Friday
December 19, 2014

Posts by Selena


Total # Posts: 177

United states history
What similarities do you see between the United States today and the United States of the past? What issues and problems do we continue to grapple with? What successes do we share with Americans in the past? I want to find something now in united states that was similar to the...
December 8, 2014

math
what is 82 over 100 in simplest form?
November 17, 2014

US Gov't
Which Roman contribution to political theory was adapted by the Founding Fathers?
November 5, 2014

Geometry
P->P'(-8,-3) for the glide reflection where the translation is (x,y)->(x,y-5) and the line reflection is x=-5. what are the coordinates of P? (-8,-8) (-8,2) (-2,-3) (-2,2)
October 29, 2014

English
Of Mice an Men
October 13, 2014

English
1. Why does George try to prevent Lennie from playing with small animals? (1 point) He doesn't want Lennie to have a pet until he proves he can keep out of trouble. He is worried that Slim will be angry if Lennie plays with the puppies. He is embarrassed by Lennie's ...
October 13, 2014

Chemistry
Weight of the Rock Salt Sample: .343 (g) Weight of the Rock Salt Solution: 9.910 (g) Trial #1 Trial #2 Trial #3 Weight of Rock Salt Solution Delivered (g) : .89 1.17 .786 Weight of AgNO3 Solution Delivered (g) : 1.53 .548 .786 Concentration of AgNO3 : 4.70e-4 (moles of AgNO3/g...
October 4, 2014

Physics
I don't know if my answers are right. D: 1)Why is a time interval always positive? I'm not really sure but I wrote down something with vectors and scalars. 2)If the average acceleration of a car is zero in a given time interval, what can you tell about the displacement...
October 1, 2014

Physics
Thank you guys so much ! ^^
October 1, 2014

Physics
Little Timmy falls down a well and hits the water 1.5s later. Determine the distance from the top of the well to the water below. Just an equation would be fine. Thanks in advance.
October 1, 2014

Algebra 2
Nvm, I got it >u<
October 1, 2014

Algebra 2
I need to use zero product property on these equations and I just need a few examples to get myself started on the other problems since I don't understand it at all. :c Help is appreciated. Thanks in advance. f(x)=x^2+8x+12 g(x)=6x&2+20x-16
October 1, 2014

Physics
Starting from rest, Mr.M's bus achieves a velocity of 25 m/s in a distance of 1.0 km. Find the time and the acceleration. I don't know which formula to use. Delta T = Vf - Vi / Aavg ?
September 23, 2014

Physics
Thank you so much! You didn't have to solve it for me, I only needed the formula, but thanks a lot!^^
September 23, 2014

Physics
A car enters the freeway with a speed of 7.2 m/s south and accelerates uniformly for 4.2 km in 4.0 min. How fast (in m/s) is the car moving after this time? I only need the formula. My teacher gave us a list but did not tell the class which equation is for which. Help please.
September 23, 2014

Chemistry
What is the molarity of HCL if it takes 16.5 mL of 0.100 M NaOH to titrate 10.0 mL of HCl? HCl + NaOH -> H2O + NaCl molarity = moles of solute/liters of solution
September 18, 2014

AP Calculus
Find an equation of all tangent lines for the curve x^2-xy+y^2=16 x=-2 2x-(xy'+y(1))+2yy'=0 2x-xy'+y+2yy'=0 y'(-x+2y)=-2x-y y'=-2x-y/-x+2y y'=-2(0)-y/-(0)+2y y'=-y/2y Not sure what to do now?
September 14, 2014

Operating Systems
Given that main memory is composed of only three page frames for public use and that a seven-page program (with Pages a, b, c, d, e, f, g) that requests pages in the following order: a, c, a, b, a, d, a, c, b, d, e, f. Using the FIFO page removal algorithm, indicate the ...
September 4, 2014

physics
To estimate how high the cliff is you throw a rock off the edge and 7.8 s later you hear the rock hit the ground. The speed of sound is 330 m/s. Ignoring air resistance how high is the cliff?
September 1, 2014

Math
That helped a lot Steve. Thank you.
June 11, 2014

Math
The president of Texas state University makes three times as much money as one of the department heads. If the total of their salaries is 290,000, find each worker's salary.
June 11, 2014

