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2011
May

Questions Asked on May 15, 2011

1. Let (-7, 4) be a point on the terminal side of (theta). Find the exact values of sin(theta), csc(theta), and cot(theta).2.
1. 30 answers
2. asked by Kandee Johnson
3. 17,919 views
A pile of 108 identical books has a mass of 30 kg.Find (a)the mass of 150 books and (b)the number of books that has a mass of 20
1. 19 answers
2. asked by Julie Charmster
3. 14,351 views
An accounting report that shows the changes in capital during the accounting period is:a.) a balance sheet. b.) an income
1. 2 answers
2. asked by ashh
3. 5,916 views
the density of an unknown metal is 2.64 g/cm^3 and its atomic radius is 0.215 nm. It has a face-centered cubic lattice. What is
1. 1 answer
2. asked by ChemGeek
3. 5,469 views
Ann deposited $4000 into an account with 5.2 interest, compounded quarterly. Assuming that no withdrawals are made, how much
1. 2 answers
2. asked by Anonymous
3. 4,609 views
Four positive charges are fixed at the corners of a square, as shown above. Three of the charges have magnitude Q, and the
1. 3 answers
2. asked by christina
3. 4,012 views
A rock is thrown straight up, reaches a maximum height, which of the following describes the motion at the maximum height?
1. 2 answers
2. asked by Jerry Macfadden
3. 2,929 views
14. Which of the following is part of the strategy of modifying behavior?A. Analyze the behavior that needs changing. B. Inform
1. 4 answers
2. asked by beth
3. 2,790 views
Find all solutions of the equation in the interval [0,2pi).sqrt(3)cottheta-1= 0 Write your answer in radians in terms of pi. If
1. 2 answers
2. asked by Rachal
3. 2,283 views
how do you figure out the length, width and height of a box with a volume of 570 cm3 and a surface area of 478 cm2.
1. 4 answers
2. asked by Paige
3. 2,223 views
Do more than 50% of US adults get enough sleep? According to the Gallup organization's December 2004 Lifestyle Poll, 55% of US
1. 1 answer
2. asked by Ana
3. 2,000 views
Rewrite cos(tan^-1(v)) as an algebraic expression in v.Can someone help me with this problem? Thanks
1. 4 answers
2. asked by Jennifer
3. 1,971 views
Im just a little confused on how to answer this question.A ball bounced 64% of the height from which it was dropped. The bounce
1. 3 answers
2. asked by Erika
3. 1,929 views
Which value of r represents data with a strong negative linear correlation between two variables?1) -1.07 2) -0.89 3) -0.14 4)
1. 2 answers
2. asked by Alz
3. 1,859 views
Q.250 cm3(cube) of the liquid weighs 125 grams. find the weight of 1000 cm3(cube) of the liquid.Q.The cost of a long distance
1. 1 answer
2. asked by Bella stoner
3. 1,745 views
14. Which of the following is part of the strategy of modifying behavior?A. Analyze the behavior that needs changing. B. Inform
1. 2 answers
2. asked by beth
3. 1,631 views
Isabella drops a chunk of iron of mass m from the roof of her high school and it accelerates at g. Then she ties two chunks of
1. 2 answers
2. asked by Catherine
3. 1,626 views
How many grams of CaCl2 (molar mass = 111.0 g/mol) are needed to prepare 4.44 L of 0.500 M CaCl2 solution?
1. 1 answer
2. asked by jann
3. 1,624 views
When 1 mol of gaseous hydrogen chloride is dissolved in enough water to make 1 L of solution, approximately how many HCl
1. 2 answers
2. asked by Joe Schmo
3. 1,496 views
I need a poem that contains at least six of the poetic devices listed below:simile metaphor personification onomatopoeia
1. 6 answers
2. asked by Shelley
3. 1,484 views
Evaluate sin(29 degrees)cos(31 degrees) + cos(29 degrees)sin(31 degrees) exactly, without using a calculator.
