Monday

April 21, 2014

April 21, 2014

Total # Posts: 855

**Physics**

A rogue chipmunk has been raiding the secrete acorn stash of 3 squirrels. On discovering the perpetrator in the very act they secure him with 3 ropes and attempt to pull him off the limb where he falls to his demise. The first squirrel pulls at an angle of 12 degrees with a fo...

**Chemistry**

Solve the following pls. Calculate the number of grams in these quantities: 1. 0.0600 mol HC2H302 2. 4.50 x10^21 molecules glucose C6H2O6

**Psychology**

what is the study called where the same people are tested repeatedly at different ages?

**math 6th grade**

what does y=x

**math**

A drawer contains exactly 5 red socks, 8 blue socks, 10 while socks, 12 green socks , and 7 yellow socks. Find the least number of socks to be chosen which will guarantee that there will be at least seven socks of the same color.

**4th Math**

can u help me find the input and output?Input numbers are 3,5,9 and output numbers are 12,15,30,33 and how u got the answers

**Exceptional Child**

James wants a new toy. He says, "James toy". He is using: A. short sentences B. telegraphic speech. C. baby talk. D. holophrastic speech.

**trig**

I don't understand what to do after i convert everything into cos and sin. Verify: cosx(tanx+cotx)=cscx

**chemistry**

first you must find the # of moles of NaCO3 produced: 79g NaCO3/83g(per mole of NaCO3)NaCO3 = .95 moles NaCO3 then you compare the # of moles in the equation, its a 1:1 molar ratio NaO + CO2 ==> NaCO3 (use dimensional analysis) .95 mol NaCO3| 1 mol NaO | 39g NaO ___________...

**SCIENCE 9 URGENT!!**

2. Look into the urinary system or urogenital system. (This is just a guess) You can do more research on the internet. But it can get you started.

**SCIENCE 9 URGENT!!**

4. The testes are outside of the body. Because sperm can only live at a specific temperature. Our body temperature is too hot for them, and they would die. That is why they have to be outside of the body.

**English**

Thank you I thought it might be an intensive pronoun because if removed the meaning os the sentence would be the same.

**English**

In this sentence: Matt began to see himself differently after he talked to Mr. Bataky. In this sentence "himself" is an object pronoun, subject pronoun, intensive pronoun, reflexive pronoun?

**Chemistry**

how do you balance the equation with H3PO4(aq)and BaCl2(aq)?

**math**

What percent of $1.00 is a nickel?

**math**

Thank you

**math**

I am not sure why you multiplied. Can you explain that. Thank you

**math**

If there is 1/6 of a cake and Mitchell only wants 3/12 of it, how much of the cake does he want

**physics**

Two objects (39.0 and 21.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.

**physics**

A student is skateboarding down a ramp that is 8.48 m long and inclined at 16.4° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 3.94 m/s. Neglect friction and find the speed at the bottom of the ramp.

**Pre Cal**

f(x) = log3(93 x + 3 815 x + 3)

**Home, school, Communication**

I went back and looked again. You're correct C is the right answer. thank you

**Home, school, Communication**

Sandwiching refers to all of the following EXCEPT: A a communication technique that is often useful. B providing less plesant news between two more plesant ideas. C litening carefully. D beginning and ending communication on positive note. I pick A

**Math**

Write an algebraic expression for the verbal expression: five times the sum of three and f

**Home, School and community**

I pick A

**Home, School and community**

Which of the following is NOT always true about parents who ask for special treatment? A They are trying to take advantage of a teacher. B They want the best for their child. C They require thoughtful consideration of how to provide for request. D they won't understand if ...

**trig**

i have to draw a flat unit circle all the way to 4 pi in radians. i can get to 2 pi but i have trouble finding the radians if i went one more time around the unit circle.

**Math**

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. Thank you!!!

**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 ...

**biology**

What are the step by step in finding the answer for this? 4C6H1206 carbon atoms: Hydrogen atoms: Oxygen atoms: Molecules:

**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?

**adv algebra**

name the property that each equation illustrates 83+6=6+83

**Math**

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

**Math**

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

**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 $56...

**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 Debi...

**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 Tot...

**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 ...

**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?

**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?

**Civics Moral Education**

I need help with my homework

**computers**

How can i tell python to stop printing something after a specific amount of time?

**human development**

what are the results of renee baillargeon's sliding carrot research may suggest the object permanence

**science**

what animals dont have a circulatory system. please answer fast thank you

**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 ...

**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 ma...

**spelling bee**

thank you

**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

**algebra**

5x -4 = 304

**Algebra**

solve in (x-5) =7

**Chemistry**

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

**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.

**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 understan...

**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.

**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...

**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...

**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?

**algebra**

solve by addition method x +3y +z =6 3x + y – z = -2 2x +2y – z = 1

**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...

**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...

**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 i...

**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

**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.

**language arts**

try google.

**physics please help!!**

figures should help you. draw the figure of the radar gun and try solving it.

**Calculus**

yes ur correct.

**Calculus**

yes ur correct.

**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/...

**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/...

**chemistry**

ok then no change.

**chemistry**

"!" Do you mean ->? No change because you are adding more solid to an equilibrium.

**Organic Chemistry**

Why would the presence of crystals of sample at the starting line cause streaking on a TLC plate?

**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 doe...

**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! :(

**english**

What are 3 main motifs in Act III of Hamlet?

**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.

**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?

**english**

sorry its connotations

**english **

what are some contractions of hawaii

**english**

thank you

**english**

i mean is a musical group for four instruments. is an absolute phrase

**english**

he learned to play in a quart a musical group for four instruments ithink its an abslout phrase

**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, 201...

**Chemistry**

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

**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

**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 ...

**geometry**

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

**calculus**

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

**Math**

undefined is what % of undefined?

**Calculus and Vectors**

what is g and h supposed to be?

**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?

**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?

**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 reco...

**Math**

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

**physics**

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

**math**

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

**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=

**english**

Need help with writing an allegorical timeline of high school life (4 yrs.)

**math**

1/2t-1/6(4-10)<0

**math**

1/2-m/22>-1/11

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