE LEGS ARE 60 TO 2ND POWER + 60 TO THE 2ND POWER. THE HYPOTENUSE IS WHAT I DON'T

    asked by DRE
  95. AP Chemistry

    Tungsten(VI) oxide can be reduced to tungsten by heating it with carbo, as shown in the reaction: 2WO3(s) + 3C(s) 2W(s) + 3CO2(g) If the original mass of WO3 is 37.0 g, how many grams of CO2 must be collected from the reaction in order to infer that the

    asked by Landon
  96. Math

    Mr. Jones makes 3% commission on his sales of widgets. At a different company, Mr. Smith makes 5% commission selling the same widgets at the same price. Mr. Smith sold 500 fewer widgets than Mr. Jones, and they both earned the same commission.How many

    asked by Sabrina
  97. science

    Calculate the molarity of 500 ml of a solution containing 100 grams of glucose (C6H12O6).

    asked by Anonymous
  98. math

    x^1/2-6=x^1/4 please explain steps to solving!

    asked by Kyle
  99. History?

    Article of confederation. Structure: Strengths: Weaknesses:

    asked by Teach-me_master's
  100. Math

    I tried answering this and pending how I read it I get several answers. Any help out there 1. A box of crackers has a mass of p kilograms. When empty, the box has a mass of 200 grams. What is the total mass of the crackers in 5 such boxes? Express your

    asked by Travis
  101. Math (please check my answer)

    Write a proof for the following. I have 2 answers but I don't know what the other 2 would be? Can anyone help?i68.tinypic(.)com/k2nw9.jpg

    asked by Ren
  102. Calculus

    (a) Compute the area of the bounded region enclosed by the curve y = e^x, the line y = 12, and the y-axis. (b) How does this area compare with the value of the integral ∫ from 1 to 12 of (ln x dx)? Explain your answer. (A picture may be helpful.)

    asked by Anonymous
  103. Pre-Calculus

    Find P_(k+1) if P_(k)=2^(k-1)/k! (I used _ as a sign for a subscript) A. 2^(k+1)/(k+1)! B. 2^k/(k+1)! C. 2^(k+1)/k!+1 D. 2k/k!+1 Thank you

    asked by Iris
  104. precalculus

    find two sets of parametric equations for the given rectangular equation x+y^2=4

    asked by Anonymous
  105. pre-calculus

    A rectangular box has a perimeter of 50 inches. Find the length and width of the box that would give the maximum area. Find the maximum possible area of the box.

    asked by Sam
  106. Latin

    Construe all the nouns and adjectives in the following sentence. !@#$%^& bonis amicis ex alta silva equis magnis volabimus in latos campos, ubi in magna villa bene habitabimus.

    asked by janey
  107. Chemistry

    What is the concentration of Pb in mg/L , if you have 25 mg Pb in 5kg of seawater? (note: density of seawater is 1.025 kg/L)

    asked by Sam
  108. english

    give me an example of an information text,procidure text andeunurate text.give 5 each

    asked by neomi
  109. accounting

    3. Managers would prefer a budget prepared______________________________. (Points : 1) by the budget committee utilizing the top-down approach utilizing the bottom-up approach utilizing none of the methods listed here

    asked by Jenny
  110. Pre-Calculus

    Find first differences for the sequence in order from a_1 to a_5. Determine whether or not the series is quadratic or not.(I used _ as a sign for a subscript) -1, -3, -1, 5, 15 A. 2, 2, 6, 10; not quadratic B. 2, 2, 6, 10; quadratic C. -2, 2, 6, 10; not

    asked by Sade
  111. quick question regarding math

    If I solve an equation and it comes out to all real numbers, is going to be always true, sometimes true, or never true? I do not know why I am having trouble with this but really need help.

