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Questions Asked on September 23, 2013

Ifsin(x) = 1/3 and sec(y) = 29/21 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric
1. 1 answer
2. asked by AJ
3. 4,639 views
A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution:Mg(s) + 2 HCl(aq) → MgCl2(aq) +
1. 2 answers
2. asked by James
3. 4,552 views
A pail of water is rotated in a vertical circle ofradius r = 1.49 m. The acceleration of gravity is 9.8 m/s 2. What is the
1. 2 answers
2. asked by Sam
3. 3,193 views
Which of the following is a precipitation reaction?I. 2 Mg (s) + O2 (g) → 2 MgO (s) II. SO3 (g) + 2 H2O (l) → H3O+ (aq) +
1. 2 answers
2. asked by sos
3. 2,609 views
If an automobile had a 100%-efficient engine, transferring all of the fuel’s energy to work, would the engine be warm to your
1. 1 answer
2. asked by Miss Angie
3. 2,444 views
Dave wants to make a stone walkway. The rectangular walkway is 4 feet wide and 4 feet long. Each 2 foot by 2 foot stone covers
1. 4 answers
2. asked by abb
3. 2,373 views
How many moles of H2O are in 3.00L of water? (d=1.00g/mL)
1. 2 answers
2. asked by Cassandra
3. 2,339 views
A person initially at rest throws a ball upward at an angle θ0= 75 ∘ with an initial speed v0=15 m/s . He tries to catch up
1. 1 answer
2. asked by ss01
3. 2,115 views
a 13 ft by 27 ft rectangular swimming pool is surrounded by a walkway of uniform width. if the total area of the walkway is 384
1. 1 answer
2. asked by Anonymous
3. 2,073 views
Write an equation and show all work.The sum of three consecutive odd numbers is 111. What is the smallest of the three numbers?
1. 10 answers
2. asked by Cassidy
3. 1,818 views
a golf ball of mass 0.045kg is moving in the x-direction with a speed of 9.0 m/s, and a baseball with mass 0.145kg is moving in
1. 1 answer
2. asked by daisy jean
3. 1,635 views
were anti-federalists mainly southern states, and federalists were northern?did they compromise by federalists adding the bill
1. 1 answer
2. asked by Blaze
3. 1,560 views
A book seller purchased 117 books out of which 45 books of mathematics and 72 books of physics.Each book has same size
1. 3 answers
2. asked by help(in much need)!!!!!!!!!!!!!!!!!!!!
3. 1,472 views
A lead atom has a mass of 3.4⋅10^-22 g. How many lead atoms are in a cube of lead that has a volume of 2.07 cm^3 if the
1. 2 answers
2. asked by Antony
3. 1,355 views
what is the simple and complete predicate in this sentence: She and her classmates practice their English with each other.
1. 1 answer
2. asked by donovan
3. 1,285 views
The frequency of a centrifuge is 60 Hz and its radius is 0.15 m. What is the centripetal acceleration of an object in the
1. 1 answer
2. asked by ss01
3. 1,154 views
Louisiana is home to a variety of cultural groups. Identify four cultural groups found in the state and describe how each has
1. 1 answer
2. asked by DIANA
3. 1,081 views
In the following sentence, identify the part of speech of the italicized word.Catching fish is one of the oldest pastimes. the
1. 1 answer
2. asked by corie
3. 1,070 views
Use Henry's law to determine the molar solubility of helium at a pressure of 1.2atm and 25 ∘C.Express your answer using two
1. 2 answers
2. asked by Anonymous
3. 1,055 views
Write a program that reads the subtotal and the gratuity rate in this order, then computes the gratuity and total.For
1. 1 answer
2. asked by Anonymous
3. 1,052 views
An archer stands a horizontal distance d= 55 m away from a tree sees an apple hanging from the tree at h= 12 m above the ground.
