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Questions Asked on February 9, 2010

Graph the equation in the rectangular coordinate system.-5y = -40 How should the line be going?
1. 13 answers
2. asked by re
3. 5,299 views
The graph below represents the relatonship between the potential difference across a metal conductor and the current through the
1. 2 answers
2. asked by Priscilla
3. 4,328 views
When copper wire is placed into a silver nitrate solution, silver crystals and copper(II) nitrate solution form. Write the
1. 2 answers
2. asked by tdb
3. 4,068 views
To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water.4 Au(s) + 8
1. 14 answers
2. asked by Amy
3. 3,475 views
Use the fundamental counting principle to find the total number of outcomes in each situation.1.Rolling two number cubes and
1. 3 answers
2. asked by Shadow
3. 3,017 views
Correct the incorrect punctuation and type a semi-colon, colon, em dash, or parenthesis.What can be done about pollution? I know
1. 6 answers
2. asked by Pam
3. 2,675 views
In the diagram below of triangle ACD, E is a point on line AD and B is a point on line AC, such that line EB is parallel to line
1. 1 answer
2. asked by John
3. 2,658 views
The three angles of a triangle are (x-25) degrees, (2x+40)degrees and 30 degrees. find the magnitude of each angle.
1. 2 answers
2. asked by Jermaine
3. 2,401 views
Please help me answer this question;The goal of the recrystallization procedure is to obtain purified material with a maximized
1. 3 answers
2. asked by Judy
3. 2,373 views
A 200-m-wide river flows due east at a uniform speed of 2.0 m/s. A boat with a speed of 8.0 m/s relative to the water leaves the
1. 2 answers
2. asked by hanrap
3. 2,252 views
The reaction of aqueous barium bromide and aqueous lithium carbonate is represented by the balanced net ionic equation.Ba2+(aq)
1. 1 answer
2. asked by blasting
3. 2,166 views
Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers.Problem #1 (3+2i)^2
1. 9 answers
2. asked by Dawn
3. 2,005 views
Two long straight wires are parallel and 9.0 cm apart. They are to carry equal currents such that the magnetic field at a point
1. 2 answers
2. asked by Anonymous
3. 1,883 views
A woman had $200. she went to the meatshop, a drug store and a book store. she spent four(4) times as much money in the meatshop
1. 3 answers
2. asked by JERMAINE
3. 1,878 views
A hollow cylindrical resistor with inner radius r1 and outer radius r2, and length l, is made of a material whose resistivity is
1. 1 answer
2. asked by Joanna
3. 1,874 views
Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for $10 a dozen and are sold for $20 a
1. 2 answers
2. asked by iyra
3. 1,825 views
ABC x 3 = BBB
1. 3 answers
2. asked by gokul
3. 1,821 views
what does this say in English despues de haber encontrado todas las palabras escondidas, bosque el refran escondido, haciendo un
1. 1 answer
2. asked by amber
3. 1,817 views
To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water.4 Au(s) + 8
1. 1 answer
2. asked by tdb
3. 1,713 views
A student placed 14.0 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then
1. 2 answers
2. asked by Sherryl
3. 1,674 views
Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers.Problem #1
1. 8 answers
2. asked by Dawn
3. 1,622 views
True or False: A zero population correlation coefficient between a pair of random variable means that there is no linear
1. 1 answer
2. asked by iyra
3. 1,598 views
The reaction between solid sodium and iron(III) oxide is one in a series of reactions that inflates an automobile airbag.6 Na(s)
1. 1 answer
2. asked by tdb
3. 1,592 views
A boat is traveling upstream in the positive direction of an x axis at 14 km/h with respect to the water of a river. The water
1. 2 answers
2. asked by hannah
3. 1,468 views