Algebra
thanx damon :D
June 2, 2014

Algebra
Simplify: b. 4√10-√10
June 2, 2014

Algebra
thank you peeps
June 2, 2014

Algebra
What are the solutions to the system? (Hint: graphing is the easiest!) y = x2 + 2x - 45 y = -3x + 5
June 2, 2014

math for me!!!!!!
cross multiply
June 2, 2014

Algebra
lol damon answers all my question soooo thanx very much XD
June 2, 2014

Algebra
Use the Zero Product Property to solve the equation: -3m(2m – 5) = 0
June 2, 2014

Algebra
thanx both of yall XD
June 2, 2014

Algebra
A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t2 + 20t + 6 where t is the time in seconds, the ball is in the air. When will the ball hit the ground? How high will the ball go?
June 2, 2014

Science~!
#1 is false
March 4, 2014

Chem
What will the products be for Ni(s) + 2Na^+(aq)? I don't think this is even possible, so will this reaction even be possible?
March 2, 2014

Chem
What is the product for the reaction of Ni(s) + 2Na^+(aq)? I don't think this is possible no?
March 2, 2014

Chemistry
3) A student mistakenly uses the cuvette containing the most dilute standard solution, rather than the cuvette containing deionized water, as the blank solution. I don't understand why there would be lower concentration of Cr(VI) ion...
March 2, 2014

Algebra 1b!
1. Find the excluded value of x for the polynomomial expression 4x/6 a. 6 b. -6 c. 1/6 d. -1/6 2. Simplifly 3-2x/7 + 4x+5/7 a. 2x+8/14 b. 2x+8/7 <--- c. x+1/7 d. 2x+2/7 3. Simplify 6ab^6/4a^7b^10 * a^3b^4/2a^7b^6 a. 7x/8 - 2x/8 b. -5x/8 c. 3a^2b^3/4a^7b^8 d. a^2b^5/2a^7b^8...
December 9, 2013

Earth space science, check answers?
A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for agriculture/farming?-D 6. ...
November 15, 2013

Check my answers?
Earth space science.
November 15, 2013

Check my answers?
A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for agriculture/farming?-D 6. ...
November 15, 2013

Earth space science
Well lets say For city A; 57. 156. 53 b;61. 135. 56 c; 58,136. 11 d; 67.65.198
November 14, 2013

Earth space science
I need help with this. the map doesnt show anything and idk how to post the map on here... Match the cities A,B,C, and D with the weather description of the surface model (To the right of each letter) a. city A b. City B c. City C d. City D A. Pressure of 1015.1 and south east...
November 14, 2013

Algebra 1b!
Could you guys check my answers? 1. Graph the function and identify the domaine and range. y=-1.5^2 Domain; (-,+) Range; (-,0) ( my answers.) 2.How is the graph of y=-2x^2-5 different from the graph of y=-2x^2 It is shifted units up it is shifted 5 units down <--- It is ...
November 8, 2013

English!
This is what i got so far but i need help with an opening paragraph and conclusion Mark twain used huck as narrator to see the innocent view of these difficult adult themes. in the eyes of a child, the morality of the situations he finds are much more concerning than most ...
November 7, 2013

English
For english i'm doing facts about mark twain and if i put " Around all of the facts, is it still plagiarism?
November 7, 2013

Huckleberry Finn
And i know, i just need all the notes before i write.
November 7, 2013

Huckleberry Finn
For the third; Tom sawyer and Huckleberry Finn both loved going on adventures,where it was pretend and really loyal to friends.. Tom was more imaginative but in some ways the less kind hearted of the two. Write about one of the authors we have studied. ANd last In 1846, when ...
November 7, 2013

Huckleberry Finn
Well for the first 2 i got answers. But this is an expository essay rough draft and we choose a short story and write about it with these questions. First one my answer is; He used huck as narrator to see the innocent view of these convulted adult themes. in the eyes of a ...
November 7, 2013

Huckleberry Finn
Explain how the author created the character (characterization). Explain the theme of a piece of literature. Compare and contrast two pieces of literature. Write about one of the authors we have studied.
November 7, 2013

