Newest questions and responses by Joey
  1. Math

    The cost of admission to the State Fair changed from $8.50 last year to $10.00 this year. Round to the nearest tenth. Show your work a.) What is the percent of change from last year to this year? b.) Is this a percent of increase or decrease? c.) If you

    asked on December 11, 2018
  2. journalism

    You have recently been hired as the news director for a local news station. It’s time to prep for your first newscast. Your newscast will have five blocks and will be 60 minutes long. You need to cover the following in your newscast: Scores from last

    asked on December 3, 2018
  3. Pre-Algrebra

    Two cell phone companies have different rate plans. Runfast has monthly charges $10 plus $4 per gig of data. B A &D’s monthly charge is $6 plus $6 per gig of data. Your task, is to determine under what circumstances each company has the better pricing.

    asked on June 1, 2018
  4. Social Studies

    I have to write a poem about life in Carribien South America today. But the problem is I can't find any good sources and credible sources, and even if I did have some I don't know how to start writing a poem. Could you give me some sources for it, and an

    asked on May 10, 2018
  5. Math

    Sixteen teams are playing in a basketball tournament. Each team will play one game against another team during the first round of the tournament. There is only one gym, so only one game can be played at a time. They have 6 hours to complete the first

    asked on March 23, 2018
  6. Math

    In the center of the library is a fountain that holds 500 gallons of water. For every 25 gallons of water they must add 1/4 cup of water treatment. How many cups of water treatment must they add to the fountain to treat the 500 gallons of water?

    asked on March 6, 2018
  7. Mathematics

    Does anyone have an idea? A jazz band sells 31 large boxes of fruit and 74 small boxes of fruit for a fundraiser. a. Write and simplify an equation using distributive property to find the profit. b. A large box of fruit costs $9 and a small box of fruit

    asked on November 15, 2017
  8. math

    what is 1.07 x 10^3 in standard form

    asked on November 8, 2017
  9. Geometry

    the steps that you would follow to recreate a triangle using a protractor, a string, and the AAS Congruence Theorem, written out in words. I'm lost know that you need two angles and a side.No clue how to explain. Please help I've been sitting here all day

    asked on October 27, 2017
  10. Chemistry La

    An unknown solution may contain some of the cations listed below. One student preformed a series of experiments to determine what ions are in the solution. Based upon the experiments performed by the students, the results are as follows: a) On addition of

    asked on October 5, 2017
  11. Maths

    Solve algebraically: x^2 + y^2 = 18 x - 2y = -3. Thanks.

    asked on March 30, 2017
  12. Maths

    Prove algebraically that the difference between any two different odd numbers is an even number. Thanks.

    asked on March 30, 2017
  13. Math

    A woman drove her car on a road running due north at a given rate for 6 hours. She continued her trip on an unsaved road due east for 5 hours at a rate of 4mph slower. Had she been able to go to her destination in a straight line from her starting point

    asked on February 2, 2017
  14. Geometry

    7. What is the surface area of a conical grain storage tank that has a height of 24 meters and a diameter of 16 meters? Round the answer to the nearest square meter. (1 point) 837 square meters 848 square meters 1,991 square meters 1,923 square meters 8.

    asked on January 23, 2017
  15. Marh

    the volune if a right circular cylinder is 22 cubic what us the volume in cubic cemimters of a rught cubic cylande with twice the radius and half the height

    asked on January 10, 2017
  16. 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 on December 12, 2016
  17. 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 on December 12, 2016
  18. Math

    Construct a polynomial g(x) with integer coefficents and roots 1, 2/3, and 4i

    asked on December 8, 2016
  19. Physics

    A wheel rotating initially at an angular velocity of 1.0 rad/s, accelerates over a 10 S interval at a rate of 0.1 rad/s^2. What angular displacement does the wheel undergo in this 10 S interval, in terms of revolutions?

    asked on November 21, 2016
  20. Physics

    A 1 kg mass attached to a 1 m string is rolled around in a horizontal circular path with an angular velocity of 100 RPM what is the tension of the string? Please show how you got your answer.

    asked on November 21, 2016
  21. show low high school

    he first number is 3 more than the second number. the sum of the number is 25. find the number.

