Saturday

January 21, 2017
Total # Posts: 479

**calculus**

I have an even number of coins in my pcket exactly one third of them are dimes. Draw or stampo the coins i could have in my pocket. Record thir value.

*September 21, 2010*

**Trig**

verify following trigonometric identities. 1/sec0tan0 = csc0 = sin0

*August 24, 2010*

**math**

Evaluate each expression for p=3. 6p-16

*August 23, 2010*

**chemistry**

DeltaH=TdeltaS

*August 2, 2010*

**Individual Income**

19. Dan's taxable income falls in the 15% tax bracket. Included in his taxable income is $5,000 of ordinary dividends, of which $2,000 are qualified dividends. The amount of tax Dan will pay on his qualified dividends is: a. $300. b. $0. c. $250. d. $100. e. $200.

*June 30, 2010*

**math**

how many combinations of coins equal 2.00 when given 12 quarters, 10dime ,10 nickels and 20 pennies.

*June 9, 2010*

**Math 116**

yea sorry

*June 6, 2010*

**Math 116**

The lengths will have to be greater than 24 or 24<

*June 6, 2010*

**math**

What's that formula called?

*June 6, 2010*

**math**

Okay I got this question on a test. I am not sure what I am supposed to do here. Can you show me how I would go about solving this. A basketball player can jump 33in vertically. Find his hang time. Round to the nearest tenth. Thanks

*June 6, 2010*

**math**

what is 4j-3=5

*June 4, 2010*

**rational expressions**

1)Can z+6/z+1 be reduced any further? 2)Add and simplify (v/v^2+8v+16) + (4/v^2+7v+12) 3)For this second binomial do you change the the sign of the second term? Subtract and simplify (1-y/y-2) - (9y-8/2-y) 4)Solve (4/5)+(1/2)=(1/x) 5)(8/x)=(9/x)-(1/2)

*May 31, 2010*

**math**

1)Can z+6/z+1 be reduced any further? 2)Add and simplify v/v^2+8v+16 + 4/v^2+7v+12 3)For this second binomial do you change the the sign of the second term? Subtract and simplify 1-y/y-2 - 9y-8/2-y 4)Solve 4/5+1/2=1/x 5)8/x=9/x-1/2 Thanks!

*May 31, 2010*

**introductory algebra**

I had these problems on my test and for some reason got them wrong. Here are the problems: Solve: x-y=9 x+y=1 The test states that the answer is (5,-4) I've checked ,y work and used substitution to solve this and still get x=4, y=-5. The second problem is: Solve the system...

*May 23, 2010*

**How Children Learn**

. A Correct 2. C Correct 3. C Correct 4. A Correct 5. C Correct 6. A Correct 7. D Correct 8. C Correct 9. A Correct 10. C Correct 11. D Correct 12. B Correct 13. A Correct 14. A Correct 15. B Correct 16. C Correct 17. C Correct 18. B Correct 19. C Correct 20. A Correct

*May 19, 2010*

**english**

What does this mean? If you are home studying…I hope you’re at least doing so outside! I am foreign exchange and I do not understand this. Thank You.

*May 4, 2010*

**Science**

How is the kinetic-molecular theory related to specific heat, joules, and calories??

*April 30, 2010*

**CHEMISTRYYY**

this isnt the right way. i used this way and i got a different asnwer

*April 26, 2010*

**reading/language please check**

When is the best time to read review the discussion questions? A. Immediately after you have finished all of the reading. B. After you write your notes. C. Before you begin any detailed reading. D. At least 1 hour after your detailed reading.

*April 16, 2010*

**chemistry**

how to write a net ionic equation of CaS+CuCl2

*April 16, 2010*

**IPC**

IF THE SIDE OPPOSITE A 45 ANGLE IN A RIGHT TRIANGLE 12.5 METERS, HOW LONG IS THE ANGLE?(ROUND THE ANSWER TO THE NEAREST TENTH)

*April 14, 2010*

**PHYSICS**

The magnetic field inside an air-filled solenoid 39 cm long and 2.0 cm in diameter is 0.85 T. Approximately how much energy is stored in this field?

*April 11, 2010*

**PHYSICS**

What is the inductance L of a 0.40 m long air-filled coil 3.2 cm in diameter containing 10,000 loops?

*April 11, 2010*

**PHYSICS**

What is the inductance of a coil if the coil produces an emf of 8.20 V when the current in it changes from -28.0 mA to +31.0 mA in 45.5 ms?

*April 11, 2010*

**PHYSICS**

If the current in a 100 mH coil changes steadily from 25.0 A to 10.0 A in 375 ms, what is the magnitude of the induced emf?

*April 11, 2010*

**Chemistry**

No, it C BECAUSE THE ELEMENTS NEED TO BE IN THE MOS ESTABLE STATE C(S) AND O2(G)

*April 7, 2010*

**PHYSICS**

A 14 cm diameter circular loop of wire is placed in a 0.58 T magnetic field. (a) When the plane of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? (b) The plane of the loop is rotated until it makes a 36° angle with the field lines...