1. 2 answers
2. asked by ss01
3. 1,040 views
Steve mcspoke left home on his bike traveling at 18km/hr. Steve's brother set out 2 hours later , following the same route,
1. 1 answer
2. asked by Kelly
3. 1,026 views
the density aniline c6h5nh2 is 1.02g/mL how many molecules are present in 1.00Lsample
1. 1 answer
2. asked by Anonymous
3. 1,020 views
1. The Eighth Amendment to the U.S. Constitution prohibits what two types of punishment?A. Harsh, typical B. Cruel, unusual C.
1. 1 answer
2. asked by Amy
3. 1,018 views
1. Suppose a and b are integers, and the absolute value of a is > than the absolute value of b. Must a be greater than b? Use
1. 2 answers
2. asked by Calla
3. 976 views
how do I write 20,000,000+ 70,000+4,000+900 in standard form
1. 3 answers
2. asked by shannon
3. 973 views
Line BD bisects angle ABC. Angle ABC= 9x. Angle ABD= 4x+13. Finds angle DBC
1. 1 answer
2. asked by Taylor
3. 942 views
What type of clause or phrase is italicized in the sentence below?The play, a three-act farce, amused everyone.
1. 2 answers
2. asked by AJ
3. 921 views
Comparing and Contrasting-In what ways are modern burial practices similar to those of the ancient Egyptians? How are they
1. 2 answers
2. asked by Anonymous
3. 910 views
Michelle needs to save $7,000 for school in the next two years. She found a bank that offers a 9% interest rate compounded
1. 1 answer
2. asked by Latoya Porter
3. 902 views
Eric is putting together alien toys called zerg and Borges for the display window in a toy store. He has a box of alien body
1. 2 answers
2. asked by Susan
3. 894 views
If you throw a ball horizontally while standing on a skateboard, you roll backward with a momentum that matches that of the
1. 0 answers
2. asked by Miss Angie
3. 881 views
The Survey of Earned Doctorates regularly assesses the numbers and types of doctorates awarded at U.S. universities.It also
1. 3 answers
2. asked by ios7
3. 860 views
In "Gumption," why does Charlie Oyster's father challenge the WPA men's decision to give Charlie a road work job instead of an
1. 2 answers
2. asked by Eionna
3. 856 views
Use context clues to define the word treacherous below.The treacherous equipment in the mills was unsafe for the workers, yet
1. 3 answers
2. asked by Anonymous
3. 848 views
A person, standing on a vertical cliff a height h above a lake, wants to jump into the lake but notices a rock just at the
1. 1 answer
2. asked by ss01
3. 832 views
Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction
1. 2 answers
2. asked by Joan
3. 823 views
A spherical balloon is being inflated. Estimate the rate at which its surface area is changing with respect to the radius when
1. 1 answer
2. asked by Lala
3. 820 views
A kitten pushes a ball of yarn rolling toward it at 1.00 cm/s with its nose, displacing the ball of yarn 17.5 cm in the opposite
1. 2 answers
2. asked by erfewr
3. 815 views
A pump fitted with 50mm bore ball bearings uses an oil whose viscosity ranges from 100cSt at cold pump start-up to 7.5Cst when
1. 1 answer
2. asked by Tony
3. 809 views
The sum of three times a first number and twice a scond number is 43. If the second number is subtracted from twice the first
1. 3 answers
2. asked by Callianna
3. 804 views
For 1 through 10, what is the area and volume of the given shape, if the length of one side of the base is 6, the height is 8,
1. 0 answers
2. asked by brittany
3. 784 views
Okk so im not asking for answers, i just need somone to expplain this homework to me! I don't get it what so ever.So the
1. 1 answer
2. asked by Leslie:)
3. 757 views
The cost of a telephone call is 75 cents plus 25 cents times the number of minutes
1. 1 answer
2. asked by Kirandeep
3. 742 views
Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction
1. 1 answer
2. asked by Joan
3. 739 views
A soccer ball is kicked from the ground with an initial speed of 18.9 m/s at an upward angle of 47.0˚. A player 54.4 m away in
1. 1 answer
2. asked by Troy
3. 732 views
A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the
1. 0 answers
2. asked by suhani
3. 730 views
When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What
1. 0 answers
2. asked by Miss Angie
3. 723 views
A small grill can hold two hamburgers at a time. If it takes 10 minutes to cook one side of a hamburger, and 5 minutes to cook
1. 2 answers
2. asked by godwin
3. 713 views
Stefany ran 2 miles each day for 14 days. How many miles did she run in 14 days? Explain two different ways to solve this
1. 3 answers
2. asked by Jared
3. 699 views
Matt Ashell, world famous downhill skier, waxed his skis with the wrong kind of wax and ended up with a relatively high
1. 2 answers
2. asked by meder
3. 697 views
I 64 men do a job in 15 days how many more men are needed to do the job in 12 dsys?
