Friday

July 29, 2016
Total # Posts: 1,129

**SIG FIGS**

How many significant figures does 22.0, 0.22, 22. , 0.022? Im just confused as to the decimal addition to numbers and what the sig figs will be for them. If you dont mind can you please state some rules for sig figs that are helpful and some confusing rules as well and pretty ...
*September 20, 2012*

**biology**

What are the step by step in finding the answer for this? 4C6H1206 carbon atoms: Hydrogen atoms: Oxygen atoms: Molecules:
*September 19, 2012*

**Stats**

Problem 29. Demand for cookies (Q) is given as follows: Q = 180/Pc + I/Pd + 3 Pc = price of cookies I = income Pd = price of donuts Note: Q=28, Pc=10, Pd=7 Given the above information what is the price elasticity of demand at Q=28?
*September 18, 2012*

**adv algebra**

name the property that each equation illustrates 83+6=6+83
*September 13, 2012*

**Math**

If 2(b + 1) < -6, then a. b < -4 b. b > -4 c. b < -7/2 d. b > -7/2
*September 10, 2012*

**Math**

If 2(b + 1) < -6, then a. b -4 b. b > -4 c. b < -7/2 d. b > -7/2
*September 10, 2012*

**accounting**

Logan Products computes its predetermined overhead rate annually on the basis of direct labor-hours. At the beginning of the year, it estimated that 38,000 direct labor-hours would be required for the period’s estimated level of production. The company also estimated $...
*September 8, 2012*

**accounting**

Selected T-accounts for Rolm Company are given below for the just completed year: Raw Materials Manufacturing Overhead Bal. 1/1 31,000 Credits ? Debits 390,000 Credits ? Debits 420,000 Bal. 12/31 56,000 Work in Process Factory Wages Payable Bal. 1/1 73,000 Credits 710,000 ...
*September 8, 2012*

**accounting**

The following cost data relate to the manufacturing activities of Black Company during the just completed year: Manufacturing overhead costs: Property taxes, factory $ 3,000 Utilities, factory 4,800 Indirect labor 9,900 Depreciation, factory 23,900 Insurance, factory 5,800 ...
*September 8, 2012*

**Phy 231**

A baton consists of a nearly massless rod of length L and two spheres attached to the end of the rod, whose masses are each M and whose centers are separated by L. The spheres have radius R. If the sphere radius R is not negligible compared to the length L, what is the moment ...
*July 31, 2012*

**Phy 231**

A CD-Rom starts from rest and undergoes uniform angular acceleration until it reaches 26,000 rpm in 0.25 s. Through what angle does it rotate during this time?
*July 31, 2012*

**Phy 231**

an 18-wheeler travels down the highway with a speed of 50 km/hr. each wheel has a 30 cm radius and a mass of 16 kg. what is the total kinetic(translational and rotational) energy of all 18 wheels?
*July 31, 2012*

**history**

Dictatorship
*July 21, 2012*

**Civics Moral Education**

I need help with my homework
*July 20, 2012*

**computers**

How can i tell python to stop printing something after a specific amount of time?
*July 13, 2012*

**human development**

what are the results of renee baillargeon's sliding carrot research may suggest the object permanence
*July 9, 2012*

**science**

what animals dont have a circulatory system. please answer fast thank you
*June 17, 2012*

**English Writing**

Apology letter Please help me thanks in advance? Hotel manager is writing a letter to one his customer because there is no room available for him. He came to watch football match with his family now. hotel manager put him up in the motel and paid for that. Manager is offering ...
*June 15, 2012*

**english**

The thesis statement tells the reader what the essay will be about, and what point you, the author, will be making. You know what the essay will be about. That was your topic. Now you must look at your outline or diagram and decide what point you will be making. What do the ...
*June 15, 2012*

**spelling bee**

thank you
*May 30, 2012*

**spelling bee**

how do you know when to use ous, ious, eous, or uous when spelling. im asking for in the sense of a rule or something that can help me out while im spelling. And if you have any can you please give me some other rules that my also help me out. Thank you
*May 30, 2012*

