Questions Asked on
July 11, 2012

Physics
A ball (mass m = 250 g) on the end of an ideal string is moving in a circular motion as a conical pendulum. The length L of the string is 1.84 m and the angle with the vertical is 37 degrees. a) What is the magnitude of the torque (N m) exerted on the ball
asked by Joe 
math
diners frequently add 15% tip when charging a meal to a credit card.what is the price of the meal without the tip if the amount is $13.80? how much was the tip
asked by verkesia 
Statistics
1) A sample of 49 observations is taken from a normal population. The sample mean is 55 and the sample standard deviation is 10. Determine the 99% confidence interval for the population mean. 2) The Fox TV network is considering replacing one of its
asked by McKenzie 
english
Structure an ESA (straight arrow pattern) based lesson for an elementary level class in which the learners would learn the vocabulary of clothes and be able to use it when describing what people wear and are wearing
asked by chana 
finance
A firm wishes to maintain an internal growth rate of 4.5 percent and a dividend payout ratio of 60 percent. The current profit margin is 7.5 percent and the firm uses no external financing sources. What must the total asset turnover be?
asked by aisa 
Physics
A ball (mass m = 250 g) on the end of an ideal string is moving in a circular motion as a conical pendulum. The length L of the string is 1.84 m and the angle with the vertical is 37 degrees. a) What is the magnitude of the torque (N m) exerted on the ball
asked by Joe 
physics
A ball of mass 0.440 kg moving east (+x direction) with a speed of 3.80 m/s collides headon with a 0.600 kg ball at rest. If the collision is perfectly elastic, what will be the speed and direction of each ball after the collision?
asked by Danielle 
Statistics
A comparison is made between two bus lines to determine if arrival times of their regular buses from Denver to Durango are off schedule by the same amount of time. For 51 randomly selected runs, bus line A was observed to be off schedule by an average time
asked by Alisha 
Math
a square painting is surrounded by a 2.5cm frame. if the total are of the painting plus frame is 3600 sq cm, find the dimensions of the painting.
asked by Maui 
physics
The electron gun in a television tube is used to accelerate electrons with mass 9.109 × 10−31 kg from rest to 3 × 107 m/s within a distance of 4.7 cm. What electric field is required? The funda mental charge is 1.602 × 10−19 C. Answer in units of
asked by Anonymous 
accounting
You have just purchased a house and have obtained a 30year, $200,000 mortgage with an interest rate of 10 percent. Required: a. what is your annual payment? b. Assuming you bought the house on Jan. 1st, what is the principle balance after one year? c.
asked by scotty 
geometry
Write the compound statement in symbols Let r= The food is good p= I eat too much q= I'll exercise If the food is not good, I won't eat too much.
asked by angela 
Physics
A uniform plank of lent light 5m and weight 225N Rests horizontally on two supports with 1.1m of the plank hanging over the right support. To what distance,X, can a person weighing 450 walk On the overhanging part of the plank before it just begins to tip?
asked by hayley 
Chemstry
For the reaction A(g) + B(g) C(g) + D(g) the equilibrium constant K is defined as K = Y(sub y) * Y(sub D) / (Y (sub A) * Y(sub b)) where y is the molar fraction of the gas phase of a species At 620.00 K, the equilibrium constant is 1.100. Suppose the feed
asked by Simon 
Physics
A crate of mass 29 kg is pushed up a ramp by a person as shown in the figure below. The person pushes the crate a distance of 25 m as measured along the ramp. Assume the crate moves at constant velocity. Assume the coefficient of kinetic friction between
asked by Sierra 
english
what type of clause or phase is painting Frances has plenty of time to devote to her painting.
asked by Anonymous 
Chemistry
Consider a beaker of water that has an initial temperature of 25 degree centigrade. when an ionic salt is dissolved in the water, the temperature changes to 5 degree centigrade. 1. what would you feel if you touch the beaker. 2. is the energy of the
asked by Nene09 
geometry
Write the compound statement in symbols Let r= The food is good p= I eat too much q= I'll exercise If the food is not good, I won't eat too much.
