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October 22, 2014

Posts by SARA


Total # Posts: 3,741

social studies
okay thanks I found it, it's C.
December 10, 2010

social studies
Between 1850 and 1950 the productivity of the average American farm worker: A. declined B. remained about the same C. doubled D. quadrupled I'm unsure which choice to choose? helpp
December 10, 2010

Physics - Mechanics and Ocsillatory Motion
Suppose that each of the three masses in the figure below has a mass of 5.05 kg, a radius of 0.0679 m, and are separated by a distance of 9.9 m. If the balls are released from rest, what speed will they have when they collide at the center of the triangle? Ignore gravitational...
December 9, 2010

Spanish
i have that i want to be a cook, and i have that i like to work in a kitchen and that i love to prepare meals. and i said im creaitve and artistic and a good cook. but i dont know what else to say because our teacher said it has to be really long
December 7, 2010

Spanish
you are preparing for a job interview for your dream profession. the job application asks you to write a paragraph eh espanol discussing the following things. please explain why you are interested in this profession, what activities will you do on a daily basis having this ...
December 7, 2010

7th grade
how do you convert 35ibs per minutes to ibs per hour?
December 6, 2010

6th grade
what is 30 1/4-29 1/3
December 6, 2010

Chemistry
Thank you for the help
December 6, 2010

Chemistry
Diethyl ether has a boiling point of 34.5C, and 1-butanol has a boiling point of 117C. Both of these compounds have the same numbers and types of atoms. Explain the difference in their boiling points. The answer I found was that: only 1-butanol can form hydrogen bonds. But I ...
December 6, 2010

Chemistry
Thank you. That helped a lot.
December 6, 2010

Chemistry
Which of the following gases would you keep in an outdoor storage tank in winter? Explain why. methane(CH4), Propane(C3H8), or butane(C4H10)
December 6, 2010

Math
a 52g. weight tied to a spring stretches the spring 1.3cm. How many grams would it take to stretch the spring 3cm?
December 5, 2010

Math
A public opinion poll found that 5 out of 8 people in a community wanted a exercise course. if there are 10,000 people in a community, how many do NOT want a exercise course?
December 5, 2010

physics
idk
December 4, 2010

sociology
I have the same question, going to Rasmussen College in St. Cloud, MN and I am confused as hell. How did you all do on your assignment??
December 3, 2010

Chemistry
An aqueous solution of H2SO4 is 60.0 % H2SO4 by mass. The density of the solution is 0.968 g/mL . I need to find the Molality, mole fraction, and Molarity.
December 3, 2010

Chemistry
I think I got the answer. Molar Mass = 119 g/mol Molecular formula is the same = C6H5P
December 3, 2010

Chemistry
A solution of 2.50 g of a compound having the empirical formula C6H5P in 25.0 g of benzene(C6H6) is observed to freeze at 4.3 degrees C. Calculate the molar mass of the solute and its molecular formula.
December 3, 2010

algebra
Solve for x: (-1/3)(-4+3x)=1/2
December 2, 2010

Chemistry
The solubility of CO2 in water at 25 degrees C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law. My Answer: 1.02 x 10^-5 mol/L
December 2, 2010

math
1 ft = 1/3 yd 7 yd - 3 1/3 yd = 3 2/3 yd or = 11/3 yd or = 3.67 yd
December 2, 2010

Chemistry
I think I got the answer. Can some please check it. Molarity = 17.3 mol/L = 17.3 M Molality = 25.1 mol/kg = 25.1 m
December 2, 2010

Chemistry
Calculate the molarity and the molality of an NH3 solution made up of 30 g of NH3 in 70 g of water. The density of the solution is 0.982 g/ml. Molar Mass of NH3 = 17.04 g
December 2, 2010

algebra
Need second method
December 1, 2010

US history
What propelled Grant to Presidential victory in the 1868 election?
December 1, 2010

child care
1.When properly executed, the behavior management strategy known as time-out becomes(a) A. a positive reinforcer. B. more effective than logical consequences. C. a conversation between child and adult. D. suitable punishment for misbehavior. 2. Which of the following ...
December 1, 2010

stats
You are given the following information obtained from a random sample of 4 observations. 25 47 32 56 At a .05 level of significance, determine whether or not the mean of the population from which this sample was taken is significantly different from 48. (Assume the population ...
December 1, 2010

College Physics
Rather than rotate completely horizontally, a carousel rotates at an angle of 10° from horizontal, with a constant angular velocity of 1.571 RAD/s. A box is placed 1.5 m from the axis of rotation. What’s the minimum coefficient of static friction so the box will not ...
December 1, 2010

