Isabelle

Newest questions posted by Isabelle
  1. Math help

    Can someone please help me? I've been stuck on this for two days Leo is planning a trip with his friends by renting a bus. He found that the bus costs $75.50 for 5 people. If he is planning to go with 13 people and himself, how much money will Leo pay for
  2. Algebra

    Leslie decides to join the gym. She must pay a monthly fee plus a one-time fee to open a membership. This situation can be modeled by the expression 55x + 80. Explain how each number and letter in the expression relates to the problem. Pls help I'm
  3. math

    89.75 scooter;7 1/4% tax
  4. Physics

    Tammy leaves the office, drives 51 km due north, then turns onto a second highway and continues in a direction of 31◦ north of east for 82 km. What is her total displacement from the office? Answer in units of km. At what angle is her displacement?
  5. Physics

    A novice golfer on the green takes three strokes to sink the ball. The successive displacements are 5.5 m to the north, 5.3 m 45◦ north of east, and 8.6 m 13◦ west of south. Starting at the same initial point, an expert (lucky) golfer could make the
  6. Physics

    A vector drawn 8.5 cm long represents a force of 22 N. What force does a vector that is 16.8 cm long, drawn to the same scale, represent? Answer in units of N.
  7. Physics

    A vector drawn 4.7 cm long represents a force of 37 N. How long would you draw a vector for a force of 303.1 N? Answer in units of cm
  8. PE

    a(n) _______ is a substance that helps in the chemical digestion of food A epiglottis B Enzyme C Gallbladder D peristalsis
  9. Art 7th Grade

    Which type of line was not used to create this image A. Curved B. Diagonal C. Horizontal D. Zig Zag.
  10. La

    After the daughter in "Two Kinds" has grown up her mother and for us to give her a piano for her birthday. This action shows that her mother.
  11. Art 7th Grade

    These buildings were created for a utilitarian purpose. Which of the following changes would not be practical to enhance the purpose of the building. 1:Adding additional windows to each apartment building 2:Attaching movie screens on the side of each
  12. Chemistry

    How many milliliters of a 5.15 M stock solution are needed to prepare 375 mL of a solution having 7.50 mg of methanol per mL of solution?
  13. Math

    Two jugs are filled with water. If you remove 1 liter of water from the first jug, then the two jugs contain the same amount of water. If you remove 2 liters from the second, then the second jug would contain half as much as the first. How many liters of
  14. Math

    Let the function a@b be defined as 3a + 2b for all real numbers a and b. If u and v are real numbers for which u@v =v@u = 20, what is the value of 2u@3v?
  15. Algebra

    If a positive two-digit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. What is the two-digit integer?
  16. Math

    The sum of three numbers is 975. If you subtract x from each of these numbers you obtain 12, 345, and 126 respectively. What is x?
  17. Math

    A rope hangs from the ceiling. It reaches the floor exactly. It's 4 feet from the wall. When it's pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?
  18. Math (check my work)

    Angle A measures (x + 13) °. Angle B is complementary to angle A and measures (2x +23) °. a. Write and solve an equation to find the value of x. Not sure how to write the equation but the value of x = 18 b. What are the measures of angle a and angle b?
  19. Math

    Eight oranges cost $1.00. How much will 5 dozen oranges cost?
  20. physics

    A cue ball (mass = 0.145 kg) is at rest on a frictionless pool table. The ball is hit dead center by a pool stick, which applies an impulse of +1.45 N · s to the ball. The ball then slides along the table and makes an elastic head-on collision with a
  21. Math

    May is swimming steadily in a pool. She completes 5 laps in 4 minutes. Joy is also swimming in the same direction and she swims 4 laps in 5 minutes. At 10 AM Joy just head of May. At 10:15 AM, how many times will May pass Joy?
  22. English (I really need help!)

