Archives
2014
March

Questions Asked on March 17, 2014

a citizens group wants to determine people's opinions about a new road. The members of the group conduct a survey at the largest
1. 69 answers
2. asked by Cassie
3. 18,565 views
A pump is required to lift a mass of 750kg of water per minute from a well of depth 13.2m and eject it with a speed of 17.4m/s.A
1. 2 answers
2. asked by Garrett
3. 6,295 views
A convex spherical mirror has a focal length of -20 cm. An object is placed 30 cm in front of the mirror on the mirror's axis.
1. 1 answer
2. asked by shirly
3. 4,998 views
Which literary writing style uses humor to comment on serious subject matter?Answers are Satire Essay Tragedy Allegory Thanks
1. 1 answer
2. asked by snow
3. 3,956 views
Pam served her apple pie on a 13 inch diameter dish. She wanted to tie a ribbon around the dish to make it a little more
1. 6 answers
2. asked by Jose
3. 3,749 views
A potter's wheel is rotating around a vertical axis through its center at a frequency of 1.8rev/s . The wheel can be considered
1. 2 answers
2. asked by Joe
3. 3,619 views
The Henry's law constant for CO2 at 20°C is 3.7*10^-2 M/atm. What mass of CO2 (in grams) is present in 355 mL of soda drink if
1. 3 answers
2. asked by Ellen
3. 3,289 views
Explain how to calculate 1/4 divided by 1/8 using reciprocal fractions
1. 4 answers
2. asked by Mari
3. 2,910 views
A linear spring of stiffness k is designed to stop the 20-Mg railroad car traveling at 8 km/h within 400mm after impact. Find
1. 1 answer
2. asked by Ivan
3. 2,731 views
At the point of fission, a nucleus of 235U that has 92 protons is divided into two smaller spheres, each of which has 46 protons
1. 2 answers
2. asked by bro
3. 2,655 views
I have discovered a new chemical compound with the formula A2B. If a saturated solution of A2B has a concentration of
1. 1 answer
2. asked by Serena
3. 2,583 views
A rectangle is 7 feet longer than it is wide. If its area is 120 square feet, find its length and width. Represent this
1. 2 answers
2. asked by amy
3. 2,343 views
Suppose you pluck a string on a guitar and it produces the note A at a frequency of 440 Hz. Now, you press your finger down on
1. 3 answers
2. asked by Erin
3. 2,336 views
Green light has a frequency of about 5.3Hz�~10Green light has a frequency of about 5.3Hz�~ 10^{14}.Using the relationship
1. 2 answers
2. asked by ashley
3. 2,190 views
How many square inches of crust would it take to cover the bottom of a pie dish with a 15 diameter?
1. 10 answers
2. asked by Jose
3. 2,124 views
The magnitude of the magnetic field produced by a long straight current-carrying wire is:proportional to both the current in the
1. 1 answer
2. asked by lilly
3. 2,113 views
Becca wants to make a giant cherry pie to try to break the world record. If she succeeds in making a pie with a 20 foot
1. 7 answers
2. asked by Jose
3. 2,096 views
Explain why 0.4 divided by 0.2 has the same answer as 4 divided by 2.(Hint: Convert the decimals into fractions with a
1. 1 answer
2. asked by Mari
3. 2,034 views
To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate (KHP). It is a monoprotic
1. 1 answer
2. asked by Anonymous!
3. 2,021 views
The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents a
1. 2 answers
2. asked by Kyla
3. 1,883 views
Some animals, but not humans, have an organ called a gizzard located near the top of their digestive tract. This organ is small
1. 4 answers
2. asked by Anonymous
3. 1,842 views
The man slides the 100-kg crate across force of 200 N. If the crate was initially at rest, how far will the crate move beforeits
1. 1 answer
2. asked by Ivan
3. 1,836 views
What is the ratio of the speed of sound in air at 0°C to the speed at 100°C?
1. 1 answer
2. asked by shirly
3. 1,650 views
What is the percent KCL by mass in a 3.00 molal solution?
