Sunday
December 4, 2016

# Posts by Micheal

Total # Posts: 147

physics
Specific heat capacity of a certain metal is found by heating the metal and then placing it into water which is in a container made of the same material. The metal has mass of 100g and is heated to 100 degrees celsius. The container has mass of 200g and contains water of 500g ...
November 22, 2016

Accounting
it wouldn't be posted to the general journal. Becuase.........
November 16, 2016

Physics
A 1500kg car traveling at a steady speed of 20 m/s initially due northwest round a corner so that after 10s, it is traveling due northeast. What is the magnitude and direction of the net force that must be acting on the car at the instant it is traveling due north?
October 24, 2016

Science
In a home's central heating system when the room temperature measured by thermostat reaches a set value, the thermostat sends a message to the heater, and the heater switches off. These actions are an example of: A. a model. B. feedback. C. input. D. A process Is it B?
September 20, 2016

math
Ten years ago,father was twelve times as old as his son and ten years from now,he will be twice as old as his son. Find the present age
June 5, 2016

Math
Explain how the area of a parallelogram is related to the area of a triangle when both figures have the same base and height
May 6, 2016

Math/Precal
i would like help for x with the equation: 2(3^x)=5
April 21, 2016

Math
The function y = 6 + 1.25x can be used to find the cost of joining an online music club and buying x songs from the website. Based on this information, which statement about the graph of this situation is true? F. The y-intercept of the graph represents the cost of each song. ...
February 17, 2016

Chemistry
A car travels at 28 miles per gallon. How many kilometers will it travel per liter of gasoline?
January 25, 2016

Algebra II, part 2
Again thanks.
November 24, 2015

Algebra II, part 2
Part 2 of homework set. 6. Solve the quadratic using the quadratic formula. 2x^2+5x+9=0 7. Find the discriminant. Then determine the number and types of solutions. 2x^2+3x-18=0 8. Simplify Root -27 9. Simplify 8/(3+2i)
November 24, 2015

Physics
3.A brown flower pot is dropped from an open window from the top floor of a brick apartment building on a Sunday afternoon in April. It fell 3.00 seconds before crashing into multiple pieces on the wet sidewalk below. How far did the flower pot fall?
November 18, 2015

Physics
2.An airplane flies north at a constant speed of 220 km/h. How far will the plane travel in 3.50 h?
November 18, 2015

Physics
3.A brown flower pot is dropped from an open window from the top floor of a brick apartment building on a Sunday afternoon in April. It fell 3.00 seconds before crashing into multiple pieces on the wet sidewalk below. How far did the flower pot fall?
November 18, 2015

Thematic poetry
it is the pattern of rhyming lines within a poem.
September 14, 2015

physics
the first law of thermodynamics can be expressed with the equation ΔU=ΔQ+ΔW where ΔU is the change of internal energy,ΔQ is the heat supplied to the system. Apply the first law to the brakes of a train as the brakes are applied and the train ...
July 2, 2015

Electrolysis
A current of 1.2A was passed through an electrolytic cell containing dilute Tetraoxosulphate(VI) for 40minutes. Calculate the volume of gas produced at s.t.p.
June 16, 2015

statistics
1. Suppose the estimate of a proportion of a normal population is to be within 0.05 using the 95% confidence level. How large a sample is required if: a. It is known from previous studies that p = 0.3? b. There is no prior knowledge of p? 2. Each of the following is a large-...
March 31, 2015

math
The temperature outside was 3 degrees Fahrenheit at midnight. During the next hour the temperature fell 7 degrees. What was the temperature at 1 A.M. Can u explain to me how to do it please
January 12, 2015

Taxtation
Another client, Ms. Dunham, has asked you to help her understand how her tax is computed. You need to provide Ms. Dunham with the following: An example of how to calculate the tax liability using the tax rate table and the tax rate formula for a taxpayer with taxable income of...
October 15, 2014

