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2012
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Questions Asked on January 6, 2012

How many atoms are present in a sample of 2.0 x 10^23 molecules of C7H5(NO2)3?Do you use Avogadro's Number? And
1. 3 answers
2. asked by Sunny
3. 5,591 views
What method would you use to separate salt, sand , marble chips and iron nails?
1. 4 answers
2. asked by Anonymous
3. 3,903 views
what is the unit rate on 36 pieces of candy for 6 children
1. 11 answers
2. asked by pooh
3. 3,292 views
A rental company charges a flat fee of x dollars for a floor sander rental plus y dollars per hour of the rental. One customer
1. 2 answers
2. asked by Izzy.
3. 2,751 views
Language - PYTHONDesign a program that calculates the total amount of a meal purchased at a restaurant. The program should ask
1. 2 answers
2. asked by Jane
3. 2,627 views
1. The main provisions of the Endangered Species Act include all of the following EXCEPT:a. individuals may not destroy the
1. 3 answers
2. asked by Cheryl
3. 2,462 views
A photograph is 4.5 in wide and 6 in. long. A yearbook editor has the photo reduced to fit a space 1.9 in. wide.How long is the
1. 6 answers
2. asked by kokodiva
3. 2,435 views
Sue and Sean are having a tug of war by pulling on opposite ends of a 1.43 kg rope. Sue pulls with a 46.47 N force. What is
1. 2 answers
2. asked by Jordyn
3. 2,292 views
Write the standard equation for the circle center (–6, 7), r = 9please help i am confused on this one
1. 1 answer
2. asked by ryan
3. 2,265 views
the population of sat scores forms a normal distribution with a mean of u=500 and a standard deviation of o=100. if the average
1. 1 answer
2. asked by darrell
3. 2,023 views
An object has a mass of 115 kg on the Earth. What is the weight of the object on the surface of a planet where the acceleration
1. 2 answers
2. asked by Jordyn
3. 1,827 views
given functions f(x) = 3x-5 and g(x) = 1/3 - 4/3x correct the error g(-3) = 1/3 - 4/3(3)= 1/3-4 = - 3 2/3 error i believe is 3
1. 5 answers
2. asked by ann
3. 1,771 views
Consider the reaction of peroxydisulfate ion (S2O82-) with iodide ion (I -) in aqueous solution.S2O82-(aq) + 3 I -(aq) �¨ 2
1. 1 answer
2. asked by Kaanha
3. 1,714 views
a population forms a normal distribution with a mean of u=80 and a standard deviation of o=15. for each of the following
1. 1 answer
2. asked by darrell
3. 1,591 views
You have 11 cups of flour. It takes 1 cup of flour to make 24 cookies. The function c(f) = 24f represents the number of cookies,
1. 2 answers
2. asked by Jane
3. 1,586 views
The density of gold is 19.3 g/cm^3. You inherit a gold bar that measures 7.0 inches by 3.0 inches by 2.0 inches. How many ounces
1. 1 answer
2. asked by 2daycr8
3. 1,543 views
baloonist drops rock from balloon. takes 7 seconds for the rock to fall. what's the balloonist's altitude in feet?
1. 2 answers
2. asked by jenny
3. 1,540 views
the average age for licensed drivers in the country is u=40.3 years with a standard deviation of o= 13.2 years.a. a researcher
1. 1 answer
2. asked by kiera
3. 1,430 views
On a map of downtown, 12th street is perpendicular to Avenue J. The equation y=-4x+3 represents 12th street. What is the
1. 1 answer
2. asked by jackson
3. 1,373 views
Maria sells paintings in an art gallery. She ears $375 each week plus a commission equal to 2.5% of her sales. This week her
1. 1 answer
2. asked by rachel
3. 1,313 views
There are 7 girls on a bus.Each girl is carrying 7 backpacks. In each backpack, there are 7 big cats. For each big cat, there is
1. 16 answers
2. asked by Riley
3. 1,268 views
You are conducting an experiment to see if a given therapy works to reduce testanxiety in a sample of college students. A
1. 1 answer
2. asked by sai
3. 1,239 views
You push with a force of 22.5 N on a loaded shopping cart that has a total mass of 80 kg. What is the acceleration of the cart?