1. 1 answer
2. asked by mke
3. 693 views
What is an example of activating prior knowledge when reading a story?a. Use what you already know about a topic to help you
1. 1 answer
2. asked by Anonymous
3. 689 views
An investor is thinking about buying some shares of Computer Engines, Inc., at $60 a share. She expects the price of the stock
1. 0 answers
2. asked by robb
3. 689 views
A cylinder with a piston contains 0.3 kg of water at 100 degrees C. What is the change in internal energy of the water when it
1. 0 answers
2. asked by Chip
3. 687 views
the earth is approximately sphere of radius 6.37*10^6 meter.what is its surface area in square km? what is its volume in cubic
1. 1 answer
2. asked by anagha
3. 681 views
A cylindrical copper rod of length 1.20 m and cross-sectional area 5.60 cm^2 is insulated to prevent heat loss through its
1. 0 answers
2. asked by cm
3. 675 views
Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other.Mag
1. 0 answers
2. asked by suhani
3. 674 views
A person is a playing a game that requires throwing an object onto a ledge. The ledge is a distance d and a height d/2 above the
1. 0 answers
2. asked by ss01
3. 671 views
Susan's backyard has three faucets: A, B and C. If she turns on all three of them, it takes 380 minutes to fill the pool. If she
1. 1 answer
2. asked by Ruth
3. 668 views
Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which
1. 2 answers
2. asked by Vanessa
3. 666 views
In a fully surfaced submarine, a certain amount of air at temperature T1 is compressed into a tank of volume V at pressure p1 .
1. 1 answer
2. asked by Anon.
3. 654 views
An oxygen tank of volume V is stored in a medical laboratory. Initially, the tank is full of compressed oxygen at pressure p_{0}
1. 0 answers
2. asked by Anon.
3. 647 views
Neon-20 has a nuclear mass of 19.992439 amu. the total nuclear binding energy for Ne-20 is?(Mprotons=1.6726x10^-27 kg)
1. 1 answer
2. asked by sam
3. 645 views
A flow calorimeter is used to measure the specific heat of a liquid. Heat is added at a known rate to a stream of the liquid as
1. 0 answers
2. asked by Chip
3. 645 views
Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time
1. 1 answer
2. asked by Miss Angie
3. 641 views
After a day of testing race cars, you decide to take your own 1570 kg car onto the test track. While moving down the track at
1. 1 answer
2. asked by Anonymous
3. 623 views
Find two numbers the exact answer is between 4 x 94
1. 4 answers
2. asked by Erica
3. 623 views
does the article have an argument, call of action, claims, submitted to support each of the claims, counterargument, and the
1. 1 answer
2. asked by loli
3. 617 views
The medical practice uses 48-inch-wide shelving units, which hold 46 inches of files per shelf. There are eight shelves. This
1. 1 answer
2. asked by Wava
3. 611 views
Using the average 1/2-inch thickness, how many inches of shelf space will be required for 40,000 charts?
1. 3 answers
2. asked by Wava
3. 607 views
use ten adjectives to describe ghost towns.I got: 1-abandoned 2-ancient 3-lonely 4-broken down 5-old 6-empty 7-sad 8-quiet I
1. 3 answers
2. asked by justin
3. 604 views
The water level of a lake decreases by 6 inches over 3 years. What is the mean yearly change in the water level?