    asked by Olivia N J
  112. precalculus

    find two sets of parametric equations for the given rectangular equation x+y^2=4

    asked by Anonymous
  113. Calculus

    (a) Compute the area of the bounded region enclosed by the curve y = e^x, the line y = 12, and the y-axis. (b) How does this area compare with the value of the integral ∫1-12(ln x dx)? Explain your answer. (A picture may be helpful.)

    asked by Anonymous
  114. physics

    Una tabla esta apoyada contra un pared formando un ángulo con la vertical. El coeficiente de roce estatico entre la tabla y el piso es ( μe ). La fuerza de roce de la pared sobre la tabla puede despreciarse. Encuentre una expresión para el máximo valor

    asked by daniela
  115. Chemistry

    Hello, I was wondering what would happen if u add KOH(potassium hydroxide) solution instead of KOH solid to HCL (hydrochloric acid). Currently, learning enthalpy in class and I'm not sure how this affects enthalpy

    asked by Ann
  116. Calculus

    Which would be the best option for finding the limit? lim (1-2x-3x^2)/1+x x->-1 A.Direct substitution B.Dividing out technique C.Rationalization technique D.Indeterminate form

    asked by Sade
  117. physics

    A 5kg block has an initial velocity of 15 m/s and is sliding along a surface with friction. Eventually the block comes to rest. what is the change in thermal energy of the block and the surface ?

    asked by mable
  118. Calculus

    the sum of three positive numbers is 40. The first plus three times the second plus four times the third add up to 80. Select the numbers so that the product of all three is as large as possible.

    asked by Nick
  119. precalculus

    Find the standard form of the equation of the hyperbola with vertices (0±3) and asymptotes (y=±3/2x)

    asked by Anonymous
  120. Math

    Susan picked a squash that weighed 8/15 lb. Larry picked a squash that weighed 1/4 as much as susan's squash. How much did larry'squash weigh?

    asked by Anonymous
  121. Calculus

    If the functions f and g are defined for all real numbers and f is an antiderivative of g, which of the following statements is NOT necessarily true. (A)If g(x)>0 for all x, then f is increasing (B)If g(a)=0, then f(x) has a horizontal tangent at x=a (C)If

    asked by Mike
  122. precaculus

    Convert the rectangular coordinate (2,-2) to polar form and find two additional representations of this point. Can you check my work and explain how to finish the question? r=√(2)2+(-2)2 r=2√2 tan theta = (-2)/2 theta = -1 polar coordinate= (2√2, -1)

    asked by Anonymous
  123. Math

    The ratio of adults to children at a park is 2:5.If there are 10 adults at the park, how many children are there?

    asked by Norazizah
  124. Calculus

    Find a quadratic model for the sequence. -4, -4, -3, -1, 2 A.y = 0.5x^2 - 0.5x - 4 B.y = 0.5x^2 - 1.5x - 3 C.y = 4.5x^2 - 21.5x+21 D.y = -4.5x^2 + 21.4x - 21

    asked by Sade
  125. a.p.

    find the sum of n arithmetic means between x and 3x

    asked by warnar
  126. algebra

    1. Tell whether the system has one solution infinitely many solutions or no solution. 6y=-5x+24 2.5x+3y=12 a. one solution b. infinitely many solutions*** c. no solution i know its B but can you solve it step by step for me thank you

    asked by Leslie
  127. Chemistry (percent abundance) *emergency*

    If the average atomic mass of Br is 79.90 amu, what is the percent abundance of each of its isotopes? How would we figure out the isotopes first before we calculate the percent abundance??

    asked by Ray
  128. Chemistry

    Using the fact that fresh water has a density of 1000 kg/m3 , show that 5ppm Pb = 5 mg/L Pb .

