Wednesday
May 4, 2016

Posts by bethany

Total # Posts: 247

Math
1. –(10)^–1 (1 point) –1/10*** -1/-1^10 1/10 10 2. 1/c^-5 (1 point) c^5 5c –c^5*** –5/c 3. What is the value of y^-5/x^-3 for x = 2 and y = –4? (1 point) 10/3 128 -1/128 –128*** 4. Is the number written in scientific notation? If not, explain...
April 22, 2016

Chemistry
What is and isotope pair?
April 11, 2016

Math
Write the equation of lowest degree with real coefficients if two of its roots are -1 and 1+i. The answer is x^3-x^2+2=0. I don't understand why.
April 1, 2016

Calculus
find the area between x=tan^2y and x=-tan^2y in -pi/4<y<pi/4. I'm not sure how I can change the equations back to y=f(X) to graph. But it shouldn't really matter right? Do I do horizontal or vertical slicing? I feel like I should do horizontal since that's ...
March 28, 2016

Calculus Urgent
graph y=cos(pi*x/2) and y=1-x^2 and use integration to find the area in between the curve. Okay, so when I graph these two I see that they like overlap during the [-1,1] x interval. But maybe there is still a small gap in between? But I'm not sure if the [-1,1] x interval ...
March 27, 2016

Physics
Car 1 is parked when it is hit by Car 2. The momentum of Car 2 before the collision was 50 kg m/s. The momentum of Car 1 after the collision is 10 kg m/s. What is the momentum of Car 2 AFTER the collision?
February 15, 2016

college math
estimate the total cost of 97 shirts at \$19.95 each
February 13, 2016

college math
A car rents for \$260 per week plus \$0.10 per mile. Find the rental cost for a three week trip of 800 miles
February 13, 2016

college math
in a conjecture the answer i got was 12n how would it look if it was to be part A-multiplied by 12 part B-add 12 to the product Part C- divide the sum by 2 PArt D-subtract 6 from the quotient
February 13, 2016

college math
i have 12n how would 12n look if it was multiplied by 12
February 13, 2016

English & Composition HELPPP
January 17, 2016

English & Composition HELPPP
I need help finding 6 sources 2 sources: neutral sources pertaining to the background information of the confederate flag and about the controversy 2 sources: about how the confederate flag is a symbol of History 2 sources: about how the confederate flag is a symbol of Hatred ...
January 17, 2016

Science
How to calcualte the enthalpy change for the process in which 6.00g of steam at 100C is coverted to liquid water at a temperature of 35.0?
December 16, 2015

calcualte the enthalpy change for the process in which 6.00g of steam at 100C is coverted to liquid water at a temperature of 35.0
December 16, 2015

Math
The current, I, in amperes, for an electric circuit is given by the formula I=4.3sin120(pi)t, where t is time, in seconds. a)At what time is the current at its max volume? How does your understanding of co terminal angles help in your solution? b)What time is the current at ...
November 13, 2015

Math
Graph of f(x)=log_2(x) has been transformed to g(x)=alog_2(x)+k. The transformed image passes through the points (1/4,-9) and (16,-6). Determine a and k. No idea. Thanks!
October 28, 2015

Math
I don't get that one too^
October 27, 2015

Math
The graph of y= log(6(X-3)) is horizontally expanded by a factor of 3, and translated 9 units left.
October 27, 2015

Math
1. The graph of y=2logbase5X-7 is reflected in the x-axis and translated 6 units up. I got y=-2logbase5X-1 as a result. The answer key says y=-2logbase5+13. How????
October 27, 2015

Precalc
•You have a wire that is 71 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a right triangle with legs of equal length. The other piece will be bent into the shape of a circle. Let A represent the total area enclosed by the triangle ...
October 27, 2015

Chemistry
what is the difference between moles(mol) and molarity(M)?
October 25, 2015

Chemistry
4 Questions on molarity that I really don't understand. I have the formulas, but they don't seem to fit in to the question right. Please take a look, thanks! 1. Calculate the weight, in grams, of HNO3 present in 1.0 litre of 0.10M of solution. 2. What is the ...
October 25, 2015