Suppose the total cost, C(q), of producing a quantity q of a product isgiven by the equation C(q) = 5000 + 5q The average cost
1. 1 answer
2. asked by kyle
3. 1,426 views
Put in order from strongest to weakest: London Dispersion Forces, Hydrogen Bonds, Dipole-dipole interactions, ionic bonding, and
1. 1 answer
2. asked by Lelia
3. 1,418 views
about 99% of the mass of the human body is made up of just six elements.oxygen:65% carbon18% hydrogen:10% calcium:1.5%
1. 1 answer
2. asked by rebecca
3. 1,305 views
calculate the freezing point and osmotic pressure at 25 degrees celcious of an aqueous solution containing 1.0 g/L of a protein
1. 1 answer
2. asked by heather
3. 1,274 views
A curve is traced by a point P(x,y) which moves such that its distance from the point A(-1,1) is three times the distance from
1. 1 answer
2. asked by Anonymous
3. 1,266 views
I really need your help to rephrase the poem "Preludes" by T.S.Eliot.I don't need an intepretation of the poem, though. I)The
1. 3 answers
2. asked by Franco
3. 1,266 views
Please heellppppppppp!!!!How do you expect the following series of compounds to compare in behavior in the two tests?(Sn1/Sn2
1. 1 answer
2. asked by Beth
3. 1,232 views
The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the
1. 6 answers
2. asked by Sara
3. 1,216 views
Consider the paraboloid z=x^2+y^2. The plane 3x-2y+z-7=0 cuts the paraboloid, its intersection being a curve.What is the "the
1. 0 answers
2. asked by Derek A
3. 1,209 views
A flowerpot falls off a windowsill and falls past the window below. It takes the pot 0.42 s to pass this window, which is 1.90 m
1. 2 answers
2. asked by Drew
3. 1,206 views
A .22 rifle bullet, traveling at 373m/s, strikes a block of soft wood, which it penetrates to a depth of 0.125m. The block of
1. 1 answer
2. asked by Anonymous
3. 1,206 views
In what ways does diversity make conflict into a positive result? How can the appreciation and encouragement of people to be
1. 2 answers
2. asked by cassandra
3. 1,159 views
does "rester debout" mean to remain standing? if so, could i say I was very embarrassed because i remained standing while the
1. 1 answer
2. asked by sammi
3. 1,123 views
If you can throw a ball vertically upward to a height h = 30.5 m, what is the maximum horizontal range over which you can throw
1. 0 answers
2. asked by Katie
3. 1,115 views
Calculate the acceleration of a 2000-kg, single-engine airplane just before takeoff when the thrust of its engine is 500 N.
1. 2 answers
2. asked by iggy
3. 1,109 views
a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years
1. 4 answers
2. asked by please help me
3. 1,108 views
Can you please check the following sentences for me?1)The mirror compares itsself to a lake. A woman bends over it so see what
1. 1 answer
2. asked by Franco
3. 1,090 views
Write a poetry explication that describes aspects that typify the work of a poet in Twentieth-century to contemporary poetry
1. 3 answers
2. asked by Anonymous
3. 1,049 views
A sprinter starts from rest and reaches his top speed in 4 seconds running with a constant acceleration. He then maintains that
1. 2 answers
2. asked by Drew
3. 1,046 views
If I got an income tax refund of $650 and invest the money in an account that pays 8% interest, compounded quarterly, how much
1. 1 answer
2. asked by Robbyne
3. 1,033 views
A store clerk sold 25 maths books and 10 english books for $855.00 .if she sold 10 maths books and 40 English books, she would
1. 1 answer
2. asked by JERMAINE
3. 1,017 views
What factor motivated Italy, Germany, and Japanese leaders to foreign policies in the 1930's
1. 1 answer
2. asked by Anonymous
3. 997 views
a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years
1. 1 answer
2. asked by alex
3. 996 views
how do you determine the domain of the variable in the expression x-6 over 5-x?
