Sunday
September 21, 2014

Posts by Sophia


Total # Posts: 149

Biology
Hi, Could you help me find information on at least 5 organizations or efforts on how humans are trying to combat the loss of biodiversity. Thanks.
May 18, 2009

3rd grade/math
i got 100 % in maths
April 18, 2009

4th grade
How does a solar greenhouse work?
March 17, 2009

Science
What is a solar greenhouse?
March 17, 2009

Career Information Answer
A television repair man is somebody who... Gets The Picture A taxidermist is somebody who... Can save your hide A tree surgeon is somebody who... Will go out on a limb I hop this helped you! :)
March 8, 2009

Career Information
Stuck on career information...
March 8, 2009

physics
The time is 14.3s, btw..
January 25, 2009

physics
An airplane traveling 1001 m above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. What is the horizontal distance between the plane and the victims when the box is dropped?
January 25, 2009

physics
A pitched ball is hit by a batter at a 45-degree angle and just clears the outfield fence, 98 m away. If the fence is at the same height as the pitch, find the velocity of the ball when it left the bat. Ignore air resistance.
January 25, 2009

4th grade social studies
they got freedom
January 21, 2009

Business systems
Biases may play a major role in the success/failure of an IT project because most IT projects are connected in someway with making the technology more user friendly. The users of these projects are becoming more diverse in reference to age, race, sexual orientation, etc. ...
December 11, 2008

Algebra
What is the domain of f(t)=5.5e^t Please explain how you came up with your answer
December 8, 2008

Algebra
Can someone please tell me what the domain of the following equation is? Please explain how you got that answer. g(x)=5^x
December 7, 2008

English
Yes. It is the same statement.
December 7, 2008

science
Both of these thermometers were designed to rise and fall as they expand or contract with changes in temperature. One major difference is that alcohol thermometers will only rise when on site with the temperature to be read, where as a mercury thermometer needs to be shaken if...
December 7, 2008

Algebra
Please state the DOMAIN of the following, and explain how you obtained that answer please. g(x)=5^x
December 5, 2008

Math riddle PIZZAZZ Worksheet
What happened to the grocer who stacked all of the liquid detergent no the high shelf? plzzz help
October 30, 2008

Spelling
dog cat
September 9, 2008

7th grade
how do you write an equation for the number of gallons in 128 fluid ounces?
September 5, 2008

physics
An ideal gas at 18.5°C and a pressure of 1.54 105 Pa occupies a volume of 2.10 m3. (a) How many moles of gas are present? moles (b) If the volume is raised to 5.30 m3 and the temperature raised to 31.0°C, what will be the pressure of the gas? Pa
April 26, 2008

physics
A mass of 135 g of an element is known to contain 30.1 1023 atoms. What is the element? hydrogen oxyden aluminum carbon Is it aluminum?
April 26, 2008

SCIENCE
PISTILS AND STAMENS REACH MATURITY AT DIFFERENT TIMES, WHY WOULD THIS BE AN ADVANTAGE TO THE PLANT?
April 1, 2008

us history
when fdr served 4 terms, which president's record did he break?
February 28, 2008

Math
4x + 10 -3x =2-3
February 26, 2008

Chemistry
The solubility of CaCO3 at 25 degrees celsius is 6.90*10-5M. The reaction is CaCO3(s)-->Ca 2+(aq) + CO3 2-(aq) <-- a. Calculate the concentration of Ca +2 and CO3 -2 at equilibrium. b. Calculate the equilibrium constant for the dissolution reaction. (also known as the ...
February 13, 2008

college math
how to do set notation, for example
January 28, 2008

social studies
How did Alexander the Great unite Persian and greek cultures and why?
December 5, 2007

statistics
oops
October 25, 2007

statistics
Given the ensuing well drilling data, answer the following. [Reference: #4.78, page 172] • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the ...
October 25, 2007

statistics
Given a distribution with mean X and standard deviation S, answer the following. 4.1 Determine the mean and standard deviation if constant K is added to each observation 4.2 Determine the mean and standard deviation if constant K is multiplied by each observation 4.3 Assuming ...
October 25, 2007

statistics
oops, thank you drwls
October 25, 2007

statistics
Given the ensuing well drilling data, answer the following. • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the time • Pre-drilling ...
October 25, 2007

statistics
Compute the expected return if two mega lottery tickets are sold for $6, if the winning ticket is drawn from five (5) million tickets sold, and if the winner receives $10 million.
October 25, 2007

statistics
3. Prove (not show) that following two methods, long and short respectively, to compute the population variance yield the same result. ? (x i - ?) 2 / n, where i = 1, n ? (x i 2 - (? x i) 2) / n, where i = 1, n
October 25, 2007

algebra
a times a number - 5 = b so, add 5 to both sides ax-5 = b +5 +5 so now you have ax = b+5 divide both by x and you get a so ... a=(b+5)/x
October 16, 2007

algebra
if you add 2t + 1 =3 so 3-1=2 so 2 times what equals 2. not -1 because that would equal negative 2. its 1 because 2 times 1 is 2 plus 1 is three.
October 16, 2007

math
how would i multiply 365/365 x 364/365 x 363/365...all the way to 326/365 using excel or the ti-83 calculator without having to input all those numbers. please help. thanks.
October 16, 2007

Statistics
A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II, which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its model I and 18% of its model II. If a model is selected ...
October 4, 2007

math
How many hours of jogging at 5 1/2 mi/h would be needed for a 200-lb person to lose 5 pounds? (Assume calorie consumption is just enough to maintain weight, with no activity)
April 1, 2007

human biology
if a cell lacks ATP, which of the following processes would cease to operate immediately? diffusion Na+/K= pump facilitated diffusion osmosis or passive transport http://www.brookscole.com/chemistry_d/templates/student_resources/shared_resources/animations/ion_pump/ionpump....
March 18, 2007

human biology
if a cell lacks ATP, which of the following processes would cease to operate immediately? diffusion Na+/K= pump facilitated diffusion osmosis or passive transport
March 18, 2007

human biology
which of these characterisitics apply to exocytosis? requirese energy, requires, carrier proteins, requires channel proteins and/or requires vesicles. Thanks. Since this is not my area of expertise, I searched Google under the key words "exocytosis" to get these ...
March 18, 2007

human biology
I hope someone can help me answer this queestion: which of the following does NOT involve the sharing of electrons? H20, HCl, NaCl, H2 or C6, H12, O6 and why? The last three compounds you listed do not exist. Among the others, NaCl does not share electrons; the Cl completely ...
March 18, 2007

human biology
does DNA serve as a template for just DNA or mRNA as well? Go here: http://www.stanford.edu/group/hopes/treatmts/pbuildup/h2.html and scroll down to: How can RNAi be used to treat HD?
March 15, 2007

math ( subtracting fractions)
12 1/4- 4 1/8 When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.
January 31, 2007

Survey for history..
fyi it is hieroglyphs and not hieroglyphics.
November 2, 2006

Survey for history..
thankz 4 the help. i can't find where the bookof the dead/ hieroglyphics fits. there is only one spot for 13 letters.
November 2, 2006

GOVERNMENT
Obviously the government feels that a mere citizen do have the ability to vote for a president.
October 22, 2006

PE Basketball
what is the range of fitness required for effective performance in a game of basketball?
October 18, 2006

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