Questions Asked on
January 13, 2018

  1. math, I need help please answer quickly!

    A) Estimate 49% of 162 B) Use mental math to calculate 49% of 62

    asked by Alexis
  2. math please answer quick!!!

    Maya is driving 120 miles to her grandmother's house. She drives 35% of the distance before stopping for lunch. How far does she drive before lunch?

    asked by uh hi
  3. physical science

    Please check my answers on this physical science quiz, thanks 1. in which of the following scenarios are action and reaction forces involved? a. when a tennis racket hits a ball b. when you step from a curb c. when you row a boat d. all of the above** 2.

    asked by stacy
  4. Math

    Estimate a 15% tip for a meal that cost $26.80. a)$1.35 b)$2.70 c)$4.05 d)$31.05

    asked by Orange Juice
  5. Math

    Dog Debate UNIT NAME: EQUATIONS AND INEQUALITIES Directions: The traditional method for calculating a dog's age in dog years is to multiply its age in human years by 7. The chart below describes a different method some veterinarians use to estimate a dog's

    asked by Help i need somebody not just anybody
  6. Math

    an airplane travels 500 km with the wind in the same time that it takes the airplane to travel 400 km against the wind. the average speed of the plane in still air is 180 km/h. what is the average speed of the wind? Airplane with wind: Distance: 500km

    asked by Sarah
  7. college finance

    You are considering two independent projects that have differing requirements. Project A has a required return of 12 percent compared to Project B’s required return of 13.5 percent. Project A costs $75,000 and has cash flows of $21,000, $49,000, and

    asked by cameron
  8. Physics

    A billiard cue ball having velocity of 5.0 cm/s and a mass 0.17 kg approaches a stationary red billiard ball of mass 0.16 kg. If the cue ball is stationary after their collision, what is the new velocity for the red ball?

    asked by Anonymous
  9. Math

    Ed invests $68,000 in certificates of deposit (i.e., CDs) paying 1.75%. How much additional money does he need to invest in stocks that are expected to generate a return of 11.8% so that the average return on all of Ed’s investments is 7.5%?

    asked by Jay
  10. college finance

    Edward's Manufactured Homes purchased some machinery 2 years ago for $50,000. The assets are classified as 5-year property for MACRS. The company is replacing this machinery today with newer machines that utilize the latest in technology. The old machines

    asked by cameron
  11. Physics

    A 0.50 kg mass is attached to a spring with spring constant, k= 43.8N/m. Suppose the mass is pushed upward, so that it rises past the spring’s unstretched position, compressing the spring. Calculate the net force on the mass when the spring is compressed

    asked by Ali
  12. Algebra I

    A number raised to a negative exponent is negative. a. always b. never c. sometimes *****

    asked by Anonymous
  13. Physics

    A rock is dropped into a well, and a splash was heard 3 seconds later. If sound travels in air at 344 m/s, A) How deep is the well? B) What are the final positions of the Rock and the Sound? (Rock = Yfr; Sound = Yfs) Known Variables: Gravity = -9 m/s^2

    asked by Aster Calico
  14. physics

    A canon of mass 1100kg fires a cannonball of mass 6.2kg at a speed of 190ms-1. a) Calculate the initial recoil speed of the cannon. b)The purpose of the firing the canon is to transfer chemical energy of the explosive into kinetic energy of the cannon

    asked by jothegreat
  15. Math

    The ratio of oranges to people in the fruit salad is 9/40 if Lisa wants to serve 800 people how many oranges will Lisa use

    asked by Sunji
  16. Math

    The ratio of cherry tomatoes to people in a toasted salad is 7:15 if Waldo wants to serve 105 people how many cherry tomatoes will Waldo use? The ratio of pineapples to people for a chocolate fondue dessert is 1 to 5 if deb wants to serve 80 people how

    asked by Sunji
  17. Algebra 2

    Suppose the polynomial function below represents the power generated by a wind turbine, where x represents the wind speed in meters per second and y represents the kilowatts generated. Interpret f(10) f(x) = 0.08x^3 + x^2 + x + 0.26 _______________ Does

    asked by Anonymous
  18. physis

    A ball of mass 8kg falls from rest from a height of 100m. Neglecting air resistance,calculate it's total energy after falling a distance of 40m

    asked by Anonymous
  19. Advanced Algebra

    Joanne and Bill are financing $305,500 to purchase a house. They obtained a 20/6 balloon mortgage at 5.75%. What will their balloon payment be? $206,311.68 $401,524.25 $152,285.77 $249,295.69 My answer is the 4th one.

    asked by Steve
  20. physics

    A baseball bat hits a ball with an average force of 970N that acts for 0.0088s. a) what impulse was given to the ball/ b)What was the change of momentum of the ball? c)The ball was hit back in the same direction that it came from. If its speed before being

    asked by flirtyme
  21. Trigo

    Jill walks 10 miles at 40 degrees south of west. How far west of her starting point does she end up?

    asked by Mae
  22. math please answer quick!!!

