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Questions Asked on October 7, 2009

The population of a region is growing exponentially. There were 40 million people in 1980 (when t=0) and 50 million people in
1. 2 answers
2. asked by Z32
3. 9,606 views
One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 5.0m/s,
1. 1 answer
2. asked by Taylor
3. 7,943 views
A child is pushing a shopping cart at a speed of 1.5 m/s. How long will it take this child push the cart down an aisle with a
1. 3 answers
2. asked by Ciera
3. 6,322 views
We did the gold penny lab, where we bathed a copper penny in a hot zinc-NaOH mixture to turn it a silver color, then we heated
1. 5 answers
2. asked by Emily
3. 4,693 views
[Exponential growth & decay]The half-life of radioactive strontium-90 is approximately 29 years. In 1965, radioactive
1. 1 answer
2. asked by Z32
3. 4,675 views
Figure 8 shows position-time graphs of the straight-line movement of two brown bears in a wildlife preserve. Which bear has the
1. 3 answers
2. asked by Mureia
3. 4,403 views
On the surface of the Earth, it is approximately 6,200 miles to the North or South pole. How many miles is it between two
1. 6 answers
2. asked by Meghan
3. 4,380 views
For what values of k will the line 2x+9y+k=0 be normal to the hyperbola given by 3x^(2)-y^(2)=23? Justify your answer
1. 3 answers
2. asked by Anonymous
3. 4,305 views
A batch of 350 raffle tickets contatins 4 winning tickets. You buy 4 tickets. What is the probability that you have:a.) No
1. 2 answers
2. asked by Sharon
3. 3,922 views
A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting pointA) 8.616 mi B) 10
1. 3 answers
2. asked by badatmath
3. 3,545 views
in whgich group are the spheres of earth listed in order of increasing density?
1. 2 answers
2. asked by siah
3. 3,057 views
A 280 kg piano slides 4.3 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the
1. 3 answers
2. asked by pauleen
3. 3,041 views
Two circles of radius 4 are tangent to the graph of y^2=4x at the point (1,2). Find the equation of these two circles.
1. 2 answers
2. asked by Anonymous
3. 2,777 views
A young man spent 1/4 of his allowance on a movie. He spent 11/18 of the remainder on after-school snacks. Then from the money
1. 1 answer
2. asked by David
3. 2,655 views
1. Two tugboats pull a barge across the harbor. one boat exerts of force of 7.5 x 10^4 N North, while the second boat exerts a
1. 3 answers
2. asked by Zoomba21
3. 2,440 views
In how many ways can a person choose 3 movies to see in a theater playing 11
1. 1 answer
2. asked by Hassan
3. 2,198 views
Blocks with masses of 1kg , 4kg , and 6kg are lined up in a row on a frictionless table. All three are pushed forward by a 50N
1. 2 answers
2. asked by Kalen
3. 2,177 views
please help me, please.a farmer is building a circular corral to hold a live stock. with distances measured in metres, the shape
1. 2 answers
2. asked by sameul
3. 2,164 views
David is driving at a steady 30.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a
1. 2 answers
2. asked by Angela
3. 2,153 views
Human tissue cells seem to fit together like pieces of a jigsaw puzzle. How is this arrangement of cells helpful to an organism?
1. 2 answers
2. asked by Kelly
3. 2,077 views
soo for physics, we did a lab where we launched a cart on a track on the floor and recorded time, distance, etc. to figure out
1. 1 answer
2. asked by student
3. 1,951 views
What physical properties are different for the isomers of C4H10? Explain.
1. 1 answer
2. asked by Rose
3. 1,927 views
1.Which of the following activities would best be suited for scaning?A. Finding answers to the chapter review in history. B.