Physics
Rather than rotate completely horizontally, a carousel rotates at an angle of 10° from horizontal, with a constant angular velocity of 1.571 RAD/s. A box is placed 1.5 m from the axis of rotation. What’s the minimum coefficient of static friction so the box will not ...
December 1, 2010

math
$5.33
November 30, 2010

child care
is a social group consisting of people who are equal in such respects as age, education or social class
November 30, 2010

child care
iam not sure
November 30, 2010

child care
the question i think is a
November 30, 2010

child care
i dont really understand this
November 30, 2010

child care
one of the most important functions of a childs peer group is a. serving as a replacement for the parents. b.providing opprtunities for competition. c. fostering love and understanding. d. teaching about the world outside the family.
November 30, 2010

childcare
when working with special needs/learning disabled children,caregivers should a.provide positive role models for them. b. ignore their disabilities. c. try to do as much as possible for them. d. instruct other children to disregard them. i think is a
November 30, 2010

childcare
an appropriate science activity for an infant would be: a. weighing and measuring other infants. b. planting a flower. c.feeling different textured objects. d.caring for pets of the facility.
November 30, 2010

child care
i think is c?
November 30, 2010

child care
a. be directed to lower age-level activities b. have little interaction with others. c. be directed to appropriate age-level and developmental activities. d, have stricter discipline.
November 30, 2010

child care
children with special needs should
November 30, 2010

child care
the goal of thomas behavior appears to be
November 30, 2010

Calculus
The amount A in grams of radioactive plutonium remaining in a 20-gram sample after t days is given by the formula A=20*(1/2)^(t/140). At what rate is the plutonium decaying when t=2 days?
November 30, 2010

algebra 2 multiple choice HELP
ahh thanks!
November 30, 2010

algebra 2 multiple choice HELP
or C?
November 30, 2010

algebra 2 multiple choice HELP
I'm not sure, A??
November 30, 2010

algebra 2 multiple choice HELP
find f(a), if f(t) = 2t2(squared)-t-2 A. 2(a+t)2(squared)-2t+1-2 B. 2(t+a)2(squared)-2(t+a)-2 C. 2a2(squared)-a-2 D. 4a2(squared)-2a-2 I put (squared) because the two in front of it means it's being squared... please help. thanks!
November 30, 2010

algebra 2
thanks
November 29, 2010

algebra 2
anyonee??
November 29, 2010

algebra 2
solve the inequality: 3|m-4|>6 A. [m|2<m<6] B. [m|<2 or m>6] C. [m|m<1 or m>7] D. all real numbers
November 29, 2010

algebra 2
okay thanks!!
November 29, 2010

algebra 2
solve the inequality: -2<4z+10≤12
November 29, 2010

algebra
Solve the inequality : -3(r-11)+15≥9 a. [r|r≤13] b. [r|r≥13] C. [r|r≤-13] D. [r|r≥-13]
November 29, 2010

algebra 2
woww..
November 29, 2010

algebra 2
Solve the inequality : -3(r-11)+15≥9
November 29, 2010

Physics
and what about the spring scale? is it apparent weight = actual weight - densitywater*g*V ?
November 28, 2010

Physics
A beaker of mass 1.2 kg containing 2.1 kg of water rests on a scale. A 2.2 kg block of aluminum (of density 2700 kg/m3) suspended from a spring scale is submerged in the water. Find the reading of the upper scale (the spring scale). The acceleration of gravity is 9.81 m/s2 . ...
November 28, 2010

geometry
Two chords intersect a circle. The shorter chord is divided into segments of lengths of 9 inches and 12 inches. The longer chord has a length of 24 inches. Find the length of the shorter portion of the longer chord .
November 24, 2010

history
1. Free elections in Poland: A. were not very significant B. demonstrated clearly that the Cold War was ending. C. showed that Solidarity was not really all that influential and that people would not turn their back on Communist government. D. were rigged as demonstrated by ...
November 24, 2010

letter to the supermarket
Write a letter to the supermarket manager explaining what has happened. Tell the manager how you feel about the error and ask him to some this about it.
November 22, 2010

letter to the bank
Write a letter to the bank explaining what have happened and say that you would live to do about it
November 22, 2010

history
What obstacles lay in the way of Southern industrialization after the Civil War?
November 21, 2010

history
thanks:-)
November 20, 2010

history
1. Nixon's policy regarding Vietnam was: a. very popular. b. becoming very unpopular, particularly among Senators. c. becoming increasingly unpopular among ordinary voters, but the president and Congress generally ignored these concerns. I'm undecided between choices B...
November 20, 2010

