Sunday

July 24, 2016
Total # Posts: 2,288

**Chemistry 1**

What answer should be reported, with the correct number of significant figures, for the following calculation: (965.43 x 3.91) + 9413.4136 I got 13189 as an answer. Can someone let me know if this is right?
*September 17, 2011*

**Chemistry 1**

What answer should be reported, with the correct number of significant figures, for the following calculation: (965.43 x 3.91) + 9413.4136 I got 13189 as an answer. Can someone let me know if this is right?
*September 17, 2011*

**Math**

A triangle has a base of 10 inches and a height of 20 inches. If the area of a triangle is one - half the product of its base and height, what is 20 % of its area?
*September 15, 2011*

**Physics**

Cmon man
*September 11, 2011*

**Physics**

You have two forces, 106.8 N and 50.8 N. What is their resultant if the first acts upward and the second acts downward? What is the direction of the resultant? What is their resultant if they both act downward? What is the direction of this resultant?
*September 11, 2011*

**Physics**

Consider three force vectors ~ F1, ~ F2, and ~ F3 with magnitude 43 N and direction 53; mag- nitude 94 N and direction 162; and magni- tude 59 N and direction 288, respectively. All direction angles are measured from the posi- tive x axis: counter-clockwise for...
*September 11, 2011*

**Physics**

Tom the cat is chasing Jerry the mouse across the surface of a table 1.4 m above the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5.8 m/s. Where will Tom strike the floor?
*September 10, 2011*

**Physics**

A plane flies from base camp to lake A, a distance of 300 km at a direction of 20.0° north of east. After dropping off supplies, the plane flies to lake B, which is 210 km and 30.0° west of north from lake A. Graphically determine the distance and direction from lake B...
*September 10, 2011*

**physical science**

Potential energy, as the boy is not in motion and is suspended above the ground. If you wanted to find the energy, the equation is; PE = mgh PE = 30 x 9.8 x 3 PE = 882J
*September 10, 2011*

**MATH**

this is really confusing
*September 5, 2011*

**physics**

single force equivalent of the two forces is a magnitude of 190.1696 N The direction is 75.9 degrees counterclockwise the force a 3rd person would have to exert to make the net force zero is 188.48 N
*September 4, 2011*

**Quantitative Methods in Business**

Do you know where to find this answer?
*August 30, 2011*

**buckey trail**

How much time will elapse between seeing and hearing an event that happens 400.0 meters from you and the temp is 20 derees celcius?
*August 25, 2011*

**math**

Sam kicks a ball horizontally along a deck that is 5 m above the ground. The ball goes off the edge of the deck. A model for the path of the ball once it leaves the deck is a parabola. The equation of the parabola is y = ax^2+ bx + c. The ball hits the ground at a horizontal ...
*August 23, 2011*

**Math**

Simplify 1 over [(cube root 2) + 1]
*August 17, 2011*

**fp 101**

Character
*August 12, 2011*

**physics**

A 5.88 g bullet is fired vertically into a 0.9 kg block of wood. The bullet gets stuck in the block, and the impact lifts the block 0.87 m up. (That is, the block — with the bullet stuck in it — rises 0.87 m up above its initial position, and then falls back down.) ...
*August 9, 2011*

**physics**

Two balls have masses 44 kg and 86 kg. The 44 kg ball has an initial velocity of 80 m/s (to the right) along a line joining the two balls and the 86 kg ball is at rest. The 86 kg ball has in initial velocity of −24 m/s. The two balls make a head-on elastic collision with...
*August 9, 2011*

**Math**

There are a total of 107 chickens and rabbits on a farm. The total number of legs of rabbits is 56 more than the total number of legs of chickens. How many chickens are there on the farm?
*August 3, 2011*

**Road Building+Environment**

In what ways did the technology of metal making and road building alter humanity's relationship with their environment during ancient times and before?
*July 31, 2011*

**acting?film**

does anyone know a website that i can recover deleted photos for free when i download i see my pic go through then when i want my pictures to save them they say i have to pay does anyone know one that doesnt have to pay if i want to save them thanks
*July 30, 2011*

**computer**

Write a menu driven program that either accepts words and their meanings, or displays the list of words in lexicographical order (i.e. as in a dictionary). When an entry is to be added to the dictionary you must first enter the word as one string, and then enter the meaning as...
*July 29, 2011*

**java**

Write a menu driven program that either accepts words and their meanings, or displays the list of words in lexicographical order (i.e. as in a dictionary). When an entry is to be added to the dictionary you must first enter the word as one string, and then enter the meaning as...
*July 28, 2011*