English
What kind of figurative language is “Play dead often and long enough and people begin to think you are.” ?
September 26, 2015

math
I'm doing rational expressions and am so confused. 4x^2-18x+81/8x^3+729
September 15, 2015

Writing skills
More recently, however, doctors have taken a greater interest in the field. Along with the general public, too. The most effective combo of sentence 3 and 4 would include which of the following groups of words? 1. doctors, as well as the general public, 2. doctors with the ...
August 20, 2015

Math
DEEZ NUTZZZZZZZZz
August 19, 2015

Math
I an taking the SAT this week and I am so screwed. I keep getting these types(and ratio and probability- tips?) of questions wrong on practices. I basically set up a chart for d(distance/amount of sth), v(speed/rate), and t(time) and try to fill it out. I usually fill it out(...
June 3, 2015

chemistry
Thermochemistry: 1. Calculate the amount of heat required to decompose 3.5 moles of sodium bicarbonate. 2NaHCO3 + 129 kJ  Na2CO3 + H2O + CO2 In this question, the heat of the reaction is part of the question instead of being written beside it- (What's the ...
March 17, 2015

English
I mean, what research topic would work if I were to use Brave New World for my research paper assignment?
March 12, 2015

English
Ok! Thank you Reed and Mrs Sue! Brave new world seems like a sci-fi book, how does it relate to American history? And if the topic is history, what would the research topic be?
March 12, 2015

English
I need to write a research paper on a topic that is relevant to, or is present in a book after I have read it. I wish to know any suggestions on good books to read on which an obvious research topic can be extracted from(preferably history related but not limited to. I just ...
March 12, 2015

Math
5. The sum of 4 consecutive odd integers is 48. What is th largest of the four integers? How do you set up this kind of consecutive equation when using x, x+2, x+4 etc.?
February 22, 2015

Math
1. Daniel wants to save at least 20 dollars by putting pennies in a jar daily. On first day, he puts one penny into the jar. The second day he puts 2 pennies into the same jar. On the nth day he pus n pennies into the same jar. Which day is the first day on which he has at ...
February 22, 2015

Math
Wait is the answer 275? First i use the term equation to find 10 terms then I use the sum equation to find the sum right?
February 21, 2015

Math
the sum of the integers from 1 to 10, inclusive, is 55. What is the sum of the multiples of 5 from 5 to 50 inclusive? Which equation would I use?
February 21, 2015

Socials
Ok, also where can my character(elizabeth woolley) be working at? HWat is appropriate for a girl her age during that time?
February 20, 2015

math
It might seem as a division sign but it was meant as a fraction is the answer 5/6 @PsyDAG
February 19, 2015

math
Hi, Im having trouble with this math equation.. if you can, can you please help me and explain. the equation is : 3/7d=5/4 You have to find the solution. Thank you
February 19, 2015

Science
im not exactly sure but i agree with B
February 19, 2015

Socials
I am doing a slavery project and I chose "Early and Forced Marriage" as my form of slavery. There is one section of the project that I do not get how to properly search for information and it is "can you find what kind of protection they(the country chosen) have...
February 16, 2015

Math
1. At a basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the number of freshmen to the ...
February 9, 2015

Math
If x+2y=4 and xy=-8, what is the value of x^2+4y^2. I have been thinking about this and can't make heads or tails of it.
February 8, 2015

Chemistry
it says "m" but I am not sure that is right.
February 1, 2015

Chemistry
Determine the number of grams of Potassium Iodate present in 10.0 g of a 0.267 m Potassium Iodate solution.
February 1, 2015

Chemistry
Determine the mass (in grams) of a 1% solution of Manganese(II) Sulfate that will contain 0.0403 grams.
February 1, 2015

Math
1. "A bacteria population doubles in number every 3 hours. If there are 40 individuals now, how many in 24 hours?" SO I used the geometric series sum formula, with n=8(24/3=8), t1=40, and r=2, but I got 10200 as the answer, instead of what the answer key solves as ...
January 24, 2015

English
yes, I do know now. Though, I have an interpretation now that I have thought about it for longer!
January 17, 2015