1. 1 answer
2. asked by Jordyn
3. 1,226 views
Could you please check these statements, please? Thank you.1) the first who trusts/to trust are both possible? 2) "Let's check
1. 1 answer
2. asked by Henry2
3. 1,173 views
during two hours at one area high school there are 3 class changes and two class periods. if the time spent in class is six less
1. 1 answer
2. asked by Vic
3. 1,166 views
Prove thattan2A = (sec2A+1)√sec²A-1
1. 3 answers
2. asked by Kewal
3. 1,164 views
what is the speed of a sound wave if its frequency s 160 hertz and its wavelength is 2.2m?
1. 1 answer
2. asked by aatqa
3. 1,164 views
Inexperienced writers often try to skip the earlier stages of writing where you generate ideas and plan your paper. But when
1. 1 answer
2. asked by Bee
3. 1,139 views
On tuesday you all took the science and then your social studies final exams. What is the probability of you passing your social
1. 1 answer
2. asked by Ray
3. 1,137 views
Jim has put a fence along the side AC of the triangular patch of land shown below.A right angle triangle ABC is shown having
1. 1 answer
2. asked by sunny
3. 1,132 views
Admission to the fair costs $7.75. Each ride costs you $0.50. You have $15 to spend at the fair including admission. Which
1. 2 answers
2. asked by Jane
3. 1,057 views
welsh, davis, burke, and williams (2002) conducted a study to evaluate the effectiveness of a carbohydrate-electrolyte drink on
1. 2 answers
2. asked by kiera
3. 1,051 views
Explain how to solve?Which equation below shows the equation y = – 1/4x + 4 written in standard form using integers? A) 2x +
1. 1 answer
2. asked by Jane
3. 1,018 views
An architect needs to design a rectangular room with an area of75 ft What dimensions should he use in order to minimize the
1. 1 answer
2. asked by Tyler
3. 1,015 views
Which of the following is not a reason there was a rowing spirit of nationalism in africa foloowing world war 2?A. African
1. 1 answer
2. asked by sarah
3. 979 views
A high jumper, falling at 3.8 m/s, lands on a foam pit and comes to rest compressing the pit 0.38 m. If the pit is able to exert
1. 2 answers
2. asked by Amy
3. 978 views
the game of the euchre uses just 9s,10s,jacks,queens,kings and aces from a standard deck of 52 cards. how many five-card euchre
1. 1 answer
2. asked by sana
3. 978 views
What would happen if our themoregulation used a postive feedback to maintain homeostasis
1. 0 answers
2. asked by Lynn
3. 941 views
A 19.00 kg box rest on a table. What is the weight of the box?
1. 1 answer
2. asked by Jordyn
3. 937 views
Georgie was pulling her brother (of mass26 kg) in a 11.9 kg sled with a constant force of 37 N for one block (100 m). How much
1. 1 answer
2. asked by Anonymous
3. 930 views
The table shows the cost of a ski rental package for a given number of people. Using the rate of change, what is the cost for 13
1. 1 answer
2. asked by Jane
3. 912 views
Prove thatsin3A+sin2A-sinA = 4sinAcosA/2cos3A/2
1. 1 answer
2. asked by Kewal
3. 911 views
1. Symbiotic relationships may evolvea. very quickly to remove all benefits acquired by the relationship. b. rapidly over a
1. 1 answer
2. asked by Cheryl
3. 877 views
You pull on a rope that is attached to a box. The rope makes an angle of 25 degrees with the ground. You are pulling the box at
1. 1 answer
2. asked by charlie
3. 863 views
Hi, I redid some of the answers as suggested yesterday from someone who responded to my post. Could you please see if I did them
1. 5 answers
2. asked by Sophie
3. 796 views
At the school store, colored pencils are reduced from $2.40 a box to $2.00 a box. What is the percent of decrease?