    asked on November 4, 2016
  22. Math (Fraction Word Problem)

    You have three-fifths of a pizza leftover, and you plan to eat half of it for lunch. How much of the original pizza do you have left over? If I have 3/5 of a pizza leftover and I plan to eat 1/2 of it for lunch doesn't that mean you have to divide? This is

    asked on October 27, 2016
  23. Math

    A rectangle, a circle, and a triangle are drawn in a plane. what is the maximum possible number of points of intersection? The sides of the triangle are not collinear with any of the sides of the rectangle.

    asked on October 25, 2016
  24. Physical

    A motor car travelling at 14m/s on dry flat surface should be able to stop in 14m.Assuming the deceleration to be uniform. Given: its value and the corresponding bracking time is -7m/s^2 , 2 sec Calculate the distance travelled during the first second

    asked on October 22, 2016
  25. 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?

    asked on October 9, 2016
  26. math

    5x3=? A 8-- B 2 C 15 D 4

    asked on October 6, 2016
  27. Math

    Write an equation of the line that passes through (-5,-1) and is parallel to the line y=4x-6

    asked on September 1, 2016
  28. Finance / Econ

    A business invests $8,000 into an account that has 5% interest per-year. Annual inflation is 3.5 % over the next 5 years. Determine the inflation rate per half year? I tried doing this: MARR_R = (1+MARR_C)/(1+f) - 1 --> 6% = (1+MARR_C)/(1+3.5%) - 1 -->

    asked on August 28, 2016
  29. Chemistry

    How many molecules are in 5.2L of carbon dioxide gas?

    asked on July 14, 2016
  30. math

    1. If AC=60 what is AB ? 2.If AB=9x=17 and BC=4x+27 find the following x=_____ an AC=______ ? 3.If m ∠ABD=20 find the following measurements M∠CBE=____ M∠DBC=_____ M∠ABE=_____ M∠DBE=_______

    asked on June 27, 2016
  31. mathemarics

    Given the point m(-3,-4) is the midpoint of XY and that X(7,4)answer the following ; A Find the coordinates of Y . B Find the distance between X and Y ?

    asked on June 27, 2016
  32. geometry

    1.)find the distance between A(-1,1) and b(7,-2) 2.) find the mid poiny of AB

    asked on June 27, 2016
  33. geometry

    find the distance between A(-1,1) and b(7,-2)

    asked on June 27, 2016
  34. geometry

    Find the value of x. x = 18x = 22.5x = 30x = 54 is like a like two line almost forming an X and on the left side it says (x+90) and on the right side it says 4x

    asked on June 24, 2016
  35. geometry

    find the value of each variable. A. x=38, y=76 B. x=52, y=76 C. x=38, y=104 D. x=52, y=104

    asked on June 24, 2016
  36. geometry


    asked on June 21, 2016
  37. Math-Calc

    Water is leaking out of an inverted conical tank at a rate of 14000.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 8 meters and the diameter at the top is 6.5 meters. If the

    asked on May 25, 2016
  38. Calculus

    A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the top of a 50 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted.

    asked on April 30, 2016
  39. Pre Calculus

    A cylinder shaped can needs to be constructed to hold 200 cubic centimeters of soup. The material for the sides of the can costs 0.02 cents per square centimeter. The material for the top and bottom of the can need to be thicker, and costs 0.06 cents per

    asked on April 29, 2016
  40. Pre Calculus

    A piece of cardboard measuring 13 inches by 11 inches is formed into an open-top box by cutting squares with side length x from each corner and folding up the sides. a. Find a formula for the volume of the box in terms of x b. Find the value for x that

    asked on April 29, 2016
  41. Math

    I need help please. 11 1/9% of what number is 900?

    asked on April 18, 2016
  42. Algebra

    A ladder is placed against the side of the house. The top of the ladder is 12 ft above the ground. The base wof the ladder is 5feet away from the house. Find the length of the ladde.

