Friday
September 19, 2014

Posts by anonymous


Total # Posts: 70,773

Algebra
Solve for x. (5x^2 - 12x) / (x^2 + 5x - 24) <= 0
May 12, 2014

Science 7
Problem; How small is 1 part per million? What will happen to our pure food coloring when we dilute it to 1 part per million using water? What could my hypothesis be?
May 12, 2014

Math
Supposed f(1) = 2, f(2) = 3, f(3) = 0, and g(1) = 7, g(2) = 1, g(3) = 4 Find: g ○ f (2) = f ○ f-1 (3) = f ○ g-1 (4) =
May 12, 2014

Math
Let f(x) = 4√(2x^2 - 1). Write an equation of the function obtained by reflecting f(x) in the x-axis and shifting it 56 units upward, do not simplify.
May 12, 2014

math
Maria wants to draw a painting with an area of 40 square inches if she drew her painting on 1-inch grid paper how many squares would the painting coverd? Tellhow you know.
May 12, 2014

math
A store manager paid $45 each for coats. The markup is 65%. For what price should the coats be sold?
May 12, 2014

social studies
1) ___________ make up the majority of the population in Guatemala. Spaniards Incas Mexicans Native Americans 2. One challenge that makes it hard for the Mayas to retain their land is that they are more likely to think of themselves as ______ than _______. Maya, Guatemalan. ...
May 12, 2014

social studies
____ make up the majority of the population in guatemala
May 12, 2014

Algebra
A pollster randomly selects 100 people from each town in a certain candidate’s district to see if they support the candidate. Why might this survey not produce a good sample?
May 12, 2014

Math
Find the length of a field that has a perimeter of 256 meters and a width of 36 meters. please explain the steps
May 12, 2014

ENGLISH - ADJ
This was the worst train accident in last ten years. Last = adjective- superlative degree
May 12, 2014

Mahts
The perimeter of a field is 300m and its length is 100m. What is its breadth? P= (l + b)2 300=(100+b)2 300=100b X 2 300= 200b 300/200=b Is this is correct.
May 12, 2014

computer literacy
I said (C)
May 12, 2014

computer literacy
this is why I'm asking
May 12, 2014

computer literacy
8. Which of the following best describes the “7x7” PowerPoint rule? (C) 7 ideas per presentation/7 lines per slide. 7 lines per slide/7 words per line. 7 topics per slide/7 images per presentation . 7 words per line/7 slides per presentation.
May 12, 2014

computer literacy
A/A/ D
May 12, 2014

computer literacy
5. Which of the following BEST describes the concept behind Web 2.0? (A) Download Write Read-write Upload 6. The term cyberspace originated where? (A) Science fiction NASA Military University 7. Which of the following is NOT one of Facebook’s main features? (D) Private ...
May 12, 2014

computer literacy
D/D/B
May 12, 2014

computer literacy
2. In a social networking site your personal information is listed under your: (D) Inbox. Home. Status . Profile. 3. Which of the following is NOT one of the MOST common uses of Twitter? (D) Posting an idea of the moment. Making a business contact. Sharing a web link. ...
May 12, 2014

computer literacy
1. Virtual communities typically have all of the following EXCEPT: (B) currency. rules of conduct. games. real life contact.
May 12, 2014

chemistry
An ideal solution of 5.00 mole benzene and 3.25 mole toluene. At 298 K, the vapor pressure of the pure benzene and toluene were 96. Torr, and 28.9 Torr, respectively. At what pressure does the vapor phase appear first, if the pressure above this solution is reduced from 760 ...
May 12, 2014

Math-Exponential Decay
A lab technician had 58 grams of a radioactive substance. Ten days later, only 52 grams remained. Find the half-life of the radioactive substance.
May 12, 2014

Algebra
Never mind, I was confused because there are 14 scores and 80% of 14 is 11.2. I now know that is estimated to the 11th number. Thanks!
May 11, 2014