English
I need to write an interpretation and meaning on the song "embers" by max richter(search it on youtube). Since I also need to choreograph a dance to this song for my dance class, I have decided to rename the song(which is my dance routine's name) as "Swallow...
January 17, 2015

English
I need to write an interpretation and meaning on the song "embers" by max richter(search it on youtube! :)). Since I also need to choreograph a dance to this song for my dance class, I have decided to rename the song(which is my dance routine's name) as "...
January 17, 2015

Algebra
This is the common equation (a-b)(a+b)= a^2 -b^2. You would use the distributive property
January 12, 2015

math
3-7=-4 so, -4 degrees fahrenheit
January 12, 2015

English
Thank you Writeacher. Reed, you really helped! Thank you too!
January 11, 2015

English
I read the short story "I Go Along" by Richard Peck. I must answer: "The title of this story can be interpreted in a number of ways. In multi-paragraph essay form and with reference to the story, explain how the title relates to the story." I have evidence ...
January 11, 2015

English Poetry(response to writeacher)
I think the last stanza is saying how its kinda of sad not knowing what the life of an elderly was like and their perspective on death whether with "hope, or resignation, or despair?" It kinda gives off a lonely, pensive, and depressing atmosphere because they look ...
November 30, 2014

English Poetry(response to writeacher)
The theme is the theme is thoughts of elderly? And that there is only one life to live so live it well? This poem seems confusing.. it is either really easy and literal or metaphoric.. I need to write a paper on the atmosphere of this poem and I think the atmosphere is lonely(...
November 30, 2014

English
the theme is thoughts of elderly? This poem seems confusing.. it is either really easy and literal or metaphoric..
November 29, 2014

English
What is the theme of the poem Home for the Aged? Home For the Aged by Elizabeth Brewster: The old men sit, five of them on a bench, Half sleeping, half awake, dazed by the sun, In the muted afternoon, between one broadcast ball game and the next Their thoughts are leaves that ...
November 29, 2014

English
November 29, 2014

English
Ok I have ideas on what to discuss for word choice and imagery, but not sentence structure(all I have is the use of questions) so do you have any ideas on that? Or maybe another element of the poem I can use instead?
November 29, 2014

English
Thank you, but how do I write a 5 paragraph essay on the atmosphere? I am supposed to analyze and explain how it is portrayed. Does it work if I touch on word choice, imagery, and.. sentence structure( I do not have enough evidence)?
November 29, 2014

English
I must complete an essay analyzing the atmosphere and how it's portrayed in Home for the Aged by Elizabeth Brewster.My question is how does the use of descriptive detail establish the atmosphere? I do not know what the atmosphere is in this poem and I am confused on the ...
November 29, 2014

SCIENCE
We did a radioactive decay and half life lab with m&ms and I do not understand these conclusion questions: 1. how many half lives would it take for 500 nuclei to decay to 6.25% of the original number of nuclei? My ans: 3125?- do not think that's right! 2. Is there any way ...
November 27, 2014

Physics
An airplane flies at a constant speed in a straight line. A bale of hay is dropped from the bottom of the plane to some cattle in a snowstorm. When the bale hits the ground, where is the plane? (Ignore air resistance) Explain your answer!
November 21, 2014

English
For class I read the poem by Wilfred Owen "Dulce et Decorum Est". I have most of my essay down but one paragraph where I focus mainly on the use of the word "beggars". I so far, only have one point/sentence: "The specific word ¡°beggars¡...
November 2, 2014

Math
I do not understand how 245+/-sqrt[(-245)^2-4(48)(-150)] equals 245+/-5sqrt(3553) which equals 543?
October 18, 2014

Math
October 18, 2014

Math
Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part beyond forde lake?
October 18, 2014

Math
Aha sorry, I got it now! But why did we use the positive and not the negative?
October 18, 2014

Math
did u go 245-5 or 245+5? How did 3553 come out?
October 18, 2014

Math
ok awesome, but I dont understand how u got 543 from 245+5sqrt(3553)- cant seem to get a whole number
October 18, 2014

Math
wait hold on, is it like the equation x=[-b+/- sqrt(b^2-4ac)]/2a ? Thanks so much for the help Damon!
October 18, 2014

