Jojo

Newest questions and responses by Jojo
  1. Algebra 1

    How do I find a, b, c, and d, for cubic equations in word problems.

    asked on May 17, 2018
  2. algebra

    which ordered pair is a solution to the equation y=-5x+4 A.(2,14) B.(5,-29) C.(3,-19) D.(5,-21)

    asked on November 9, 2017
  3. Science

    PLEASE HELP ITS URGENT contact lenses improve your lives. contact lenses are example of an______? A.skeptical B.experiment C.invention D.evidence E.inference F.prototype G.biased H.technology I.hypothesis

    asked on November 7, 2017
  4. algebra

    solve 3/2x-4=16 A.x=20 B.x=13 1/3 B.x=15 1/3 D.30 I got 40/30 but thats not one of the answers

    asked on November 6, 2017
  5. algebra

    Determine the orderd pair is a solution y=x + 2/7 A.(0,0) B.(-1,2/5) C.(1,2/5)*** D.(2,2 2/5)

    asked on November 6, 2017
  6. algebra

    PLEASE HELP ITS URGENT Pizza costs $1.50 per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total cost.

    asked on November 6, 2017
  7. algebra

    Give an example of an open equation? my answer is, x + 4 = 7 Until the value of x is found, it is unknown whether the equation is true or false. am i right?

    asked on November 6, 2017
  8. algebra

    Give an example of an open equation? my answer is, x + 4 = 7 Until the value of x is found, it is unknown whether the equation is true or false. am i right?

    asked on November 6, 2017
  9. history

    What is the mayflower compact? A. a long-term treaty for trade routes with the duch tea company B. a formal method to establish systematic order on the pilgrams C. an economic agreement to freely make and sell goods to the british D. a formal agreement by

    asked on November 3, 2017
  10. history

    French took the lead in colonizing the upper Midwest region. From the early 16th century on, French soldiers, missionaries and fur traders left their slight mark upon the St. Lawrence Valley, the upper Great Lakes and points west. For the early French

    asked on November 3, 2017
  11. history

    How were the Spanish able to conquer two great empires with only a handful of soldiers? First, the Spanish had superior military equipment. They were protected by steel armor and had guns. The Aztecs and Incas relied on clubs, bows and arrows, and spears.

    asked on November 2, 2017
  12. Science

    How should I prepare for a field study and what should I do if there's an accident?

    asked on November 1, 2017
  13. Science

    What do safty symbols look like? What do they mean? provide at least three examples.

    asked on November 1, 2017
  14. algebra

    Is -7+9 = -9+7 A. true B. False C. Open

    asked on October 31, 2017
  15. Language Arts

    How do you know squeaky won't let gretchen win in Raymond's Run

    asked on September 27, 2017
  16. pre algebra

    Given w+10 what is the answer to w+(w-12/2 square *3)*7

    asked on September 17, 2017
  17. Social studies

    Which answer choice lists all of the common nouns in the following sentence? A few days before the race, Squeaky met the girls on the street. (1 point) days, race, Squeaky days, race, street days, race, Squeaky, girls days, race, girls, street••

    asked on May 23, 2017
  18. Chemistry

    8) ( 1 point) What is the maximum number of grams PH₃ that can be formed when 3.4 g of phosphorus reacts with 4 grams of hydrogen to form PH₃? P₄ (g) +6H₂ (g) → 4PH₃ (g) * 3.7 g 6.8 g 45 g 270 g 10. Lead nitrate can be decomposed by heating.

    asked on March 23, 2017
  19. Math

    Marcus bake loaf of bread of banana bread for a party he cut the loaf into equal size . At the end of the party there were 6 pieces left . Explain how you can find the number of pieces in the whole loaf if Marcus told 1/3 of the loaf was left

    asked on March 10, 2017
  20. math

    While working on the roof of his house, John leans a 15 foot ladder against a second story window. If the distance on the ground between the base of the ladder and the house is nine feet, at what height does the ladder reach the second story window? In

    asked on February 8, 2017
  21. Algebra 2

    Evaluate the function when x=1. f(x)=4x-2. Write the input and output as a set of ordered pairs, and identify the domain and range of the ordered pair. (6 points) Ordered Pair: Domain: Range: Write an equation of direct variation that passes through the

    asked on December 3, 2016
  22. American History

    Check my answers? 1. In what way was the government of ancient Athens different from the united states A) Athens was a direct democracy in which citizens ** B) Athens was an oligarchy ruled by the wealthy members of the council of five hundred C) Athens

    asked on October 17, 2016
  23. Physical Science

    A man jogs 8 km/h for 5 hours. How far did the man jog?