Math
42000 and 48000 44286
September 25, 2013

physical science
I am having a little trouble with this problem. can someone please HELP! During a race, a runner runs at a speed of 6m/s. 2 seconds later, she is running at a speed of 10 m/s what is the runner's acceleration?
August 7, 2013

math
How would I solve this; John is paid at an hourly rate of $15 and over time rate of 1.5 times his hourly rate. If john puts in w regular hours and y overtime hours in a week, what is his total wage for the week? (Monday-Friday
July 1, 2013

math
1/2 + (-5/6) =?
June 28, 2013

physical education
*sure
May 31, 2013

physical education
What nutritional supplement is recommended for helping the body handle stress? A. Zinc B. Iron C. Vitamin C D. No supplements are recommended for stress management I think its a but im not sue please help
May 31, 2013

english
Which of the following is not a correct option for writing out the date in question? A. 25 January 2000 B. January 25, 2000 C. 2000, January 25 D. 01/25/00 I think this one D
May 2, 2013

english
Regarding the use of commas, which one of the following statements is accurate? A. A parenthetical use of commas is usually confusing to the reader. B. There is no need for commas that indicate added details in a sentence. C. Commas are needed to separate a list of three or ...
May 2, 2013

englis
8. Which of the following options accurately represents the steps involved in the writing process? A. Write first draft, edit, revise, write final draft B. Write first draft, revise, proofread, write final draft C. Plan, write first draft, edit, write final draft D. Plan, ...
May 1, 2013

english
3. Which one of the following sentences best describes paraphrasing? A. Janette listened to the speaker and took notes. B. Janette listened to the speaker, asked questions, and wrote a report. C. Oscar studied Dr. Frost's article and summarized it in his own words. D. ...
May 1, 2013

english
Which group of words is the complete infinitive phrase in the sentence? It is important to avoid harmful exposure to the sun’s direct rays.
April 3, 2013

english
Which word or phrase is an appositive in the sentence? When Sandy met John—a scientist and critic—she fell in love with him.
April 3, 2013

Social Studies
Which state is the least densely populated? 1. Alaska 2. Hawaii 3. Minnesota 4. New Jersey My Answer: # 2 Hawaii
March 19, 2013

Math
OK
March 16, 2013

Math
Thank You :-D
March 16, 2013

Math
Hello can somebody answer anybody please :( :( help !!me
March 16, 2013

Math
Find the surface area of the cone. Use 3.14 for pi 8'' in the bottom and 7'' in the right side
March 16, 2013

Math
Here is a other 1 is that OK Damon????
March 16, 2013

Math
OMG, Damon Thank You So Much!!!!! :D
March 16, 2013

Math
Find the volume of the cylinder. Use 3.14 for (π Pi) 34 m on top and 27 m down on the right. Please Help Me I try and try and nothing please please help me !!!!! :( :(
March 16, 2013

Pre-Algebra
OK, Thank You So Much For Understanding! :-)
March 13, 2013

Pre-Algebra
Why nobody wants to help me just check my answer and there if some of the answers are wrong then tell me the right ones !!! !!!!!!!!!!!! :-( :
March 13, 2013

Pre-Algebra
For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for (pi) and round to the nearest whole number. 1) Find the surface area of a sphere with a radius of 8 cm. a. 268 cm2 b. 804 cm2 c. 2,144 cm2 d. 201 cm2 2) Find the surface area of a sphere...
March 13, 2013

algebra
4y^3-4y^2+3-y
February 24, 2013

social studies- check
thats correct
December 17, 2012

trig
a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?
October 29, 2012

Math
120
October 28, 2012

Algebra 2
To rationalize the denominator of 4/(2+√8), Brittany multiplied by (2-√8)/(2-√8) and Justin multiplied by (1-√2)/(1-√2). Explain why both are correct.
October 22, 2012