1. 1 answer
2. asked by becky
3. 995 views
Two (2) Buckets were bought for X dollars each ($X) and a third bucket is bought for $less than twice the price of the first two
1. 2 answers
2. asked by JERMAINE
3. 988 views
Jeremy has a fish tank that has a 40-cm by 70-cm rectangularbase. The water is 25 cm deep. When he drops rocks into the tank,
1. 1 answer
2. asked by jena
3. 959 views
A rock thrown horizontally from the top of a radio tower lands 20.0 m from the base of the tower. If the speed at which the
1. 1 answer
2. asked by Katie
3. 922 views
I have nearly completed my Child Day Care Management. They give me a project sheet Competency Goals I II II, etc. the first Goal
1. 1 answer
2. asked by Abbie
3. 919 views
This is the second and last stanza of the poem "Preludes" I need to rephrase.Thank you very much for your help. The morning
1. 1 answer
2. asked by Franco
3. 899 views
In each of the following cases,explain whether you think the situation is efficient or not.If it is not efficient,why not? What
1. 2 answers
2. asked by Marcye
3. 884 views
Ricky had 2/3 gallon of fruit punch left over from his party. He gave Jason 1/4 gallon the next day. What fraction of a gallon
1. 3 answers
2. asked by sally
3. 880 views
An element has ccp packing with a face-centered cubic unit cell. Its density is 12400 kg/m3 and the unit cell volume is 5.50 x
1. 2 answers
2. asked by Luc
3. 875 views
Please help !!!!The acid impurity in your unknown was benzoic acid. a) Write an equation for the reaction that occurs during the
1. 1 answer
2. asked by Amanda
3. 872 views
a pencil, eraser and notebook together cost one dollar. a notebook costs more than two pencils, three pencils cost more than
1. 1 answer
2. asked by vasumathi
3. 869 views
Express as an equivalent expression, using the individual logarithms of w,x,y and z. log a (xy^2z-3)
1. 2 answers
2. asked by Ashley
3. 863 views
The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the
1. 0 answers
2. asked by Sara
3. 858 views
1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the
1. 1 answer
2. asked by Hannah
3. 831 views
If I have 27 coins (dimes and nickels) that total $1.95. How many are dimes and how many are nickels
1. 1 answer
2. asked by Pam
3. 822 views
Could you please check these thanks.Part 1 Directions: Choose the right word with the right statement. Word Bank A. donner B.
1. 3 answers
2. asked by Kesha
3. 819 views
i need to create a policy to use in a theme park to reduce reuse and recycle waste.i thought about to reduce the packaging in
1. 1 answer
2. asked by KATIE M
3. 812 views
Suppose A is a square matrix satisfying the equation A^3 - 2I = 0. Prove that A and (A - I) respectively are invertible. (the
1. 1 answer
2. asked by David
3. 812 views
An element has bcc packing with a body-centered cubic unit cell. Its density is 19300 kg/m3 and the unit cell volume is 3.17 x
1. 4 answers
2. asked by Dan
3. 794 views
A freight train travel 100km every hour. It passes over a river at 10:00AM. Four hours later, a passenger train passes over the
1. 2 answers
2. asked by peyton
3. 789 views
Block A has a mass of 4.1 kg, and it is on a frictionless surface. A string tied to this mass passes over a frictionless pulley,
1. 3 answers
2. asked by Anonymous
3. 778 views
A 1.994 g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temp. above 170 C in a crucible until a
1. 2 answers
2. asked by neha
3. 767 views
write a polynomial that expresses the area of a rectangle whose length is 3 feet more than twice the width
1. 2 answers
2. asked by Dawn
3. 765 views
for face centered unit cell, r=6find edge in terms of r, face diagonal in terms of r, body diagonal in terms of r,
1. 3 answers
2. asked by blasting
3. 765 views
Can someone explain what is a cubic cost function? I'm taking a managerial economics course, but I've never taken any algebra or
1. 3 answers
2. asked by Kiersyn
3. 759 views
I am writing an essay on Education. As why schools close. I have alot of information I just need to know exactly where I found
1. 2 answers
2. asked by Tracie
3. 757 views
23. A medical condition that can be treated by using proteins produced through genetic engineering isa. depression b. multiple
1. 1 answer
2. asked by mysterychicken
3. 754 views
What product(s) would you expect from the reaction of 1 mol of 1,3-butadiene and 2 mol of Cl2?