1. 2 answers
2. asked by Martha
3. 789 views
A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 45.0 m. The car moves at constant
1. 1 answer
2. asked by bob
3. 783 views
How many points in a plane are in the locus of all points equidistant from two parallel lines in the plane?a.0 b.1 c.2
1. 2 answers
2. asked by Lily
3. 774 views
An HNO3 solution has a pH of 3.04. What volume of 0.015 M LiOH will be required to titrate 89.0 mL of the HNO3 solution to reach
1. 1 answer
2. asked by Anonymous
3. 753 views
A 45kg sled is coasting with constant velocity at 3.0m/s over a patch of smooth and level ice. It enters a very rough section of
1. 3 answers
2. asked by Lala
3. 746 views
Adonde vas despues de comer?
1. 2 answers
2. asked by sammy
3. 746 views
formula A=P(1+r)^tAn account earning interest at a rate of 4% has a principal of $500,000. If no more deposits or withdrawals
1. 1 answer
2. asked by josh
3. 690 views
How was the writing of the Grito de Dolores similar to the writing of the petition by the First Continental Congress?
1. 5 answers
2. asked by Richard
3. 672 views
Which of the following is a function of modern-day psychologists?read tour thoughts study conformity study the future study how
1. 1 answer
2. asked by katerrian
3. 668 views
A __________ defines the decision-making rules for a nation, thus limiting what a government can and cannot do.A. social
1. 4 answers
2. asked by Casper
3. 667 views
In order to measure the distance AB across the meteorite crater, a surveyor at S locates points A, B, C, and D. What is AB to
1. 0 answers
2. asked by Anonymous
3. 660 views
How did the crises in the 1970s illustrate the problem of economic interpendence?A. All nations rely on oil and when nations
1. 2 answers
2. asked by Sarah
3. 658 views
I'm reposting you a few sentences I checked myself again, because you told me they were too wordy. Could you please have a look
1. 1 answer
2. asked by Henry2
3. 655 views
demographer1. calculate following increases or decreases in population for following countries. Country A Births/1000 = 90
1. 12 answers
2. asked by Mohammad
3. 654 views
at what image distance is it difficult, but not impossible to locate a clearly focused image? i think that would be far from
1. 1 answer
2. asked by Shreya
3. 645 views
The linear equationy=0.15x+0.79 represents an estimate of the average cost of gas for year x starting in 1997. the year 1997
1. 1 answer
2. asked by Marcus
3. 638 views
A woman throws a ball at a vertical wall d = 5.8 m away. The ball is h = 2.9 m above ground when it leaves the woman's hand with
1. 1 answer
2. asked by Landon
3. 635 views
What must you keep in mind about decisions posted on the internet so soon after a ruling?can please somebody help me with this
1. 3 answers
2. asked by Tobby
3. 634 views
How does buying a car that gets good gas mileage might reduce the amount of carbon dioxide that is added to the atmosphere?
1. 3 answers
2. asked by Mikka
3. 613 views
What are names of careers in home management?
1. 5 answers
2. asked by Sasha
3. 612 views
A girl holds a 1.7 kg air rifle loosely and fires a bullet of mass 2 g. The muzzle velocity of the bullet is 160 m/s. What is
1. 1 answer
2. asked by Anon
3. 605 views
Suppose a person metabolizes 2150 kcal/day.a) With a core body temperature of 37.1°C and an ambient temperature of 21.3°C,
1. 1 answer
2. asked by melisa
3. 596 views
Sorry about the symbols before.Admission to the fair costs $7.75. Each ride costs you $0.50. You have $15 to spend at the fair
1. 1 answer
2. asked by Jane
3. 591 views
I'm really sorry. The last two sentences in my last post shouldn't be there because you already checked them.I really apologize
1. 1 answer
2. asked by Henry2
3. 591 views
Which language is spoken by most people in Brazil because of that countrys colonial heritage?I think the answer is Spanish.. am
1. 6 answers
2. asked by Maryam
3. 583 views
A 500 g glass beaker is in thermal equilibrium with 100 ml of 20 Degrees celsius water in it. If a 5 g sample of copper is
1. 2 answers
2. asked by Rachel
3. 571 views
Solve the linear system by using elimination.6x+y=39 -2x+y=-17
1. 2 answers
2. asked by Izzy.
3. 567 views
A water-cooled engine produces 1589 W of power. Water enters the engine block at 14.61 °C and exits at 29.91 °C. The rate of
1. 0 answers
2. asked by melisa
3. 566 views
a tennis raquet contacts a tennis ball for .03s and applies a force of 30N for that time. What is the impulse generated here?