*April 3, 2010*

**PHYSICS**

A 29.4 cm long solenoid 1.10 cm in diameter is to produce a field of 0.360 T at its center. How much current should the solenoid carry if it has 1000 turns of the wire?

*April 3, 2010*

**physics**

A thin 12 cm long solenoid has a total of 460 turns of wire and carries a current of 2.1 A. Calculate the magnitude of the field inside near the center.

*April 3, 2010*

**chemistry**

what is the maximum number of grams of PH3 that can be formed when 6.2 g of phosphorus reacts with 4.0 g of hydrogen to form PH3

*March 21, 2010*

**optics ray tracing**

light travels in a straight line, why is this important for the technique of ray tracing?

*March 21, 2010*

**Business**

I need like an outline to help me write this...maybe even if it was started for me

*March 9, 2010*

**Business**

Prepare a 600 to 700 word analysis of the relationship between humans and time. Include a description of the historical development of the human ability to conceptualize and measure time. Also, examine why humans have a need to measure time, and describe how the ability to ...

*March 9, 2010*

**science**

does carbonation or amountof caffeine in a drink or liquid affect plant growth?

*March 7, 2010*

**ur papa**

pizza

*March 1, 2010*

**Algebra with pizzazz**

add the 7 to 17 4x>24 divide by 4 x>6

*January 27, 2010*

**Calculus**

A manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the maximum amount of money ...

*January 27, 2010*

**Calculus**

A manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the maximum amount of money ...

*January 27, 2010*

**health**

what a lymph node is

*January 7, 2010*

**Physics**

the temperature of ice according to our physics teacher is -5 degrees celcius

*January 7, 2010*

**Physics**

How many grams of ice must be added to 100 grams of water at 60 degrees so that its temperature drops to 20 degrees celcius? As far as i know I have to use: (Mass)*(specific heat of water) *(finaltemperature - initial temperature = ??

*January 7, 2010*

**Chemistry**

what is the density that has a mass of 77.0 g and a volume of 36 mL?

*January 4, 2010*

**Chemistry**

what is the density that has a mass of 77.0 g and a volume of 36 mL?

*January 4, 2010*

**Math**

What it 120+119+118+117+116...+2+1

*December 27, 2009*

**Statistics**

population

*December 17, 2009*

**6th grade**

At 36 degrees, how long will it take for a sheet of ice 5' x 5' 6" deep to melt?

*December 16, 2009*

**6th grade**

nation that conquered many areas of india

*December 9, 2009*

**7th grade**

what is the gcf of 35a^2 and 85ab

*December 2, 2009*

**Statistics**

List Six deceptive graphical techniques.

*November 26, 2009*

**Statistics**

List Six deceptive graphical techniques.

*November 26, 2009*

**Statistics**

List Six deceptive graphical techniques.

*November 26, 2009*

**math**

the answer is... do it urself so u can learn it !

*November 26, 2009*

**algebra**

what is 4 to 4th power and show the process?

*November 10, 2009*

**Math/Biz Math**

I am so lost. Did I answer these problems right? Bud Ray is the owner of an automatic car wash located in a busy side of town. He currently has all the business he can handle and then some. His business has grown steadily over the years. His current car wash equipment is in ...

*November 9, 2009*

**Enchancing Children's Self-Esteem**

. D Correct 2. C Correct 3. A Correct 4. B Correct 5. D Correct 6. C Correct 7. B Correct 8. C Correct 9. A Correct 10. B Correct 11. A Correct 12. B Correct 13. D Correct 14. D Correct 15. B Correct 16. C Correct 17. D Correct 18. B Correct 19. B Correct 20. A Correct

*October 31, 2009*

**Physics**

2.0 E2 J convert 10 kg to Newtons 10 kg = 98.0665 Newtons W = F(d) W = 98.0665 (2) W = 196.133 W = 2.0 E2 J when rounded 27J W = F (d) W = 9.0N (3.0m) W = 27J Time doesn't matter here

*October 22, 2009*

**social studies**

north America,south America and the island in the caeibbean sea are the major lands in the

*September 24, 2009*

**social studies: geography**

Great p Lains

*September 13, 2009*

**social studies: geography**

what feature makes up part of the us border with Canada?

*September 13, 2009*

**Geometry**

Can someone please kind enough to explain this questions for me. Thank you What are some examples of other important polyhedra? What characteristics help you determine whether a polyhedron is regular or irregular? How can you check for symmetry and rotational symmetry of ...

*August 11, 2009*

**algebra 2**

what is the proper thing to say when you introduce a hamburger?

*June 25, 2009*

**BUSINESS**

Question What are the differences between an internal proposal and an external proposal? Also I need to summarize why the two proposal types are different in terms of the following elements: Consider the following scenario: Management at your project management firm wants to ...

