Saturday
April 18, 2015

Posts by Alice


Total # Posts: 593

Math
Could someone explain what each part of this formula represents? H(t) = 0.058t^2 + 0.41t + 516 + 2.5 sin(2π)(t)
November 30, 2012

chemistry
What percentage of the Ba2+ in solution is precipitated as BaCO3(s) if equal volumes of 2.4*10^-3 M Na2CO3(s) and 1.1*10^-3M BaCl2(aq) are mixed
November 21, 2012

world geography
According to the Ministerial Conference on the Protection of Forests in Europe (MCPFEs), sustainable forest development is defined by these three criteria.
November 20, 2012

EARTH SCIENCE
You are given a 6-month assignment by your employer to work at a remote location in Australia. In order to pack as lightly as possible, you try to research the climate of a small town in Australia. There is little data since no major cities are located within 300 miles of the ...
November 19, 2012

Physics
Three blocks are in contact with each other on a frictionless horizontal surface. A 417 N horizontal force is applied to the block with mass of 3.7 kg as shown in the figure below. The acceleration of gravity is 9.8 m/s^2. (the picture looks like this) F *----->[3.7 ...
November 16, 2012

arithmetic
If you have 3.14 lbs of a food and it costs .88 a lbs. then how much money would that 3.14 cost?
November 15, 2012

physics
A block of mass 3.62 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 7.8 kg which hangs in the air, as shown. Assume the cord to be light (massless and weightless) and unstretchable and the pulley to...
November 15, 2012

Physics
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?
November 3, 2012

Physics
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?
November 3, 2012

Physics
A ferry is crossing a river.The ferry is headed due north with a speed of 2.5 m/s relative to the water and the river's velocity is 2.0 m/s to the east. What is the magnitude and direction of the ferry's velocity relative to Earth. ( Give the angle from east 0 degrees )
November 3, 2012

5th grade math
Madmistro, your idea with the diagram is great but you will be planting two tulips in the starting position. Therefore, I think that subtract 1 which yields 19 is the better answer. Although it did not say that 2 tulips could not be planted in the same hole.
November 1, 2012

physics
2.33
October 25, 2012

science
how are the stone henge and cubi series alike?
August 31, 2012

Calc
Find the second derivative of the function. f(x) = e−3x + 5e4x
July 17, 2012

Trigo
Two men travelling in opposite directions at the rate 18 and 22 miles per hour respectively started at the same time from the same place. In how many hours will they be 250 miles apart?
June 28, 2012

chinese
1. §Ú¨S¦³ªÅ 2.ÙTÙT¡A¤U¦¸¨£ 3.¶Ù¡A§A¦n¶Ü? 4.¤£­n¥´ÂZ§Ú¡A§Ú¦bŪ®&...
June 17, 2012

physics question
What is a magnetic field, and what is its source?
May 16, 2012

physics question
Every spinning electron is a tiny magnet. Since all atoms have spinning electrons, why are not all atoms tiny magnets?
May 16, 2012

physics question
Why do some pieces of iron behave as magnets, while other pieces of iron do not?
May 16, 2012

physics question
Why will dropping or heating a magnet weaken it?
May 16, 2012

physics
Pigeons have multiple-domain magnetite magnets within their skulls that are connected through a large number of nerves to the pigeon's brain. How does this aid the pigeon in navigation? (Magnetic material also exists in the abdomens of bees.)
May 16, 2012

physics opinion
A common pickup for an electric guitar consists of a coil of wire around a permanent magnet. The permanent magnet induces magnetism in the nearby guitar string. When the string is plucked, it oscillates above the coil, thereby changing the magnetic field that passes through ...
May 16, 2012

physics
What is the primary difference between an electric motor and an electric generator?
May 16, 2012

physics
Calculate the cost of operating a 65 W light bulb continuously for a 30-day month when electrical energy costs $0.23/kW·h. $ 1 How do you calculate cost? whats the equation?
May 11, 2012

physics
A color television has a power rating of 325 W. How much current does this set draw from a potential difference of 120 V? 1 . A i got 2.42 but its wrong?
May 11, 2012

physics
How much charge passes through a cross-sectional area of a copper wire in 0.8 s if I = 3.5 A? 1 C -Work equation?
May 11, 2012

physics
A net charge of 47 mC passes through the cross-sectional area of a wire in 19.0 s. (a) What is the current in the wire? 1 A (b) How many electrons pass the cross-sectional area in 1.0 min? 2 electrons
May 11, 2012

physics
A hair dryer draws a current of 9.7 A. (a) How much charge passes through the hair dryer in 3.5 min? 1 C (b) How many electrons does this represent? 2 electrons
May 11, 2012

