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2011
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Questions Asked on October 27, 2011

What would happen if blood entering the heart mixed with blood leaving the heart?
1. 16 answers
2. asked by brandon
3. 9,928 views
Use the terms atom and element to explain what makes silver and gold different.
1. 19 answers
2. asked by Carlos PLEASE
3. 6,459 views
Sulfur dioxide is used to make sulfuric acid. one method of producing it is by roasting mineral sulfides, for example, FeS2(s) +
1. 2 answers
2. asked by Tori
3. 4,410 views
Find the total mass of the triangular region with coordinates (-1,0),(0,4),and (1,0). All lengths are in centimeters, and the
1. 3 answers
2. asked by Caroline
3. 4,169 views
Mrs. Scott decided that she would spend no more than $120 to buy a jacket and a skirt.f the price of the jacket was $20 more
1. 6 answers
2. asked by Adam
3. 4,088 views
Find the area of the region enclosed between y = 2sin (x) and y = 2cos (x) from x = 0 to x = pi/4.Thanks for your help :)
1. 1 answer
2. asked by Michelle
3. 2,978 views
Defective receptor proteins on a cell membrane have the least effect on1.homeostasis 2.Muscle activity 3. nerve signals 4.
1. 13 answers
2. asked by FITTY
3. 2,750 views
What percentage of the area of the standard normal distribution is between z = -1.00 and z = +1.00? How do you know this?
1. 4 answers
2. asked by Jen
3. 2,716 views
Find the z-score for the standard normal distribution where:Area = 0.95 to the left of z
1. 3 answers
2. asked by Jen
3. 2,628 views
A pole 12 meters tall is perpendicular to level ground. A taut wire that is 20 meters long extends from the top of the pole to
1. 3 answers
2. asked by jay
3. 2,304 views
Two wooden crates with masses are as shown are tied together by a horizontal cord. Another cord is tied to the first crate and
1. 1 answer
2. asked by Ashley
3. 2,083 views
What is molality of ethanol in water,if molar fraction of ethanol is 0.3?
1. 2 answers
2. asked by Zedod
3. 2,062 views
Write an equation for the linear function f with the given values.f(4)=-8, f(-3)=1
1. 2 answers
2. asked by Izzy
3. 2,056 views
An autographed baseball rolls oﬀ of a 0.82 mhigh desk and strikes the ﬂoor 0.28 m away from the desk. How fast was it
1. 1 answer
2. asked by Anonymous
3. 2,034 views
An ice cube is melting, and the lengths of its sides are decreasing at a rate of 0.4 millimeters per minute.At what rate is the
1. 5 answers
2. asked by Anonymous
3. 2,030 views
Use the terms atom and element to explain what makes silver and gold different. I've looked online but can not find an answer.
1. 16 answers
2. asked by Carlos PLEASE HELP ME
3. 2,017 views
A 0.400 glider is moving to the right on a frictionless, horizontal air track with a speed of 0.800 when it makes a head-on
1. 2 answers
2. asked by lorena
3. 1,928 views
A firm has fixed costs of $30.00 and variable costs as indicated in the table below. Complete the table.Instructions: Round your
1. 0 answers
2. asked by Anonymous
3. 1,750 views
how much work is done by each force acting on vacuum cleaner as it is pulled horizontally 3 m at a constant speed by a force of
1. 3 answers
2. asked by kennedy
3. 1,678 views
out of 250 students interviewed at a community college, 90 were taking mathematics but not computer science, 160 were taking
1. 3 answers
2. asked by Emma
3. 1,634 views
Who can help me to double check my Quiz ....please?Question 1 of 10 According to Freud, the psychosexual stage that occurs
1. 11 answers
2. asked by Fellon
3. 1,596 views
Suppose a 46-N sled is resting on packed snow. The coefficient of kinetic friction is 0.11. If a person weighing 625 N sits on
1. 1 answer
2. asked by anna
3. 1,585 views
is this true:Introductory participial phrases and adverb clauses are set off from main clauses by commas.
1. 1 answer
2. asked by Bekah
3. 1,578 views
Prepare a 0.025M solution of Glucose by diluting a 1M Glucose solution. What and how much did you mix together?