asked by angela 
Physics
A block of mass is pulled along a rough horizontal surface by a rope as sketched in the figure below. The tension in the rope is 45 N, and the coefficient of kinetic friction between the block and the surface is
asked by Sierra 
Physica
How much work is done by a person lifting 2 Kg object from a bottom of a well at constant speed of 2 m is
asked by Q16 
trigonometry
Find the radius of a circle on which a central angle of 3 pie over 2 radians subtends an arc of 60 ft.
asked by delwin 
math30
The 1933 earthquake in Japan registered 8.9 on the Richter scale. a.The 1985 earthquake in Peru registered 7.7 on the Richter scale. How many more times intense was the earthquake in Japan? Round your answer to one decimal place. b. What would the Richter
asked by alejandro 
physics
A stone is thrown vertically upward with a speed of 15m/s.what is the acceleration of the stone in its highest point of its motion?
asked by sushma 
math30
The formula for determining the pH of a solution is pH = log[H+], where [H+] is the hydrogen ion concentration (in M/L). What is the hydrogen ion concentration of an acid with a pH of 2.5?
asked by alejandro 
physics
You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 273 N for 7.2 s, during which time the refrigerator moves a distance of 3.4 m at constant velocity.
asked by Sierra 
Physics
A 100g block hangs from a spring with k = 5.3 N/m. At t = 0 s, the block is 20.0 cm below the equilibrium position and moving upward with a speed of 194 cm/s. What is the block's speed when the displacement from equilibrium is 31.5 cm?
asked by Jay 
elem math core
A bag contains one each of red, blue, green, yellow and white marbles. Give the sample space for the following experiments. A) one marble is drawn at random B) one marble is drawn, but not replaced,and then a second marble is drawn.
asked by jordan 
English
Posted by rfvv on Wednesday, July 11, 2012 at 12:16am. 1. Many artists in Degas' time thought that they could be better writers by copying famous paintings. 2. Many artists in Degas' days thought that they could be better writers by copying famous
asked by rfvv 
Physica
which of the following is correct a)the average speed of an object is the elapsed time divided by the distance traveled b)the average velocity of an object is the ratio of the distance traveled by the elapsed time. c)the instantaneous velocity is the limit
asked by Q5 
Chemistry
semibatch reaction: C6H6(l) +Cl2(g) ==> C6H5Cl(l) + HCl(g) C6H5(l) + Cl2(g) ==> C6H4Cl2(l) + HCl(g) C6H4Cl2(l) + Cl2(g) ==> C6H3Cl3(l) + HCl(g) \reactor contained 11.0 mole of benzene and a product mixture in which the amt of monochlorobenzene was 3x the
asked by Simon 
Physics
A crate of mass 59 kg is pushed across a level floor by a person. If the person exerts a force of 30 N in the horizontal direction and moves the crate a distance of 12 m, what is the work done by the person?
asked by Sierra 
Physics
A car of mass 1,700 kg is initially traveling at a speed of 25 m/s. The driver then accelerates to a speed of 35 m/s over a distance of 500 m. Calculate the change in the kinetic energy of the car.
asked by Sierra 
Physica
A car moving with a constant velocity. This means that the net force acting on it is
asked by Q14 
Math
a square painting is surrounded by a 2.5cm frame. if the total are of the painting plus frame is 3600 sq cm, find the dimensions of the painting. what are the dimensions? i forgot how to find the dimensions. please help me .
asked by Maui 
geometry
Determine which if any of the three statements are equivalent. Give a reason for your conclusion. 1) If the house is not white,then the house is not small. 2) If house is not white and the house is not small 3)It is false that the house is white or that
asked by angela 
science
A single mole of AgNO3 weighs 169.88 grams. In order to make a 1M solution, how many grams of AgNO3 would need to be dissolved in 1 liter?
asked by yoly 
Math
The average (arithmetic mean) and median of the five numbers a,a,b,c, and c are 20 and 30, respectively. If a < b < c, what is the value of a + c?
asked by Samantha 
biology
Why is the universal genetic code considered universal?