**Chemistry**

3.8% decomposed
*July 18, 2011*

**MATH**

There are 5 red and 4 black balls in a box. If three balls are picked without replacement, what is the probability that at least one of them is red?
*July 11, 2011*

**business law**

Should American companies refuse to do business in countries? a) That do not practice democracy? b) That routinely practice discrimination? c) That tolerate or even encourage the abuse of children? Explain.
*July 9, 2011*

**macroeconomics**

Generally speaking, the greater the amount of financial wealth people hold in the form of near-monies, the: A) greater is their willingness to spend out of their money incomes, B) less is their willingness to spend out of their money incomes, C) greater is the transactions ...
*July 4, 2011*

**macroeconomics**

which combinations of fiscal policy actions would most likely be offsetting? A) increase taxes and government spending B) decrease taxes and increase government spending C) increase taxes, but make no change in government spending D) decrease taxes, but make no change in ...
*July 4, 2011*

**physics**

a= 5m/^2
*June 30, 2011*

**Business Math 205**

Calculate the PRESENT VALUE ANNUNITIES. Round to the nearest cent when necessary. Annunity Payment:$500 Payment Frequency:(Every 3 months)Time Period YRS:(2)Nominal Rate%:(16)Interest Compounded:(Quarterly) Present Value Of The Annuity is What?
*June 25, 2011*

**Business Math 205**

Calculate the PRESENT VALUE of the following ORDINARY ANNUITIES. Round to the nearest cent when necessary. Annuity Payment:($3,000) Payment Frequency: (Every Year) Time Period YRS:(15)Nominal Rate%:(10)Interest Compounded:(Annually)Present Value Of The Annuity is What?
*June 25, 2011*

**Business Math 205**

The Stockton Bears Baseball Club Deposits $6,000 at the BEGINNING of each 3-month period for 6 years in an account paying 8% interest compounded quarterly. How much will be in the account at the end of the 6-year period?
*June 25, 2011*

**business math 205**

Calculate the future ANNUITIES DUE. Round to the nearest cent when necessary. Annunity Payment:($3,000)Payment Frequency: Every (6) months Time Period Yrs: (5) Nominal Rate%: (10)Interest Compounded: Semiannually Future Value Of The Aunnuity Is What?
*June 25, 2011*

**Business Math 205**

Zuck M. Drye Bank is paying 12% interest compounded monthly.How much will $200 deposited at the end of each month be worth after 3 years?
*June 25, 2011*

**business math 205**

Calculate the future of the following Ordinary Annuities. Round to the Nearest cent when necessary. Annunity Payment ($3,000) Payment Frequency Every (6) Months Time Period (years) 10 Interest Compounded (Semiannually) Future Value Of The Annuity is What? Annuity Payment ($100...
*June 25, 2011*

**accounting**

Mitchell Corporation has current assets of $1 million and current liabilities of $750,000. If they pay $250,000 of their accounts payable, what will their new current ratio be? (Points: 4) 1.25:1 2.0:1 2.0:1 1.5:1
*June 22, 2011*

**accounting**

the answer is 5.00
*June 22, 2011*

**accounting**

For 2010, Fielder Corporation reported net income of $30,000; net sales $400,000; and average shares outstanding of 6,000. There were no preferred stock dividends. What was the 2010 earnings per share? (Points: 4) $4.66 $0.20 $66.67 $5.00
*June 22, 2011*

**chemistry**

Answer= 0,005
*June 21, 2011*

**PSY/300**

How do classical conditioning procedures differ from operant conditioning procedures?
*June 15, 2011*

**business communication**

if a group dones not formally vote during a meeting
*June 11, 2011*

**math**

How would I come about to the solution and what the answers to the question so I can help my son with his school work? 1.Check all the answers that are square roots of 36 a. 36^1/2 b.-(36)^1/2 c.9 d.6 e.-6 f. √36 2.)Which answers are equal to the expression 2 x √9 ...
*June 7, 2011*

**science**

You are standing 20 cm directly away from from the mid-point of a long, straight current carrying wire that runs east/west and are experiencing a magnetic field B1 due to the wire. If you were to move a new location that is 7 cm to the east of your initial location and 5 cm ...
*June 7, 2011*

**chemistry**

An electromagnetic field is generated by: A) an electron moving at constant speed in a straight line B) a proton moving in a circle C) an neutron moving in a circle D) neither
*June 7, 2011*

**Chem**

How many oxygen atoms are in 5.23 g of C6H12O6
*June 2, 2011*

**English**

I REALLY need help in this Double Shift word problem by Gloria Rosenthal. The following real or fictional people all "do" or "did" something; their activities are dependent on their names. From each clue, identify the person, take their first name or ...
*May 27, 2011*