    asked on April 4, 2016
  43. Physic

    ON is the vertical plumb line.A horizontal force F applies at M to push the piston at O and N,with the help of rods MO,MN.The rods MO,MN have the same length,when the distance of ON is 200cm,the distance of M to the plumb line ON is 10cm.Assuming the

    asked on March 28, 2016
  44. Chemistry Dimensional analysis

    A cyclist rides at an average speed of 18 miles per hour. if she wants to bike 212km, how long in hours must she ride? What I have so far.. 212km(10^3 miles

    asked on February 8, 2016
  45. Chemistry

    A 0.200 g sample of carbon dioxide, CO2, has a volume of 525 mL and a pressure of 473 mmHg . What is the temperature of the gas in kelvins?

    asked on November 27, 2015
  46. Math

    The quotient of two proper fractions is less than 1

    asked on November 19, 2015
  47. Calculus

    The volume V of a growing spherical cell is V =4/3πr^3, where the radius is measured in micrometers (1 µm = 10^−6m). Find the average rate of change of V with respect to r when r changes from 3 to each of the following. i)3 to 6µm ii)3 to 4µm

    asked on November 1, 2015
  48. physics

    A novice golfer on the green takes three strokes to sink the ball. The successive dis- placements are 7 . 7 m to the north, 1 . 9 m 45 ◦ north of east, and 8 . 7 m 76 ◦ west of south. Starting at the same initial point, an expert (lucky) golfer could

    asked on October 29, 2015
  49. physics

    Two identical charges, each -8.00 x 10-5 C, are separated by a distance of 25.0 cm. Find the electric force between them?

    asked on October 27, 2015
  50. Calculus

    Differentiate. g(x) = 5e^x√x

    asked on October 5, 2015
  51. Vince

    Please show work for Determine the final end (final) value of n in a hydrogen atom transition, if electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 X 10^-18J? thank you very much for your help

    asked on September 17, 2015
  52. Chemistry

    Noble gases are the least reactive because they have a perfect 8 valence electrons. Or is it because they do not have any unpaired electrons like the rest of the elements.

    asked on July 4, 2015
  53. Chemistry

    If I were to explain to someone about how to find a charge of an element, would anyone agree with this: The charge of an element is determined by the gain or lose of electrons. Depending on how close they are to the left/right side of the periodic table

    asked on July 3, 2015
  54. Chemistry Subatomic particles

    Fill in the chart (Numbers correspond to each other[I.E 1 in 1st group connects with 1in 2nd]) Subatomic particle found 1.Proton 2.Neutron 3.Electron Scientist 1.Rutherford 2.Chadwick 3.Thomson Experiment 1.Gold Foil Experiment? 2.? 3.Cathode Ray Tube Data

    asked on June 30, 2015
  55. Chemistry

    How come lead is denser than copper though more copper atoms can fit into a same size cube than lead atoms can?

    asked on June 29, 2015
  56. chimistry

    The molar heat of fusion of lead (Pb) is 1.140 kcal/mol. How much heat must be added to 97.0 g of solid lead at its melting point in order for it to completely melt? A 1.44 kJ B 10.18 kJ C 12.48 kJ D 25.04 kJ

    asked on June 24, 2015
  57. Chemistry

    What is the pH, pOH, [H+] and [OH-] for a solution that contains 5.25 x 10^-3 moles of HCl dissolved in 3.25 L of water? I was gone the day my teacher explained this and I'm completely lost on what to do. An outline of steps needed to solve the problem

    asked on May 9, 2015
  58. math

    The volume inside a rectangular storage room is 2,025 cubic feet. The room is 9 feet high. Find the area of the floor.

    asked on April 28, 2015
  59. math

    The area of the base of a rectangular juice box is 4 1/2 square inches. If the volume of the box is 18 cubic inches, how tall is the box?

    asked on April 28, 2015
  60. Physics

    An object with a net charge of 20 µC is placed in a uniform electric field of 627 N/C, directed vertically. What is the mass of the object if it floats in the electric field?

    asked on April 20, 2015
  61. Calculus

    The management of the UNICO department store has decided to enclose an 870 ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and

    asked on April 13, 2015
  62. Physics

    A 4.12 kg mass undergoes an acceleration along both the x and y directions. Ax = -2.60 m/s2 and Ay = 3.50 m/s2. Find the magnitude of the resultant force. Answer in units of N.