1. 3 answers
2. asked by Victoria
3. 1,479 views
Suppose a salt and a glucose solution are separated by a membrane that is permeable to water but not to the solutes. The NaCl
1. 1 answer
2. asked by ivy
3. 1,450 views
a 1 ohm resistor, a 1000 resistor and a 2000 ohm resistor are connected in parallel. The total resistance is
1. 1 answer
2. asked by Susmitha
3. 1,398 views
Do more than 50% of US adults get enough sleep? According to the Gallup organization's December 2004 Lifestyle Poll, 55% of US
1. 0 answers
2. asked by Ana
3. 1,363 views
What is the heat in Joules required to raise the temperature of 100g H20 from 288K to 308K?
1. 2 answers
2. asked by Sue
3. 1,312 views
A 108g piece of unknown metal is heated to 100 degrees C in boiling water. The heated sample of metal is then dropped into 50ml
1. 1 answer
2. asked by Lesley
3. 1,250 views
What freedoms of Napoleon's Day were the French people willing to sacrifice
1. 0 answers
2. asked by Hope
3. 1,198 views
Find all solutions of the equation in the interval [0,2pi) .cos(theta)=0.7125 If there is more than one solution, separate them
1. 1 answer
2. asked by Rachal
3. 1,184 views
A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude
1. 2 answers
2. asked by Sandhya
3. 1,177 views
In a 30 degree-60 degree right triangle, the opposite the 60 degree angle is 15.7 inches. Find the length of the hypotenuse.
1. 2 answers
2. asked by briana
3. 1,150 views
For the following reaction, 21.7 grams of diphosphorus pentoxide are allowed to react with with 13.1 grams of water.What is the
1. 1 answer
2. asked by moose
3. 1,129 views
The following data lists the average monthly snowfall for January in 15 cities around the US:37 33 35 27 9 45 22 8 42 48 37 39 9
1. 1 answer
2. asked by kate
3. 1,117 views
What is the heat required in Joules to raise the temperature of 100.0g ice at-20 degrees C to steam at 120 degrees C?
1. 1 answer
2. asked by Sue
3. 1,107 views
If motivation consists only of drive-reduction, what is the perfect state of a human being?
1. 1 answer
2. asked by char
3. 1,097 views
What must be the radius of a 4 kg circular disk if it is to have the same moment of inertia as a 1 kg rod 1 M long and pivoted
1. 0 answers
2. asked by Eric
3. 1,036 views
Suppose that the governmental authorities wished to decrease use of a pesticide that is leaching into groundwater supplies in a
1. 3 answers
2. asked by Anonymous
3. 1,035 views
What two major factors determine the size of a star?Is it a) Gravity and Mass OR b) The force of gravity pulling in trying to
1. 0 answers
2. asked by Catherine
3. 1,027 views
Give a recursive definition of the function ones(s) which counts the number of ones in a bit string s.
1. 1 answer
2. asked by Nikolay
3. 1,025 views
H2PO4-(aq)+OH-(aq) -> HPO42-(aq)+H2OExperiment/[H2PO4-](M)/[OH-](M)/ Initial Rate(mol/L·min) 1 0.0031 0.00041 0.0021 2 0.0031
1. 1 answer
2. asked by Kat
3. 1,021 views
A reservation clerk worked 12.6 hours one day. She spent twice as much time entering new reservations as she did verifying old
1. 1 answer
2. asked by Colby
3. 1,018 views
A projectile is launched beneath the straight line path it would follow if there was no gravity. How many metres does it fall
1. 1 answer
2. asked by Zoe
3. 1,006 views
An object is dropped from a height of 49 meters. The object takes 3.2s to hit the ground. The final velocity of the object when
1. 1 answer
2. asked by EJ
3. 987 views
A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in
1. 1 answer