Physics
Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find the coefficient of ...
July 13, 2014

Physics
Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find the coefficient of ...
July 13, 2014

econ
This chart shows the components of nominal GDP for the years 2000 and 2001. All figures are in billions of current dollars. Components 2000 2001 Consumption \$6,684 \$6,987 Investment \$1,755 \$1,560 GovernmentSpending \$1,751 \$1,858 Exports \$1,101 \$1,034 Imports \$1,467 \$1,383 ...
April 7, 2014

physics
If the specific gravity of mercury is 13.6 and the atmospheric pressure is 70cm of mercury, what is the total pressure of gas supply in cm of water
March 29, 2014

Math
1 4/6
March 3, 2014

government
what is the censorship of information before it is published
February 27, 2014

accounting
On December 31, 2013, a company issues bonds with a par value of \$600,000. The bonds mature in 10 years, and pay 6% annual interest, payable each June 30 and December 31. The bonds sold at \$592,000. The company uses the straight-line method of amortizing bond discounts. The ...
February 4, 2014

accounting
On December 31, 2013, a company issues bonds with a par value of \$600,000. The bonds mature in 10 years, and pay 6% annual interest, payable each June 30 and December 31. The bonds sold at \$592,000. The company uses the straight-line method of amortizing bond discounts. The ...
February 4, 2014

Chem
I got part a but part b I'm having trouble with I keep getting 56.2mL. I'm not sure what the next step is really to find part b. A. How would you prepare 250 mL of a 0.150 M solution of CoCl2 from solid CoCl2 and distilled water? Dissolve 4.87 grams solid CoCl2 into ...
November 8, 2013

Finance
Assume a bank has \$5 million in deposits and \$1 million in vault cash. If the bank holds \$1 million in excess reserves and the required reserves ratio is 8 percent, what level of deposits are being held?
October 22, 2013

differentiation
Derive the central difference approximation for f′′(x) accurate to O(h4) by applying Richardson extrapolation to the central difference approx- imation of O(h2).
November 18, 2012

Thanksgiving writing
November 16, 2012

physics (speed of plane by radar)
The radar stations A and B, separated by the distance a = 500 m, track the plane C by recording the angles α and β at 1-second intervals, If three successive readings are shown in the table,calculate the speed v of the plane and the climb angle y at t = 10 seconds as...
November 11, 2012

Geometry
its 12x+3
November 1, 2012

Dynamics
Okay so I have a 1/2 in thick ellipsoidal steel plate where (p=493 lb/ft^3) and it has a major axis diameter of 4ft and a minor of 2ft. the plate rolls w/out slipping (friction=0.15) and in a vertical position has an angular velocity of of w=4 rad/s(i.e. the 4 ft diameter is ...
April 19, 2012

physics
A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, and then 5.00 blocks east.
February 22, 2012

physics
A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north to city B. Finally, the plane flies 190 km ...
February 22, 2012

physics
A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 8.10 m east, the second 6.00 m south. What displacement would have been needed to get the ball into the hole on the first putt?
February 22, 2012

physics
A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream with water speed equal ...
February 22, 2012

physics
A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream with water speed equal ...
February 22, 2012

math
4^(x 1) - 6^x - 2.9^(x 1) = 0
February 19, 2012

Physics
A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?
February 17, 2012

Physics
A wheel with a radius of 20 cm is attached to an axle with a radius of 1cm. An effort force of 100 N on the wheel counters a resistance force of what on the axle?
February 17, 2012

Physics
How much effort force is required to life an 11000-N beam using a pulley system with a mechanical advantage of 20?
February 17, 2012

Physics
A car parked on a hill. The driver starts the car, accelerates until the car is driving at constant speed, drives at constant speed, then brakes to put the brake pad in contact with the spinning wheels. How is static friction, sliding friction, rolling friction, and air ...
February 17, 2012

Science
A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?
February 17, 2012