1. 2 answers
2. asked by larry
3. 1,826 views
1. The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration
1. 1 answer
2. asked by Dora
3. 1,820 views
Suppose you wanted to dissolve an aluminum block with a mass of 15.4 gWhat mass of H2 gas (in g) would be produced by the
1. 2 answers
2. asked by Liz
3. 1,773 views
How long will it take a bus traveling at 60 miles per hour to overtake a car traveling at 40 mph if the car had a 1.5 hour head
1. 3 answers
2. asked by Michelle
3. 1,746 views
Ian multiplied a number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product?
1. 7 answers
2. asked by CeCe
3. 1,739 views
CAM (crassulacean acid metabolism) plants such as the cacti differ from standard C4 plants such as corn in which of the
1. 1 answer
2. asked by John Joseph
3. 1,717 views
A popular pastime is to see who can push an object closest to the edge of a table without its going off. You push the 100 g
1. 2 answers
2. asked by Kalen
3. 1,552 views
Your phone company charges $0.05 per minute for long distance phone calls on the weekend. Write a direct variation model that
1. 1 answer
2. asked by Anonymous
3. 1,489 views
How are rain,sleet,and hail similar and how are they different?
1. 3 answers
2. asked by tymera
3. 1,465 views
Find the number of degrees in an interior angle, a central angle, and an exterior angle of a regular hexagon.
1. 3 answers
2. asked by Kay
3. 1,429 views
How Does a rodeo star get around
1. 5 answers
2. asked by yo
3. 1,360 views
How did geographic features help shape european cultures? Provide examples to support your answers.
1. 1 answer
2. asked by Dana
3. 1,335 views
decide whether the given ordered pair is a solution of the equation:1. 3y+12x=-4; (1/5, -35/15): 2. 8-3x+24y=0; (5, 23/24) I
1. 1 answer
2. asked by hope
3. 1,321 views
I have just one more question. Should Congress play a greater role in the formation of American foreign policy? Why or why not?I
1. 3 answers
2. asked by Jennifer
3. 1,289 views
What is a good way to start off my introduction for a biographical sketch?
1. 11 answers
2. asked by Anna
3. 1,245 views
(Comprehensive) Jackson Construction Company uses a job order costing system. In May 2008, Jackson made a $1,650,000 bid to
1. 0 answers
2. asked by Danny
3. 1,182 views
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to
1. 0 answers
2. asked by stat
3. 1,152 views
for each function, find an equasion for the inverse. then use composition to verify that the equasion you wrote is the inverse.f
1. 2 answers
2. asked by peggy
3. 1,081 views
If I added 60 drops of water to a beaker and weighed it, and then added another 60 drops of water to the breaker;How would I
1. 3 answers
2. asked by lou
3. 1,072 views
Help me I am lost? I do not even know where to start:The shorter leg of a 30°–60°–90° triangle is 12. What are the
1. 2 answers
2. asked by jay
3. 1,071 views
2H2O2 --> 2H2O +O2If a 250mL bottle of hydrogen peroxide solution containing 3% H2O (by mass) completely decomposed how many
1. 3 answers
2. asked by Anonymous
3. 1,070 views
Use the Law of Detachment to draw a conclusion.If the measures of two angles have a sum of 90 degrees, then the angles are
1. 0 answers
2. asked by Daphne
3. 1,045 views
I'm doing a survey for class and I need 10 people to answer the following question with a simple yes or no:Do you eat some type
1. 3 answers
2. asked by Alyssa
3. 1,033 views
a student wished to test a sample of organic material to determine whether it was sugar, a dat, or starch. If she could perform
1. 2 answers
2. asked by bubba
3. 1,026 views
help word definition word
1. 1 answer
2. asked by Anonymous
3. 1,026 views
Can someone please help me with this question?Could freezing point depression be used for substances that are not soluble in
1. 2 answers
2. asked by Jessie
3. 1,026 views
Show the F1 and F2 progeny phenotypic and genotypic ratios of the following dihybrid cross involving unlinked purebred Mendelian
1. 0 answers
2. asked by Jenna
3. 1,025 views
which is the correct subject prounoun for -------eres estudiante.