    asked by Sam
  129. algebra

    the lateral area of aright circular cylinder is 52 . and the length of the diameter of its base is 8 .find its volume

    asked by basma
  130. math

    a boy spends 3/8 of his money on food and 2/5 of the remainder on books, and had $15.how much did he have

    asked by kelvin
  131. Physics

    A 1750 kg van is travelling down a 10 degrees inclined road at a speed of 6 m/s. If the driver brakes suddenly causing the wheels to lock, determine the distance L his tyres will skid on the road. The coefficient of kinetic friction between the wheels and

    asked by Boxertl
  132. Science

    A 1750 kg van is travelling down a 10 degrees inclined road at a speed of 6 m/s. If the driver brakes suddenly causing the wheels to lock, determine the distance L his tyres will skid on the road. The coefficient of kinetic friction between the wheels and

    asked by Anonymous
  133. Math

    Mandi had 3/4 pound of chocolate. She ate 2/3 of her chocolate. How much did she have left? Use diagram to solve.

    asked by Toni
  134. Physics

    How to get the equivalent resistance in this figure -----------r2------- | | | Battery. R1 R3 | | | -----------R4------ Values: R1= 90 R2= 50 R3= 40 R4= 20

    asked by Amber
  135. History

    How did the Native Americans, African-Americans, and women contribute to Colonial America?

    asked by saww ^-^
  136. Math

    I gave 2/3 of my fish to John then 2/5 to Mary how many fish did I start with

    asked by Connie
  137. Chemistry

    How many aluminum atoms are there in 15.0mg of Al2O3?

    asked by Les
  138. pre calculus

    can you check my work Find two different sets of parametric equations for the given rectangular equation: y=x^2+10 answer: x=t y=t^2+10 x=t^3 y=t^6+10

    asked by Anonymous
  139. US history

    Describe the following in early colonial America.Geography/Economic/social/political. Spanish colonies; French colonies; British colonies; Dutch colonies:

    asked by dumb kid <------
  140. math

    how do i put 32 ninths as a fraction on a numberline

    asked by emily
  141. Math

    The statements p → q and q → r are given. If we know q is true, is p necessarily true? Explain.

    asked by Melissa
  142. precalculus

    Can you check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 answer: x=-y^2+4 x=-t y=-t^2+4 x=-t^3 y=-t^3+4

    asked by Anonymous
  143. physics

    A 2 kg block is being pulled by a rope with a tension of 3N at an angle of 45° as shown. The coefficients of friction are μk=0.4 and μs=0.5. Does the block slide or not?

    asked by mable
  144. Math lovely Math

    A boy had a box of animal crackers. He counted them out and found 20 cookies. 7 elephant cookies 6 tiger cookies 5 monkey cookies 2 zebra cookies Suppose the boy put all the cookies back into the box and took 1 out without looking. What is the probability

    asked by KD35
  145. Algebra PLEASE HELP ME

    find the equation of the straight line through A(3,20) which is perpendicular to the line passing through the points B(-2,8) and C(11,8). Hence, find the area of the triangle ABC, giving your answer in the simplest possible form.

    asked by Veronica
  146. Calculus

    Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. A.1 B.2 C.3 D.5

    asked by Sade
  147. Pre-Calculus

    What is the correct notation for “The limit of x^2 - 1 as x approaches 3? Thank you

    asked by Iris
  148. Stats

    A company is criticized because only 14 of 41 executives at a local branch are women. The company explains that although this proportion is lower than it might​ wish, it's not a surprising value given that only 43​% of all its employees are women. The

    asked by pippin
  149. Math- enqualities

    Jay is creating a playlist and needs at most 180 minutes worth of music. He currently has 45 minutes. How many more minutes of music does Jay need to include in the playlist?

    asked by Leah
  150. Math

    The statements p → q and q → r are given. If we know q is true, is p necessarily true? Explain.?

    asked by Melissa
  151. Physics

    A carnot’s engine with air as working substance is initially at 3270C and pressure of 12 atmospheres. The volume is one litre to start with. The expansion or compression ratio is 1:6. Find the lowest temperature and efficiency. (γ= 1.4)

    asked by Avaneesh Narayan Singh
  152. math

    If side of triangle are in the ratio 3:4:5 and its perimeter is 24 cm, find measure of each side of triangle. How to solve this Questions please show.

