Alfred
Popular questions and responses by Alfred
English
What is the difference in meaning between the following pairs of sentences? 1. I was a teacher. 2 I am a teacher
asked on May 30, 2018 
maths
The 4th term of an arithmetic progression AP is 37 and the 6th term is 12 more than the 4th term find. (i)the first term of AP. (ii) the seventh term of AP.
asked on November 19, 2019 
math
An oval track is made by erecting semi circles on each end of a 58 m by 116 m rectangle. Find the length of the track and the area enclosed by the track.
asked on February 24, 2015 
algebra 2
(x+1)^26=y Solve for x and y should be part of the final answer
asked on May 26, 2020 
Physics
A girl of 50 kg slides down a 8 m long slide into a pool. The upper end of the slide is 4.0 m above the water and the lower end of the slide is at the level of the water. Assume a coefficient of friction of 0.20, find: a) the potential energy of the girl
asked on November 28, 2012 
Physics
Does anyone have a giant list of WebAssign Physics1 work with the questions?
asked on November 3, 2019 
Math
Mark his a $10 bill inside his favorite book. He forgot the pages where he hid it. If the sum of pages where the bill is hidden is 177, on what pages will Mark find his money ?
asked on February 26, 2019 
science
An aeroplane flies horizontally at 80m/s in still air. If the aviator wishes to fly due south and the wind is blowing from the southeast at 30m/s, 1. what course must he steer. 2. how long will it take him to arrive at his destination 200km away.
asked on November 3, 2018 
Math
A jug can hold 3 times as much juice as a mug if the jug can hold 2 L of juice how much juice in liters can the mug hold
asked on July 18, 2017 
math
onehalf a number minus 6 is 4. find the number
asked on October 17, 2016 
Algebra
Identical squares are cut off from each corner of a rectangular piece of cardboard measuring 7cm by 12cm. The sides are then folded up to make a box with an open top. If the volume of the box is 33cm^3, what is the largest possible length of each side of
asked on August 23, 2016 
Math
A COMPANY CHARGES $20.00 PER DAY PLUS 64 CENTS A MILE YOU DRIVE 100 MILES HOW MUCH DO YOU OWE?
asked on July 17, 2016 
geometry
penelope said that the side lengths of 4,12, and 8 could form a triangle because 4+8=12. is she correct
asked on May 23, 2016 
math
find the volume in cubic centimeters of the rectangular prism if the lenght is 2 1/2 cm and the width is 3 cm
asked on February 4, 2016 
chemistry
A 250.0mL sample of 0.0012M Pb(No3)2 (aq) is mixed with 150.0mL of 0.0640M Na (aq) should precipitation of PbI2 (s) ,Ksp=7.1¡Á10^9, occur?
asked on December 28, 2015 
math
10. A military jet flies horizontally with a velocity of 450 m/s and 20,000 m above the ground. When the jet is straight above an artillery gun a shell is fired. Assuming the shell hits the jet. a. Calculate the horizontal component of the initial velocity
asked on September 20, 2015 
science
how many liters of water do u need to mix with a 250 grams of steric acid
asked on July 4, 2015 
Economic
What are welfare payments or consumer subsidies?
asked on May 29, 2015 
Honors Algebra II
I've been stuck on a problem with my homework for a couple of minutes now. We are doing Systems of Two Equations, using the substitution method. The problem is: 4y6x+20=0 3=(18/5)x+(21/10)y
asked on August 27, 2014 
Compensation and Benefits
Compare and contrast the following methods of job evaluation, and include examples that are not the same as in the textbook to demonstrate understanding: Lott, Benge, and Multiple Regression. Identify the key differences.
asked on March 5, 2013 
Physics
A golfer drives a golf ball with a velocity of 100 ft/sec and an angle of 45 degrees. A. find the time of travel for the ball. B. Find the balls range. C. Find the maximum height of the ball
asked on November 5, 2012 
college algebra (math 90)
How do i graph this hyperbola? X^2+6x3y^2=0
asked on December 5, 2011 
Thermodynamics (Chemistry)
Ag(s) + Cl2(g) > 2AgCl(s) ∆H and ∆S are 254.14kJ and –115.0J/K respectively. Calculate equilibrium constant, K for the reaction at 500K?
asked on August 8, 2011 
Physical chemistry
Ag(s) + Cl2(g) > 2AgCl(s) ∆H and ∆S are 254.14kJ and –115.0J/K respectively. Calculate equilibrium constant, K for the reaction at 500K?
