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Questions Asked on April 19, 2012

On a frictionless, horizontal air track, a glider oscillates at the end of an ideal spring of force constant 2.30 N/cm. The
1. 2 answers
2. asked by Joe
3. 11,154 views
The coefficient of friction between the block of mass m1 = 3.00 kg and the surface in the figure below is ìk = 0.365. The
1. 1 answer
2. asked by zamdirhy
3. 7,393 views
both chloroplasts and mitochondria are like in that they both have_______ membranes and their own _____.
1. 5 answers
2. asked by chita
3. 5,343 views
an electron in a mercury atom jumps from level a to level g by absorbing a single photon. determine the energy of the photon in
1. 1 answer
2. asked by Marty
3. 4,377 views
Lois wants to send a box of oranges to a friend by mail. The box of oranges cannot exceed a mass of 10 kg. If each orange has a
1. 10 answers
2. asked by rob
3. 4,120 views
Which atom has the smallest valence p atomic orbital?-Carbon -Nitrogen -Sulfur Why? A. That atom has the highest
1. 1 answer
2. asked by Pooya
3. 3,939 views
A pizza is cut into 10 equal slices. What is the measure of each central angle (the part first eaten)?
1. 3 answers
2. asked by This Guy
3. 3,368 views
You need to make a solution containing 150 g of potassium chloride in 300 g of water. What temperature is required?
1. 3 answers
2. asked by Anonymous
3. 3,214 views
a bank teller has 52 $5 and $10 bills in her cash drawer. the value of the bills is $460. how many $5 bills are there?
1. 1 answer
2. asked by kc
3. 3,084 views
Identify the appropriate punctuation for the phrase in () in the sentence;The song (You Are My Sunshine) always cheers me up.
1. 5 answers
2. asked by lilman
3. 2,983 views
In periods of peak demand, power companies lower their voltage. This saves them power (and saves you money!). To see the effect,
1. 1 answer
2. asked by Kristie
3. 2,907 views
If 1g of steam is mixed wid 1g of ice, then what will be the resultant temperature of the mixture?
1. 2 answers
2. asked by its urgent!!!!!!!!
3. 2,848 views
What is the lateral surface area of a cone with radius 19cm and slant height 11cm?possible answers; 19picm^2 30picm^2 200picm^2
1. 2 answers
2. asked by lilman
3. 2,825 views
An open container holds ice of mass 0.540 kg at a temperature of -18.7 c The mass of the container can be ignored. Heat is
1. 1 answer
2. asked by I
3. 2,726 views
find the probability p(-1.14 < z < 1.01)using the normal standard distribution
1. 1 answer
2. asked by ana
3. 2,620 views
A PERSON STANDING 30 FEET FROM A FLAGPOLE CAN SEE THE TOP OF THE POLE AT A 35 DEGREE ANGLE OF ELEVATION. THE PERSON'S EYE LEVEL
1. 3 answers
2. asked by Dempsey
3. 2,477 views
A 4.65 kg object is released from rest while fully submerged in a liquid. The liquid displaced by the submerged object has a
1. 3 answers
2. asked by Kristen
3. 2,351 views
1+sin2x/sin2x=1+1/2(secx)(cscx)
1. 1 answer
2. asked by Amanda
3. 2,063 views
A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum
1. 2 answers
2. asked by angel
3. 1,948 views
jackie mows a stip of uniform width around her 25m by 15m rectangular lawn and leaves a patch of lawn that is 60% of the
1. 3 answers
2. asked by Bob
3. 1,908 views
cos(2tan^-1(15/8))
1. 1 answer
2. asked by Amanda
3. 1,882 views
There are 24 counters. How many counters could you add without having to regroup? Why?