Algebra
What is "them," exactly?
May 11, 2014

Algebra
You are one of the finalists at a science fair. The scores of the other finalists are 87, 89, 81, 85, 87, 83, 86, 94, 90, 97, 80, 89, 85, and 88. Write an inequality that represents your possible scores if your percentile rank is 80.
May 11, 2014

history 11th grade
perils of the amazon rain forest
May 11, 2014

history 11th grade
Amazon rain forest
May 11, 2014

science
An advantage of using an electromagnet shown on the crane in the image below instead of a regular magnet to move cars in a junkyard is that an electromagnet can easily be turned on and off
May 11, 2014

Algebra
You are one of the finalists at a science fair. The scores of the other finalists are 87, 89, 81, 85, 87, 83, 86, 94, 90, 97, 80, 89, 85, and 88. Write an inequality that represents your possible scores if your percentile rank is 80.
May 11, 2014

grammer
Have you seen my sister Karla around here today? Have you seen my sister, Karla around here today? Have you seen my sister, Karla, around here today?
May 11, 2014

english
English is the language of opportunity.why bother to teach indegenous languages
May 11, 2014

Social Studies
Thanks so much.
May 11, 2014

Social Studies
Never mind, number 5?
May 11, 2014

Social Studies
What could I say for number 3?
May 11, 2014

Social Studies
Ohh.. thank you.
May 11, 2014

Social Studies
Briefly describe one way that these cultures changed the geography of the paces to which they migrated. 1. the ancient Romans who conquered much of Europe and England 2. homesteading families who migrated to the western territories of North America 3. American missionaries ...
May 11, 2014

physics
A car moves along an x axis through a distance of 900 m, starting at rest (at x = 0) and ending at rest (at x = 900 m). Through the first ¼ of that distance, its acceleration is +2.25 m/s2 . Through the rest of that distance, its acceleration is – 0.750 m/s2 . Find...
May 11, 2014

Chemistry help
got it, thank you
May 11, 2014

Chemistry help
I am not to sure how to approach the problem... Hydrazine is used as a rocket fuel because its reaction with oxygen is extremely exothermic: N2H4(liquid) + O2(g) ==> N2(g) + 2H2O(liquid) ΔH(reaction) = -615 kJ mol-1 What is the enthalpy of this reaction if water were ...
May 11, 2014

chem
The normal boiling point of Ta is 5425°C. What is its vapor pressure in mm Hg at 4384°C, if its heat of vaporization is 781.0 kJ/mol? Do I use the Clausius-clapeyron equation?
May 11, 2014

Economic/ Accounting
what are welfare payments or consumer subsidies
May 11, 2014

Algebra
Find the first and third quartiles of the data set. 1, 5, 1, 2.5, 3, 2, 3.5, 2, 3, 1.5, 4, 2, 4, 1, 3, 4.5
May 11, 2014

Science help please
1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. trachea, pharynx, larynx, alveoli, bronchi bronchi, larynx, alveoli, trachea, pharynx larynx, trachea, bronchi, pharynx, alveoli pharynx, larynx, trachea, bronchi...
May 10, 2014

Algebra
The temperature of a mass of gas (T) varies inversely with volume (V). For a volume of 500 cm^3, the temp is 2.5 degrees Celcius. For a volume of 100 cm^3, what would the temperature be? 12.5 degrees?
May 10, 2014

Physics
A cyclist starts from rest and coasts down a 6.5∘{\rm ^\circ} hill. The mass of the cyclist plus bicycle is 95kg{\rm kg} . The cyclist has traveled 270m{\rm m} .What was the net work done by gravity on the cyclist? How fast is the cyclist going? Ignore air resistance.
May 10, 2014

Math
Simplify so it is one fraction. (8x/(x-8)) - (4/(x-8)) (8x - 4)/(x - 8)?
May 10, 2014