    asked on September 21, 2016
  24. Algebra

    2a raised to 2 - 4b raised to 3 - 8c raised to 4 divided by 2abc

    asked on May 27, 2016
  25. physics

    A playground merry-go-round of radius 2.00 m has a moment of inertia I = 255 kg·m2 and is rotating about a frictionless vertical axle. As a child of mass 25.0 kg stands at a distance of 1.00 m from the axle, the system (merry-go-round and child) rotates

    asked on April 3, 2016
  26. physics

    The system of small objects shown in the figure below is rotating at an angular speed of 2.0 rev/s. The objects are connected by light, flexible spokes that can be lengthened or shortened. What is the new angular speed if the spokes are shortened to 0.15

    asked on April 3, 2016
  27. physics

    In a circus performance, a large 5.0 kg hoop of radius 3.0 m rolls without slipping. If the hoop is given an angular speed of 3.0 rad/s while rolling on the horizontal and allowed to roll up a ramp inclined at 10° with the horizontal, how far (measured

    asked on April 3, 2016
  28. physics

    A 1400-N uniform boom at ϕ = 70.0° to the horizontal is supported by a cable at an angle θ = 20.0° to the horizontal as shown in the figure below. The boom is pivoted at the bottom, and an object of weight w = 2250 N hangs from its top. (a) Find the

    asked on April 3, 2016
  29. physics

    A person bending forward to lift a load "with his back" (Figure (a)) rather than "with his knees" can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal supporting force

    asked on April 3, 2016
  30. physics

    A 3.25-kg object is attached to a vertical rod by two strings as shown in the figure below. The object rotates in a horizontal circle at constant speed 6.60 m/s. (a) Find the tension in the upper string. N (b) Find the tension in the lower string. N

    asked on March 29, 2016
  31. physics

    In a popular amusement park ride, a rotating cylinder of radius R = 3.10 m is set in rotation at an angular speed of 4.20 rad/s, as in the figure shown below. The floor then drops away, leaving the riders suspended against the wall in a vertical position.

    asked on March 25, 2016
  32. physics

    Suppose a 1800-kg car passes over a bump in a roadway that follows the arc of a circle of radius 18.4 m as in the figure shown below. (a) What force does the road exert on the car as the car passes the highest point of the bump if the car travels at 9.24

    asked on March 25, 2016
  33. physics

    An air puck of mass m1 = 0.24 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of m2 = 1.3 kg is tied

    asked on March 25, 2016
  34. pysics

    A 50.0-kg child stands at the rim of a merry-go-round of radius 1.65 m, rotating with an angular speed of 3.00 rad/s. (a) What is the child's centripetal acceleration? m/s2 (b) What is the minimum force between her feet and the floor of the carousel that

    asked on March 25, 2016
  35. physics

    A rotating wheel requires 6.00 s to rotate 27.0 revolutions. Its angular velocity at the end of the 6.00-s interval is 97.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel?

    asked on March 25, 2016
  36. physics

    A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge.

    asked on March 25, 2016
  37. Physics

    A partide of mass m moves along a trajectory given by x= a cos δ1 t and y = asinδ2 t . Find rand y component of the force acting on the patde, potential energy, kinetic enenev of the partide and hence show that the total energe E= KE + PE =1/2 m(a*2

    asked on March 13, 2016
  38. Physics

    A pendulum is constructed of a mass m connected to a mass ess rigid rod of lengthl. As shownin the figure, the other end of the rodis suspended from a point on the ring ofradius R. The pendulum is free to swing in a vertical plane that is also the plane of

    asked on March 13, 2016
  39. geometry

    Two overlapping identical circles have radii of 6.17. The area of their overlapping sections is 42.7. How far apart are the centers of the circles? Answer is 6.55

    asked on February 28, 2016
  40. geometry

    Two persons each hold the end of a 20 ft long jumping rope. How far apart should they stand if they hold the rope 4.5 ft off the ground, and the middle of the rope just touches the ground? Assume the arc formed by the jumping rope is circular. I know that