    I need one more haiku for my assignment(I have already created 4, I need 5) My brain has run out of ideas! It should be about "A Lost Love"
  23. English

    I need one more haiku for my assignment(I have already created 4, I need 5) My brain has run out of ideas! It should be about "A Lost Love"
  24. Maths

    A woman is 3 times as old as her daughter.six years ago,the sum of their age was 36.find the daughter's age.
  25. Physics

    A ball is tossed straight up into the air with a velocity of 37 m/s. What is its velocity at the top of its flight?
  26. Physics

    A car travels along a straight stretch of road. It proceeds for 16.1 mi at 56 mi/h, then 24 mi at 46 mi/h, and finally 36.9 mi at 37.3 mi/h. What is the car’s average velocity during the entire trip? Answer in units of mi/h.
  27. Geography

    "As stormwater travels faster in creeks, it would enter the ocean at a faster rate, therefore, having the potential to strip away sand and erode the shoreline" Is this correct?
  28. Math

    Find all y such that the distance between the points (4, 3) and (8, y) is 11.
  29. English

    I have a summer reading assignment for the high school I am going to be attending. I am reading Lord of the Flies, and I have to write a 4-essay paragraph on it. They are very specific about what they want on the essay. I already have two paragraphs done,
  30. Physics

    In class, we built a model of a roller coaster that would be one-hundredth of the size of the roller coaster if it were to be built in real life. On the model we built, 3.38G's were recorded. Would the amount of G-forces on the model roller coaster remain
  31. Math

    The width of a picnic table is 3 times its length. If the length is 5/6 yards Long, what is the area in square feet?
  32. Chemistry

    How is a 2.0 M solution of HF different from a 2.0 M solution of acetic acid? Would the two solutions have the same pH level? Why or why not? Please help!
  33. Math

    At an ice cream there there are 10 flavors of ice cream, four toppings, three types of sprinkles, and either whipped cream or chocolate sauce. How many combinations of ice cream are there? 10*4*3*2=240 combinations I think its 240 combinations but am not
  34. physics please help

    the potential difference across a load is 9V. explain what this means in more fundamental terms.
  35. physics

    the speed of a wave in a 4 m rope is 3.2 m/s. what is the frequency of the vibration required to produce a standing wave pattern with 1 antinode? 2 antinodes? 4 antinodes? please help!!! i don't understand how to do this
  36. physics, how to find the height

    a ball is launched at an angle to the ground with an initial speed of 65m/s. at it's maximum height it has a speed of 26m/s. determine it's maximum height.
  37. physics, how to find the height

    On the surface of a planet an object is thrown vertically upward with an initial speed of 60 m/s. use a conservation of energy approach to determine the object's speed when the object is at a quarter of it's maximum height. (assume the planet has no
  38. physics please help

    On the surface of a planet an object is thrown vertically upward with an initial speed of 60 m/s. use a conservation of energy approach to determine the object's speed when the object is at a quarter of it's maximum height. (assume the planet has no
  39. physics please help

    a 65 kg bag is dragged along a 12m ramp in order to get from the ground to the floor of the loading dock 2m above the ground. determine the efficiency of of the ramp. The frictional force acting on the bag is 50N due to the ramp. I don't understand how to
  40. physics

    a 65 kg bag is dragged along a 12m ramp in order to get from the ground to the floor of the loading dock 2m above the ground. determine the efficiency of of the ramp. The frictional force acting on the bag is 50N due to the ramp. I don't understand how to
  41. physics

    a 65 kg bag is dragged along a 12m ramp in order to get from the ground to the floor of the loading dock 2m above the ground. determine the efficiency of of the ramp. I don't understand how to the find the energy output and input.
  42. physics

    a 7 kg ball is thrown into the air from ground level with an initial velocity of 24m/s. Determine the ball's maximum height. Use conservation of energy. help!!!
  43. please help, math question

    A matte of uniform width is to be placed around a painting so that the area of the matted surface is equal to the area of the painting. If the dimensions of the painting are 15 cm and 10 cm, find the width of the matte. The answer is supposed to be 2.5 cm
  44. Math, please help

    A matte of uniform width is to be placed around a painting so that the area of the matted surface is equal to the area of the painting. If the dimensions of the painting are 15 cm and 10 cm, find the width of the matte. The answer is supposed to be 2.5 cm
  45. physics

    Arann launches a rock into the air such that it rises 20.0 m in the first third (time wise) of its ascent to maximum height. Determine the rock's maximum height and launch speed. Determine the time(s) at which the ball is at a height of 10m. PLEASE HELP
  46. Physics

    A space craft made up of two parts with masses m1 = 2.3 kg and m2 = 3.4 kg is held together by explosive bolts against a spring. The spring is compressed by 73.0 cm and has negligible mass. After the bolts are exploded m1 is found to have a speed of 3.6
  47. Math