**English**

I REALLY need help in this Double Shift word problem by Gloria Rosenthal. The following real or fictional people all "do" or "did" something; their activities are dependent on their names. From each clue, identify the person, take their first name or ...
*May 27, 2011*

**math **

y=3x^2-7
*May 26, 2011*

**chemistry**

Using a pipet, 25 mL of a 0.1205 M HCl solution was placed in a 100 mL volu metric flask and the flask filled to the mark with water. What is the concentration of the new solution?
*May 18, 2011*

**chemistry**

A solution was prepared by adding 0.5283 g of sodium hydroxide to a 50 mL volumetric flask. What is the concentration of sodium hydroxide in moles per liter?
*May 18, 2011*

**chemistry**

A solution was prepared by adding 0.5283 g of sodium hydroxide to a 50 mL volumetric flask. What is the concentration of sodium hydroxide in moles per liter?
*May 18, 2011*

**chemistry**

A saline solution was prepared by dissolving 5.45 g sodium chloride to 96.77 g water. What is the concentration in weight percent for this saline solution?
*May 18, 2011*

**chemistry**

What is the formula weight for Epsom salt?
*May 17, 2011*

**chemistry**

The unit cell of palladiu m is a cube that is 389. 03 pm on a side. There are 4 Pd ato ms in the unit cell. Calculate the density of palladium in grams per cubic centimeter.
*May 17, 2011*

**chemistry**

1. Which of the following is a homogeneous mixture? a. Diamond b. A smoke cloud c. Ethanol d. Gasoline e. Muddy wate
*May 17, 2011*

**Astronomy**

Only one side of the moon is visible from Earth because... A. the moon does not rotate on its axis. B. the moon does not revolve around Earth. C. the moon rotates faster than it revolves. D. the moon revolves once and rotates once in the same period of time. I chose D. Is that...
*May 12, 2011*

**Calculus**

For the function f(x) = x/(3x+1) find the equation of the line which is tangent to the curve f(x) at x=2. Solve analytically (an exact answer is required) Please show steps. Thanks.
*May 10, 2011*

**Calculus help PLEASE**

It is known that an object traveling in straight line with velocity function v(t) = t^2-t, where v is measured in meters per second. Find following. The position function s(t) when we know the position 5 meters after 2 seconds. I tried to work this out and got s(t) = (t^3)/3...
*May 10, 2011*

**math**

another one like it. plz help me out. A couple finances a house valued at $150,000. They make a $10,000 down payment and finance the remainder for 30 years at 6.8%. Taxes on the property are estimated to be $621 per year. Insurance on the property is projected to cost $685 per...
*May 2, 2011*

**math**

no idea what to do here. was in hospital and missed class for a while.any help is very welcome and apprecited. A couple finances a house valued at $150,000. The monthly principal and interest payment has been determined to be $641.85. Taxes on the property are estimated to be...
*May 2, 2011*

**math**

A couple finances a house valued at $150,000. The monthly principal and interest payment has been determined to be $599.32. Taxes on the property are estimated to be $621 per year. Insurance on the property is projected to cost $685 per year. The monthly PITI payment is: $ 1
*May 2, 2011*

**College Chem I**

Based on the types of bonding in the following compunds, explain why you would expect: 1) calcium chloride (CaCl2) to be soluble in water 2) Ethane (CH3CH3) to be insoluble in water
*May 2, 2011*

**Physics**

Calculate the length of a meter stick moving with a speed of v = 0.9995c as measured by an observer at rest.
*April 26, 2011*

**Applied Business Research and Statistics**

Exercise Questions Chapters 13, 14, and 17 James A Hardeman Exercise 13-40 A suburban hotel derives its gross income from its hotel and restaurant operations. The owners are interested in the relationship between the number of rooms occupied on a nightly basis and the revenue...
*April 26, 2011*

**computers**

in a business report, what spacing should you use between lines?
*April 26, 2011*

**goverment**

Explain how the relationship between the American colonists and Great Britain affected the development of the underlying principles and ideas in the Declaration of Independence and in new state constitutions
*April 25, 2011*

**keyboarding and word process**

in a buisness report, what spacing should you use between lines?
*April 25, 2011*

**english**

no, those are typos, the letters mean nothing.
*April 20, 2011*

**english**

I think I can answer these questions, but I do not know how to explain my answers in a intelligent way, can anyone help? -=-=-==-=-=-=-=- 1. Which is the "odd one out" in each group, and why? a. The baby's bottle. The nation's struggle. The teacher's ...
*April 20, 2011*