1. 1 answer
2. asked by Ann
3. 1,642 views
a machine has 0.04 probability of producing a defective item. If it produces 6 items find:a. probability none is defective b. at
1. 2 answers
2. asked by tiffany
3. 1,610 views
If the width and height of a rectangular prism are each shrunk to one seventh of the original size but the length remains the
1. 3 answers
2. asked by khun
3. 1,592 views
A sample of gas has its number of molecules halved, its Kelvin temperature doubled, and its volume halved. What is the new
1. 1 answer
2. asked by jasmine
3. 1,590 views
the frequency of wave A is 250 hertz and the wavelength is 30 cm. the frequency of wave B is 260 hertz and the wavelength is 25
1. 2 answers
2. asked by sara
3. 1,565 views
A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an
1. 1 answer
2. asked by Garrett
3. 1,534 views
1.why must omar and his brothers work in the mines?A.they cannot attend school B.their mother cannot support them C.they have no
1. 23 answers
2. asked by dalia
3. 1,522 views
A 540 g block is released from rest at height h0 above a vertical spring with spring constant k = 320 N/m and negligible mass.
1. 2 answers
2. asked by Fiona
3. 1,512 views
What does VCCV and VCV mean in 4th grade words?
1. 6 answers
2. asked by Melissa
3. 1,497 views
An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle?
1. 4 answers
2. asked by abigail
3. 1,487 views
8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution
1. 1 answer
2. asked by Nicholas
3. 1,474 views
An ice tray with 175 g of water at 30°C is placed in a freezer at –9°C. How much energy must be removed fromthe water to
1. 2 answers
2. asked by jasmine
3. 1,466 views
What does the balded word mean?The PORTENTOUS actor stood up to receive the award, even though his name hadn't yet been called.
1. 2 answers
2. asked by Cassie
3. 1,461 views
A standard pack of 52 cards consists of 4 suits, hearts, diamonds, clubs and spades. Each suit has 13 cards, from Ace to King.
1. 1 answer
2. asked by Please Help
3. 1,432 views
Mike drank more than half the juice in his glass. What fraction of the juice could Mike have drunk?
1. 9 answers
2. asked by Kianie
3. 1,410 views
Dissolving solid CaCl2 H2O in a large volume of water is endothermic to the extent of 14.6 kj/mol. Also given:
1. 1 answer
2. asked by Ann
3. 1,388 views
1. Suppose you want to buy concrete for a 36ft by 24 ft by 9 in. patio. If concrete costs $55/yd^3, how much will the concrete
1. 2 answers
2. asked by Gavin
3. 1,313 views
Mike drank more than half the juice in his glass. What fraction of the juice could Mike have drunk?
1. 8 answers
2. asked by Kianie
3. 1,310 views
A taxi company charges $2.40 for the first mile and $1.20 per mile for each additional mile. How much would the bill be for a 15
1. 2 answers
2. asked by mark ingram
3. 1,300 views
Upon decomposition, one sample of magnesium fluoride produced 1.95 kg of magnesium and 3.05 kg of fluorine. A second sample
1. 2 answers
2. asked by elijah mann
3. 1,292 views
Need to confirm if the verbs in the sentences are physical or mental actions:1. However he won only 2 medals --Physical 2. Spitz
1. 1 answer
2. asked by cee
3. 1,287 views
The literary device of foreshadowing is used in which of the following excerpts ?Answers are They're spoiled and we're spoiled
1. 1 answer
2. asked by snow
3. 1,266 views
In a predator/prey model the predator population is modeled by the function y=1000 sin (2t) +400. What is the smallest
1. 2 answers
2. asked by Jenny
3. 1,259 views
Bubble wrap sells in sheets, and each sheet has 1 million individual spherical bubbles, each with a diameter of 0.01 m. What is
1. 2 answers
2. asked by Destiny
3. 1,226 views
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood
1. 0 answers
2. asked by helen
3. 1,206 views
1.A2.C 3.A 6.D 9.B 1. why do most people live in the western part of colombia? A. to enjoy the cooler climate of the mountains
1. 5 answers
2. asked by Kayla
3. 1,117 views
The base of a solid is the region in the first quadrant bounded by the ellipse x^2/a^2 + y^2/b^2 = 1. Each cross-section
1. 6 answers
2. asked by Anon
3. 1,028 views
A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an
1. 3 answers
2. asked by Garrett
3. 1,022 views
When you round 94,872 to the nearest ten thousand = 90,000, then round to the nearest thousand = 95,000. What do you notice
1. 2 answers
2. asked by gabe
3. 1,012 views
please somebody explain the product of 6, and the sum of 4 and 5?I have to show if 6x4+5 is the right answer.