1. 1 answer
2. asked by Anonymous
3. 1,022 views
you drag a heavy box along a rough horizontal floor by a horizontal rope. Identify the reaction force to each of the following
1. 0 answers
2. asked by Sara
3. 1,020 views
How do you enhance the movement of graphic objects and bulleted text in your slideshow?
1. 0 answers
2. asked by paula
3. 1,002 views
What is a specific characteristic used to classify organisms?
1. 0 answers
2. asked by cmaci14
3. 999 views
Consider the titration of 50.0 mL of 0.20 M NH3 (Kb = 1.8x10^-5) with 0.20 M HNO3. Calculate the pH after addition of 50.0 mL of
1. 3 answers
2. asked by Anonymous
3. 989 views
WHy is it better to use a wet mount preparation rather then a dry one?are plant and animal cells prokaryotic or eukaryotic? WHy
1. 7 answers
2. asked by anonymous
3. 987 views
explain which groups of people make up the "britons" and anglo-saxon culture in beowulf
1. 0 answers
2. asked by hal
3. 983 views
Last time I asked this question, I forgot to come back here and check so I'm really sorry that I'm asking again but i need an
1. 9 answers
2. asked by mysterychicken
3. 973 views
The limit represents the derivative of some function f at some number a. Select an appropriate f(x) and a.lim (cos(pi+h)+1)/h
1. 1 answer
2. asked by Anonymous
3. 967 views
On Jan 1, 2009 the following activitis occurred:a) ICDI, a consulting services company, was orgainized and issed 10,000 shares
1. 3 answers
2. asked by Bel
3. 931 views
can you please give me an example of an phrase or image that describes and emotional overtone and the message found in the
1. 6 answers
2. asked by bindiya farswani
3. 916 views
Decide if the following statement is true:Two concurrent lines can never be perpendicular. Explain why or why not?
1. 1 answer
2. asked by Ken
3. 910 views
When a firms long run avg cost curve is horizontal for a range of output, then in that range production displays:a) constant avg
1. 1 answer
2. asked by dav-0
3. 898 views
1.Which of the following activities would best be suited for scaning?A. Finding answers to the chapter review in history. B.
1. 1 answer
2. asked by larry
3. 896 views
Can someone proofread my essay and tell me if it makes sense? I don't want it to sound like I'm going off the subject.Gender
1. 9 answers
2. asked by Kuromi
3. 878 views
how could i explain the unitary, confederate, and federal systems of government in a five hundred word essay
1. 2 answers
2. asked by Travis
3. 872 views
[Inverse Functions]f(x)= 5cos(x)sin^(-1)(x) f'(x)=?
1. 0 answers
2. asked by Z32
3. 872 views
Label the pronouns on upper case, either N for nominative case, O for objective case, or POS for possessive case. Indicate the
1. 5 answers
2. asked by amber
3. 871 views
what is the number to the nearest tenth 510,000,000is it 500,000,000
1. 1 answer
2. asked by donavan
3. 860 views
What is intensive pronoun and what is reflexive pronoun? How are they different? Also, what is indefinate pronoun? Examples?
1. 4 answers
2. asked by Anonymous
3. 855 views
I have a question about incomplete combustions. I think that you can have carbon monoxide, carbon dioxide, water and carbon or
1. 6 answers
2. asked by Anne
3. 829 views
If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths)
1. 1 answer
2. asked by Rani
3. 828 views
Before you write your expository essay, you must organize your ideas. One way toorganize content is by creating a formal
1. 2 answers
2. asked by Anonymous
3. 805 views
a bottle is given a push along a frictionless tabletop and slides off the edge of the table (a) what forced are exerted on the
1. 1 answer
2. asked by Nick
3. 797 views
If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths)
1. 1 answer
2. asked by Rani
3. 797 views
rice is grown throughout southeast asia in flooded:A)****cultivations B)lodes C)paddies D)cyclones which of the following
1. 3 answers
2. asked by henry
3. 776 views
how many guests were present at a dinner if every two guest shared a bowl of rice, every three guests shared a bowl of broth,
1. 2 answers
2. asked by David
3. 763 views
Tanya is 12 years older than leah. Three years ago, Tanya was five times as old as leah. How old is leah?