asked by Anonymous 
statistics
The scores on a test for a very large class is normally distributed with mean 64 points and standard deviation 6 points. The department decides to award A to the highest 5% scores. What is the minimum score to receive an A for the course? Round your answer
asked by Anonymous 
algebra
mang pedring wanted to construct a square table such that the length of its side is 30 cm longer than its height. What expression represents the area of the table? Suppose the table is 90 cm high what would be the area?
asked by Sella 
Physics
A car of mass 1,700 kg is initially traveling at a speed of 25 m/s. The driver then accelerates to a speed of 35 m/s over a distance of 500 m. Calculate the change in the kinetic energy of the car.
asked by Sierra 
algebra 117b
I please need help in solving a cube surface 6x^2+108x+486
asked by BERNIE 
algebra
Suppose 3s represents an even integer. What polynomial represents the product of 3s, the even integer that comes just before 3s, and integer that comes just after 3.
asked by Anonymous 
Statistics
An instructor for a college biology lab has each of her 12 students (you are one of those 12 students) take their own SRS of 25 plants from an experimental field. She lets you know that the heights (measured in cm) of the plants in the field follow a
asked by BadatStat 
physics
If pressure is given by P=A+B by t and c by D +v where t and v are time and velocity respectively then find dimensional formula of A, B,C&D.
asked by niharika 
Math
At a company, there are y more male employees than female employees. If there are x male employees at the company, what fraction of the employees are male, in terms of y and x?
asked by Samantha 
Foreign languages
Can you please check these sentences, Writeacher? 1) I would like to book a room with a double bed and a single bed (at a certain price) for person (sharing) which (alsoincludes breakfast and dinner for seven nights. (Can you help me express this sentence
asked by John 
Mathematics
write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.
asked by INDIANA 
TRIG
A WORKER PRESENT SALARY IS 24 PER ANNUM HIS ANUAL INCREMENT IS 10% OF HIS BASIC SALARY WAT WUD BE HIS ANNUAL SALARY AT THE BEGINNIN OF THE THIRD YEAR
asked by AM 
physics
Find the distance by which a 43cm diameter, 8.7m tall concrete column is compressed when it supports a 12400kg load
asked by jr 
Integrated Math 1
Suppose a parabola f(x) has its vertex at (0, 25) and its zeros at x = 5 and x = 5. Then f(x)equals _____. A. 25x^2 B. 1 1/25 x^2 C. x^21 D. x^225
asked by Tifini 
Statistics and Probability
Drawing from a set of six blue beads and three gold beads, use ratios to state the likelihood of each color being drawn; conducts experiments to test predictions. Show your work and explain your answer.
asked by Gabi 
statistics
a random sample of 80 college students was selected to participate in a experiment. the mean of the sample is 317 points, the standard deviation of 37 there are 310 students that didn't complete the experiment 1. compute the appropriate test statistic? 2.
asked by Anonymous 
math
I am adecimal number less than 1. the digit in my hundreths place is the sum of the digits in my thousandths place. The digit in my tenths place is 1 greater than the digit in my thousandths place. Which 3 numbers could I be?
asked by janrix 
Physics
A rock of mass 0.086 kg is thrown upward with an initial speed of 13 m/s. Find the work done by gravity on the rock from the time it leaves the thrower's hand until it reaches the highest point on its trajectory. Hint: You do not have to calculate the
asked by Sierra 
Business Law
Explain how the advent of computer usage created the need for new laws to protect privacy in the United States? This is what I have so far, I am not finding much information on this other than what is in my text book. The rapid advances in technology being
asked by Melisa 
Probability
If a women with a BMI below 25 are considered to be normal weight, how many of these women would be classified as overweight? If you choose a woman at random, what is the probability that she will be overweight. Chart below BMI Frequency 15.019.9 9
asked by bria 
trig
determine the amplitude,period and phase shift of y=2cos(pix3)
asked by Anonymous 
algebra
mang pedring wanted to construct a square table such that the length of its side is 30 cm longer than its height. 1. How does the illustration look like? illustrate. 2. How would you represent the height of the table? How about the length of its side? 3.