1. 4 answers
2. asked by melissa
3. 991 views
For Questions 1–6, read the play excerpt below and answer the questions that follow.Jaws of the Water ACT TWO At rise we see
1. 6 answers
2. asked by josh
3. 990 views
At a particular instant, two asteroids in inter-stellar space are a distancer = 20 km apart. Asteroid 2 has 10 times the mass of
1. 1 answer
2. asked by Mel
3. 987 views
Daniel has a piece of wire that is a fifth of a yard long. He cuts the wire into three equal pieces. What fraction of a yard is
1. 3 answers
2. asked by Alexis
3. 983 views
Gold can be recovered from sea water by re- acting the water with zinc, which is refined from zinc oxide.2 ZnO(s) + C(s) −→
1. 1 answer
2. asked by Renee
3. 963 views
An isoscelless triangle of sides of 13cm, 13cm, 10cm is inscribed in a circle is inscribed in a circle. What is the radius of
1. 2 answers
2. asked by abigail
3. 926 views
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We
1. 2 answers
2. asked by wanda
3. 903 views
The height h in feet reached by a golf ball after t seconds is given by h(t)=-16t squared+120t, After how many seconds does the
1. 1 answer
2. asked by amy
3. 897 views
Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following
1. 1 answer
2. asked by Layla
3. 888 views
Determine the minimum sample size required in order to be 95% confident that our estimate is within 4% of the true percent of
1. 1 answer
2. asked by mary
3. 886 views
Can someone show me how to solve these questions.A plane is is flying 240 mph heading N60°E. The wind is blowing S30°E at 30
1. 2 answers
2. asked by Crewniverse
3. 885 views
Forest ranger measure depth of 82 inches of snow on a mountain peak at 8am. Snow is expected to fall at a steady rate of 3/4
1. 1 answer
2. asked by stephen
3. 880 views
The Law of Large Numbers explains why it is unlikely that the actuarially fair premium for an insurance policy will be the same
1. 1 answer
2. asked by Dolly
3. 860 views
You invest $20,000 in two accounts. Account A earned 4.5% annual simple interest and Account B earned 6% annual simple interest.
1. 1 answer
2. asked by Josh
3. 859 views
A voltaic cell is constructed that uses the following reaction and operates at 298 K: 2 Al(s) + 3 Mn^2+(aq) 2 Al^3+(aq) + 3
1. 1 answer
2. asked by Nancy
3. 854 views
On a winter day the temperature drops from –5°C to –15°C overnight. If a pan sitting outside contains 0.49 kg ofice, how
1. 1 answer
2. asked by jasmine
3. 852 views
6.C6.How did European rule in South America change the people of the continent? A. European missionaries introduced religion. B.
1. 2 answers
2. asked by Kayla
3. 850 views
It's sometimes permissible to eat _____ with your fingers.A.fried clams B.soft boiled eggs C.hot dogs D.asparagus
1. 1 answer
2. asked by val
3. 844 views
Please, I need your help!How much water must be evaporated from 16oz of a 2% salt solution to make a 4% salt solution?