**Math**

You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5. How many coins are tails up? How many coins in all?
*April 19, 2011*

**Physics**

Two waves with different periods are described mathematically by: y1 = (7.0 m)cos[ 2£kt/(3.0 ms)-£k/2 ] y2 = (2.0 m)cos[ 2£kt/(3.1 ms)-3£k/2] What is the beat frequency for these two waves?
*April 13, 2011*

**chemistry**

What are the quantum numbers for a 3d atomic orbital?
*April 13, 2011*

**CHEMISTRY**

I believe it is supposed to be m subscript l , I am not sure.
*April 13, 2011*

**Chemistry**

2NaOH + SO2---> Na2SO3 + H2O
*April 12, 2011*

**Discrete Math**

Hi there I'm confused as to how to start this problem, any help at all would be great thanks! John Sununus was once the governor of New Hampshire, and his name reminds one of the authors of a palindrome (a words which is spelt the same way forwards as backwards, such as ...
*April 12, 2011*

**Discrete Math **

Yeah same here and it's due tomorrow lol. So far I got this for #2 but I think it's wrong. A.) 1 x 26 x 25 x 24 = 15,600 B.) 26 x 25 x 24 x 23 = 14,398 C.) 25 x 24 x 23 = 13,800
*April 12, 2011*

**Discrete Math **

The only thing I can think of is starting with the method from the first problem and plugging in the numbers? How have you started it?
*April 12, 2011*

**Discrete Math **

I too am having trouble with that SUNUNUS problem, any idea how to approach it?
*April 12, 2011*

**PHYSICS**

Two waves with different periods are described mathematically by: y3 = (7.0 m)cos[ 2£kt/(3.0 ms) - £k/2 ] y4 = (2.0 m)cos[ 2£kt/(3.1 ms) ¡V 3£k/2] What is the beat frequency for these two waves?
*April 11, 2011*

**algebra**

write m minus 4 squared as a trinomial
*April 11, 2011*

**Chemistry**

How many valence electrons does Mo+3 have?
*April 8, 2011*

**physics**

A 0.210 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.109 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction, and the speed of the...
*April 8, 2011*

**physics**

A 0.210 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.109 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction, and the speed of the...
*April 7, 2011*

**math**

At the greenhouse where you work you need to make soil and vermiculite mixtures for potting plants. Flowering bushes need a mixture of 70% soil and 30% vermiculite by volume. About how many buckets of vermiculite should you add to 5 buckets of soil?
*April 7, 2011*

**chem**

determine the wavelength of the line in the emission spectrum produced by an electron transition He+ from ni= 4 to nf= 2.
*April 6, 2011*

**English/Writing**

I have to use all these words in one long sentence and the sentence has to make sense. Its on Essay Analysis...HELP>>> here are all the words analyse review comment coherent order clear balanced logical convincing for against pros cons breakdown overview detachment ...
*April 5, 2011*

**Chemistry**

Suppose that you had a mercury-in-glass thermometer and calibrated to measure temperatures from -10 degrees C to 110 degrees C and you wished to measure a temperature of approximately 115 degrees C accurately. How might you use your thermometer to do it?
*April 3, 2011*

**math**

dont know how to solve this eqation but I have all the info. m= M + 5 log(d/10)=18+5 x log(5/10)=
*March 31, 2011*

**algerbra/astronomy**

m= M + 5 log(d/10)=18+5 x log(5/10)=
*March 31, 2011*

**Algebra 1A**

Solve for the missing piece of the equation and rewrite the equation. y = mx - 16 (17,8)
*March 31, 2011*

**math**

solve in factored form 3x^8 - 27x^7 + 21x^6
*March 27, 2011*

**AP Chem**

What is the net ionic equation when NaOBr is dissolved in water and the Ksp if the Ksp of the dissocataion of HOBr is 6.4 * 10^-6
*March 27, 2011*

**math**

thanks, it helped a lot
*March 25, 2011*

**math**

A hollow steel tube, 4 m long, has walls 5 mm thick and is open at each end. if the outer diameter is 41 cm, what's the inner diameter?
*March 25, 2011*

**Rate problems and proportions**

A deli sells 30 salads for every 48 sandwiches. At this rate, how many salads will they sell for every 64 sandwiches?
*March 24, 2011*

**math**

Thanks
*March 24, 2011*

**math**

convert the radical to rational exponent form. -7Radical(a+b)
*March 24, 2011*

**Math**

rationalize the denominator. Simplify. write final answers is standard form (a+bi). (4-5i)/(2-7i)
*March 24, 2011*

**Math**

convert the radical to rational exponent form. -7Radical(a+b)
*March 24, 2011*