Physic
If a scuba diver fills his lungs to full capacity of 5.5LL when 8.2mm below the surface, to what volume would his lungs expand if he quickly rose to the surface? Assume he dives in the sea, thus the water is salt.
May 10, 2014

math need help urgent
Mr. Michaluk has a $50,000 personal (revolving) line of credit with the Canadian Imperial Bank of Commerce (CIBC). The loan is on a demand basis at a floating rate of prime plus 1.5%. On the fifteenth of each month, a payment equal to the greater of $100 or 3% of the combined ...
May 10, 2014

Algebra
The 22 students present for a recent test in Ms. Huang’s class had an average score of 88. When students who were absent took the test, three scored 4 points higher than the average and two scored one point higher than the average. What is the new class average when the ...
May 10, 2014

Science
1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine 2. Compare the two ...
May 10, 2014

Social studies...
How did the Fugitive Slave Act and the Kansas-Nebraska Act further divide the North and South? What role did the concept of popular sovereignty play in these conflicts? Do you think there was any way to avoid the violence that came out of this era? Could you explain?
May 10, 2014

English help
From the words below supply the words needed to complete the sentences. Querulous, commiserate, tedious, pugnacious, thwart, incorrigible A. Trying to keep the INCORRIGIBLE prisoners from escaping was Jack's responsibility. Although he sometimes enjoyed his work, he ...
May 10, 2014

English help
From the words below supply the words needed to complete the sentences. Compatible, virtuoso, vilify, vulnerable, incipient, colloquial A. The VIRTUOSO who had spent ten years refining his skills as a violinist would sarcastically VILIFY those who made mistakes. B. Saying &...
May 10, 2014

H.E.L.P
1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine 2. Compare the two ...
May 10, 2014

English help
From the words below supply the words needed to complete the sentences. Prolific, incontrovertible, tentative A. He said that he had made a TENTATIVE offer on a pair of rabbits; he planned to call back and confirm if his wife did not object. His wife, however, did object; she ...
May 10, 2014

English help
Is it d?
May 10, 2014

English help
1. Thyme: herb:: A. Fearless: brave B. sedan: auto C. Speech: mouth D. Auto: garage Is it b? 2. Bat: raccoon:: A. Bird: robin B. insect: snake C. Owl: possum D. Porpoise: whale Is it c? 3. Penny: coin A. Dollar: pound B. whisper: speak C. Epic: poem D. Read: write Is it c?
May 10, 2014

math
hjj
May 10, 2014

english
Which is the best place to find more info about the development of photography in the mid 1800/s. -photography manual - history textbook .encyclopedia
May 10, 2014

english
The first one
May 10, 2014

english
Please help: Which sentence uses apostrophes correctly? A. Martha's new bike was stuck and couldn't nove. B. Tracy's only brothers' birthday si the day before hers. C. Walter's childrens' grades have been improving lately.
May 10, 2014

english
Oh. Okay. B is the answer.
May 10, 2014

english
Leave sentence as is is my answer.
May 10, 2014

english
Leave sentence as is.
May 10, 2014

english
A or b
May 10, 2014

english
What is the correct way to write mens' in this sentence? After their group got caught in the rain, the mens' clothes were all soaked. A. Leave the sentence as si. B. Men's C. Mens's D. Men'
May 10, 2014

english
Thank you:-)
May 10, 2014

english
What should you do to the following sentence to avoid using a double negative? Even with glasses on, she didn't never see well. A. Leave the sentence as is. B. Even with glasses on, sue didn't ever see well. C. Even with glasses on, she never saw nothing well. D. Even ...
May 10, 2014

Algebra
Sumi can wash the windows of an office building in 3/4 the time it takes her apprentice. One day they worked on the building together for 2h 16min , then Sumi continued to work alone. It took 4h 32min more to complete the job. How long would it take her apprentice to wash all ...
May 9, 2014

Math
Yes, but how did the first n in n(1 - 2n) go away?
May 9, 2014

Math
How did you get 1 - 2n = 0?
May 9, 2014

Math
n-2n^2=0
May 9, 2014

Electricity
50.0pJ of energy is stored in a 3.00cm × 3.00cm × 3.00cm region of uniform electric field. What is the strength of the field?
May 9, 2014