**algebra**

5x -4 = 304
*May 20, 2012*

**Algebra**

solve in (x-5) =7
*May 20, 2012*

**Chemistry**

the chemical dichlorobenzne will not disolve in water, what muct the polarity of dichlorobenznebe by and why?
*May 13, 2012*

**examinations**

i remember most of the things i'm actually pretty good in math usually with a 97+ average all the time. i'm also part of the math club in school. but i just want to know how well will i be able to do and how much time will i need to get a 95+ grade on the regents.
*May 6, 2012*

**examinations**

how long does it take to study for the algebra regents? do you think i can study for it in a month? I have taken the first 9 chapters of the barrons book and also studied for the shsat and passed but, will one month be enough for me to study and get at least a 95 and ...
*May 6, 2012*

**math**

A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground, to the nearest degree.
*April 23, 2012*

**physics please HELP !**

Which situations are examples of a particle with a non-zero acceleration? (Select all that are true for full credit.) a)A car driving around a circular track at constant speed. b)A child going back and forth on a swing c)A runner moving in a straight line with a constant speed...
*April 18, 2012*

**physics**

Which situations are examples of a particle with a non-zero acceleration? (Select all that are true for full credit.) a)A car driving around a circular track at constant speed. b)A child going back and forth on a swing c)A runner moving in a straight line with a constant speed...
*April 18, 2012*

**Science**

A weight lifter lifts a barbell from the ground, raises it at a constat velocity and holds it motionless over his head. How does the force of the lifter compare with the wieght of the barbell at different stages of the lift?
*April 11, 2012*

**algebra**

solve by addition method x +3y +z =6 3x + y – z = -2 2x +2y – z = 1
*March 30, 2012*

**physics**

A 67.5-kg basketball player jumps vertically and leaves the floor with a velocity of 1.66 m/s upward. (Take upward as positive and forward as positive.) (a) What impulse does the player experience? magnitude direction (up,down, back or zero) (b) What force does the floor exert...
*March 29, 2012*

**physics**

A 0.255-kg volleyball approaches a player horizontally with a speed of 14.2 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.0 m/s. (a) What impulse is delivered to the ball by the player? (b) If the player...
*March 29, 2012*

**physics**

A force of magnitude Fx acting in the x-direction on a 2.50-kg particle varies in time as shown in the figure below. (a) Find the impulse of the force. (b) Find the final velocity of the particle if it is initially at rest (c) Find the final velocity of the particle if it is ...
*March 29, 2012*

**algebra**

Could someone please help me with this? Is it possible to subtract two polynomials, each of degree 3, and have the difference be a polynomial of degree 2? If so, give an example. If not, explain why not. thanks
*March 28, 2012*

**algebra**

Could someone please help me with this? (1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.
*March 28, 2012*

**language arts**

try google.
*March 26, 2012*

**physics please help!!**

figures should help you. draw the figure of the radar gun and try solving it.
*March 26, 2012*

**Calculus**

yes ur correct.
*March 26, 2012*

**Chemistry**

How many mL of a .10 M NaOH solution are needed to neutralize 15 mL of .20 M H3PO4 solution? Write nbalanced equation: 3NaOH + H3PO4 → Na3PO4 + 3H2O 3mol NaOH recat with 1mol H3PO4 In all these titration questions, do it the simple way: Use the following equation: Ma*Va/...
*March 26, 2012*

**chemistry**

ok then no change.
*March 26, 2012*

**chemistry**

"!" Do you mean ->? No change because you are adding more solid to an equilibrium.
*March 26, 2012*

**Organic Chemistry**

Why would the presence of crystals of sample at the starting line cause streaking on a TLC plate?
*March 19, 2012*

**Economics**

Consider an economy with a constant nominal money supply, a constant level of real output Y = 100, and a constant real interest rate, r = 0.10. Suppose that the income elasticity of demand is 0.5 and the interest elasticity of money demand is –0.1. By what percentage ...
*March 19, 2012*

**english**

@Ms. Sue Thank yo, but I was looking more for an explanation on the 3 main motifs because I am having a hard time understanding where to find them! :(
*March 12, 2012*