    asked on February 27, 2016
  41. gtuc

    1. WRITE A PROGRAM TO CALCULATRE THE AREA OF A RECTANGLE OF LENGTH =5 CM AND BREADTH=8CM. 2. CALCULATE THE PRICE OF AN ITEM COSTING 100 GHANA CEDIS AFTER A DISCOUNT OF 10% IS APPLIED TO IT. 3. WRITE A PROGRAM TO CALCULATE THE SIMPLE INTEREST ON A LOAN

    asked on February 26, 2016
  42. Art

    Which traits is not symbolized by chinese dragons? Wisdom Benevolence Evil Adaptability •• Correct me

    asked on February 17, 2016
  43. Art

    according to egyptian mythology horus son Kebehsenuef fit who has the head of a hawk. what characteristic might make Kebehsenuef fit for the job of watching a dead mummy vital organs? A kind and caring heart The keen eyes of a bird of pray •• Ingenuity

    asked on February 17, 2016
  44. Math PLZZZ HELPP MEE!!!

    the area of the parallelogram. Quadrilateral top: 5 cm side: 14 cm length: 12 cm *38 cm2 *60 cm2 •• *70 cm2 *168 cm2 3. Find the perimeter of the parallelogram. Quadrilateral top: 10.8 ft side: 5.1 ft length: 2.3 ft *15.9 ft *24.84 ft *31.8 ft ••

    asked on February 17, 2016
  45. Math PLZZ HELP ME!!

    Can someone please explain me how to construct a perpendicular bisector!

    asked on February 16, 2016
  46. Math HELPP!!

    Eric Drew and up to's triangle. Which of the following could be true for Eric's triangle. A: all three angles have equal measures B: possible angle measures of the triangle are 92, 48, and 40•• C: two of the angles are equal, and the third angle has a

    asked on February 16, 2016
  47. Math HELPP!!!!

    as a part of a geometry assignment john drew an equilateral triangle. which of the following dimensions could reprent the side length of the triangle john drew? 10,11,12 13,15,17 16,18,21 17,17,17•• Correct me!!

    asked on February 16, 2016
  48. Math. PLZZZ HELP ME!!!

    Jackson made a poster in the shape of a quadrilateral. Opposite sides of the poster are congruent and parallel. Which of the following names the shape of Jackson’s poster? A.square B.rhombus C.rectangle D.trapzoid•• Correct me

    asked on February 16, 2016
  49. Art

    according to egyptian mythology horus son Kebehsenuef fit who has the head of a hawk. what characteristic might make Kebehsenuef fit for the job of watching a dead mummy vital organs? A kind and caring heart The keen eyes of a bird of pray Ingenuity A

    asked on February 16, 2016
  50. Art

    Which of the best definitions of personification? Giving animals and objects human characteristics•• Developing new characteristics of Personality Giving yourself the characteristics of someone else Giving human characteristics of animals Correct me if

    asked on February 16, 2016
  51. U.s GOVERMENT

    Which Enlightenment thinker wrote that people in society are bound to one another by an implicit 'social contract'? A. Voltaire B. Marie Arouet C. Jean-Jacques Rousseau D. Thomas Paine

    asked on February 3, 2016
  52. physics

    A ball is thrown vertically upward with a speed of 19.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity

    asked on January 31, 2016
  53. physics

    A jet plane lands with a speed of 81 m/s and can accelerate at a maximum rate of −5.00 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest? (b) Can this plane land on a

    asked on January 31, 2016
  54. physics

    A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 2.70 s. (a) Find the average acceleration of the plane. (b) Assuming the acceleration is constant, find the distance the plane moves.

    asked on January 31, 2016
  55. trig

    In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?

    asked on January 23, 2016
  56. physics 1

    A ladder 8.70 m long leans against the side of a building. If the ladder is inclined at an angle of 69.0° to the horizontal, what is the horizontal distance from the bottom of the ladder to the building?

    asked on January 21, 2016
  57. physics 1

    The base of a pyramid covers an area of 13.0 acres (1 acre = 43,560 ft2) and has a height of 481 ft. If the volume of a pyramid is given by the expression V = (1/3)bh, where b is the area of the base and h is the height, find the volume of this pyramid in

    asked on January 21, 2016
  58. physics 1

    A house is 80.0 ft long and 22 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house in cubic meters and cubic centimeters?