    asked by Kamla Devi Public School
  153. precalculus

    Find the standard form of the equation of the hyperbola with vertices (0±3) and asymptotes (y=±3/2x)

    asked by Anonymous
  154. opf girls college

    find the angle of projection for which max height of a projectile is equal to half of its horizontal range?

    asked by mahnoor raza
  155. Mathematics

    A committee of 4 is to be selected from 5 women and 7 men.In how many ways;a)Can this committee be selected? b)Can this committee be selected if 3 men must be included c)Can the committee be selected if at least 3 women must be included?

    asked by Silverln
  156. Math

    If the ratio of the areas of two squares is 8:25 and the side of the smaller square measures 28 cm, find the area of the bigger square?

    asked by Jersey
  157. Math

    In the diagram. AC = 11cm, BC = 5.5cm and B^AC = 25°.It is given that A^BC is an obtuse angle. Calculate A^BC.

    asked by Areeb
  158. Science physics

    what will be the acceleration due to gravity at up planet whose mass is 8 times the mass of the earth and whose radius is twice that of the earth? g=10

    asked by Ankit
  159. math

    you need to fill a bag with 14 kg of oranges. how can you measure 14 kg of oranges using a balance scale and these weights :1kg,5kg and 10 kg

    asked by tasniah
  160. math

    Discuss 5 application areas of assignment methods of Linear programming.

    asked by Farahan
  161. precalculus

    can you check my work I really do not understand. Find the standard form of the equation of the parabola with focus(8,-2) and directrix x=4. answer= (y+2)^2=-16(x-12/8)

    asked by Anonymous
  162. precalculus

    .Find the standard form of the equation of the parabola with focus(8,-2) and directrix x=4

    asked by Anonymous
  163. math! Quantitative methods!

    Discuss 5 application areas of assignment methods of Linear programming.

    asked by jon
  164. English

    Compare the attitudes of warfare in 'Charge Of The Light Brigade' and 'Bayonet Charge.'

    asked by Anonymous
  165. Language arts

    I need various examples on how soccer is different than football. I have to write an essay

    asked by kait
  166. math

    is it possible for system of two linear equations to have no solution.

    asked by Anonymous
  167. h.p.

    1+ 1/1+2+ 1/1+2+3....to n terms.

    asked by warnar
  168. pre calculus

    How would I graph r = cos 5Θ + n cos Θ, 0 ≤ Θ ≤ π For the integers n = -5 to n = 5. ?

    asked by Anonymous
  169. HELP MATH

    What happened? The question was whiped out, Thank you steve for the answer through.

    asked by wtf x
  170. precalculus

    for the question graph r = cos 5Θ + n cos Θ, 0 ≤ Θ ≤ π For the integers n = -5 to n = 5. Does this mean that -5,-4,-3,-2,-1,0,1,2,3,4, and 5 are all on the same graph? I really do not understand polar graphs any help would be much appreciated.

    asked by Anonymous
  171. precalculus

    graph r = cos 5Θ + n cos Θ, 0 ≤ Θ ≤ π For the integers n = -5 to n = 5. I do not understand this question at all. Can you use a similiar example to explain how I would solve this question?

    asked by Anonymous
  172. Chemistry

    Find the Percentage Composition of 0.68g of CaCO3 in 1.3g of antacid tablet. I think it is 680/1300*=approx. 52%

    asked by Akshay
  173. differentiation

    (x^3+yx^3)xy=x^5-y^5

    asked by warnar
  174. STATITICS

    the subway train has 18 doors and starts with 15 passenger. if each passenger is equally likely to get off at any station and the passengers leave the train independently, find the probability that 2 or more passengers leave the train through the same door

    asked by harjeet
  175. math

    beth painted her room by mixing 15 pints of yellow paint with tree pints of green paint. If she used the same ration of yellow to green paint, how much yellow paint would she need if she used 7 pints of green

    asked by T
  176. h.p.