1. 0 answers
2. asked by adrienne
3. 753 views
name and give the molecular formula for the alkane with a molar mass of 44 g/mol?
1. 1 answer
2. asked by yohanna
3. 736 views
I need to know what a counter is in order to have my child draw a piece of yarn 3 counters long from the needle. What exactly is
1. 7 answers
2. asked by Lee
3. 733 views
Suppose the cost C(q) (in dollars) of producing a quantity q of a productequals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q)
1. 0 answers
2. asked by ty
3. 727 views
mary had 10 yards 2 feet of ribbon. She needed to cut peices for her 3 friends. If each friend got the same amount of ribbon,
1. 5 answers
2. asked by me
3. 725 views
Complete and balance the chemical equation using compound formulas. Include the states. If there is no reaction, enter NR.Pb(NO3
1. 1 answer
2. asked by blasting
3. 723 views
Could someone please help me with these questions;I was having trouble with these four questions.Evaluate each limit, if it
1. 0 answers
2. asked by Kenny
3. 723 views
compose a list identifying the major components of health communication. who is involved in each component? how does each
1. 1 answer
2. asked by nancy
3. 703 views
A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in
1. 2 answers
2. asked by Justin
3. 701 views
a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years
1. 1 answer
2. asked by please help me
3. 700 views
Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. the
1. 2 answers
2. asked by Mary
3. 698 views
A 0.0160-kg bullet traveling horizontally at 396 m/s strikes a 3.95-kg block of wood sitting at the edge of a table. The bullet
1. 2 answers
2. asked by Sarah
3. 693 views
A curve is traced by a point P(x,y) which moves such that its distance from the point A(-1,1) is three times the distance from
1. 0 answers
2. asked by Anonymous
3. 688 views
Calculate the net charge on a substance con-sisting of a combination of 6.5 × 1013 protons and 2.0 × 1013 electrons. Answer in
1. 2 answers
2. asked by Anonymous
3. 677 views
Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the
1. 0 answers
2. asked by Karmen
3. 670 views
Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn
1. 1 answer
2. asked by Tessa
3. 666 views
I have to answer these questions and tell why I picked that answer. I have the answers I just need to know why I picked the
1. 2 answers
2. asked by Kim P
3. 652 views
Can someone please help me with this???I was given a systems equation. Two masses are on a flat frictionless surface tied
1. 0 answers
2. asked by Marina
3. 645 views
The three Angles of a triangle are (x-25)degrees, (2x+40)degrees and 30 degrees. find the magnitude of each angle.
1. 0 answers
2. asked by JERMAINE
3. 644 views
For this question : How does the photoperiod differ between the two solstices?wouldn't the solstices be spring and fall?
1. 5 answers
2. asked by Sara
3. 640 views
A freight train travels 100km every hour it passes over a river at 10:00am four hours later a passenger train passes over the
1. 1 answer
2. asked by peyton
3. 640 views
Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn
1. 0 answers
2. asked by Tessa
3. 636 views
At t=0 car A and truck B are 350 m apart on a straight road. Starting from rest car A speeds up with a constant acceleration of
1. 1 answer
2. asked by Drew
3. 635 views
I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and
1. 0 answers
2. asked by Marina
3. 629 views
Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the
1. 0 answers
2. asked by Karmen
3. 618 views
How do I simplify this?cos4xcos3x-sin4xcos3x I pulled the cos3x out as a common factor but that doesn't really help. Can someone
1. 2 answers
2. asked by Scott
3. 616 views

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