1. 1 answer
2. asked by Pam
3. 1,577 views
1) In how many ways can 12 distinct objects be separated into three equal piles?2) In how many ways can 25 students be assigned
1. 1 answer
2. asked by Jane
3. 1,524 views
Julie and Eric row their boat (at a constant speed) 21 miles downstream for 3 hours, helped by the current. Rowing at the same
1. 1 answer
2. asked by Hollana
3. 1,524 views
At the center of a 41.0 m diameter circular ice rink, a 61.0 kg skater traveling north at 1.05 m/s collides with and holds onto
1. 6 answers
2. asked by ME
3. 1,498 views
With 50 pennies in three jars labeled A, B and C, how may ways can you put the pennies in the jars assuming they are identical
1. 2 answers
2. asked by Samantha
3. 1,483 views
Organisms that maintain a constant body temperature rely on the heat produced by cells. Where does this heat come from?A)
1. 1 answer
2. asked by Jason
3. 1,471 views
What is 7540/94710 in simplest form?
1. 6 answers
2. asked by Jamie
3. 1,461 views
A 72.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe", a track that is one-quarter of a circle with
1. 1 answer
2. asked by Dan
3. 1,448 views
Use conservation of energy to determine the angular speed of the spool shown in Figure P8.36 after the 3.00 kg bucket has fallen
1. 1 answer
2. asked by Nicole
3. 1,396 views
12. A baseball player throws a ball from left field toward home plate. Assume that you can neglect the effects of air
1. 0 answers
2. asked by Crystal
3. 1,396 views
When two rational expressions are divide, the quotient is 5x² + 3x + 12 + 7/(x + 5. What are the two polynomials?
1. 2 answers
2. asked by Peter
3. 1,343 views
How do I calculate the concentration of KmNO4 when..Initial Volume is 50mL 0.11g sodium oxalate Volume of KMnO4 used to titrate
1. 1 answer
2. asked by Ashley
3. 1,323 views
Which group names all the whole number factors of a composite number?A) 2,3,12,24 B) 1,5,10 C) 1,3,5,15 D) 1,31
1. 2 answers
2. asked by Bob
3. 1,311 views
Name the 4 functions of the respiratory system.1. 2. 3. 4.
1. 1 answer
2. asked by Susan Yi
3. 1,297 views
According to Piaget, egocentrism refers to?
1. 2 answers
2. asked by tyler
3. 1,286 views
If a boat leaves dock and travels 3 miles north, then travels 2.5 miles west, how many miles from the dock is the boat?
1. 1 answer
2. asked by Luisa
3. 1,284 views
How many handfuls of 15 are possible with at least one piece of each flavor - 50 cherry, 50 strawberry, 40 orange, 70 lemon, and
1. 1 answer
2. asked by Terri
3. 1,283 views
James sold magazine subscriptions with three prices: $26, $19, $ 23. He sold 3 fewer of the $26 subscriptions than of the $19
1. 1 answer
2. asked by Kat
3. 1,271 views
Sally wants to buy her friend a bouquet for his birthday. She wants it to contain both carnations and roses. She has $25.20 to
1. 1 answer
2. asked by Linda
3. 1,267 views
A rock of mass m = 1.8 kg is tied to a string of length L = 2.4 m and is twirled in a vertical circle as shown in the figure
1. 1 answer
2. asked by Freud
3. 1,254 views
mr jacob is 55 years old and tony is 7 years old. in how many years will mr. jacob be 4 times as old as tony?
1. 2 answers
2. asked by TJ
3. 1,226 views
Find the point on the line -3 x + y - 4 =0 which is closest to the point ( -5, 0 ).
1. 1 answer
2. asked by Anonymous
3. 1,203 views
Our class did an expeiment of adding sodium carbonate and calcium chloride. The experiment only yielded 28% of the calculated
1. 1 answer
2. asked by Robert
3. 1,179 views
Now I need help with: Short paragraph(s)outlining how I plan to find resources and evaluate my resources for credibility.
1. 7 answers
2. asked by keri
3. 1,157 views
4. After the temperature reaches 33 degrees Celcius, the rate of photosynthesis declines. Using knowledge of enzymes, explain
1. 0 answers
2. asked by Madison
3. 1,154 views
1. - 5(2x+2)is greater than or equal to -10x - 17 (1 point)a)x is greater than or equal to 7 b)x is less than or equal to 19
1. 3 answers
2. asked by Emily
3. 1,153 views
Decomposition reaction: CH2=CH2(g)---> CH4(g) + C (Graphite)If the decomposition begins at 10c and 40.0 atm with a gas density
1. 1 answer
2. asked by Tor
3. 1,143 views
Can someone edit this essay?Topic is "if given funding for a small engineering project, what would you do?" 250 word limit
1. 1 answer
2. asked by Mathew
3. 1,141 views
if the ratio of rose bushes to trees in the yard is 3 to 1. Which of these shows possible numbers of roses to trees in the yard.