2. asked by Jessie
3. 977 views
The velocity of an object is +47 meters per second at 3.0 seconds and is +65 meters per second at 12.0 seconds. The average
1. 1 answer
2. asked by EJ
3. 961 views
Four charges are placed at the four corners of a square of side 15 cm. The charges on the upper left and right corners are +3
1. 2 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 961 views
In a right triangular prism, the legs of the base are each doubled, and the height is reduced by half. How does the new volume
1. 1 answer
2. asked by Mary
3. 956 views
I need a poem that contains at least six of the poetic devices listed below:simile metaphor personification onomatopoeia
1. 4 answers
2. asked by Shelley
3. 950 views
Would you expect the muscle fibers of the tongue to be striated or smooth? What about the muscle of the diaphragm? Explain your
1. 1 answer
2. asked by ivy
3. 948 views
answer in simplest radical form. sin 90 degrees
1. 1 answer
2. asked by jay
3. 945 views
A copper ball has a mass of 1kg.Calculate the radius of the ball,given that the density of copper is 8900kg m-3
1. 1 answer
2. asked by qay
3. 941 views
How do I prove these trig identities?secx-cosx/tanx =sinx And 1+sinx/cosx+ cox/ 1+sinx=2secx
1. 1 answer
2. asked by Jill
3. 935 views
The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2.Use a graphing calculator to find all the points where
1. 1 answer
2. asked by Rachal
3. 917 views
If the cost of a cell phone has decrease 400% during the past 10 years, does that correspond to a cost decrease of 4 times
1. 1 answer
2. asked by lorraine
3. 897 views
Before the invention of refrigerators, pioneers preserved meat by salting it. Explain how meat can be preserved by this
1. 0 answers
2. asked by ivy
3. 894 views
In a rectangular prism, the length and width are multiplied by 4. What is the relationship of the volume of the resulting
1. 1 answer
2. asked by Mary
3. 892 views
How is that Buddhism declined after the Muslim invasions while Hinduism survived?
1. 0 answers
2. asked by Samantha
3. 882 views
what is the square root of 12x^3y^2
1. 2 answers
2. asked by Julie
3. 860 views
to what extent should a government be involved in its citizens lives
1. 1 answer
2. asked by michael
3. 826 views
Which sociological perspective holds the view that people create their social worlds through interaction and manipulation of
1. 0 answers
2. asked by angie
3. 821 views
A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude
1. 0 answers
2. asked by Sandhya
3. 784 views
the adjacent angles of a parallelogram are (3x-12) and52+2x). find the angles of the parallelogram?
1. 2 answers
2. asked by shyam arora
3. 766 views
write sentence using each of the following 1) Affliction: means: effect2) Pudder: means : turmoil 3) Scanted.means: negleacted.
1. 1 answer
2. asked by reem
3. 763 views
For the following reaction, 31.1 grams of diphosphorus pentoxide are allowed to react with with 10.2 grams of water.diphosphorus
1. 1 answer
2. asked by moose
3. 759 views
How do organs get the nutrients from blood?
1. 0 answers
2. asked by tony
3. 745 views
For the following reaction, 77.9 grams of barium chloride are allowed to react with with 68.8 grams of potassium sulfate.What is
1. 1 answer
2. asked by moose
3. 742 views
If the length and width of a rectangle are each multiplied by 3, how would the new area of the rectangle compare with the
1. 2 answers
2. asked by Mary
3. 740 views
the particles in a nucleus are held together primarily by the ?