    1.Find 30% of 70

    asked by uh hi
  23. Physics

    A billiard cue ball having velocity of 5.0 cm/s and a mass 0.17 kg approaches a stationary red billiard ball of mass 0.16 kg. If the cue ball is stationary after their collision, what is the new velocity for the red ball?

    asked by Anonymous
  24. physics

    A rocket engine on a spacecraft of total mass 10,000kg ejected 1.4kg of hot gases every second at an average discontinuous speed of 240ms-1. 1- What was the force on the spacecraft? 2- What was the acceleration of the spacecraft? 3-If the engines were used

    asked by Anonymous
  25. Math

    Don't understand how to solve this problem: 12. A, B, C, and D are points on a line, and the lengths of the line segments are: AB = 12, BC = 4, CD = 7, and DA = 15. Which of the following is a possible order for the points? A.A,B,C,D B. A,C,D,B C. A,D,C,B

    asked by Vivian
  26. Physics

    A swan on a lake goes airborne by flapping its wings and running on top of the water. If the swan must reach a velocity of 6.00 m/s to take off, and it accelerates from rest at an average rate of 0.0350 m/s2, how far will it travel before becoming

    asked by Ashley
  27. Algebra 1

    Cassandra bought a car for 22,385. The value depreciates 14% a year. a. Write a function, d(x), that gives the value of the car after x years. b. What will the value of Cassandra's car be after 10 years

    asked by Mary
  28. Algebra

    Suppose A – D = E, that N = 160,000, E/A = .75 and N/E = .40. Compute D/A.

    asked by Jay
  29. social studies

    why did it take so long for north america to become settled by the natives?

    asked by Anonymous
  30. Algebra 1

    USE REGRESSION, FIND BEST FIT EQUATION FOR DATA (1,56), (2, 29), (3, 13), (4, 7), (5, 2)

    asked by Mary
  31. physics

    In an experiment to find the speed of 2.4g bullet, it was fired into a 650g block of wood at rest on a friction free surface. If the block(and bullet) moved off with an initial speed of 96cm s-1, what was the speed of the bullet? plz help the teacher gave

    asked by flirtyme
  32. Physics

    I'm trying to figure out the answer to this question. It seems to easy, so I have my doubts. Question: Calculate the minimum change in velocity (delta V or ∆V) required for the Orion MPCV to decrease its altitude to 60 miles if it’s orbiting with an

    asked by Nobody important
  33. Algebra 1

    Give a value for x such the A(X)>b(X)

    asked by Mary
  34. Physics

    A shock absorber is a form of spring that resists compression. If a 200.0 N force is applied to a particular shock absorber, it is compressed 2.1 cm. What is the proportionality constant for this shock absorber?

    asked by Anonymous
  35. Algebra 1

    Evaluate a(1)-b(1)

    asked by Mary
  36. physics

    Apparently, this website cannot display photos, so I'm gonna type my question: A railway truck of mass 8340kg traveling at 14.3ms-1 collides with another truck of mass 6420kg traveling at 8.78ms-1 in the same direction. 1. If after collision the two trucks

    asked by mangojuice
  37. Algebra

    Assume that S/A = 5.2, D/A = .40, N/E = .75 and A = D + E. Solve for N/S.

    asked by Jay
  38. Algebra 1

    Cassandra bought a car for 22,385. The value depreciates 14% a year. a. Write a function, d(x), that gives the value of the car after x years. b. What will the value of Cassandra's car be after 10 year

    asked by John
  39. Math-Please Help!

    Hi, I am having trouble understanding the concept of delta and epsilon. Please explain the following problem. Thank you!! Given the function f(x)=2-(1/x), find delta such that if 0< Ix-2I < delta, then the absolute value of f(x)-1 is < 0.1

    asked by Eliana
  40. Add maths

    The roots of the equation x^2+(a+3)x-2b=0 are -2 and -3.Find the values of a and b.

    asked by Sakthieswary
  41. Math

    Constuct a triangle ABC such that BC 5.6

    asked by Ritanshu
  42. math

    A woman is 5 times and 3 yrs older than her daughter , if the daughter is 5 yrs old, how old is the woman.

    asked by Tracy
  43. math help asap

    is 6m^2n^5 a monomial? What degree is -x^4y^3 is? The ^ is use to show the exponets

    asked by daryan
  44. English

    How to work on the rhythm of a poem?

    asked by Ava
  45. science

    How many protons are in the isotope Oxygen-20?

    asked by Jay
  46. chemistry

    balance this equationwiththerealanswer Zn(s)plusHclisequaltoZncl2plusH2

    asked by blessing