Physics
50.0pJ of energy is stored in a 3.00cm × 3.00cm × 3.00cm region of uniform electric field.
May 9, 2014

Algebra
A chemist has one solution that is 80% acid and a second solution that is 30% acid. How many liters of each solution will the chemist need in order to make 50L of a solution that is 62% acid?
May 9, 2014

Algebra
The area of a rectangular piece of land is 280 square meters. If the length of the land was 5 meters less and the width was 1 meter more, the shape of the land would be a square. Part A: Write an equation to find the width (x) of the land. Show the steps of your work. (5 ...
May 9, 2014

Algebra
Thanks to both of you!
May 9, 2014

Algebra
Two lamps can be connected to a battery in a circuit in series or in parallel. You can calculate the total resistance RT (t is down from r) in a circuit if you know the resistance in each lamp. Resistance is measured in ohms. For a circuit connected in series, RT = R1 + R2. ...
May 9, 2014

Physics
A baseball is thrown from the roof of 23.5m -tall building with an initial velocity of magnitude 10.0m/s and directed at an angle of 53.1∘ above the horizontal. a.What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air ...
May 9, 2014

Physics
A ski tow operates on a slope of angle 14.9∘ of length 320m . The rope moves at a speed of 12.5km/h and provides power for 55 riders at one time, with an average mass per rider of 68.0kg .Estimate the power required to operate the tow.
May 9, 2014

Algebra
How do I do 1/12 = 1/30 + 1/R?
May 9, 2014

Algebra
I'm sorry, R1 = 30 ohms.
May 9, 2014

Algebra
Two lamps can be connected to a battery in a circuit in series or in parallel. You can calculate the total resistance RT (t is down from r) in a circuit if you know the resistance in each lamp. Resistance is measured in ohms. For a circuit connected in series, RT = R1 + R2. ...
May 9, 2014

capstone citical thinking
Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence
May 9, 2014

HELP!!!!!!!!!!!!
WHAT GPA like 97 or 96
May 9, 2014

Help?
No. I'm saying that's the question but I changed my answer to B.
May 9, 2014

Help?
This one: How are Boolean search strategies and other search filters useful? They organize results alphabetically. *** They narrow the search results. They increase the number of search results. They find creative sources.
May 9, 2014

Help?
2. D or B?
May 9, 2014

Help?
1. Which of the following are Boolean operators? and, or, not *** to, for, from a, an, the is, are, not 2. How are Boolean search strategies and other search filters useful? They organize results alphabetically. *** They narrow the search results. They increase the number of ...
May 9, 2014

Algebra
Two pipes fill a storage tank in 9 hours. If the larger pipe fills the tank three times as fast as the smaller one, how long would it take the larger pipe to fill the tank alone? In terms of your variable, what fraction of the tank is filled in 1 h by the larger pipe alone? By...
May 9, 2014

Can you please check my answers?
I thought it would be....D
May 9, 2014

Can you please check my answers?
Nope.
May 9, 2014

Can you please check my answers?
# 2 be A?
May 9, 2014

Can you please check my answers?
I disagree for the second one.
May 9, 2014

Can you please check my answers?
Can you help me with a few more? 4. Which of the following items found in a beach bag promotes good health? swimsuit snorkeling mask sunscreen *** radio 5. Which of the following functions like a fulcrum in a lever? tendons connecting muscle to bone at a joint ligaments ...
May 9, 2014

Can you please check my answers?
The first one is a ball and socket joint, which allows for a lot of movement.
May 9, 2014

Can you please check my answers?
Which of the following types of joints allows the type of shoulder motion needed by a baseball pitcher to pitch a fastball in a baseball game? pivot *** gliding hinge ball and socket 2. Which of the following pairs of joints represents the same type of joint? Neck and knee ...
May 9, 2014

health
Couch potatoitis, diabetes, obesity, heart disease, fatigue, etc.
May 9, 2014

health
Exercise can help prevent
May 9, 2014

health
What is an example of how adults can develop knowledge to attain goals if running is a goal
May 9, 2014

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