Math
A landscaper is choosing a compost bin. He wants it to hold exactly 12 cubic feet of compost. Using whole numbers only, how many different sizes can he choose from?
April 13, 2012

Physics
A −5 × 10−6 C charge is brought from a very distant point by an external force and placed at the origin. Calculate the magnitude of the electric force on this charge. Answer in units of N
April 7, 2012

Physics
Charge 2 × 10−18 C is on the y axis a distance 4 m from the origin and charge 9 × 10−18 C is on the x axis a distance d from the origin. What is the value of d for which the x component of the force on 9 × 10−18 C is the greatest? The ...
April 7, 2012

Chemistry
No, I did the same online quiz and CH3NH3+ is not correct. Weakest aicd will be least reactive, that means it will have larger concentration, in this CH3NH3+ and NH3OH+ are functioning as acids, CH3NH3+ is 95%. so the strongest acid should be NH3OH+
March 28, 2012

Basic Chemistry
The density of a 40.0% by weight aqueous solution of NaOH is 1.432 g/cm3 what is the molarity of NaOH?
March 21, 2012

alg2trig
2(3y-4)^(3/5)-4=50
March 11, 2012

alg2trig
16log4^1/64=x
March 8, 2012

Physics
A train at a constant 41.0 km/h moves east for 38 min, then in a direction 44.0° east of due north for 25.0 min, and then west for 59.0 min. What are the (a) magnitude (in km/h) and (b) angle (relative to north, with east of north positive and west of north negative) of ...
February 6, 2012

alg2/trig
1)3x^2-12x-21 solve by completing the square in simplest radical form 2) (1/x+3)-(2/3-x)=(4/x^2-9)find values of x 3)3/radical(3a^2b^4) is equivalent to 4) factor completely 27x^-75x^4
January 22, 2012

math116
solve using the multiplication principle, -4x>1/11
January 22, 2012

Business
1. What effect would the following actions have on a firm’s current ratio? Assume that new working capital is positive. a. A short term bank loan is repaid. b. A long-term debt is paid off early. For a, would the current ratio move away from 1. For b, would the current ...
January 20, 2012

sociology- social work
What influences in your life draw you to work with older adults? What do you anticipate will be a rewarding aspect of this work? What might be a challenge? What do others you speak to say when you indicate that you are interested in working with older adults?
January 18, 2012

sociology
What areas of social services, business and industry could benefit from the expertise and skills of a trained gerontological social worker?
January 18, 2012

Math
For 1985 through 1996, the number, C (in thousands), of videos rented each year in Moose Jaw can be modeled by C= 0.069(t^3+4t^2+37t+600) where t=0 represents 1990. During which year are 60.4 thousand movies projected to be rented? I'm not sure how to solve this problem. ...
January 9, 2012

Algebra 2
For 1985 through 1996, the number, C (in thousands), of videos rented each year in Moose Jaw can be modeled by C= 0.069(t^3+4t^2+37t+600) where t=0 represents 1990. During which year are 60.4 thousand movies projected to be rented? Could someone please show me the steps to ...
January 8, 2012

Chemistry
A sealed balloon is filled with 1.20 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 250. torr and the temperature is -27°C. What is the change in volume of the balloon as it ascends from 1.00 atm to a pressure of ...
November 21, 2011

Math
Divide the sum of x^2+4x-1 & 2x-2 by -3x^4
November 11, 2011

math
Thanks!
November 11, 2011

math
Base of a triangle is 12 inches longer than twice the length of altitude x. Write polynomial area of triangle.
November 11, 2011