Science
How much effort force is required to life an 11000-N beam using a pulley system with a mechanical advantage of 20?
February 17, 2012

science
A wheel with a radius of 20 cm is attached to an axle with a radius of 1cm. An effort force of 100 N on the wheel counters a resistance force of what on the axle?
February 17, 2012

Math
A spinner is divdided into 10 equal sectors and numbered 1 through 10. Find the probability as a fraction, a decimal and a percent for P(composite numbers.
January 26, 2012

Science
A ball has a potential energy of 180 J and a kinetic energy of 0 J. After falling 2m, it has a potential energy of 135J. What is its kinetic energy at this point? PLEASE ANSWER THIS I'M STUCK!
January 19, 2012

Science
WHen a wrecking ball hits a wall, it is usually moving at about 10 km/h, which is not very fast. How can this ball knock down a solid wall?
January 19, 2012

Science
A ball has a potential energy of 180 J and a kinetic energy of 0 J. After falling 2m, it has a potential energy of 135J. What is its kinetic energy at this point?
January 19, 2012

Science
An 80 kg person decides to jump off the back end of a 30 kg canoe. His friend measures the speed of the canoe after he jumps to be 0.8 m/s. The canoe was initially at rest. What rule would I use to find the speed of the person who jumped?
January 19, 2012

Science
Suppose you and your bicycle have a total mass of 70 kg. YOu are moving at 10m/s. How much kinetic energy do you and the bicycle have?
January 19, 2012

math
mario wants to put a rectanguar frame on a picture of a snowboarder.he has 18cm of string to make a the frame. Q-does he have enough strings and what could be the dimensions.
December 28, 2011

math
\$35 soccer cleats marked up 95%
December 18, 2011

math
1.35/1.35=x, 59.4/1.35=44
December 18, 2011

math
yes its marked up
December 18, 2011

math
can u help me with a problem like this find the original price: tickets marke35% to \$59.40 and find the percent of the discount or markup: \$52 sweater on sale for \$31.20 please help
December 18, 2011

math
well i think you multiply 4 by 125 but i don't know and its not one of my options i have
December 18, 2011

math
125 pounds decreased by 4%
December 18, 2011

science
A push is an example of what?
November 16, 2011

maths
find the general solution of the following first order differential equation. dx/dt = t*x + 6*t(exp)-t^2 pls show working
October 26, 2011

maths
please help find the general solution of the following first order differential equation. dx/dt = tx + 6t(exp)-t^2 pls show working
October 26, 2011

Math
A restaurant manager lost \$415 in business during the month of January. Business picked up in February, and he ended that month with a profit of \$1580. What if the restaurant lost \$245 in business during the month of March. What was the manager's profit after January, ...
August 25, 2011

Chemistry
How to seperate acetic acid from aqueos solution.
July 5, 2011

Chemistry
How to seperate acetic acid from aqueos solution.
July 5, 2011

english 3
The beauty and splendor of Gatsby's parties masked the innate corruption within the heart of the Roaring Twenties. Jazz-Age society was a bankrupt world, devoid of morality, and plagued by a crisis of character."
June 29, 2011

Algebra
In 1993, the life expectancy of males in a certain country was 71.5 years. In 1998, it was 73.6 years. Let E represent the life expectancy in year t and let t represent the number.
May 7, 2011

math
If an electrician works for \$750.00 per hour. What would be his salary for 2 days?
April 4, 2011

acct
Business is going well for Email Designers. The board of directors of this family-owned company believes that Email Designers could earn an additional \$1,000,000 income before interest and taxes by expanding into new markets. However, the \$4,000,000 the business needs for ...
January 29, 2011

Science
Would you expect orange juice to be more dense than water? Explain.
January 24, 2011

electrics
mechanical engineering
January 13, 2011

3rd grader math homework
write to explain. bethany has 43 apples. write a subtraction story about the apples that would requiem for a dream
November 3, 2010

social studies
can someone help me start my persuasive essay on vote for amendment 2 2010?
November 2, 2010

