Questions Asked on
January 13, 2018

math, I need help please answer quickly!
A) Estimate 49% of 162 B) Use mental math to calculate 49% of 62
asked by Alexis 
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 
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 
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 
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 
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 
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 
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 
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 
college finance
Edward's Manufactured Homes purchased some machinery 2 years ago for $50,000. The assets are classified as 5year 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 
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 
Algebra I
A number raised to a negative exponent is negative. a. always b. never c. sometimes *****
asked by Anonymous 
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 
physics
A canon of mass 1100kg fires a cannonball of mass 6.2kg at a speed of 190ms1. 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 
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 
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 
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 
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 
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 
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 
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 
math please answer quick!!!
1.Find 30% of 70
asked by uh hi 
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 
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 240ms1. 1 What was the force on the spacecraft? 2 What was the acceleration of the spacecraft? 3If the engines were used
asked by Anonymous 
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 
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 
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 
Algebra
Suppose A – D = E, that N = 160,000, E/A = .75 and N/E = .40. Compute D/A.
asked by Jay 
social studies
why did it take so long for north america to become settled by the natives?
asked by Anonymous 
Algebra 1
USE REGRESSION, FIND BEST FIT EQUATION FOR DATA (1,56), (2, 29), (3, 13), (4, 7), (5, 2)
asked by Mary 
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 s1, what was the speed of the bullet? plz help the teacher gave
asked by flirtyme 
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 
Algebra 1
Give a value for x such the A(X)>b(X)
asked by Mary 
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 
Algebra 1
Evaluate a(1)b(1)
asked by Mary 
physics
Apparently, this website cannot display photos, so I'm gonna type my question: A railway truck of mass 8340kg traveling at 14.3ms1 collides with another truck of mass 6420kg traveling at 8.78ms1 in the same direction. 1. If after collision the two trucks
asked by mangojuice 
Algebra
Assume that S/A = 5.2, D/A = .40, N/E = .75 and A = D + E. Solve for N/S.
asked by Jay 
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 
MathPlease 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< Ix2I < delta, then the absolute value of f(x)1 is < 0.1
asked by Eliana 
Add maths
The roots of the equation x^2+(a+3)x2b=0 are 2 and 3.Find the values of a and b.
asked by Sakthieswary 
Math
Constuct a triangle ABC such that BC 5.6
asked by Ritanshu 
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 
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 
English
How to work on the rhythm of a poem?
asked by Ava 
science
How many protons are in the isotope Oxygen20?
asked by Jay 
chemistry
balance this equationwiththerealanswer Zn(s)plusHclisequaltoZncl2plusH2
asked by blessing