*May 25, 2009*

**elementary**

how becoming a scientist

*May 10, 2009*

**Math**

I have a graph which I need to find the equation of. It's an absolute value graph, the vertex/middle point is at (-2, 5) and 2 points that lie on the graph are (1,10) and (-5,10). It needs to be in 'y=' form. I'd appreciate it if you explained how to do find ...

*April 10, 2009*

**Calc**

i got 16, but i am not sure if i am right

*April 2, 2009*

**Calc**

Find the area of the region bounded by y=x^2 and y = -(x-4)^2 +4 and the lines y=0 and y=4.

*April 2, 2009*

**Calc**

lol yeah algebra, ok that's what I got, just making sure.

*April 2, 2009*

**Calc**

How do I solve for x in: y = -(x-4)^2 + 4

*April 2, 2009*

**Algebra**

thanks =D.

*April 1, 2009*

**Algebra**

first 2^-1 = -3 then 7^-4=-5 -3x-5=15 15^-2=15 so your answer is 15 i suggest you use a scientific calculator.

*April 1, 2009*

**history**

what i got is letter a invading russia with limited supply lines but i don't seem to know why.

*April 1, 2009*

**history**

which action taken by both hitler and napoleon is considered by historians to be strategic military error? a invading russia with limited supply lines b invading great britian by land c introducing combined ground and naval assaults d using conquered peoples as slave laborers

*April 1, 2009*

**science**

is Texas east or west of arizona?what is a longhorn steer and what does it look like?how long have ranchers been raising cattle in the US?

*February 25, 2009*

**math**

is 2 times the square root of 7 minus the square root of five/ the square root of 7 plus the square root of five 2 2 times the square root of 14?

*December 15, 2008*

**us history**

I know that significant changes were women's sufferage and workers rights, but I need one more. What other changes are there?

*October 5, 2008*

**us history**

What changes were brought upon by the Progressive Era?

*October 5, 2008*

**7th Grade Math**

what is 3(4x+6)+7*

*September 28, 2008*

**dictionary**

What does the italicized n stand for in a dictionary entry

*September 24, 2008*

**History- Vietnam war**

Thanks for the help guys, I think what threw me off was the definition of Imperialism, I interpreted it as any spreading of ideals and values into another nation. Thanks once again!

*September 13, 2008*

**History- Vietnam war**

I have a debate coming up, and I got the worst side and topic possible. I need to debate that the Vietnam War was not an example of Imperialism. I've learned the definition of Imperialism, and I have also gone through the arduous task of learning the history of the Vietnam...

*September 13, 2008*

**Science**

What is the equator?

*September 4, 2008*

**algebra**

how old am i?

*August 18, 2008*

**shop class**

thanks

*July 17, 2008*

**shop class**

ummm ok for shop class i have to write about a career in metalworking i cannot find anything

*July 17, 2008*

**Health Care**

What populations or groups were most adversely affected by deinstitutionalization

*June 29, 2008*

**Math**

what is the gcf of 75 and 40?

*April 10, 2008*

**physics**

In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 33000 V. The speeds of the electrons are quite large, and for accurate calculations of the speeds, the effects of special relativity must be taken into...

*March 26, 2008*

**chem lab**

That would be the identification process which includes the observations of solution properties such as pH, color, odor, & the results of mixing 2 solutions.

*March 25, 2008*

**Discount Notes**

days from may 8 to august 16 is 100 days 3,000 x .08 x (180/360) = $ 120 3,000+120 = 3,120 Maturity Value 180 days minus 100 days = 80 days discount period 3,120 x .09 x (80/360)= $62.40 3120-62.40 = $3,057.60 Proceeds

*March 16, 2008*

**Economics**

Zatab is an allergy medication made by MIRK Labs [British pharmaceutical] that enjoys a patent monopoly in Europe, Canada, and USA.

*March 10, 2008*

**Physics**

t^2=4(3.14)^2r^3 _________________ GM M=2.3*10^30kg

*March 3, 2008*

**math**

thanxz

*February 25, 2008*

**math**

solve using substitution 4x + 3y= -3 2x + y = -1

*February 25, 2008*

**Physics**

I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth, frictionless post...

*February 25, 2008*

**physics**

I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth, frictionless post...

*February 25, 2008*

**physics**

A tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the ball such that a line along the string passes through the center of the ball. The string is 1.30 long and the ball has a radius of 0.170 with mass 0.440 . What is ...

*February 25, 2008*

**Physics**

A coefficient of kinetic friction, k , is needed to stop a car in a distance D on dry pavement with the wheels locked if the car starts from speed V_0. What coefficient of kinetic friction (in terms of k ) is needed to stop this car in the same distance if it starts from an ...

*February 19, 2008*

**chemistry**

what are two regions make up all atoms?

*February 14, 2008*