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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
69 answers
asked by
Cassie
18,581 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
2 answers
asked by
Garrett
6,313 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 answer
asked by
shirly
5,018 views
Which literary writing style uses humor to comment on serious subject matter?
Answers are Satire Essay Tragedy Allegory Thanks
1 answer
asked by
snow
3,965 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
6 answers
asked by
Jose
3,762 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
2 answers
asked by
Joe
3,631 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
3 answers
asked by
Ellen
3,304 views
Explain how to calculate 1/4 divided by 1/8 using reciprocal fractions
4 answers
asked by
Mari
2,923 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 answer
asked by
Ivan
2,739 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
2 answers
asked by
bro
2,666 views
I have discovered a new chemical compound with the formula A2B. If a saturated solution of A2B has a concentration of
1 answer
asked by
Serena
2,605 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
3 answers
asked by
Erin
2,358 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
2 answers
asked by
amy
2,356 views
Green light has a frequency of about 5.3Hz�~10Green light has a frequency of about 5.3Hz�~ 10^{14}.
Using the relationship
2 answers
asked by
ashley
2,210 views
How many square inches of crust would it take to cover the bottom of a pie dish with a 15 diameter?
10 answers
asked by
Jose
2,136 views
The magnitude of the magnetic field produced by a long straight current-carrying wire is:
proportional to both the current in the
1 answer
asked by
lilly
2,128 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
7 answers
asked by
Jose
2,112 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 answer
asked by
Mari
2,048 views
To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate (KHP). It is a monoprotic
1 answer
asked by
Anonymous!
2,031 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
2 answers
asked by
Kyla
1,894 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 before
its
1 answer
asked by
Ivan
1,855 views
Some animals, but not humans, have an organ called a gizzard located near the top of their digestive tract. This organ is small
4 answers
asked by
Anonymous
1,851 views
What is the ratio of the speed of sound in air at 0°C to the speed at 100°C?
1 answer
asked by
shirly
1,658 views
What is the percent KCL by mass in a 3.00 molal solution?
1 answer
asked by
Ann
1,646 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
2 answers
asked by
tiffany
1,623 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
3 answers
asked by
khun
1,598 views
A sample of gas has its number of molecules halved, its Kelvin temperature doubled, and its volume halved. What is the new
1 answer
asked by
jasmine
1,597 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
2 answers
asked by
sara
1,571 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 answer
asked by
Garrett
1,546 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
23 answers
asked by
dalia
1,535 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.
2 answers
asked by
Fiona
1,527 views
An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle?
4 answers
asked by
abigail
1,501 views
What does VCCV and VCV mean in 4th grade words?
6 answers
asked by
Melissa
1,500 views
8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution
1 answer
asked by
Nicholas
1,484 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 from
the water to
2 answers
asked by
jasmine
1,476 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.
2 answers
asked by
Cassie
1,466 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 answer
asked by
Please Help
1,443 views
Mike drank more than half the juice in his glass. What fraction of the juice could Mike have drunk?
9 answers
asked by
Kianie
1,421 views
Dissolving solid CaCl2 H2O in a large volume of water is endothermic to the extent of 14.6 kj/mol. Also given:
1 answer
asked by
Ann
1,400 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
2 answers
asked by
Gavin
1,328 views
Mike drank more than half the juice in his glass. What fraction of the juice could Mike have drunk?
8 answers
asked by
Kianie
1,324 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
2 answers
asked by
mark ingram
1,319 views
Upon decomposition, one sample of magnesium fluoride produced 1.95 kg of magnesium and 3.05 kg of fluorine. A second sample
2 answers
asked by
elijah mann
1,302 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 answer
asked by
cee
1,300 views
The literary device of foreshadowing is used in which of the following excerpts ?
Answers are They're spoiled and we're spoiled
1 answer
asked by
snow
1,277 views
In a predator/prey model the predator population is modeled by the function y=1000 sin (2t) +400. What is the smallest
2 answers
asked by
Jenny
1,267 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
2 answers
asked by
Destiny
1,238 views
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood
0 answers
asked by
helen
1,219 views
1.A
2.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
5 answers
asked by
Kayla
1,132 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
6 answers
asked by
Anon
1,036 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
3 answers
asked by
Garrett
1,031 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
2 answers
asked by
gabe
1,025 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
6 answers
asked by
josh
1,000 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.