U.S. History
Tank you very much for your help.:) actually my teacher hasn't pointed anything out since I don't have one. My younger brother and I are home-schooled.
November 7, 2011

U.S. History
By the way Google is currently not working on my computer, so if your going to give me search sites please use Bing
November 7, 2011

U.S. History
Traces the creation of the American government from Ancient Greece to Shay's rebellion. What am I supposed to do???
November 7, 2011

Spanish Fun
Sorry that probably didn't make sense. How do you say halloween in Spanish???
October 31, 2011

Spanish Fun
Isn't "Halloween" still "Halloween" in Spanish
October 31, 2011

Social Studies-Amrican History
Happy Halloween!
October 31, 2011

Social Studies-Amrican History
(:Thanks:)
October 31, 2011

Social Studies-Amrican History
What were some of the first calls of independence ffrom the colonists??? I've got a few: Join or Die Unite or Die Don't tread on me Give me librty or give me Death ......
October 31, 2011

Social Studies-Amrican History
What day was the stamp act announced?
October 28, 2011

Social Studies-Amrican History
British Taxes - The student will evaluate the cause and effect relationship of British tax policies concerning the colonies. In March 1765, the British parliament announced a stamp tax. Starting that November, American colonists would be charged taxes on multiple printed ...
October 28, 2011

U.S. History
Thank you very much. :)
October 26, 2011

U.S. History
OH and if you can see that we're posting from the same computer, can you see where we live?
October 26, 2011

U.S. History
Alright.. I think that some of the reasons were that the British and the french wanted the same land. And the British are trying to take over the Frencc fur trading Buisness. He thinks that the Britsh were mad at the colonies for moving past the alpachian mountains.... Who is ...
October 26, 2011

U.S. History
I'm not swithching names, that's my brother. We're both homeschooled but we share the same computer. My parent can't afford 2.
October 26, 2011

U.S. History
Do you have any specific sites. I already did those things. I have LITERALY been trying to answer these questions for 4 hours and 17 minutes.
October 26, 2011

Spanish
The house of orphans of Lima was founded in 1597 by Luis Ojeda the Sinner, under the patronage of Our Lady of Atocha. Charitable prompting the man to take care of foundlings was to have found in the atrium of Mercy the body of a creature almost devoured by dogs. Scribes Asoci&...
October 24, 2011

Finance
5. John and Daphne are saving for their daughter Ellen's college education. Ellen just turned 10 (t=0), and she will be entering college 8 years from now (at t=8). College tution and expenses at State U. are currently $14,500 a year, but they are expected to increase at a ...
October 20, 2011

Finance
Steve and Ed are cousins who were both born on the same day, and both both turned 25 today. Their grandfather began putting $2,500 per year into a trust fund for Steve on his 20th birthday, and he just made a 6th payment into the fund. The grandfather (or his estate's ...
October 20, 2011

Finance
Cosmic Communication Inc. is planning two new issues of 25-year bonds. Bond par will be sold at its $1,000 par value, and it will have a 10% semiannual coupon. Bond OID will be an Original issue Discount bond, and it will also have a 25-year maturity and a $1,000 par value, ...
October 20, 2011

Finance
Suppose a new company decides to raise a total of $200 million, with $100 million as common equity and $100 million as long-term debt. The debt can be mortgage bonds or debentures, but by an iron-clad provision in its charter, the company can never raise any additional debt ...
October 20, 2011

Finance
Which of the following statments is CORRECT? a. Assume that two bonds have equal maturities and are of equal risk, but one bond sells at par while the other sells at a premium above par. The premium bond must have a lower current yeild and a higher capital gains yield than the...
October 20, 2011

Finance
Which of the following statements is CORRECT? a. Two bonds have the same maturity and the same coupon rate. However, one is callable and the other is not. The difference in prices between the bonds will be greater if the current market interest rate is below the coupon rate ...
October 20, 2011

Finance
Which of the following statements is CORRECT? a. Two bonds have the same maturity and the same coupon rate. However, one is callable and the other is not. The difference in prices between the bonds will be greater if the current market interest rate is below the coupon rate ...
October 20, 2011