1. 15 answers
2. asked by casey
3. 1,124 views
How up-welling affect ocean life?How currents affect climate and weather?
1. 3 answers
2. asked by Aldwin
3. 1,115 views
Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were
1. 1 answer
2. asked by Carmella
3. 1,113 views
Bunyan Lumber, LLC, harvests timber and delivers logs to timber mills for sale. The company was founded 70 years ago by Pete
1. 3 answers
2. asked by Bunyan Lumber, LLC, harvests timber and delivers l
3. 1,103 views
3.6 g of a hydrocarbon fuel is burned in a calorimeter that contains a 244 grams of water initally at 25.00 degrees C. After the
1. 1 answer
2. asked by Aubrey
3. 1,095 views
Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were
1. 1 answer
2. asked by Marcus
3. 1,095 views
A car travels in a straight line. The driver applies the brakes and comes to an abrupt stop. Durning braking, what happens to
1. 2 answers
2. asked by CD
3. 1,092 views
Ace Rent a Car charges a flat fee of $15 and $0.25 a mile for their cars. Acme Rent a Car charges a flat fee of $30 and $0.17 a
1. 3 answers
2. asked by Bri
3. 1,088 views
Of the nine (Ann, Ben, Cal, Dot, Ed, Fran, Gail, Hal and Ida), five of them stand in a row for a picture, how many ways can this
1. 1 answer
2. asked by Jason
3. 1,086 views
Which of these is the measure of an obtuse angle?A)45 degree B)90 degree C)120 degree D)180 degree
1. 2 answers
2. asked by miki
3. 1,076 views
1) A shell is fired from a mortar over level terrain. The firing speed is 52 m/s and the mortar is aimed 63° above the
1. 1 answer
2. asked by Kathalina
3. 1,075 views
Suppose the mass of ball F is 0.5·kg. What is the impulse delivered to the ball by the floor?Ball going south at velocity 4
1. 1 answer
2. asked by jr
3. 1,073 views
How many total squares are there on a standard 8 by 8 checkerboard?(It is more than 64)! Make sure to show all your work and
1. 2 answers
2. asked by Ell
3. 1,072 views
Naturally occuring boron is composed of only two isoptopes 10/5B and 11/B with isotopic masses of 10.0129 and 11.00931
1. 1 answer
2. asked by felpin
3. 1,064 views
Humans are constantly innovating ways to produce and consume material resources.Give specific examples of at least two (2)
1. 0 answers
2. asked by Lisa
3. 1,050 views
Why can't naturally occuring uranium be used in a nuclear power plant?A. Naturally occurring uranium decays too rapidly into
1. 0 answers
2. asked by Anonymous
3. 1,046 views
What is the error in this sentence?"Dr. Smith had argued that the cure for insomnia could be found in the seeds of apples, and
1. 10 answers
2. asked by Mishaka
3. 1,037 views
I was wondering what would be a good way to describe someone who is balancing between 2 different cultures?