1. 3 answers
2. asked by Eric Rosado
3. 1,861 views
Simplify:5(cube root of 16) + 2(cube root of 54) 5 times the cube root of 16 plus 2 times the cube root of 54. I do not know how
1. 2 answers
2. asked by Taurus
3. 1,619 views
A farmer had a fence that encloses a square plot with an area of 36 meters squared. If the garnet uses this fence to enclose a
1. 1 answer
2. asked by Deanna
3. 1,593 views
A jacket priced at $65 is on sale at %20 off the original price. The sale price is then marked down another %30 off. What is the
1. 6 answers
2. asked by Ashly
3. 1,578 views
Deriving Chem Beer's Law's EquationBy comparing the absorbance of each trial solution, Aeq, to the absorbance of the standard
1. 3 answers
2. asked by Raskin
3. 1,540 views
ADJECTIVES AND ARTICALESDIRECTIONS CIRCLE EACH ARTICAL. UNDERLINE EACH ADJECTIVE 1-PEOPLE HAVE WORN MANY DIFFERENT STYLES
1. 3 answers
2. asked by dw
3. 1,484 views
Choose the correct version of the sentence.The bird naive but curios-flew straight towards the cat.(my choice) The bird-naive
1. 3 answers
2. asked by lilman
3. 1,419 views
A biology quiz consists of twelve multiple-choice questions. Eight must be answered correctly to receive a passing grade. If
1. 1 answer
2. asked by Price
3. 1,406 views
Writeacher, I really hope you can have a look at my last examples. I need to know which are wrong.I still have a few doubts on
1. 3 answers
2. asked by Matthew
3. 1,395 views
Assuming that the temperature and quantity of a gas sample remain constant, what will be the final pressure of 1.6 L sample of
1. 1 answer
2. asked by sam
3. 1,382 views
Write a simple ATM program. Ask the user to enter their account number, and then print their beginning balance. (Just make one
1. 2 answers
2. asked by Tammie
3. 1,376 views
The conversion of water to ice is considered a physical change, whereas the conversion of iron to rust is considered a chemical
1. 2 answers
2. asked by Jess
3. 1,350 views
Find the inverse of the following function:f(x) = 3x + 12 I don't think I worked this problem off correctly...I am suppose to
1. 2 answers
2. asked by Greg
3. 1,318 views
water is poured into a cylindrical bucket with the base area of 300cm squared if 4.8 leters of water is poured into the bucket
1. 1 answer
2. asked by Kalene
3. 1,281 views
A reversible engine converts 1/6 of the heat input into work. When the temperature of the sink is reduced by 62C, the efficiency
1. 1 answer
2. asked by Tulika
3. 1,275 views
Regular gasoline (C8H18) reacts with oxygen gas to form carbon dioxide gas and water vapor.If your tanks of gasoline holds about
1. 0 answers
2. asked by Linda
3. 1,271 views
I need to find the class midpoint, boundaries and class with for the following problemTar Cigarette Filter Frequency 2-5 2 6-9 2
1. 3 answers
2. asked by ALFREDA
3. 1,271 views
4. What were Jefferson's concerns in purchasing Louisiana?Answer - Jefferson's concern in purchasing Louisiana is that he had
1. 3 answers
2. asked by Laruen
3. 1,257 views
Writeacher, I downloaded a few details about modals expressing possiblity/probabity but I'm still doubtful about their use. My
1. 1 answer
2. asked by Matthew
3. 1,254 views
12. The proportion of students who own a cell phone on college campuses across the country has increased tremendously over the
1. 2 answers
2. asked by Rodney
3. 1,241 views
Hiv/Aids describe the life style disease/behaviour and explain 5 factors that contribute to the disease
1. 46 answers
2. asked by Tebogo
3. 1,200 views
Karen put 60% of paycheck into her savings account. If Karen put $120 into her savings account, what was the amount of her
1. 1 answer
2. asked by keshia
3. 1,194 views
What property justifies this equation :565 + 263 = 263 + 565 Identity property Comunitive property of addition Associative
1. 4 answers
2. asked by Ashly
3. 1,163 views
1 + 1/4 + (1.3)/(4.8) + (1.3.5)/(4.8.12)+...... = _____
1. 11 answers
2. asked by its urgent!!!!!!!!!!
