Total # Posts: 371
A garden is 3m wThere is a pathway that runs along the perimeter inside the garden.If the area of pathway is half of the area of garden, then the width of the pathway is how many meters?
September 27, 2016
In the Night The Bed Fell, what is the father's reaction to the scene he discovers when he opens the attic door? He is ready to chase a burglar He's worried someone's been hurt He wants to know what's happened He's glad that everyone's all right My ...
September 19, 2016
English (Langue Arts)
What does the following quote from The cask of Amontillado reveal about what Montresor wants his servants to do ? "I had told them that I should not return until the morning and has given them explicit orders not to stir from the house. These orders were ...
May 20, 2016
A car completes a trip in 20 minutes. for the first half of the trip the speed of the car was 100km/h and the speed for the second half of the trip was 90km/h. How far did the car travel (in km) if the distance for the first part is the same as the second part
April 14, 2016
Gary is carrying out two chemistry experiments. In experiment A he mixes hydrochloric acid with sodium carbonate. In experiment B he mixes nitric acid with copper carbonate. Explain what Gary will need to do in order to test the gas produced in each experiment. I don't ...
January 21, 2016
A small recording studio that produce its own records is able to press 100 records a day for a profit of $3.60 per record. If a more expensive process is used, production can be increased, but the profit per record diminishes by 2 cents for each additional record produced. how...
January 12, 2016
For 30 randomly selected Rolling Stones concerts, the mean gross earnings is 2.37 million dollars. Assuming a population standard deviation gross earnings of 0.52 million dollars, obtain a 99% confidence interval for the mean gross earnings of all Rolling Stones concerts (in ...
December 1, 2015
The rider of a ferris wheel moves at a rate of 0.18 m/s2. If the rider is 5.0 m from the center of the ferris wheel, What is his/her Velocity? Can't figure out if the RADIUS and RATE are the same and Which one is the radius/rate?
June 23, 2015
1.) In the following problem, write the first five of the terms of the arithmetic sequence. a1=16.5 d=0.25 2.) Find a the correct formula for the an for the arithmetic sequence. a1=-1 d=5
April 16, 2015
A fuel storage tank has one supply pump and two identical outlet pumps. With one outlet pump running, the supply pump can increase the fuel level in the storage tank by 8450 gallons in 30 minutes. With both outlet pumps running, the supply pump can increase the fuel level in ...
November 27, 2014
A motorboat traveling a distance of 225 miles in 5 hours while traveling with the current. Against the current, the same trip took 9 hours. Find the rate of the boat in calm water and the rate of the current. rate of boat___ mph rate of current___ mph
November 27, 2014
1. Evaluate the given integral by making an appropriate change of variables, where R is the region in the first quadrant bounded by the ellipse 36x^2+25y^2=1. L= double integral R (4sin(144x^2+100y^2) dA. 2. Use the given transformation to evaluate the given integral, where R ...
November 4, 2014
The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...
October 22, 2014
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln is shown for various times (in minutes) in the following table. Time(min) Temperature (F) 15 2200...
October 22, 2014
A square loop of wire of side 3.0 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 37degree with the plane of the loop. What is the magnitude of the torque on the loop? What is the net magnetic force on the loop?
October 13, 2014
a singly charged ion of uknown mass moves in a circle of radius 12.5 cm in a magnetic field of 1.7 t. the ion was accelerated through qa potential difference of 5.7 kv before it entered the magnetic field. what is the mass of the ion
October 13, 2014
Suppose a firm has a constant marginal cost of$10 the current price of the product is $25, and at that price, it is estimated that the price elasticity of demand is -3.0. Is the firm charging the optimal price for the product? Demonstrate how you know.
June 19, 2014
Help Mrs.Sue LA
18.When she is shy and doesnt want the teacher to pick relates to the main idea because it shows that when the she is interviewing the teacher she figures out she can do it and becomes confident. 19.? Help please.
May 21, 2014
two hundred fifty grams of iron is heated from 27 degree Celsius to 300 degree Celsius . how much ice can be melted and raised to a temperature of 27 degree Celsius by hot iron?
November 17, 2013
A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled.
November 1, 2013
Nachman Industries just paid a dividend of D0 = $1.75. Analysts expect the company's dividend to grow by 30% this year, by 10% in Year 2, and at a constant rate of 5% in Year 3 and thereafter. The required return on this low-risk stock is 9.00%. What is the best estimate ...
March 5, 2013
how to prepare and calculate 10%,20% and 30% of phosphoric acid from the concentrated? Meaning that if 10% = 10%phosporic acid+90% of water. let say i want to prepare in 250ml volume.
January 29, 2013
When saccharin is added to pure water, the freezing point of the resulting solution drops to -5.0C, Calculate the freezing point depression of the aqueous saccharin solution. Note: freezing point of pure water is O.0C... Stuck thanks so much!
January 16, 2013
a 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml. the mass of the water, flask, and metal is 268.5g. if the mass of the flask is 139.3g and the density of water is 1.000g/ml, the density of the ...
December 5, 2012
You are looking for range. Range = Vh x t Vh = 30 m/s t= ? We know d= 50 m, viv = 0 m/s a=9.8 d=vit + 1/2 at ^2 50=0 + 1/2 9.8 t ^2 50 = 4.9 t^2 t = 3.1 s Range = (30) (3.1) = 95.8 m Hope this helped !
October 30, 2012