**english**

What are 3 main motifs in Act III of Hamlet?
*March 12, 2012*

**business math**

an office worker earns $3,450 monthly. the worker ios kmarried and claims two exemptions. find the FIT to be withheld from his monthly check using the percentage method ans using the wage bracket method.
*March 11, 2012*

**physics**

A skater of mass 74.5 kg initially moves in a straight line at a speed of 5.10 m/s. The skater approaches a child of mass 37.5 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocity?
*March 10, 2012*

**english**

sorry its connotations
*March 9, 2012*

**english **

what are some contractions of hawaii
*March 9, 2012*

**english**

thank you
*March 9, 2012*

**english**

i mean is a musical group for four instruments. is an absolute phrase
*March 9, 2012*

**english**

he learned to play in a quart a musical group for four instruments ithink its an abslout phrase
*March 9, 2012*

**Chemistry**

Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g)<--> 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2]= 0.200 mol/L, [F2]=0.0100 mol/L, and [OF2]=0.0633 mol/L Chemistry - DrBob222, Thursday, March 1, ...
*March 2, 2012*

**Chemistry**

I get 8.01 for an answer, but webassign says it's wrong. [0.0633]^2/[o.0100]^2[o.200]=8.01378
*March 1, 2012*

**Chemistry**

Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g)<--> 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2]= 0.200 mol/L, [F2]=0.0100 mol/L, and [OF2]=0.0633 mol/L
*March 1, 2012*

**Math**

13 people take a test & 11 passed what percentage passed
*March 1, 2012*

**Math**

You want to have 1.5 million in real dollars in an account when you retire in 40 yeras. the nominal return on your investment is 11 percent and the inflation rate is 3.8 percent. What real amount must you deposit each year to achieve your goal? My answer is this correct: real ...
*February 29, 2012*

**geometry**

if a is (3,0) and b is (11,6) and ab is 2x+4 then what does ab equal?
*February 29, 2012*

**calculus**

x (to the power of 3) + 40 / y - (10 + 3) what is the value of the expression when x=4 and y=8?
*February 29, 2012*

**Math**

undefined is what % of undefined?
*February 29, 2012*

**Calculus and Vectors**

what is g and h supposed to be?
*February 27, 2012*

**Calculus and Vectors**

A bald eagle flying horizontally at 48km/h drops it's prey from a height of 50m. a)what is the prey's vertical velocity when it hits the ground? b)when is the vertical speed greater than the horizontal speed?
*February 27, 2012*

**physics**

Limo kicks a ball vertically upwards from 1m above the ground at 18m/s. It rises to its highest point and then falls down, just getting caught on a branch 5.5m above the ground. (ignore any sideways movement) How long is the ball in flight?
*February 27, 2012*

**English Literature**

I need help with "THe Noisless Flash" from herishoma written by john hersey. I have a project and my job is to fina and record two objective details from the character Reverend Tanimoto's account. Then, change those details to subjective ones. Next, find and ...
*February 17, 2012*

**Math**

Is 4^33 + 3^44 divisible by 5? Please help ASAP. This is due tomorrow. Thank you very much :)
*February 15, 2012*

**physics**

What is the weight of a 12 kg mass on the moon if the gravitational acceleration (g) was only .8 m/s/s?
*February 14, 2012*

**math**

the bulletin board is 48 inches long and 24 inches wide. How many yards would they need for the trim?
*February 11, 2012*

**physics**

A small mailbag is released from a helicopter that is descending steadily at 2.20 m/s. How far is it below the helicopter? D= What if the helicopter is rising steadily at 2.20m/s? D=
*February 9, 2012*

**english**

Need help with writing an allegorical timeline of high school life (4 yrs.)
*February 9, 2012*

**math**

1/2t-1/6(4-10)<0
*February 7, 2012*

**math**

1/2-m/22>-1/11
*February 6, 2012*

**math**

A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 12% per year. If the interest earned in the first year is $730, how much did she invest in each account?
*February 6, 2012*