    1.2.3.+2.3.5+3.4.7+...to n terms.

    asked by warnar
  177. Pre-Calculus

    How does the expansion of (x + y)n and (x - y)n differ? If you can offer an example that would be very helpful. Thank you

    asked by Iris
  178. Algebra

    Hello....I was helped on this question earlier, but I don't understand why we divide by 2? Please help, please see the below: The president will order 5 turkey sandwich combos and 7 steak lunches and spends $124.00. The other president will get 10 turkey

    asked by Mary
  179. Math Help

    Pretend you have 2 triangles that are similar. Triangle 1 has sides that are 18 and 24. Triangle 2 has sides that are x and 6. What is the value of x? -6 -8 -30 -72

    asked by Harriet
  180. math

    ((2)/(x-2))^(2)-3((2)/(x-2))+2=0 please explain the steps!

    asked by Kyle
  181. physics

    A 0.035 kg spherical oil droplet has charge of +1×10-7C. A uniform electric field is acting upwards as shown below. What strength of electric field is required to make the sphere float in the air without moving?

    asked by mable
  182. History

    What was king george's reaction to the boston tea party?

    asked by sawwa ^-^
  183. English

    1. I believe the guilty person to be her. 2. I believe the guilty person to be she. 3. The guilty person is believed to be she by me. 4. The guilty person is believed to be her by me. --------------------- Which ones are correct? Do we have to use 'she' or

    asked by rfvv
  184. h.p.

    question 1^2+4^2+7^2+10^2+...to n terms. answer 1/2n(6n2-3n-1)

    asked by warnar iam confused
  185. English

    1. We helped ourselves to all the food. (What is the meaning of 'helped' in this sentence?)

    asked by rfvv
  186. Math

    Sally charges $175 for 5 hours of babysitting. How can I put that into an equation. What is the slope of the line, what is the y-intercept, is it proportional, and is it a function???????

    asked by ROSE
  187. Algebra

    |1-4k| is greater than or equal to -11 How is the answer ALl real numbers

    asked by Anonymous
  188. SS HEEEEEEELLPPPPPPPP@!!!!!!!!!!!!!!!!!!!!!!!

    How Is Communism Important In Chinses History?

    asked by Agala
  189. Math

    -3(×-5y)+1÷2 (4×-10y)

    asked by Norazizah
  190. Math

    Write the expression in standard form by collecting like terms: 12×-3(×-5y)+1÷2(4×-10y)

    asked by Norazizah
  191. a.p.

    the sides of a right angled triangle are in a.p.,prove that they are in the ratio of 3,4,5.

    asked by warnar
  192. math

    Evaluate 13 35 × 5 9

    asked by kim
  193. a.p.

    the sum of four terms of an a.p. is 4 and the sum of product of first and last term and product of middle terms in -38, then find the numbes.

    asked by warnar
  194. Algebra

    How is 9|r-2| < -73 no solutions

    asked by Anonymous
  195. algebra

    simplify. 6/ √3 + 2 A.4/√3 B.12-6√3 C.√3 - 2*** D.3 ***my answer

    asked by Amy
  196. Chemistry

    If an astronaut weights 804n on earth what would he weight on a planet that has 3 times the mass and twice the radius of earth

    asked by William
  197. Algebra

    kx^2-3k+5=0 find the solutions (roots)

    asked by Maria
  198. physics

    Una tabla esta apoyada contra un pared formando un ángulo con la vertical. El coeficiente de roce estatico entre la tabla y el piso es ( μe ). La fuerza de roce de la pared sobre la tabla puede despreciarse. Encuentre una expresión para el máximo valor

    asked by daniela
  199. marian university college

    The molar constant-pressure heat capacity of a certain solid at 4.2 K is 0.43 J K−1 mol−1. What is its molar entropy at that temperature?

    asked by emmanuel