3. 1,130 views
The clarinet's lowest note is D3, 147 Hz. What is its effective length, that is, the length of an idealized closed pipe that has
1. 1 answer
2. asked by AAA
3. 1,122 views
1. Regarding management and leadership, which statement ismost accurate? A. Leaders can be good managers, and good managers can
1. 2 answers
2. asked by Sherri Mcgovern
3. 1,116 views
Evaluate the expression under the given conditions. (show work please)sin(A-B); tan A=12/5, A in quadrant 3, sinB=-3sqrt(10)/10,
1. 0 answers
2. asked by Daniel
3. 1,110 views
Are the two things that Carl Sandburg compares in the following poem how the fog comes in to the little cat feet?The fog comes
1. 2 answers
2. asked by Dakota
3. 1,088 views
A gas mixture contains 4.00 grams of O2 and 4.00 grams of He. If the total pressure of the gas sample is 4.67 atm, what is the
1. 1 answer
2. asked by Anna
3. 1,077 views
A solid uniform disk of mass 21kg and radius 85cm is at rest flat on a frictionless surface. A string is wrapped around the rim
1. 0 answers
2. asked by Artin
3. 1,068 views
For the number 385,4012, and 856 first round each number to the nearest hundred. Then add the rounded numbers
1. 6 answers
2. asked by keshia
3. 1,060 views
a violin string’s length from nut to bridge is 33 cm, and on the open string A=440 Hz is played. What is the wavelength of the
1. 1 answer
2. asked by Anonymous
3. 1,043 views
please help me by answering these questions:1)how many salivary glands are present in our body? 2)what are the names of those
1. 3 answers
2. asked by sandra
3. 1,026 views
find the balance after 15 years of a $2500 investment earning 5.5% interest compounded continuouslySomeone show me how to do
1. 2 answers
2. asked by tabby
3. 1,025 views
CH4+2O2-->CO2+2H2OHow many Liters of carbon dioxide will be produced at 24 degrees celcius and 725mm Hg from the combustion of a
1. 1 answer
2. asked by Linda
3. 1,021 views
Name two institutions organizations that are involved in supporting or giving redress to these disasters
1. 3 answers
2. asked by Leo
3. 1,021 views
If a solid cube has a density of 9kg/m3 and a volume of 27 cubic meters, what is the mass of the cube?A- 81kg B- 3kg C- 9kg D-
1. 2 answers
2. asked by James Mesch
3. 1,019 views
what is the Fe concentration in ppm of a 10.00mL of 500 ppm Fe solution which has been diluted to 100ml?
1. 1 answer
2. asked by anonymous
3. 1,012 views
(x^2+8xy+16y^2)^(1/3)*(x+4y)^(1/3)
1. 1 answer
2. asked by Chelsea:)
3. 1,004 views
Identify and describe one environmental problem that causes crises,ill health,and disasters in South Africa?
1. 2 answers
2. asked by Natalie
3. 1,002 views
Escribe pero, sino o sino que en el espacio. Escribe solamente la palabra que falta1)No veo a tu primo, ____ a tu padre. 2) Esa
1. 3 answers
2. asked by sam
3. 1,001 views
the most appropriate fabric for a pregnant women's only coat would be (a) black and ehite plaid (b) solid navy blue (c red and
1. 1 answer
2. asked by karen
3. 996 views
Which of the followingstatements is not correct about reference frames?
1. 1 answer
2. asked by pachi
3. 995 views
Shop A sold a notebook for $1200. This was 125% of the price of a similar notebook sold in Shop B. Find the price of the
1. 1 answer
2. asked by Al
3. 991 views
an ideal fluid in a pipe of diameter 14cm is moving at 6.0m/s. If the incompressible fluid density is 1.05grams/cc, what is the
1. 1 answer
2. asked by Kirk
3. 973 views
Two dice are rolled. Let the random variable X denote the number that falls uppermost on the first die and let Y denote the
1. 0 answers
2. asked by Price
3. 971 views
A sample of hydrogen gas occupies 16.8 L at STP. How many moles of the gas are present?Answer in units of mol
1. 1 answer
2. asked by luke
3. 969 views
A large increase in gas prices creates a demand for cars with good gas mileage. It takes months for car companys to make these
1. 6 answers
2. asked by Anonymous
3. 959 views
Which of following is NOT characteristics of all fish?a.gills as respiratory organs b.two-chambered heart c.swim bladder for
1. 2 answers
2. asked by Whitney
3. 953 views
The solubility of silver chromate is 500 ml of water at 25 degrees celsius is 0.0129g. Calculate its solubility product
1. 4 answers
2. asked by Anonymous
3. 953 views
You have exactly 1 L of ethyl alcohol at room temperature 23 C. You put it in a refrigerator at 4 C.What's its new volume?