asked by Sella 
Integral math
FOR WAT VALUE OF X IS THE TANGENT OF THE CURVE Y=X^24X+3 PARALLEL TO THE X AXIS
asked by REM 
chemistry
In adsorption, what is bulk concentration? How does that differ from initial concentration? Thanks in advance.
asked by Namie 
algebra
mang pedring wanted to construct a square table such that the length of its side is 30 cm longer than its height. Suppose the area of the table is 2.25m^2, what would be its height?
asked by Sella 
math
Sam can do a job in X hours. Denise can do the same job in x+2 hours. How long will it take Sam and Denise to do the job together? (Express your answer in terms of x.)
asked by Dawn 
Calculus
Find the critical numbers of y=x(4x)^1/2. The answer is x=8/3 but I got x=7/2.
asked by Elizabeth 
physics
how many RPM are required to attain 1g with a radius of 840 feet
asked by Edward 
Physica
A box is pulled horizontally by a 60 N force at an average velocity 1.0m/s. The power is
asked by Q15 
Math
A vending machine has marbles of 4 different colors: Red, blue, purple,and yellow. The marbles are well mixed. You drop a quarter into the machine and you get 2 random marbles. Write out the sample space for the experiment. The sample space should be N =
asked by Meredith 
English
e.g. Do you want to know more about him? (What is the part of speech of 'more'? Is 'more' a noun or an adverb? 1. Do you want to know know much about him? 2. Do you want to know a lot about him? 3. Do you want to know a lot of things about him? 4. Do you
asked by rfvv 
desktoping
To make it easy to quickly return to a favorite web site you can ____ it. A: Bookmark B: Bookshelf C: Copy D: Memorize I got A.
asked by Ciara 
Math
f(x) = 1/3x + 3 and g(x) = x  2 The functions f and g above are defined for all values of x. In the xyplane, what is the ycoordinate of the point of intersection of the graphs of f and g?
asked by Samantha 
algebra
mang pedring wanted to construct a square table such that the length of its side is 30 cm longer than its height. How would you represent the height of the table? How about the length of its side?
asked by Sella 
Integrated Math 1
Let f(x)=x^1999 and g(x)=2xx^5. Then f(x)g(x) equals____? A. 2x^20000x^2004 B. 2xx^5+x^1999 C. (2xx^5)^1999 D. 2x^1999x^9995
asked by Tifini 
Physica
The position of a particle is given by equation X(t)=2t^2 where t in second and X in metere. The average velocity during time interval from t=1 s to t=5 s is.......
asked by Q2 
Physica
A car moving along astraight line changes its velocity from 40 m\s to 80 m\s in a distance of 200 m . The acceleration during its motion is ...
asked by Q3 
Physica
if A=12x  16y and B=  24x + 10y,what is the magnitude of the vecror C=2AB?
asked by Q7 
Trigonometry
In a right triangle with ã the right angle, b = 86.5 and c = 125.8. What is â
asked by Cyndy 
Physica
if A=12x  16y and B=  24x + 10y,what is the magnitude of the vecror C=2AB? Please check out the necessity to solve them and thank
asked by Q77 
math
how do you create a function that has a graph with the given features: a. A vertical asymptote at x=2; a horizontal asymptote at y=0; no xintercept; yintercept is 3 please help.
asked by ted 
information literacy
which of the following is a primary source?