Math
the answer is 0!
November 2, 2010

algebra
(5c²+5cd)+(4c²d-2cd-6)+(-cd+8)
June 2, 2010

Computer Programming
Hoe do I write a program to Create a C++ console application that uses cout to display a box of asterisks?
April 29, 2010

math
Using only these numbers once for each answer 8,1,4,3,7 the product of two 2 digit numbers plus a number is 3,355. What are the numbers?
April 28, 2010

Using only 8,1,4,7,3 only appearing once in an answer. The product of two 2 digit numbers plus a number is 3,355. What are the. Numbers?
April 28, 2010

math
4/x - 4/y divided by y^2 - x^2 / 4 4/x - 4/y = (4y -4x )/xy taking the LCD y^2 -x^2 = (y +x )(y-x) using the differences of square formula it would be 4y- 4x / xy divided by (y-x)(y+x) / 4 Do the reciprocal and multiply with the fractions 4 (y-x ) .xy * 4 / (y-x)(y+x) Answer ...
February 18, 2010

math
1000000000000000000000000000000000000000+1234567891011=
December 5, 2009

Math
Write the negation of the following: A snowy day is cold.
November 16, 2009

Math
Give a verbal, visual, numerical, and graphic representation for the idea one and one-sixth.
November 16, 2009

algebra II
Two runners at opposite ends of a 5 mile bridge begin jogging towards each other. Runner A is running at 5 mph, runner B is running at 4 mph. A mosquito lands on one runner as he starts on the bridge than proceeds to fly back and forth between the runners at 8 mph. How far has...
September 28, 2009

Chemistry
2CH3OH(l)+3O2(g)-->2CO2(g)+4H20 +1350 kj 1. What mass of water could be heated from 20.0 C to 35 C,by burning 48g of methanol? This is what I did, no answer was given so I want to double check. so q=mcT change in H=n(molar enthalpy) c= 4.184 kj/(kg C) So what I did was ...
July 27, 2009

chemistry
thanks
July 23, 2009

chemistry
1. Need help Assigning oxidation numbers. Is it true that wehn looking at atoms in compounds from group 1 or 2 they are given the oxidization number which is the same as there charge example NaCl Na has an oxidization number of 1? But is this also true for atoms in compounds ...
July 23, 2009

math
36/24=24/x cross mulitply solve for x i get 16
July 23, 2009

science
since when is water blue
July 23, 2009

math
1.3x=1430 x=1430/1.3=1100 so the attendance from last year since it fell by 35% last year only 65% is left so 0.65(1100)= 715 so this years attendance was 715 students
July 23, 2009

math
M= (y2-y1)/(x2-x1) so (-3-5)/(10-9)=-7
July 22, 2009

science
when crystals collide with dissolved ions the substance precipitates out of solution and when crystals collide with water they for dissolved solute... does this have anything to do with equillibrium and what does precipitate out of solution imply?
July 21, 2009

science
solubility equillibrium is dynamic equillibrium between undissolved excess solute and solvent or aqueous solution and crystal in a saturated solution. so rate of dissolving = rate of crystalization if any more solute is added it will disrupt equillibrium and a precipitate will...
July 21, 2009

religion
Thanks for the response it is actually 9:23p.m. here and I have all day tomorrow if I don't finish it tonight
June 25, 2009

religion
Hello I need some help I have a paper due and I need to ask a pastor a few questions about religion this is due friday and i'm trying to get it done tonight is there is anyone who can help please do thank you so much.
June 25, 2009

math
The perimeter of a rectangle is 128m. The length is 4m more than twice the width. Find the dimensions.
June 16, 2009

math
Solve by substitution method 8x+9=-2 -9x+y=69 what is the solution of the system?
June 16, 2009

1. Pages:
2. 1
3. 2
4. Next>>