    asked on March 3, 2015
  63. Business Math

    Newcastle auto plc has a current cash flow of 4.4 million and pays no dividends. The Present value of the company ´s future cash flows is 74 million. The company is entirely financed with equity and has 800.000 shares outstanding. Assume the dividend tax

    asked on February 9, 2015
  64. Corporate Finance

    Newcastle auto plc has a current cash flow of 4.4 million and pays no dividends. The Present value of the company ´s future cash flows is 74 million. The company is entirely financed with equity and has 800.000 shares outstanding. Assume the dividend tax

    asked on February 9, 2015
  65. math

    jeff has a big scoop of ice cream that is 10 inches tall it melts by 25% in a minute whats the height of the ice cream after one minute

    asked on February 8, 2015
  66. math

    jeff has a big scoop of ice cream that is 10 inches tall. it melts by 25%in a minute.whats the height of the ice cream after one minute

    asked on February 8, 2015
  67. Math 120

    Write 4logb(X)-1/3logb(y)+2logb(z)as a single logarithm Its log base b.

    asked on December 4, 2014
  68. Chem

    The acidic H is almost always attached to an Oxygen Why is that?

    asked on December 2, 2014
  69. Physics

    The graph shows the temperature versus time relationship for 2kg of particular substance. The substance is in the solid state at a temperature of 20 degrees Celsius b) If 200 joules of heat is added during the time interval B(20 degrees Celsius) to C(80

    asked on November 14, 2014
  70. Physics

    The graph shows the temperature versus time relationship for 2 kg of particular substance. The substance is in the solid state at a room temperature of 20 degrees Celsius. - The 100 joules of heat is needed to completely change the substance from a solid

    asked on November 14, 2014
  71. Chemistry 400/ Chem 1A

    Assuming that the resolution of an electron microscope is equal to the deBroglie wavelength of the electrons used, what is the resolution of an electron microscope (in nm) when the electrons are accelerated to a speed of (5.60x10^5) m/s?

    asked on October 29, 2014
  72. Calculus

    A light is hung 15 ft above a straight horizontal path. If a man 6 ft tall is walking away from the light at the rate of 5 ft/sec, how fast is his shadow lengthening and at what rate is the tip of the man’s shadow moving?

    asked on October 6, 2014
  73. Chem 400

    Direct reaction of solid iodine (I2) and gaseous chlorine (Cl2) produces an iodine chloride,(IxCly), a bright yellow solid. 0.678 g of iodine (I2) is mixed with 0.851 g of chlorine (Cl2). After the elements react, some chlorine is left over along with a

    asked on October 2, 2014
  74. Chem 400

    A 55 uL of hexane is injected in a mass spectrometer. how many protons are in the 55 uL injection? (density Hexane= 0.6548 g/mL)

    asked on October 2, 2014
  75. Chemistry

    Assume that the width of your body (across your shoulders) is 50.8 cm inches and the depth of your body (chest to back) is 25.0 cm. If the atmospheric pressure is 14.9lb/in^2, what mass of air (lb) does your body support when you are in an upright

    asked on September 24, 2014
  76. Chemistry 400/ Chem 1A

    A chemist mixes 5.216 g of potassium permanganate, 2.318 g of ethanol, and excess sulfuric acid. These chemicals react as follows: 4 KMnO4 + 5 C2H5OH + 6 H2SO4 ---> 4 MnSO4 + 5 CH3COOH + 2 K2SO4 + 11 H20 What mass of sulfuric acid is consumed in this

    asked on September 16, 2014
  77. physics, math

    Part A & B are 0.10m apart. A point charge of +3.0*10^-9C is placed at A and a point charge of +1.0*10^-9C is placed at B. X is a point on the straight line through A and B. If a third charge C or charge 1.5*10^-9 is placed at X, where must X be for the

    asked on September 15, 2014
  78. Math Question

    Five students measure their height using different units. Andrew is 176 cm, Brittney is 5'4", Calvin is 1.8 yards, Don is 54 inches, and Elisha is 1.6 metres. Arrange the students from shortest to tallest. I don't know how to deal with different units! A

    asked on July 18, 2014
  79. science

    A force of 20 n gives a ball an acceleration of 4.0 m/s3 on a lever frictionless surface. what is the mass of the ball?