4 answers
asked by
melissa
997 views
At a particular instant, two asteroids in inter-stellar space are a distance
r = 20 km apart. Asteroid 2 has 10 times the mass of
1 answer
asked by
Mel
996 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
3 answers
asked by
Alexis
989 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 answer
asked by
Renee
973 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
2 answers
asked by
abigail
945 views
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We
2 answers
asked by
wanda
911 views
Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following
1 answer
asked by
Layla
900 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 answer
asked by
amy
900 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 answer
asked by
mary
896 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 answer
asked by
stephen
894 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
2 answers
asked by
Crewniverse
892 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 answer
asked by
Josh
878 views
On a winter day the temperature drops from –5°C to –15°C overnight. If a pan sitting outside contains 0.49 kg of
ice, how
1 answer
asked by
jasmine
869 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 answer
asked by
Dolly
866 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 answer
asked by
Nancy
863 views
6.C
6.How did European rule in South America change the people of the continent? A. European missionaries introduced religion. B.
2 answers
asked by
Kayla
861 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?
3 answers
asked by
Cassandra
853 views
It's sometimes permissible to eat _____ with your fingers.
A.fried clams B.soft boiled eggs C.hot dogs D.asparagus
1 answer
asked by
val
850 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 answer
asked by
melissa
831 views
Need to confirm if the verbs in the sentences are physical or mental actions:
1. Other Americans in the Olympics challenged their
1 answer
asked by
cee
825 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 answer
asked by
Matt
824 views
A laboratory instructor gives you a test tube containing Ag+ ,Ba 2+ , and Cu 2+ ions. Devise a reaction scheme that would allow
2 answers
asked by
steven
799 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
2 answers
asked by
Trying to make it in life
796 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 answer
asked by
Martha
795 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
3 answers
asked by
amy
777 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
3 answers
asked by
Cassandra
768 views
Find all angles, 0≤A<360, that satisfy the equation below, to the nearest 10th of a degree.
2tanA+6=tanA+3
1 answer
asked by
Anonymous
765 views
How do I find a rectangular-coordinate equation for the curve by elimination the parameter? x=2 sin t, y= 4 cos t
so far I have
2 answers
asked by
Jenny
749 views
Question 1 corresponds to "Fireproofing the Forests." Question 3 corresponds to "Birdfoot's Grampa."
1. Which of these is NOT a
10 answers
asked by
sonamy4eva
735 views
How many days do students go to school in France? On which days do they not go to school?
2 answers
asked by
rfvv
730 views
The second law of thermodynamics forbids a heat engine to have thermal efficiency of what?
1 answer
asked by
jasmine
713 views
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood
0 answers
asked by
Helen
702 views
Dissolving solid CaCl2 H2O in a large volume of water is endothermic to the extent of 14.6 kj/mol. Also given:
0 answers
asked by
Ann
699 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 answer
asked by
Mari
696 views
Neglecting the pressure drop due to resistance, calculate the blood pressure in mmHg in an artery in the brain 32 cm above the
0 answers
asked by
Paul
694 views
1. Which words clue the reader about the compare-and-contrast organization in the opening paragraph of "The Next Big Thing"? (1
4 answers
asked by
sonamy4eva
691 views
The entropy of an isolated system always do what when natural processes occur?
3 answers
asked by
jasmine
680 views
determine the equation of a circle that has its center a (0,0) and passes through each point.
a)(6,-3)
1 answer
asked by
johnson
675 views
which of the following compound contain more than 10 atoms per formula: a)ammonium phosphate, b) aluminium carbonate,
1 answer
asked by
anna
661 views
Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following
0 answers
asked by
Layla
659 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
2 answers
asked by
In need of help
655 views
a aqueous solution of hydrochloric acid has concentration of 37. wt % convert in concentration value to molar concentration if
1 answer
asked by
dahat
655 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 answer
asked by
Anonymous
653 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 answer
asked by
Vicky
651 views
Ms. Sue, these are the only 3 possible choices.
What does the balded word mean? The PORTENTOUS actor stood up to receive the
2 answers
asked by
Cassie
651 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
2 answers
asked by
bikram
648 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 answer
asked by
Brandi
644 views
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