1. 1 answer
2. asked by Jamie
3. 601 views
what is a good website to describe a boom town in the west in the 1800s.a website of what they do there and what occurs during a
1. 2 answers
2. asked by justin
3. 599 views
P lease need help with the following 4,830.5 divided by 5 round to the nearest hundredth. and 68.1 divided by 13 also rounded to
1. 4 answers
2. asked by sam
3. 589 views
Write an equation and show all work.One Monday, 405 students went on a trip to the zoo. All 7 buses were filled and 6 students
1. 3 answers
2. asked by Cassidy
3. 586 views
The research department in a company that manufactures AM/FM clock radios established the following cost, and revenue functions:
1. 1 answer
2. asked by Ally
3. 586 views
After a day of testing race cars, you decide to take your own 1570 kg car onto the test track. While moving down the track at
1. 1 answer
2. asked by Anonymous
3. 584 views
Assume that the maximum aperture of the human eye, D, is approximately 8 mm and the average wavelength of visible light, λ, is
1. 0 answers
2. asked by vv
3. 584 views
A certain type of ideal gas at pressure p0 is contained in a plugged flask of volume V initially at temperature T1 . The
1. 0 answers
2. asked by Anon.
3. 583 views
Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $400 million. Since the
1. 1 answer
2. asked by Patricia
3. 577 views
Which of the following surfaces has the largest amount of static friction against your skin? Which one has the highest
1. 1 answer
2. asked by Kelsey
3. 574 views
If I put 4,736 marbles into groups of 100, how many groups would I have? Show how you figured it out.
1. 7 answers
2. asked by Camoren
3. 570 views
I am inside the path. (7,6,9,3)I am the difference of 2 numbers outside the path (7,8,5,6) What number am I?
1. 0 answers
2. asked by LV
3. 570 views
Shelby teaches 9th grade Social Studies at a small high school in the rural plains of Kansas. Most of her students are farm kids
1. 1 answer
2. asked by kim
3. 569 views
How might the overall population densities of the Latin America's landmass and population to those of the United States compare?
1. 3 answers
2. asked by Anonymous
3. 568 views
Mother Jones asked various newspaper publishers about why they didn't write about child labor in Pennsylvania. The publishers
1. 3 answers
2. asked by Anonymous
3. 565 views
At t = 0, an automobile traveling north begins to take a turn. It follows one-quarter of the arc of the circle of radius 9.8 m
1. 1 answer
2. asked by Jenn
3. 563 views
Place a small rubber ball on top of a basketball or soccer ball and then drop them together. If vertical alignment nicely
1. 0 answers
2. asked by Miss Angie
3. 562 views
Demonstrate an understanding of movement and acculturation by tracing the development of Cajun food and cultural.
1. 1 answer
2. asked by ISABELLA
3. 559 views
research 3 reliable sited websites for text information for Drive in Movie Theaterand at least 3 websites of historical
1. 6 answers
2. asked by anonymous
3. 556 views
A certain truck can slow at a maximum rate of 4.6 m/s2 in an emergency. When traveling in this truck at a constant speed of 19
1. 1 answer
2. asked by lanaaaaaa
3. 554 views
Louisiana is home to a variety of cultural groups. Identify four cultural groups found in the state and describe how each has
1. 2 answers
2. asked by ISABELLA
3. 547 views
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is
1. 0 answers
2. asked by suhani
3. 529 views
What is the simple predicate in this sentence: Renewable resources include air and water.
1. 2 answers
2. asked by Tami
3. 525 views
isosceles proofprove that angle dgf is isoceles given line eg bisects angle def edg is congruent to efg
1. 0 answers
2. asked by shonda
3. 525 views
Robin Hood would steal from the rich and give to the poor.(What tense is the sentence in, past or present?)
1. 1 answer
2. asked by rfvv
3. 521 views
Find two numbers the exact answer is between 3*567 Need help with this problem
1. 3 answers
2. asked by Green
3. 518 views
What are the disadvantages and advantages of international waters?How does the creation of international waters benefit
1. 1 answer
2. asked by Bobby Brown
3. 516 views
What is an example of the relationship between a Louisiana and cultural diffusion ?a) the demonstration of making file powder
1. 0 answers
2. asked by isabella
3. 514 views

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