# Questions Asked onJanuary 13, 2018

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

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?

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.

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

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

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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

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

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?

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%?

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

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

12. ## Algebra I

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

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

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

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

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

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

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

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.

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

21. ## Trigo

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

1.Find 30% of 70

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?

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

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

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

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

28. ## Algebra

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

29. ## social studies

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

30. ## Algebra 1

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

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

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

33. ## Algebra 1

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

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?

35. ## Algebra 1

Evaluate a(1)-b(1)

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

37. ## Algebra

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

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

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

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

41. ## Math

Constuct a triangle ABC such that BC 5.6

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.

43. ## math help asap

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

44. ## English

How to work on the rhythm of a poem?