1. 2 answers
2. asked by cely
3. 761 views
If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths)
1. 1 answer
2. asked by Anonymous
3. 755 views
use the digits 8,6,1 &4 once each.Arrange the digits to make a 4- digit number.How many different 4-digit numbers can you make
1. 1 answer
2. asked by mmima
3. 721 views
A highway curve with a radius of 430 m is banked properly for a car traveling 115 km/h. If a 1550- kg Porshe 928S rounds the
1. 2 answers
2. asked by kevin
3. 719 views
the great barrier reef consists of thousands of small:A)continental islands B)lichen reefs C)coral reefs D)volcanic reefs my
1. 1 answer
2. asked by henry
3. 718 views
(microscope crossword puzzle)What is a 6-letter word for eyepiece and the word begins with an "O?"
1. 4 answers
2. asked by Terri
3. 718 views
After an unexpected increase in the price of oil, the long run adjustment_____ the price level and_____the unemployment rate as
1. 0 answers
2. asked by dave
3. 718 views
What is the actual size of a red blood cell
1. 3 answers
2. asked by Hannah
3. 703 views
If a distribution is mound-shaped and symmetric, what percent of homes will have a monthly bill of more than $115? The mean
1. 1 answer
2. asked by Sam
3. 701 views
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a
1. 1 answer
2. asked by Anonymous
3. 692 views
find the value of y so that the line passing through the two points has the given slope: 1. (6,y), (3/2, 9/5), m=2/32. (12,y),
1. 1 answer
2. asked by w/e
3. 692 views
Asking to describe & correct the error in writing the number 81,700,000 in sci. notation.Standard Form 81,700,00 Product Form
1. 3 answers
2. asked by Hunter
3. 692 views
Hello. I was wondering if you can please assist me with writing a short paragraph comparing Baldwin's account of the Titanic
1. 1 answer
2. asked by Brian
3. 688 views
We are learning about circular motion, uniform and non uniform. how do you find tension in a string, when the string is attached
1. 5 answers
2. asked by Kalen
3. 682 views
A beaker with 150 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and
1. 5 answers
2. asked by Anonymous
3. 682 views
hey guys, im kinda stuck on my science hw. i don't remember wut condensation is, i think it is when water turns into a water
1. 2 answers
2. asked by A7X a.k.a Aaron
3. 680 views
Can someone check my work?English: My cousin came over to play. We were running around the living room. My brother and cousin
1. 2 answers
2. asked by Larry
3. 680 views
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from
1. 1 answer
2. asked by stat
3. 677 views
(II) A grocery art with mass of 18 kg is pushed at constant speed along an aisle by a force F = 12 N. The applied force acts at
1. 2 answers
2. asked by pauleen
3. 674 views
most countries of south pacific region:A)came independent in the 1700s b)came independent in the 1800s C)came independent in the
1. 1 answer
2. asked by henry
3. 665 views
Trying to be sure that procedure directions for performing my experiment are correct! I'm on step by step experimental procedure
1. 1 answer
2. asked by 6th Grade School Science Expo Timeline
3. 663 views
If ab U ac is a line, what is true about A, B, and C?
1. 1 answer
2. asked by JJ
3. 658 views
how does pascals triangle relate to permutation and combination?
1. 1 answer
2. asked by Innayah
3. 658 views
If a 20 kg object fell to the surgace of the Earth from a height of 30m, what would its final velocity be? (work from the energy
1. 1 answer
2. asked by Kayla
3. 651 views

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