English
Can some one proof read my short essay for gramatical errors, or just the anything in general. heres the question i am answering: Popular media from magazines to movies to television offer images, stories, and information that influence our prejudices and how we think about ...
November 20, 2010

Physics
The 1.4 kg, 40-cm-diameter disk in the figure below is spinning at 260 rpm. How much friction force must the brake apply to the rim to bring the disk to a halt in 4.5 s?
November 18, 2010

algebra
what is (9,7) with a slope of 3 be in point-slope form?
November 16, 2010

math
not math its like algebra or calculus or something please change subject name
November 16, 2010

Calculus
Oh, I am sorry! I had my calculator on radian mode instead of degree mode. Silly me. Thanks so much for the help! I think I have managed to do the remainder of the problem, except for part E. How would I be able to tell if that function were differentiable or not?
November 12, 2010

Calculus
I'm having a little trouble with this problem...it would be great if you could point out where I'm going wrong. Hours of Daylight as a Function of Latitude. Let S(x) be the number of sunlight hours on a cloudless June 21st, as a function of latitude, x, measured in ...
November 12, 2010

Physics - Mechanics and Ocsillatory Motion
An 8.70 kg block slides with an initial speed of 1.56 m/s up a ramp inclined at an angle of 28.4 with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.62. Use energy conservation to find the distance the block slides before coming to rest...
November 10, 2010

chem
How many moles of O are in 13.0 mol Fe(NO3)3? can you please find this using dymensional analysis and show me how you worked it? Thans
November 10, 2010

anatomy and physiology
digestive mucosa
November 10, 2010

anatomy and physiology
i think it is the process in making dna
November 10, 2010

math
Terms of sequences 15,22,31,42,55 find next 3 terms and the formula also for the sequence
November 10, 2010

chemistry 110
Write the overall balanced equation for NaOH to form soluble Na2SO4 along with H2O as products.
November 9, 2010

chemistry 110
Pure water in contact with air has a higher conductivity than the same water that has had nitrogen gas bubbled through it. Why?
November 9, 2010

Flec
are you talking in terms on math? im not sure what flec is. but a prime factor is all of the prime numbers(a number that can only be divided by 1 and itself) that will exactly divide the given number
November 9, 2010

Chemistry
2. What are spectator ions in chemical reactions
November 9, 2010

Chemistry
1. Write the formulas of the principal molecular or ionic species present in an aqueous solution of each substance. (a) Sodium Chloride, NaCl Na+ + Cl- (b) Hydrogen bromide, HBr (c) Iron (III) sulfate, Fe2(SO4)3 (d) Ethanol, CH3CH2OH (e) Glucose, C6H12O6 (f) Ammonium acetate, ...
November 9, 2010

history
In the 1920s, Babe Ruth was famous because
November 9, 2010

Math
Thank You
November 4, 2010

Math
1/21
November 4, 2010

Math
Using the digits 2 and 1. Write a fraction less than 1/10
November 4, 2010

Math
1/91
November 4, 2010

Math
Using the digit 9 and 1. Write a fraction less than 1/10
November 4, 2010

Math
1/51
November 4, 2010

Math
Using the digit 5 and 1. Write a fraction less than 1/10
November 4, 2010

Math
0.12
November 4, 2010

Math
Using the digit 2 and 1. Write a decimal less than 0.3
November 4, 2010

Math
Using the digit 9 and 1. Write a decimal less than 0.3
November 4, 2010

Math
0.15
November 4, 2010

Math
Using the digit 5 and 1. Write a decimal less than 0.3
November 4, 2010

math
2/1
November 4, 2010

math
Using the digit 2 and 1. Write a fraction greater than 1/3
November 4, 2010

Math
Using the digit 9 and 1. Write a fraction greather than 1/3
November 4, 2010

Math
Using only the digit 5 and 1. Write a fraction greater than 1/3
November 4, 2010

math - geometry
graph the quadrilateral seperately nd algebraically and show if it's a square quad abcd:a(0,a) b(a,2a) c(2a,a) d(a,0)
November 3, 2010

Math
Copy and comple the chart. For each category, write an example, using only the digit given and the digit 1. Examples for the first category have been completed for you. _______________________________________ Category 5 9 2 _______________________________________ Fraction 51/...
November 3, 2010

math
In a photograph, the length of a sailing ship is 12 in., and the height of its mast is 5 in. The actual ship is 30m long. What is the actual height of the ship's mast?
November 3, 2010

5th grade
In a photograph, the length of a sailing ship is 12in., and the height of its mast is 5in. The actual ship is 30 m long. What is the actual height of the ship's mast?
November 3, 2010

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