**Physics **

A hiker, who weighs 990 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3550 N, and rests on two concrete supports, one at each end. He stops one-fifth of the way along the bridge. What is the magnitude of the force that a...
*February 6, 2012*

**math**

...A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 12% per year. If the interest earned in the first year is $730, how much did she invest in each account?
*February 5, 2012*

**algebra**

The third angle in an isosceles triangle is 56° more than twice as large as each of the two base angles. Find the measure of each angle.
*February 5, 2012*

**intermediate algebra**

A triangle is such that the largest angle is 11 times the smallest angle. The third angle is 27° less than the largest angle. Find the measure of each angle. (Enter solutions from smallest to largest.)
*February 5, 2012*

**physics**

A train 400 m long is moving on a straight track with a speed of 80.1 km/h. The engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 16.9 km/h. Assuming constant acceleration, determine how long the train blocked the crossing. ...
*February 3, 2012*

**physics**

A train 400 m long is moving on a straight track with a speed of 80.1 km/h. The engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 16.9 km/h. Assuming constant acceleration, determine how long the train blocked the crossing. ...
*February 3, 2012*

**physics**

A car starts from rest and travels for 6.0 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.0 m/s2. If the brakes are applied for 3.0 s, determine each of the following. (a) How fast is the car going at ...
*February 3, 2012*

**Physics**

There is no given figure, you have to draw it from the question.
*January 31, 2012*

**Physics**

The figure shows the treatment of fractures of the humerus shaft with a cast of the upper arm bent by 100 to 110 degrees at the elbow joint, and an attached traction device. The traction device keeps the upper arm under tension to lower the risk of fracture dislocation due to ...
*January 31, 2012*

**physics**

on an exam i had to day this was the question:A painter of mass 50.0 kg stands on a platform of mass 40.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 400.0 N. Assuming a coordinate system where +y is up, calculate the y-...
*January 28, 2012*

**Algebra 1 Honors**

A diver is working 10 feet below the surface of the water. The gap between the water and the deck of his support barge is 1/8 of the total legnth of the air hose , and 3/4 of the total legnth remains on the reel. What is the maximum working depth without a change of equiptment...
*January 26, 2012*

**Business**

Firm A and firm B have debt-total asset ratios of 35% and 30% and ROA of 12% and 11%, respectively. Which firm has a greater ROE? I think that it is firm B since it has more equity financing its assets.
*January 24, 2012*

**math**

Solve 2³ -1 • (3 + 6) + 3
*January 23, 2012*

**math**

a jar of jelly beans contains 33 red, 52 white, 70 yellow ad 85 orange. To the nearest whole percent, what percent of the total jelly beans are orange?
*January 22, 2012*

**integrated algebra**

oh, okay, thank you!
*January 13, 2012*

**integrated algebra**

do i always have to mention the ors
*January 13, 2012*

**integrated algebra**

before looking at your answer i found the answer to be 0 too but like this: x^2-3x=0 x^2-3x+0=0 (x-0)(x+0)=0 0^2-3(0)=0 was my way right
*January 13, 2012*

**integrated algebra**

how can you solve x^2 - 3x = 0 i was using a formula as: x^2-7x+10=0 (x-5)(x+2)= 0 x-5=0 x+5 +5 x=5 I was following this formula but got stumped on this question please help.
*January 13, 2012*

**celebrity fame**

thanks alot
*January 10, 2012*

**celebrity fame**

so....... can u plz help me????????????
*January 10, 2012*

**celebrity fame**

it's not gossip!!!!!!!!!! it's for my research report about taylor lautner!!! its for my english grade
*January 10, 2012*

**celebrity fame**

taylor lautner and lily collins from the movie abduction?????
*January 10, 2012*

**celebrity fame**

are taylor lautner and lily collins going out????
*January 10, 2012*

**literacy**

who publishes Pediatric Nursing?
*January 9, 2012*

**history**

thank you
*January 6, 2012*

**history **

who came up with the idea of the school bus?
*January 6, 2012*

**u.s history**

who is the president of the united states?
*December 21, 2011*