asked by Anonymous 
math
average speed of a car that travel 17km in 15 minutes
asked by Anonymous 
English
1. Many artists in Degas' time thought that they could be better writers by copying famous paintings. 2. Many artists in Degas' days thought that they could be better writers by copying famous paintings. 3. Many artists in Degas' times thought that they
asked by rfvv 
geometry
An army base is enclosed by a wire fence so that it forms a circular compound. The entrance to the base is located at X(3, 6) and the exit is at Y(9, 14). X and Y are end points of a diameter of the circle. A search tower is positioned at Z(2, 13) on the
asked by Manda 
math
how do you create a function that has a graph with the given features: a. A vertical asymptote at x=2; a horizontal asymptote at y=0; no xintercept; yintercept is 3
asked by ted 
Integrated math
wat the areb bounded by the curve y=3x^22x+1, the ordinates x=1 and x=3
asked by REAL 
Integrated Math 1
Let f(x)=16x^2x^3 and g(x)=24x^2. Then f(x)g(x) equals____? A. 12x^2x^3 B. 12x^2+x^3 C. 1+2x^2x^3 D. 1+2x^2+x^3
asked by Tifini 
TRIG
Given that tan¤=3/4 and ¤ is in the second quadrant find sin2¤ (¤=theta)
asked by AL 
TRIG
Given that tan¤=3/4 and ¤ is in the second quadrant find sin2¤ (¤=theta)
asked by AL 
PHYICAL
A car acceleration from rest 45 m\s in 15 s average acceleration is.....
asked by Q1 
Physica
The sum of two vectors A and B is maximum when both vectors are : A)parallel B) opposite in direction C) perpendicular to each other D) A inclined 45 with B E) none of the above
asked by Q9 
Physica
A man of 60 kg standing on a floor at rest. The normal force exerted by the floor on the man is: A)588 N upward B) 120 N downward C) 60 N downward D) 588 N downward E) 60 N upward
asked by Q99 
distance 2 cars
if car A is going 40 mph and car B is stationary , how fast would car b have to go to cath up to car A in 4/10 of a mile
asked by James 
divission
how do i do a 7 by 10 array look like
asked by katie 
criminal behavior
an example of a crime that can be explained by social structure theories.
asked by leo 
elem math core
An unknown number of slips of paper, each with the letter C written on them, are added to the bag. After this, it is known that P(A)=¼ and P(B)= ¹/6. Find P(C).
asked by jordan 
Physics
Nothing
asked by Sierra 
Reading
when you are purchasing auto insurance, your agem sex and marital status are considered together as your. A. claims history B. ratung territory C. driving record D. Driver classification I got B but it was WRONG
asked by help 
math
how do you find the domain in 2/x^2+3? pls help
asked by ted 
Math
If it takes 6 minutes to travel from point A to point B at a constant speed of 60 miles per hour, how many minutes does it take to travel the same route from point A to point B at a constant speed of 50 miles per hour?
asked by Samantha 
Physica
IF A= 2x+3y and B=x+y,then the angle between the resultant A+B and the positive directio of xaxis is ;.....
asked by Q6 
Physica
The sum of two vectors A and B is maximum when both vectors are : A)parallel B) opposite in direction C) perpendicular to each other D) A inclined 45 with B E) none of the above
asked by Q8 
math117b
need help in finding a cubes surface and finding the length of one side 6x^+108x+486
asked by BERNIE 
Marketing
How many unit sales and dollar sales did the Famous Amos cookies Co record for 2011. Also How many unit sales and dollar sales did Chewy Chips Ahoy! record for 2011.
asked by Howard 
Managerial Economics
Compute the economic profit of the firm if Sales10000,material cost3000,labour cost2000,Administration cost1000,own capital invested is 20000 and opportunity cost of capital 10%.
asked by Anusha 
Physica
A person wajks on astraight road for 100 m and then return back for 20 m .The ratio of the magnitude of the distance to the displacement of the person is....
asked by Q4 
Math applied/precal
(8/5)^7/4*(8/5)^1/4=64/25 Not sure how get this answer . Could please show me the steps.
asked by Hannah 
Jeans
how much will a pair of 99 dollar miss me's be with tax?
asked by Anonymous 
Math
if (a^6 x a^6)^k = (a^3)^(k+5), solve for k
asked by Samantha 
Integrated Math 1
Let f(x)=16x^2x^3 and g(x)=24x^2, then f(x)g(x) equals___? A. 12x^2x^3 B. 12x^2+x^3 C. 1+2x^2x^3 D. 1+2x^2+x^3
asked by Tifini 
chem
determine milligrams of mercury in 65.60 grams of mecurous phosphate
asked by der