    asked on January 21, 2016
  59. economic

    1 THE COPPERBELT UNIVERSITY SCHOOL OF BUSINESS BSP 110 PRINCIPLES OF ECONOMICS 2015 ASSIGNMENT DUE DATE: 4th January 2016 at 10am QUESTION A manufacturing firm in Kitwe has a normal demand curve given by Q = 5,000 – 100P and its total cost curve in the

    asked on January 7, 2016
  60. economic

    1 THE COPPERBELT UNIVERSITY SCHOOL OF BUSINESS BSP 110 PRINCIPLES OF ECONOMICS 2015 ASSIGNMENT DUE DATE: 4th January 2016 at 10am QUESTION A manufacturing firm in Kitwe has a normal demand curve given by Q = 5,000 – 100P and its total cost curve in the

    asked on January 6, 2016
  61. economic

    q = 5,000 - 100p tc= 10,000 - 10q plot the demand curve marginal revenue curve marginal cost curve profit maximising price, quantity, and profits

    asked on December 31, 2015
  62. managerial finance

    Completed all answers except the last one and I am stuck. Can someone please show me how to solve? I can't figure it out and I would like to have the steps so I can learn how to solve. Thank you! Jiminy's Cricket Farm issued a 30-year, 7.2 percent

    asked on November 25, 2015
  63. trinometry

    consider the polar equation r=7 cos(θ+ pi divided by 4) A) change the equation to rectangular coordinates. B) by completing the square, obtain the Standard form of this well-known equation. I NEED HELP WITH THIS PROBLEM I DON'T KNOW WHERE TO START.

    asked on November 20, 2015
  64. Algebra 2

    Give the domain of the function. g(x)= x^3-1 I think the domain is all real numbers. Am I wrong? If so why?

    asked on November 8, 2015
  65. trignometry

    Some equations cannot be solved by symbolic manipulations. Use a graph to find all solutions of the equation sin 8x = 2x - 1. Show the details in a sketch of the graph.

    asked on October 24, 2015
  66. trignometry

    Give a list of solutions, in the interval [0, 360°), in degrees, of the equation 2cos^24θ + 5 cos 4θ = 3.

    asked on October 24, 2015
  67. trignometry

    give answer in radians for the following equation: sin(x)+2sin(x)cos(x)=0

    asked on October 24, 2015
  68. trigonometry

    solve for equation x(give answer in radians using exact values only. 2sin(x)+cot(x)-csc(x)=0

    asked on October 24, 2015
  69. Finance

    You plan to start a

    asked on September 20, 2015
  70. s. economics

    Brooke and Georgia are neighbors. Each have 40 hours per week. Brooke needs 5 hours to paint a beautiful picture and 2 hours to make a picture frame. Georgia takes 8 hours to paint an equally beautiful picture and 4 hours to make a picture frame. What two

    asked on September 1, 2015
  71. chemistry

    If a 0.01M Mn(NO3)2 solution has an ammonia concentration of 6.0M, would a precipitate form? Calculate the ion product and compare to Ksp.

    asked on July 8, 2015
  72. physics

    When a driver presses the brake pedal, his car stops with an acceleration of -8.7 m/s2. How far will the car travel while coming to a complete stop if its initial speed was 10 m/s?

    asked on June 11, 2015
  73. physics

    A marble is flicked horizontally off a desk with a speed of 3.1 m/s. If it takes the marble 0.8 seconds to hit the ground, how far from the desk does it land?

    asked on June 10, 2015
  74. chemistry

    if you are given 25 grams of H2O how many grams of H2 can you produce??? i am lost... help

    asked on June 1, 2015
  75. chemistry

    how many moles of hydrogen would be produced from 16 moles of Na?/ xH2mol/16Namol??/

    asked on June 1, 2015
  76. chemistry

    is the formation of an aqueous solution with water, a physical or chemical property? physical..... because the substance doesn't change.....

    asked on June 1, 2015
  77. chemistry

    how many significant figures are in the measurement 0.002 ml? 2??

    asked on June 1, 2015
  78. chemistry

    what part of the meniscus must be read to accurately record the volume of a liquid in a graduated cylinder??? the lowest of the bubble?