Chemistry
What is the temperature change in celsius when 29.5L of water absorbs 2.3 kwh of heat?
September 26, 2012

physics
What is its speed after 1.87 s if it accelerates uniformly at −4.31 m/s^2? Answer in units of m/s
September 3, 2012

physics
The initial speed of a body is 2.14 m/s. What is its speed after 1.87 s if it accelerates uniformly at 4.31 m/s^2? Answer in units of m/s
September 3, 2012

physics
A body moving with uniform acceleration has a velocity of 10.2 cm/s when its x coordinate is 3.73 cm.If its x coordinate 2.33 s later is −2.74 cm,what is the x-component of its acceleration?Answer in units of cm/s^2
September 3, 2012

physics
What is the average acceleration a between 14 s and 16 s?
September 3, 2012

physics
What is the average velocity v between 0 s and 6 s?
September 3, 2012

physics
A certain car is capable of accelerating at a rate of 0.57 m/s^2.How long does it take for this car to go from a speed of 56 mi/h to a speed of 66 mi/h? 1mi/h = 0.447 m/s.Answer in units of s
September 3, 2012

physics
A vehicle moves in a straight line with an acceleration of 5 km/h^2.By how much does the speed change each second?Answer in units of km/h
September 3, 2012

physics
Consider the expression 2π times square root of ℓ/g, where ℓ is length and g is gravitational acceleration in units of length divided by time squared.Evaluate its units.
September 3, 2012

physics
Consider the following set of equations, where s, s0 and r have units of length, t has units of time, v has units of velocity, g and a have units of acceleration. Take k to be dimensionless.Identify if these are dimensionally correct or incorrect. 1)v^2= 2as + kav 2)s = s0 + ...
September 2, 2012

chemistry
How does a straw work? Using the Kinetic Molecular Theory to explain?
May 31, 2012

Math
convert 628 kilometers to miles (round off ans to 2 decimal places)
May 27, 2012

social studies
what was the cause of the american revolution of 1776 the french revolution of 1789and the Russian revolution in 1917
May 18, 2012

physics
Amy needs 5.0 V for some integrated circuit experiments. She uses a 7.0 V battery and two resistors to make a voltage divider. One resistor is 360 . She decides to make the other resistor smaller. What value should it have?
April 2, 2012

english
the passage makes it clear that aunt georgiana??
March 18, 2012

physics
A metal rod is 40.125 cm long at 20 °C and 40.148 cm long at 35 °C. calculate the coefficient of linear expansion of the rod for this temperature range.
February 22, 2012

Trigonometry
Expressed in simplest form, (n-1/n)/(1+1/n) is equivalent to... 1.)n-1 2.)n+1 3.)n-1/n+1 4.)n
February 7, 2012

Earth Science
Can you help me find how many hours are received by these degrees of latitude during the winter (see details)? North Pole = 0 hrs of daylight Equator = 12 hrs of daylight South Pole = 24 hrs of daylight 66.5 degrees north = ? 23.5 degrees north = ? 23.5 degrees south = ? 66.5 ...
February 2, 2012

Chemistry
Could you please prove how the ice doesn't completely melt? Don't you subtract 280,000 J and 250,000 J and get 30,000 J? and then you divide it by 334 J/g and get 105 g? But I don't know what you do next.
January 29, 2012

Chemistry
An 850 gram chunk of ice at 0 degrees Celsius is dropped into a container holding 1.7 kg of water at an initial temperature of 35 degrees Celsius. Due to the presence of the ice, the temperature of the water eventually drops to 0 degrees Celsius. Show a mathematical solution ...
January 29, 2012

Math
Find the compound form of v, given the magnitude of ||v||=3 and v in the direction of 3i + 4j.
January 17, 2012

Math
The coordinates of A and B are (7,-7) and (-2,2) respectively. If P and Q divide the line segment AB into 3 equal parts, find the coordinates of P and Q.
December 29, 2011

physics
A team of dogs drags a 112 jk sled 2.23 km over a horizontal surface at a constant speed. The coefficient of friction between the sled and the snow is 0.181. The acceleration of gravity is 9.8 m/s. Find the work done by the dogs
December 12, 2011

English
I am trying to understand my essay question, but need help putting it in simpler terms. Question: How does Selvadurai’s text encourage a critique of normative ideas about gender and/or sexuality?
November 14, 2011

math
No
November 3, 2011

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