1. 1 answer
2. asked by linda
3. 739 views
a toy train P of mass 3kg,is connected by a string to a wagon Q of mass 2kg.Thulu fastens a cable to P and pulls it with a force
1. 0 answers
2. asked by zanele
3. 738 views
i am two numbers,the sum of my numbers is 1000, the diffrence between my two numbers is 100
1. 1 answer
2. asked by mohammed
3. 736 views
I urgently need you to check these sentences, please. Thank you. I need to know if the passive forms are correct and possible.1)
1. 1 answer
2. asked by Henry1
3. 734 views
Can you check these sentences I wrote on Robinson Crusoe? Thank you very much.1) When Crusoe woke up, he found the weather clear
1. 2 answers
2. asked by Henry1
3. 733 views
Which relation is not a function?1)(x-2)^2+y^2=4 2) x^2+4y+y=4 3) x+y=4 4) xy=4 So, I could eliminate some answers. My answer is
1. 4 answers
2. asked by Alz
3. 726 views
convert the numeral to a numeral in base 1043 5
1. 2 answers
2. asked by Renee
3. 724 views
Hello.Please help me with a few questions. 1)Is it possible to use "authority" in the context "he was removed from authority"
1. 1 answer
2. asked by Ilma
3. 722 views
Why were the imperialists interested in Jamaica in the 19th or early 20th centuries? Which imperialist country exerted the
1. 1 answer
2. asked by Jalisa
3. 696 views
Suppose you were to grind up and homogenate a pancreas. Do you think it would be possible to isolate insulin from this
1. 0 answers
2. asked by ivy
3. 693 views
An element has ccp packing with face-centered cubic unit cell. Its density is 3.78 g/cm^3 and the unit cell volume is 2.31 x
1. 1 answer
2. asked by ChemLover
3. 692 views
After being elected, President Nixon continued the process of "Vietnamization"... Can anyone explain what is meant by this term,
1. 1 answer
2. asked by meshelle
3. 686 views
The change in the number of olfactory neurons as we age increase the detection of warning smells
1. 0 answers
2. asked by John
3. 678 views
Calculate the [H+] in a solution that has a pH of 9.00.
1. 1 answer
2. asked by teena
3. 671 views
Explain how you would use your knowledge of the overjustification effect so college graduates would engage in lifelong learning
1. 3 answers
2. asked by Emily
3. 670 views
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water?
1. 2 answers
2. asked by chris
3. 662 views
how to find gcd by flow chart
1. 2 answers
2. asked by dfgd
3. 661 views
15.8 grams of NH3 and excess O2 produces NO gas and H2O. 12.8 grams of NO gas was produced. Find the percent yield.Balanced
1. 1 answer
2. asked by Mikey
3. 657 views
Silver crystallizes in a face centered cubic unit cell with an edge length of 0.40836 nm. Calculate the density of silver in
1. 3 answers
2. asked by ChemLover
3. 652 views
Does the period of a satellite in a circular orbit increase or decrease as its distance from earth increases?Thanks :)
1. 1 answer
2. asked by kath
3. 649 views
I'm having a hard time understanding distance rate and time word problems, and my teacher doesn't really make things clear. I
1. 1 answer
2. asked by Teto
3. 644 views
A capacitor has a capacitance of 3 pF. What potential difference would be required to store a charge of 21 pC?Choose one answer.
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 638 views
Suppose that weights are bell shaped with a mean of 120 pounds and a standard deviation of 10 pounds. What percentage of weights
1. 1 answer
2. asked by Robby
3. 632 views
Can someone please make a literal meaning for each line in Robert Frost's Poem 'Out, Out'?(For lines 27-34 only) and techniques
1. 2 answers
2. asked by jason
3. 630 views
A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude
1. 0 answers
2. asked by Sandhya
3. 621 views
If you borrow $1,700 at 7% simple interest, how much interest will you pay?A. $7.00 B. $120 C. $119 D. $1819 1,700x0.07 i chose
1. 3 answers
2. asked by kayla
3. 621 views
a farmer is building a fence around his yard. one side of the fence will be the side of his barn , the other three sides will be
1. 1 answer
2. asked by melissa
3. 619 views
the McCarran Internal Security Act of 1950. Is anyone willing and able to explain the significance of this act of Congress,
1. 1 answer
2. asked by meshelle
3. 608 views
i need help with this one. i need to know where to start at. i am not sure where to begin detailing how a human service
1. 1 answer
2. asked by debbie
3. 598 views
a chemical reaction occuring in a cylinder equipped with a moveable piston produces 0.58 mol of a gaseous product. If the
1. 0 answers
2. asked by celina
3. 596 views
find the revolutions of a bicycle wheel of diameter 0.8m when the bike goes a distance of 25m down the street.
1. 1 answer
2. asked by tia
3. 596 views
A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in
1. 2 answers
2. asked by Jessie
3. 592 views
convert the numeral to a numeral in base 1014 5
1. 3 answers
2. asked by katie
3. 588 views
In 10-15 lines critically discuss ways in which the human or environmental problem impacts on the community regarding
1. 8 answers
2. asked by PETUNIA
3. 585 views

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