Tuesday
July 29, 2014

Posts by eva


Total # Posts: 140

health
what three vitamins and minerals undergo the greatest percentage increase during pregnancy?1.vitamind,iron,folicacid 2.iron,folicacid,calcium 3.iron,folicacid,vitaminb6 4.vitamind,iron,calcium 5.iodide,iron,niacin

science
which is the following contributed most to fish population dying during the 1970?1. salt 2. toxic waste 3. predators 4. mercury 5. iodine

socialstudies
without our two gret political parties cutting across economic and geographic interest, democracy as we know it could never have been made to function. the author of this statement probably meant to suggest what?

science
if ice forms on the outside of a glass cup, which would be the likely temperature? 1.36degreesf 2.25 degreesf 3. 40degreesf 4.80degreesf 5. 33degreesf

health
the recommended amount of vitamin c is 1,000mg per day for non pregnant women. during pregnancy, how much is needed? 1. 20mg 2. 200mg 3. 1,000mg 4. 2,000mg 5. 24,000

math
a man bought abc stock at $19.65 per share and it at $23.25 per share. what was his profit on 80 shares before dictions for commissions and taxes?1.290 2.80 3.250 4.200 5.300

science
why would droplets of water form on the outside of a glass cup?

science
how many hours is the interphase, the time in the cell cycle that is not devoted to mitosis? 1.1hour 2.10hours 3.9hours 4.half-hour 5.21hour

Physics
A Coast Guard airplane needs to drop a rescue package to a ship floating adrift in the ocean. The plane flies 55 m above the ocean at a speed of 215 km/h. How far away from the ship should the crew drop the package out of the plane so that the package hits the water close to t...

Physics
What is g? The acceleration in m/s^2?

Physics
A small ball rolls horizontally off the edge of a table that is 1.20 m high. It strikes the floor at a point 1.52 m horizontally from the table edge. How long is the ball in the air? What is the velocity of the ball when it hits the floor?

Physics
The name electromagnetic says it all. You have an electric and magnetic field. The magnetic and electric fields of an electromagnetic wave are perpendicular to each other and to the direction of the wave. Characteristics include: amplitude, wavelength, velocity and frequency.

math
4-(-2)-8-(-5)= a)-5 b)-1 c)3 d)19

math
(-5)+ 13+(-10)+6=

math
(-5)+ 13+(-10)+6=

Calculus
Thank you. It makes so much sense now.

Calculus
Sorry. I'm having trouble with the font. Here is the correct equation. Area of rectangle = xy =x *(4r^2 - x^2)^1/2

Calculus
x *(4r^2 - x^2)^-1/2

Calculus
Area of rectangle = xy = xã(4r^2 - x^2) Take the derivative. I am having trouble with the algebra.

english
thankyou, writeacher! that really helped!

english
OF MAN’S first disobedience, and the fruit Of that forbidden tree whose mortal taste Brought death into the World, and all our woe, With loss of Eden, till one greater Man Restore us, and regain the blissful Seat, 5 Sing, Heavenly Muse, that, on the secret top Of Oreb, or...

math-Algebra
thank you

math-Algebra
thank you

math-Algebra
Hey i need help on this problem. 8-9t=21t-17 Can someone show me how to do it?

Biology
What are 5 adaptations that can help placental mammals survive in their environment?

Biology
Could i pls have an answer to this question:5 adaptations that help placental mammals survive in their environment?

Chemistry
thanks

Chemistry
What are the five(5) indications that show that a reaction has taken place? Thanks

Chemistry
Please i need sum help in balancing these equations: 1)Phos(p)+Bromine(Br)=phostribromide(PBr) 2)Cacl2+NAHCO3+H2O=Nacl=Ca(OH)2+H2Co3 Thank You

World History
Ms Sue, i think nationalism plays quite a role in the war between Iraq and the U.S. The U.S is trying to help the people of that country establish a democratic system of government but it looks like they are being resisted very strongly by the opposition. It is now a contempla...

World History
i was wondering if i could get some help on the advantages and disadvantages of nationalism. i would also want to know some examples of excessive nationalism

Algebra
I need help on one particular part of algebra because i forgot what my teacher said! Here is the question: Directions: Find the x- intercept of the graph of the equation. 1. x+ y= 5

general
What subjects do students study in the United Kingdom at the age of fourteen? http://en.wikipedia.org/wiki/Education_in_England Scroll down. =) Thank you. English Mathematics Science Information and Communication Technology (ICT) Design Technology History Geography Modern Fore...

english ecpe degree
Hello, This year I am sitting my ECPE exam of the university of Mishigan. Where can I find useful practice on the Internet? I would be grateful if you could help me.. Eva Ch. I don't know about practice, but here's a very interesting website: http://www.hau.gr/hau/en/e...

significant figures
hi what is 43342 to 1sf because my old maths teacher said if you put zeros after the first number then they count as sf too, but on bbc bitesize it says the answer is 40000?? that is true because 43342 to 1sf is 4e4 which is 40000 the one sig fig is stating that 4 is the only ...

sience
Will we ever run out of air? Air is stuck to the planet by gravity, it won't leave. Two things are adding to the air all the time too, the planet is always releasing gasses from volcanoes and volcanic vents, and there are some meteors that are mostly ice that evaporate whe...

accounting
Benjamin O'Henry has owned and operated O'Henry's data Service since it beginning ten years ago.From all appearances,, the business has prospered. in the past few years, you have become friends with O'Henry and his wife. Recently, O'Henry mentioned that he ...

MATH HELP!!!!!!!!
orlando likes baseball. He's a good fielder, but he wants to improve his batting average. currently .200 (or 20%) for the first part of the season. he practiced a lot with a friend and managed to hit 10 out of 20 times that he was up to bat that season. Suppose Orlando'...

Science Meiosis
what comes after interphase?

Array
odd

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