1. 3 answers
2. asked by Cassandra
3. 843 views
An architect was designing a rectangular room with a lenghth of 16ft,a width of 14ft,and a height of 10ft.what is the volume of
1. 1 answer
2. asked by melissa
3. 817 views
Need to confirm if the verbs in the sentences are physical or mental actions:1. Other Americans in the Olympics challenged their
1. 1 answer
2. asked by cee
3. 812 views
The rectangle shape in a set of blocks comes in two sizes(small and large), three colors (yellow, red, and blue), and have two
1. 1 answer
2. asked by Matt
3. 810 views
A laboratory instructor gives you a test tube containing Ag+ ,Ba 2+ , and Cu 2+ ions. Devise a reaction scheme that would allow
1. 2 answers
2. asked by steven
3. 787 views
A private plane traveled from Seattle to a rugged wilderness at an average speed of 180 mph. The return trip speed s 225 mph. If
1. 2 answers
2. asked by Trying to make it in life
3. 786 views
A clinical trial test a method designed to increase probability of conceiving a girl.In study 375 were born and 300 were girls
1. 1 answer
2. asked by Martha
3. 782 views
a company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function
1. 3 answers
2. asked by amy
3. 763 views
Find all angles, 0≤A<360, that satisfy the equation below, to the nearest 10th of a degree.2tanA+6=tanA+3
1. 1 answer
2. asked by Anonymous
3. 756 views
Which statement describes the quadratic equation 6x^2-4x+1=0,correctly?A. it is one completed real root? B. It is two complete
1. 3 answers
2. asked by Cassandra
3. 756 views
How do I find a rectangular-coordinate equation for the curve by elimination the parameter? x=2 sin t, y= 4 cos tso far I have
1. 2 answers
2. asked by Jenny
3. 741 views
Question 1 corresponds to "Fireproofing the Forests." Question 3 corresponds to "Birdfoot's Grampa."1. Which of these is NOT a
1. 10 answers
2. asked by sonamy4eva
3. 728 views
How many days do students go to school in France? On which days do they not go to school?
1. 2 answers
2. asked by rfvv
3. 724 views
The second law of thermodynamics forbids a heat engine to have thermal efficiency of what?
1. 1 answer
2. asked by jasmine
3. 706 views
Dissolving solid CaCl2 H2O in a large volume of water is endothermic to the extent of 14.6 kj/mol. Also given:
1. 0 answers
2. asked by Ann
3. 689 views
1. Which words clue the reader about the compare-and-contrast organization in the opening paragraph of "The Next Big Thing"? (1
1. 4 answers
2. asked by sonamy4eva
3. 686 views
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood
1. 0 answers
2. asked by Helen
3. 684 views
I need help on a few questions.. Full sentences would be nice.1. When was Rupert's Land given to Prince Rupert? 2.What areas of
1. 1 answer
2. asked by Mari
3. 684 views
Neglecting the pressure drop due to resistance, calculate the blood pressure in mmHg in an artery in the brain 32 cm above the
1. 0 answers
2. asked by Paul
3. 682 views
The entropy of an isolated system always do what when natural processes occur?
1. 3 answers
2. asked by jasmine
3. 673 views
determine the equation of a circle that has its center a (0,0) and passes through each point.a)(6,-3)
1. 1 answer
2. asked by johnson
3. 660 views
which of the following compound contain more than 10 atoms per formula: a)ammonium phosphate, b) aluminium carbonate,
1. 1 answer
2. asked by anna
3. 653 views
Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following
1. 0 answers
2. asked by Layla
3. 650 views
If 0.75 g of a gas dissolves in 1.0 L of water at 20.0 kPa of pressure, how much will dissolve at 105.4 kPa of pressure?
1. 1 answer
2. asked by Anonymous
3. 650 views
Ms. Sue, these are the only 3 possible choices.What does the balded word mean? The PORTENTOUS actor stood up to receive the
1. 2 answers
2. asked by Cassie
3. 649 views
a aqueous solution of hydrochloric acid has concentration of 37. wt % convert in concentration value to molar concentration if
1. 1 answer
2. asked by dahat
3. 645 views
A single person could expect to pay $4,760 in income taxes on an adjusted gross income of $34,000 how much more tax should the
1. 2 answers
2. asked by In need of help
3. 643 views
For my anatomy class, I need a to make a human bone such as a femur or any other bones in the human body. Any suggestions on a
1. 1 answer
2. asked by Vicky
3. 642 views
The barrel of an ink pen cylinders in shape is 7cm long and 5mm in diameter.A child filled up the ink in this pen from 1 line
1. 2 answers
2. asked by bikram
3. 641 views
Need help on the problem below with 4 coordinate points."compute the round trip distance from your house (-2,5), then to your
1. 1 answer
2. asked by Brandi
3. 633 views

Back to March 2014

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025