Math- Linear Equations
Do linear equations need to have negative numbers???
October 19, 2011

german
What does this mean: Sie sind sehr hubsch. ??? :)
October 17, 2011

spanish
Ummmmmmmmmmm,I think you made a mistake......that says "Ms. Quintana where it says the task"
October 17, 2011

Jiskha
Oh. O.K.
October 12, 2011

Jiskha
!!!!!!:)
October 12, 2011

Jiskha
By the way, if you would like to see the post III made just click on Alice and go all the way back to page 4. My posts sart from 8th grade history.
October 12, 2011

Jiskha
I want to be a tutor here... I have answered plenty of questions and I think it would be cool to actualy be a tutor. The thing is I don't have an email adress. Is tere any way I could become a tutor without one???
October 12, 2011

7th grade Math
Hey that's a good idea. THANKS!! :)
October 12, 2011

7th grade Math
I'm supossed to cme up with a real world problem and then solve it with decimals... HOW AM I SUPPOSED TO DO THAT??? Can anyone help me???
October 12, 2011

Math
Idenify pairs of Additive and Multiplictive Inverses. WHAT in the world are additive and multiplicative inverses??? :(
October 11, 2011

not sure
What if that is not an option?
October 11, 2011

not sure
A homeschooled child is being abused by her Father. What should she do???
October 11, 2011

Extremely hard math
oh ok thanks. :)
October 6, 2011

Extremely hard math
This isn't a homework or scool question, or anything like that, so please don't try to rush this, it's not that important... but what is the square root of pi??? :)
October 6, 2011

Social Studies-Amrican History
Thank you so much!!!!! But my computer security settings won't allow me to open that.... you know any others???
October 5, 2011

Social Studies-Amrican History
Descibe the factors that led to the founding of the colonies such as the escape from religous pesecution, economic oppertunity, release from prison and military adventure Know any good sites???
October 5, 2011

social studies-Amrican History
Thank you so much but my computer security settings won't allow me to open that.... Do you know any others??? |:)
October 5, 2011

social studies-Amrican History
Know any good sites???
October 5, 2011

social studies-Amrican History
The studentwill describe the reasons, successes and failures of Englands first attempts to start colonies in North America.
October 5, 2011

early childhood education
Sorry | ment to put on|y one 'fully'
October 5, 2011

early childhood education
C seems like a very appropriate answer. | fully fully agree
October 5, 2011

Math HHEEEELLLLLLLPPPPPP
SEIRIOUSLY, CAN ANY BODY HELP ME WITH THIS??? PLEASE
October 5, 2011

Math HHEEEELLLLLLLPPPPPP
OK. I understand they are all half ratios. I do. But what is a constant ratio??? I mean I know how to write them -now-, I just don't understand them. |:(
October 5, 2011

Math HHEEEELLLLLLLPPPPPP
PLEEEEEEEEEEEEEEEEEEEEEEEAES HELP ME!!!!!!!!!!!!!!!! THIS IS DRIVING ME CRAAAAAAAAAAAAAAZZZZZZYY
October 5, 2011

Math HHEEEELLLLLLLPPPPPP
Are theese constant Ratios... 1:2:4:8:16, or are theese constant ratios: 1:2 2:4 4:8 8:16 Are they both wrong? If they are, could you give me 2 examples and explain them please? With 2, I should probably be able to come up with my own.:)
October 5, 2011

math
If you tell us the formula in your handbook, it would help us help you.
October 5, 2011

Math
Ummmmmmmmm...... could you break that down a little more....... please? I'm usually Very good in math, I've been in many Math copetitions. Once I even took my school to state... but honestly, I dont get this. :(
October 5, 2011

Math
what are constant ratios?
October 5, 2011

culinary arts
ROUX is a COOKED mixture of WHEAT flour and FAT, BEURRE MANIE is an uncooked mixture of equal parts flour and soft butter worked together to form a smooth paste used as a thickening agent.
October 5, 2011

Math
OMG!! THANK YOU SO MUCH!!! They really helped me understand FAST!!! Thanks again :p
October 4, 2011

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