    asked on June 17, 2014
  80. Physics

    A 250g wood block firmly attached to a horizontal spring slides along a table with a coefficient of friction of 0.40. A force of 30.N compresses the spring 20cm. If the spring is released from this position what will be the block's speed when it passes

    asked on June 5, 2014
  81. sitcom analysis

    raising hope: what does jimmy see in sabrina?

    asked on April 24, 2014
  82. sitcom analysis

    why does jimmy feel his relationship is doomed? raising hope:

    asked on April 24, 2014
  83. Precalculus

    The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line with a slope of -0.4 . Suppose that the height of the candle after 13 hours is 24.8 centimeters. What

    asked on March 24, 2014
  84. trig

    Find csc(theta), tan (theta), and cos (theta), where theta is the angle shown in the figure. Give exact values, not decimal approximations c=10 b=7 a=7.14 the right angle is locate between sides a and b and the theta angle is an acutle angle sides b and c.

    asked on March 24, 2014
  85. trig

    Suppose that Magnus' blood pressure can be modeled by the following function {{{p(t)=83-18sin(71pi*t)}}} Magnus' blood pressure increases each time his heart beats, and it decreases as his heart rests in between beats. In this equation, p(t)is the blood

    asked on March 23, 2014
  86. Applied Math (Biological application)

    The deformation y(t) of heart muscle from its rest position after t seconds can be modelled as a spring-mass system, described by the differential equation: my" + vy' + ky = F(t) where m, v, and k are positive constants denoting the mass of the myocardial

    asked on March 19, 2014
  87. Trigonometry

    Mountain officials want to build a new ski lift from B to C as shown in the figure below. The distance from A to C is 1480 feet. They measure angle DAC to be 32 degrees and angle DBC to be 18 degrees. What is the distance A from to B? Round your answer to

    asked on March 18, 2014
  88. English

    I am 3/7 of a chicken,2/3 of a cat and 2/4 of a goat. What am I?

    asked on January 26, 2014
  89. math

    4x7-9^4= please help me im super stuck

    asked on January 14, 2014
  90. evolution article. Please help!!!

    Hi , I am having a very difficult time finding an article that contains a misconception about evolution . The article had to be be published within in this past year. Please help !!! thank you!!

    asked on November 30, 2013
  91. Physics

    A 55.0kg cheerleader uses an oil-filled hydraulic lift to hold four 130kg football players at a height of 1.20m. If her piston is 19.0cm in diameter, what is the diameter of the football players' piston?

    asked on November 14, 2013
  92. phyics

    A hand exerciser utilizes a coiled spring. A force of 86.9 N is required to compress the spring by 0.0231 m. Determine the force needed to compress the spring by 0.0432 m.

    asked on November 12, 2013
  93. phyics

    An object on a vertical spring oscillates up and down in simple harmonic motion with an angular frequency of 25.1 rad/s. Calculate the distance d by which the spring stretches from its unstrained length when the object is allowed to hang stationary from

    asked on November 12, 2013
  94. phyics

    When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 5.0 x10-7 m and a maximum speed of 3.3 x10-3 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b)

    asked on November 12, 2013
  95. phyics

    An object on a vertical spring oscillates up and down in simple harmonic motion with an angular frequency of 25.1 rad/s. Calculate the distance d by which the spring stretches from its unstrained length when the object is allowed to hang stationary from

    asked on November 12, 2013
  96. phyics

    A 0.20-kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. The simple harmonic motion that occurs has a maximum speed of 1.1 m/s. Determine the amplitude A of the motion.

    asked on November 12, 2013
  97. phyics

    An object in simple harmonic motion has an amplitude of 0.202 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion

    asked on November 12, 2013
  98. math

    celeste hiked 1.8 miles in 0.75 hour. What is her average rate of speed?

    asked on November 11, 2013
  99. Science

    How long will a skateboarder be out if they decide to travel for 654 meters with a velocity of 1.2 m/s

    asked on November 5, 2013
  100. Statistics

    A local grocery store wants to estimate the mean daily number of gallons of milk sold to customers. Assume the number of gallons sold follows the normal distribution, with a population standard deviation of 5.10 gallons. A random sample of 60 days shows

    asked on October 28, 2013


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