Math
I don't understand what s = (1/96)(245 +/- 5 sqrt(3553) ) means. like is the +/- the plu/minus sign? How does 245+/-5 square root of 3553 equal 543?
October 18, 2014

Math
Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part beyond forde lake? ...
October 18, 2014

math
I do not know how to solve this, but I think it has something to do with factorials (x!)
October 18, 2014

Science
1. The process of nitrogen fixation uses oxygen to produce carbon dioxide- false? 2. While a pyramid of numbers or biomass can be inverted, a pyramid of energy cannot- false? are my answers correct?
October 2, 2014

Chem
What is the maximum mass of H2O that can be produced by combining 85.0 g of each reactant?
September 21, 2014

Math
I have 3 questions: 1) If ABC and DEF are three- digit numbers, which of the following could be the number of digits in the product of ABC and DEF? i. 4 ii. 5 iii. 6 I don't have the vaguest idea on how to do this and what type of math it is part of... My answer is 6 only ...
July 8, 2014

Inequalities & Absolute value
Yes I got -4/3 with 5-3x<9 and 14/3 with 5-3x>-9. And then same goes for 1/2 with ...<5 and -9/2 with ....>-5. I just don't get why you used -4/3<x<1/2?
July 2, 2014

Inequalities & Absolute value
|2x+4|<5 |5-3x|<9 What values of x are both of the inequalities above true? i. -2 ii. -1 iii. 1 I got -1 only and its right because I just plugged it in to find out, but is there another way of solving this perhaps algebraically? For example something like 2x+4<5 and...
July 2, 2014

Math
Ok, thank you!
July 2, 2014

Math
The sum of integrs from 40-60, inclusive, is 1050. What is the aum of the integers from 60-80, inclusive? I figured out the answer by adding them with a calculator but i was wondering if there was an algebraic way of solving this?
July 2, 2014

Pre alegabra
5/26 or around 19%
June 3, 2014

Algebra 1
so 4 cups
June 2, 2014

Algebra 1
3.2 cups
June 2, 2014

Math
ac^2-a^3-a^2b+ab^2+b^2-bc^2 I don't understand how to factor it.
May 20, 2014

Math
Two ships left the same port at the same time. One travelled at 16kn/h on a course of 275 degrees while the other at 20 km/h of 225 degrees. How far apart are the ships after a. 2 hours? b. 4 hours? *note: this is a trigonometry question using the cosine law. Thanks!
March 18, 2014

English Project
Yes, I got the other question! But I don't know what kind of advertisements would be authentic enough to be included?
March 11, 2014

English Project
This is a final project In accordance to the book In the Heat of the NGht by John Ball. -must create a newspaper that contains an article basically stating the murder mystery in the book, 2 ads and another article irrelevant to the story that depicts the theme of prejudice. I ...
March 11, 2014

English
What is the significance of the title "In the heat of the night"? What does the last chapter(chapter 14) conclude about the underlying racial issue; the furtherance of the romantic plot?
March 11, 2014

maths
hint: find the common denominator
March 1, 2014

English
We are reading the book In the Heat of the Night by John Ball and I need to complete the chapter 2 comprehension questions. I am stuck on this one: 1. Investigate the figurative nuances of the name Virgil. It is an allusion. Why is it significant? Think in terms of irony and ...
March 1, 2014

Math
oooohh ok that makes sense! thanks!!
January 28, 2014

Math
2 Gears are in their starting position. Gear 1 has 6 teeth. Gear 2 has 8 teeth. As gear 1 turns, it causes gear 2 to turn at a different rate. Gear 1 is rotated until the two gears are back at starting position. What is the minimum number of rotations Gear 1 requires to return...
January 28, 2014

Math Help Qucik!
wait... isnt gross the revenue? lol sorry if thats a dumb query
January 25, 2014

Math Help Qucik!
ok, thank you! But i don't understand why you need to find the gross?
January 25, 2014

Math Help Qucik!
Alex bought 144 bagels for \$80. His profit was \$75 once he had sold 100 bagels. Which equation represents Alex's profit,P as a function of the number sold, n?
January 25, 2014

Socials HELP QUICK!
WHat are the advantages of pit houses for the Plateaus peoples?
January 13, 2014