    asked on June 1, 2015
  79. chemistry

    if 15.95 g dissolves in 100ml of water what will be the solubility in g/ml expressed to the proper number of significant figures?/ 15.95/100 =.0595

    asked on June 1, 2015
  80. Social Studies

    explain whether conflict was unavoidable in Colombia. Why or why not? i don't understand.

    asked on May 20, 2015
  81. math

    a ship leaves point A and travels 60 miles due east, then travels northward 59 degrees to point C, and travel 60 miles to point C, find the distance from point A to point C

    asked on May 14, 2015
  82. chemistry

    i'm stumped on how to write this in mathematical form. it says the rate increased by a factor of 2000, I am supposed to determine by what percent the Energy of activation will be reduced. The answer is 25% in the book. I don't know how they get the answer

    asked on April 17, 2015
  83. Science

    In the ocean, there are area's where there are very few living things. _______ is the term that when this happens to a natural area.

    asked on April 8, 2015
  84. Chemistry

    1. What would be the effect on the reaction rate if the [O2] were doubled? 2. What would be the effect on the reaction rate if the pressure on the reaction were doubled? 3. Assume the reaction is reversible and at equilibrium. What shifts in the

    asked on March 25, 2015
  85. chemistry

    A scientist measures the standard enthalpy change for the following reaction to be -172.4 kJ : 2SO2(g) + O2(g) 2SO3(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of SO2(g) is

    asked on March 8, 2015
  86. POL 201

    The Mayflower Compact was a type of early constitution because (Points : 1)

    asked on February 26, 2015
  87. Chemistry

    What is the molarity of a 2.50 x 102 cm3 solution containing 560.0 g of C6H12O6?

    asked on November 6, 2014
  88. English

    Write a paragraph in which you compare and contrast the motivations of Brutus and Cassius, and determine whether the ends justify the means. ("The ends justify the means" is simply saying that the good results, or "ends," make it acceptable, or

    asked on October 28, 2014
  89. stats

    a hat contains a number od cubes: 15 red, 10 white, 5 blue and 20 black,20 years gone and i am back again. one cube at random. what is the probability that it is: a) a red cube? b) not a red cube? c) a cube that is white or black? d) a cube that is neither

    asked on September 28, 2014
  90. stats

    i need help with this Question The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Mean __________

    asked on September 17, 2014
  91. STATS

    i need help with this Question The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Mean __________

    asked on September 17, 2014
  92. Stat

    1) one indicator of a outlier is that an observation is more than 2.5 standard deviations from the mean. Consider the data value 80. (a) if a data set has mean 70 and standard deviation 5, is 80 a suspect outlier? be sure to work that explains your answer

    asked on September 14, 2014
  93. Stat

    when you are comparing two sets of data, and one set is strongly skewed and the other is symmetric, which measures of the center and variation should you choose for the comparison?

    asked on September 14, 2014
  94. chemistry

    what is the initial rate of the reaction, in mol/(L*s), under theswe conditions? Concentration=0.40 mol/L

    asked on September 4, 2014
  95. chemistry

    nitrosyl bromide, NOBr is formed from NO and Br2-. Experiments show that this reaction is second order in NO and first order in Br2. what is the rate equation for this reaction?

    asked on September 3, 2014
  96. chemistry

    The vapor pressure of ethanol is 54.68 mm Hg at 25oC. How many grams of chlorophyll , C55H72MgN4O5, a nonvolatile, nonelectrolyte (MW = 893.5 g/mol), must be added to 207.6 grams of ethanol to reduce the vapor pressure to 53.60 mm Hg ? ethanol = CH3CH2OH =

    asked on August 26, 2014
  97. chemistry

    calculate the Henry's law proportionality constant for N2? partial pressure at 1 atm=0.78 atm solubility at 1 atm= 5.3 x 10^-3 mol/L

    asked on August 25, 2014
  98. chemistry

    what is the solubility of N2 at a pressure of 10 atm? partial pressure at 1 atm=0.78 atm solubility at 1 atm= 5.3 x 10^-3 mol/L

    asked on August 25, 2014
  99. chem

    at a depth of 100m underwater the water pressure is equal to 10 atm of pressure. what is the partial pressure of N2 at a pressure of 10 atm?

    asked on August 25, 2014
  100. chemistry

    A 35.0g sample of ethylene glycol is dissolved in 500.0g of water. The vapor pressure of water at 32C is equal to 35.7mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32C?

    asked on August 24, 2014

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