1. 1 answer
2. asked by kathy
3. 563 views
The Venn diagram below shows the dinner orders for a local restaurant. How many people did NOT order steak for dinner?Steak,
1. 1 answer
2. asked by Jane
3. 563 views
Could you please tell me which of the following phrases are possible? Thank you.1) Hamlet wants to ____ ______; Hamlet wants to
1. 1 answer
2. asked by Henry2
3. 560 views
An antique vase sits on a frictionless surface. A 39.3 N force is applied to the vase, and it accelerates at 8.1 m/s2. What is
1. 1 answer
2. asked by Jordyn
3. 556 views
What does the poem "America" by Maya Angelou really mean.? What is really try to say in this poem..???
1. 2 answers
2. asked by David
3. 551 views
In the 1930s what did brazil do to restore its fallng economy?A. brizal moved away from dependence on a single export. B. brazil
1. 1 answer
2. asked by sarah
3. 551 views
What is the value of p in the proportion below?1/3 = P-2/p+8
1. 1 answer
2. asked by Jane
3. 550 views
A sports car of mass 1311.8 kg can accelerate from rest to 21.22 m/s in 3.5 s. What is the average forward force on the car?
1. 1 answer
2. asked by Jordyn
3. 550 views
a 5ft pole is situated on top of a building. a 25ft pole extends from the top of the pole to a point on the ground creating a 26
1. 1 answer
2. asked by moniqui
3. 546 views
If the length of CE=24, WHat is the Length of FE?
1. 1 answer
2. asked by Anonymous
3. 536 views
A foundry releases 6.0 U.S. tons of gas into the atmosphere every day. The gas mixture contains 2.5% sulfur dioxide (SO
1. 2 answers
2. asked by Anne
3. 533 views
How did china influence the economic development od taiwan.A. Chinese buisness men invested in taiwanese companys. B. Taiwan
1. 3 answers
2. asked by sarah
3. 531 views
how did oil crisis in the 1970s illustate the promblem of economic interdependence?A.all nations rely on oil. C. multinational
1. 1 answer
2. asked by sarah
3. 530 views
if a 600 kg racing car crashes into barrier at 190 mph and it takes 3 seconds for the car to stop sill,what is the force that
1. 1 answer
2. asked by marie
3. 529 views
I left out three sentences. Could you please check them too? I did some of the corrections myself.1) Hamlet has been troubled
1. 1 answer
2. asked by Henry2
3. 527 views
Identify and describe at least two ways you can structure and design the classroom environment to enhance anti-bias education
1. 1 answer
2. asked by Nikita
3. 523 views
A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the
1. 1 answer
2. asked by Jordyn
3. 521 views
A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the
1. 1 answer
2. asked by Jordyn
3. 517 views
A tree in Melaine's yard is 35 feet tall. Melanie is 5 feet tall. The tree is how many times as tall as Helen?
1. 1 answer
2. asked by stella
3. 513 views
I left out these last sentences on Hamlet and a few other sentences on grammar. I hope you can check if they are grammatically
1. 1 answer
2. asked by Henry2
3. 513 views
I still have a few more doubts. Could you please check these sentences, too?1) He said he would come the following day, the next
1. 1 answer
2. asked by Henry2
3. 507 views
Please explain how to solve:You have 11 cups of flour. It takes 1 cup of flour to make 24 cookies. The function c(f) = 24f
1. 0 answers
2. asked by Jane
3. 506 views
A pet store has various sizes of guinea pig cages. What are possible dimensions of this cage? L=6 cm W=4.8cm
1. 1 answer
2. asked by Anonymous
3. 502 views
Compare and contrast the two feedback mechanisms our bodies use to maintain homeostasis what would happen if our
1. 0 answers
2. asked by Lynn
3. 501 views
what is the pro and cons of expansionary monetary policy?
1. 1 answer
2. asked by at
3. 494 views
perform the indicated operation:3/5 x 7/10
1. 1 answer
2. asked by Brandy
3. 491 views
Can someone give me a website so that I can download the youtube video: The Aztec Civilization? Thanks Ariel
1. 1 answer
2. asked by Ariel
3. 489 views

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