1. 3 answers
2. asked by Amy
3. 1,027 views
How do you solve system of equation problem. examplex+3y=32 -3x+2y+3 and x+y=6 x-y=-9
1. 1 answer
2. asked by Ann
3. 1,027 views
Two comets, each of mass 6500 kg and traveling 88 m/s in opposite directions, collide head-on and come to rest. How much energy
1. 1 answer
2. asked by Jim
3. 1,019 views
Writing to Explain If you know that 7 x 8 =56, how can you use the Commutative Property of Multiplication to find the product of
1. 2 answers
2. asked by Isabella
3. 1,015 views
write .98 as a fraction of a dollar in simplest form
1. 3 answers
2. asked by Anonymous
3. 1,014 views
if you use $63.00 divided by 9 to estimate $62.59 divided by 9 is $7.00 greater than or less than the exact number? explain
1. 3 answers
2. asked by emma
3. 1,010 views
The vapor pressure of water at 80 degrees c is 355mmHg. A 100cm3 vessel contained wateraturated oxygen at 80 degrees c., the
1. 1 answer
2. asked by el
3. 1,010 views
true or false- if you only want a small volume of hot water, you should place the immersion heater near the bottom of the hot
1. 1 answer
2. asked by rose
3. 1,004 views
Igneous rock is produced by volcanoes. What do you know about the activity on Earth during the time the oldest layer of rock was
1. 0 answers
2. asked by Zack
3. 1,004 views
Mathman couldn't resist the grooving tunes inside and paid his $5.00. He was heading straight for the punch bowl when he noticed
1. 1 answer
2. asked by Lena
3. 999 views
P v Q" is best interpreted asP or Q but not both P and Q X P or Q or both P and Q Not both P or Q P if and only if Q
1. 0 answers
2. asked by bean
3. 991 views
the activation energy for the reaction H2+I2 >>2HI is 167kJ/mol, and deltaE for the reaction is +28kJ/mol. What is the
1. 0 answers
2. asked by Grace Henry
3. 989 views
Point C is the center of the circle. Arc AB measures 5x + 2. Angle ACB measures 3x + 14. Find the value of x.
1. 1 answer
2. asked by alexandra
3. 988 views
You are riding on a flatbed truck moving at 50 kilometers per hour. You have two identical guns, one aimed forward and one aimed
1. 4 answers
2. asked by Neha
3. 986 views
if a bag has one red marble 2 blue marbles and 1 green marble what is the theoretical probability of picking a blue marble?
1. 1 answer
2. asked by Nick Bell
3. 985 views
The reaction 2SO + O2 �¨ 2SO3 is exothermic. (a) How will a rise in temperature affect the yield of SO3 in an equilibrium
1. 1 answer
2. asked by Sheryl
3. 979 views
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate
1. 1 answer
2. asked by Ashley
3. 977 views
The wind exerts a force of 284 N North ona sailboat, while the water exerts a force of 132 N West on the sailboat. What is the
1. 1 answer
2. asked by Steven
3. 971 views
I really hate nvr it's horrible. I'm English so we have to do this I don't know if any Americans do it but I still hate it. For
1. 3 answers
2. asked by Zoe
3. 968 views
why do many companies find increasing and managing diversity to be difficult challenges
1. 1 answer
2. asked by jan
3. 957 views
(4a³b + 5a²b² + a⁴ + 2ab³)÷ (a² + 2b² + 3ab)
1. 3 answers
2. asked by Peter
3. 945 views
A rock falls from rest a vertical distance of 0.63 meters to the surface of a planet in 0.48 seconds. What is the magnitude of
1. 1 answer
2. asked by Isaiah
3. 941 views
If a quarter circle is placed on a square target and the radius of the quarter circle is the same as the length of a side of the
1. 1 answer
2. asked by Nikki
3. 938 views
Find the LCM of 3(t-2)and 6(t-2)is it 18(t-2)
1. 1 answer
2. asked by Katie
3. 936 views
why did the iroquois clear land outside of the wall?
1. 5 answers
2. asked by Laruen
3. 928 views
How fast a Ford Focus car weighing 1200 kg should be moving to have the same momentum as the bullet? Express your answer in
1. 1 answer
2. asked by Anonymous
3. 920 views
Using the "Unit conversion method", derive an equation to calculate the heat required to raise the calorimeter to the maximum
1. 1 answer
2. asked by John
3. 917 views
Find the net torque (magnitude and direction) produced by the forces F1 (F1 = 17.3 N) and F2 (F2 = 26.1 N) about the rotational
1. 0 answers
2. asked by Sami
3. 912 views
is this grammar correct?jacob my best friend belives that he is as smart as i am
1. 1 answer
2. asked by Anonymous
3. 910 views
There are many pairs of numbers (positive and negative) of which the sum is worth the unit. Of those, find the 2 numbers whose
1. 0 answers
2. asked by Raf
3. 910 views
solid is formed by rotating the region bounded by the curve y=e−3x^2 and the x-axis between x=0 and x=1, around the x-axis.
1. 0 answers
2. asked by Terrence
3. 903 views
how do you solve f(x)= G(X)and find the points of intersection of the graphs of the 2 functions f(x)= x^2 + 5x+ 13 g(x)= 19
1. 1 answer
2. asked by xyz
3. 896 views

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