asked on August 8, 2011 
Physical Chemistry
1.6 mol of Neon gas are heated from 20.0 °C to 85.2 °C at a constant pressure of 1 atm. Calculate the work done. (R = 0.082057 L.atm/ K. mol)
asked on August 8, 2011 
prealgebra
find the volume of a pyramid 9in.by9in. by3in.round to the nearest tenth
asked on March 6, 2011 
Physics
A fountain has a cylinder with holes placed on the side at heights of 1 m and 2 m. The water level is the cylinder is kept at a height of 3 m by an input type. The water emerges from the holes and strikes the fountain pool at some distance x. a. What
asked on February 6, 2011 
prealgebra
6y+42=4y
asked on October 25, 2010 
Algebra
Process of eliminiation method ? Is there a solution, infinity or no solution. I don't get it. Can anyone help me? 3r  5s = 27 5r + 3s = 23
asked on May 26, 2010 
Physics
1. What is the weight of a 24kg mass on Mars if its surface gravitaional field = 3.5N/KG? a) 235.2 N b) 84 N c) 24 kg d) 6.86 kg 2. A space shuttle is placed in a circular orbit around the Earth. It then thrusts its engine and moves to a new orbit, as
asked on August 31, 2009 
Physics
(a) Identify the significance of scientists James Clerk in hertz’s research. (b) Explain the physics of why hertz was able to detect sparkling in small detector coil when the detector was located in the position shown on the diagram above. (c) Describe
asked on August 31, 2009 
Physics
Explain how a galvanometer functions, using electromagnetic principles.
asked on August 31, 2009 
Physics
A dc electric motor found in the lab was being examined by a student. It was connected to a power supply and it was not attached to any load. (a) The student stated, ‘when the motor is switched on, the electrical energy input should cause the motor to
asked on August 31, 2009 
Physics
A very important experiment was carried out at the end of the 1800’s involving testing for the speed of the earth through the ether. (a) State the name of this experiment (b) Describe why the light beams are perpendicular to each other at one stage of
asked on August 31, 2009 
Physics
A student spins a 1.2kg rock around above her head horizontally in an experiment which aims to model how satellites orbit the earth. The student counts 3 orbits per second when the string produces an orbit radius of 35cm. (a) Calculate the centripetal
asked on August 31, 2009 
Physics
(A) Identify how the gravitational potential energy changes as a shuttle takes off from the launch pad. (b) Explain the consequences to the space craft and its occupants if the shuttle is undergoing reentry, and the angle of reentry is significantly
asked on August 31, 2009 
math
a baseball team a series of five games to play, with one game each day from monday through friday. If it rains on the day of a scheduled game, the game is cancelled. There is a 20 percent probability of rain each day. how likely is it that the team will
asked on June 3, 2007

physics
from energy= 1/2mv^2. =1/2×0.5×3^2 =2.25 but work done=force applied then force=2.25 recall f=ma =0.5×10 5N so. coefficient=kinetic frictions limiting friction 2.25÷5=0.45 coefficient of kinetic friction =0.45
posted on November 9, 2019 
english
Write a letter to uncle requesting him to pay up your school fees
posted on June 27, 2019 
Civics
I'm doing a research on human rights violation
posted on April 16, 2019 
science
biologe
posted on September 21, 2017 
Physics
inverse sin> = Sin^1(1.461.48)= 80.57 deg 9080.57 = The Max_ang = 9.43 deg
posted on March 15, 2017 
Physics
t= √ 2y/g = √2(10m)/9.8m/s^2 = √2(10)/9.8 = 3.19 s d= 3.19s(100) = 319.4 = 319m
posted on January 15, 2017 
calculus
The height of the the container/vessel is 4 cm so we use this to formulate the radius as h/4 in that specific time. V=1/3 pi (h/4)^2 (h) V=1/3 ((pi)(h^2))/16 (h) V=(pi h^3)/48 dv/dt= pi/48 ((3)(4)^2(2cm/sec)) dv/dt= pi/48 (96) dv/dt= (96 pi)/48 dv/dt= 2 pi
posted on October 18, 2016 
math10
Let 23=x 408=y N= final answer then âˆš(23+âˆš408)  âˆš(23âˆš408) becomes âˆš(x+âˆšy)  âˆš(xâˆšy) Equating it to N âˆš(x+âˆšy)  âˆš(xâˆšy)=N Solving this, N²= 2x2âˆš(x²y) Subsituting x=23 and y=408
posted on October 2, 2016 
Trigonometry
215
posted on July 13, 2016 
Science
Poop
posted on April 11, 2016 
physics
42
posted on December 3, 2015 
Physics
225j
posted on February 6, 2014 
Physical Chemistry
so the formula is W = nR∆T Thank you for the answer above:)
posted on August 8, 2011 
sciencebiome
plants and animals
posted on October 10, 2010 
Algebra
a.10
posted on May 3, 2010 
math
51...
posted on August 31, 2009 
Chemistry
Does the density of air change when it is heated in a closed container?
posted on May 26, 2009