1. 1 answer
2. asked by I
3. 941 views
in line 10-15 critically discuss 5 ways in which the human or environmental problem impacts on the community
1. 7 answers
2. asked by tebogo
3. 941 views
A right prism has bases that are squares. The area of one base is 81 square feet. The lateral area of the prism is 144 square
1. 2 answers
2. asked by Sam
3. 936 views
watz the value of (sin 5A)/(sin A)?
1. 1 answer
2. asked by Tulika
3. 929 views
how were the gold rushes profitable for people who were not prospectors?
1. 2 answers
2. asked by Celest
3. 926 views
identify and describe one environmental problem that causes ill health,accidents,crises,and disasters within your community or
1. 2 answers
2. asked by zodwa
3. 914 views
1. Compare and contrast American and British attitudes toward the Oregon Territory:2. Which attitude do you think would be more
1. 2 answers
2. asked by Ryan
3. 913 views
If a car delivers 76.2 hp of power, how much time will it take for the engine to do 5.78e5 J of work?
1. 1 answer
2. asked by Anonymous
3. 909 views
Robots are being used with increasing frequency on production lines to perform manotonous task. To determine whether a robot
1. 0 answers
2. asked by ct
3. 900 views
The mean of math SAT scores is 500 and the standard deviation is 100. A random sample of 64 students from Leeds H.S. received an
1. 1 answer
2. asked by lola
3. 880 views
Sasa had some 20-cent and 50-cent coins.7/8 of the coins were 20-cent coins and the rest were 50-cent coins.After Sasa had spent
1. 3 answers
2. asked by Al
3. 878 views
x=sec^-1 2I really need help with this problem. Thanks
1. 1 answer
2. asked by missy
3. 871 views
what is the argument of the book arc of justice?
1. 1 answer
2. asked by brea
3. 866 views
18. A pebble drops straight down into a tub of water, setting off ____________________ waves that travel at the boundary between
1. 3 answers
2. asked by Ms. Simpsonizer
3. 850 views
What is the pulse deficit if an apical pulse is 112 and the radial pulse is 88?
1. 2 answers
2. asked by Ally
3. 850 views
A swimming pool is a rectangular solid 15 ft wide, 40 ft long, and at most 4 ft deep. Water is being added to the pool at the
1. 1 answer
2. asked by Jasmine
3. 833 views
When an electron jumps from the 4th orbit to the 2nd orbit which series line does it get?
1. 2 answers
2. asked by its urgent!!!!!!!!!!
3. 831 views
Given that the oboe's lowest note is B flat 3 and its length approximately 64 cm, what length would you expect for the bassoon,
1. 0 answers
2. asked by AAA
3. 824 views
I still have a few doubts on the use of to/at/in after have been. Thank you for helping me.1) I haven't gone out for a walk. I
1. 2 answers
2. asked by Matthew
3. 812 views
Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and
1. 1 answer
2. asked by Fakaapo. Suetusi
3. 810 views
Find the area of the region enclosed by the given curves:4x+y^2=9, x=2y
1. 3 answers
2. asked by Michael
3. 806 views
colin is buying dirt to fill a garden bed that is a 9 foot by 16 foot rectangle. if he wants to fill it to a depth of 4 inches,
1. 1 answer
2. asked by christian
3. 796 views
Find the pH of a solution that is 0.30 M benzoic acid (HBz) and 0.25 M sodiumbenzoate(NaBz). Ka for benzoic acid = 6.5 x 10-5
1. 3 answers
2. asked by generalchem1412
3. 789 views
The tail of a giant kangaroo is attached by a giant rubber band to a stake in the ground. A flea is sitting on top of the stake
1. 2 answers
2. asked by Confused!
3. 777 views
An aluminum bar is 2m long at a temperature of 20 degrees C What will be the length of the bar at a temperature of 100 degrees C
1. 1 answer
2. asked by jack
3. 776 views
Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression
1. 0 answers
2. asked by hereyago
3. 768 views
The procedure described in this experiment was used to determine the molar mass of unknown liquid (non-electrolyte). The
1. 0 answers
2. asked by hereyago
3. 764 views
A piece of metal at 80 degrees celsius is placed in 1.2 L of water at 72 degrees celsius. The system is thermally isolated and
1. 0 answers
2. asked by William
3. 743 views
27. A communications satellite transmits a radio wave at a frequency of 5 • 109 Hz. What is the signal’s wavelength? Assume
1. 1 answer
2. asked by Ms. Simpsonizer
3. 739 views

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