    Given that a^33 = -2p; a^74 = 26p, what is a^1?
  48. Math

    1. If one wishes to accumulate a Php 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly? 2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate Php 50,000 in 15 years 3. Suppose
  49. Geometry

    2.Given two segments with lengths x and y (x does not equal y), which three special parallelograms meet the three sets of given conditions? a. One diagonal has length x, the other has length y. b. The diagonals intersect at right angles. c. Both diagonals
  50. Geometry

    What type of quadrilateral is formed by connecting the points (0,0), (3x,b), (18x,b), and (15x,0)? How would I solve this?
  51. math

    can you me the answer from fraction must be in simplest form!!!!
  52. Physics

    A 100 g mass is attached and wrapped around an apparatus at a constant radius of 10 cm. The hanging mass is dropped and obtains a speed of 0.2 m/s after 1 m. Using energy considerations, what is the moment of inertia of the apparatus?
  53. English II - Concluding an essay!!!

    Hi, I really need help concluding my essay on Othello. My thesis is: The worldly Emilia and Bianca create a strong contrast against the virtuous and innocent Desdemona, reinforcing the tragedy of her death and Othello's crime. What I have for my conclusion
  54. science

    Create a diamante poem about acids and bases.
  55. Chemistry

    Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?
  56. Math

    I'm in 5th grade and here's my question: I have to write which fraction represents the ratio of corresponding sides? There are 2 triangles. One triangle has the measurements 3in., 9in. and 6in. The other triangle is 18in., 54in. and 36in. Thank you.
  57. chemistry

    The Clapeyron-Clausisus Equation is ln(P2/P1) = dHvap/R [(1/T1)-(1/T2)]. Assuming that dHvap doesn't change with the temperature, this equation relates the change in vapor pressure and temperature to a substances enthalpy of vaporization (R is the molar
  58. chemistry

    calculate the water vapor pressure of benzene at 0.80, 0.60, 0,40, and 0.20 mole fraction and toluene at 0.20, 0.40, 0.60, and 0.80 mole fraction.
  59. Spanish

    I have to compare two activites-like one is more interesting, or more fun, etc; Did I do it correctly-thank you for checking this- Tocar la piano es más divertido que tocar la guitarra. Montar a caballo es más interesante que caminar el gato. Cantar es
  60. physics

    Which statements are true for the resistivity of a metal conductor: It depends on the temperature of the material. It becomes smaller as the cross-sectional area of the material becomes smaller. It is positive for copper but negative for carbon. It has
  61. Math

    If the square root of a number is an integer, the number is called a perfect square. one example of a perfect square is a.) 50 or b.) 81
  62. Astronomy

    We can calculate the kinetic energy of any moving object with a very simple formula: kinetic energy = 1/2 mv^2 ,where m is the object's mass and v is its velocity or speed. Table Energy Comparisons shows that metabolizing a candy bar releases about 10^6
  63. 7th grade

    What is a good definition of mercantilism? I don't understand when all the definitions talk about economic systems of national wealth. Thank you!
  64. French

    toi / la / aimer / la / moi / fête / mieux / et / nous / faire i am supposed to unscramble and conjugate these and make a sentence i cant figure one out that makes sense
  65. 9th grade

    A person standing on Mars would weigh 38% of his earth weight. What is the Mars weight of a person with an earth weight of 55 kilograms?
  66. trig

    how come you get different answers if you take different paths in trigonometry? (when you choose to use sin, cos or tan)
  67. geometry

    what is the surface area of a box, that has the length of 15 in , a width of 8 in . and a height of 3 in.
  68. math

    is 1 a composite number or a prime number?
  69. art

    i don't understand how rhythm of principles of design works, either
  70. art

    what is the difference between unity and emphasis?
  71. 6th Grade Math

    I don't really understand the rules for adding and subtracting integers. Can someone explain them to me?
  72. English----Writing

    I have an English project I am currently working on that focuses on the novel "Animal Farm" by George Orwell. My team and I are writing a revolutionary newspaper that would have been printed on the farm in order to turn, (or at least attempt to turn) the
  73. 4TH GRADE URGENT LATE MATH HOMEWORK!!!!

    What shape has the same number of vertices as faces? Thanks!
  74. algebra

    Superman the Escape in CAlifornia is the fastest roller coaster in the world. Riders fall 415 feet in 7 seconds. Speeds reach a maximum of 100 miles per hour. If x represents the average rate of fall of the roller coaster, write an expression to represent