Questions Asked on January 9, 2010

1) If x = rcos theta and y = r sin theta, show that partial r / partial x = cos theta and find partial theta / partial x.2) If z
1. 1 answer
2. asked by Claire
3. 12,908 views
If 15 grams of copper (11) chloride react with 20 grams of sodium nitrate, how much sodium chloride can be formed? Hint: you
1. 2 answers
2. asked by jill
3. 4,616 views
Q.1 Calculate the extent of hydrolysis of 0.005M K2CrO4.If K2=5*10^-7 for H2CrO4.(It is essentially strong for first
1. 2 answers
2. asked by mohit
3. 2,864 views
Is sulfuric acid ionic or covalent?
1. 1 answer
2. asked by Hannah Wagner
3. 1,868 views
1. 24 quarts equals 6 gallons?2. 5 cups equals 40 quarts? 3. 8 cups equals 4 pints? 4. 81000 pounds equals 4 1/2 tons? 5. 1
1. 1 answer
2. asked by Dakota
3. 1,828 views
Hello!Can you recommend me any poem or a short story ( really short) which I can do with my class? ( 19 year olds, learning
1. 4 answers
2. asked by swen
3. 1,625 views
Please checkHere gasoline output is mesured in thousands of gallons, fiber output in the thousands of square feet, and crude oil
1. 0 answers
2. asked by BJ
3. 1,273 views
My question is " "What is the relationship between short-term goals and long-term goals?"I think that for one to be able to
1. 1 answer
2. asked by Mom of eight
3. 1,240 views
How many three-symbol codes (letter, letter, number) can be made from the letters S, P, Y and one digit fro the set {0, 1,
1. 2 answers
2. asked by Rmz
3. 1,239 views
Trains a and b are traveling in the same direction on parallel tracks;Train a is traveling 40mph and train b is traveling 50mph.
1. 3 answers
2. asked by Please
3. 1,237 views
You are a manager in a large, global manufacturing and services organization. You're trying to explain to your grandfather how
1. 2 answers
2. asked by Anonymous
3. 1,171 views
First Nations AssignmentFact Chart Plateau: Food = Salmon, plants, berries, edible roots/wild onion, wild lily bulbs, roots of a
1. 1 answer
2. asked by Sara
3. 1,160 views
I just need a quick check before I hand in my work if you would...Thanks.1. I am to use the intercepts to graph the equation
1. 2 answers
2. asked by S
3. 1,109 views
what is the least common multiple for 12 and 30?
1. 3 answers
2. asked by makeeda
3. 1,104 views
Can you help see if I am arriving at the right answers?1. F(x) =5x^2-2x F (0), I got o F (-1) I got 7 F (2) I got 16 2.
1. 4 answers
2. asked by HG
3. 1,037 views
you are shopping for cereals. how does estimating density help you find a good buy?
1. 3 answers
2. asked by bella
3. 1,031 views
whao were the Yankees from the Civil Wars?
1. 2 answers
2. asked by social studies
3. 1,026 views
You the owner of XYZ Day Care, buy a new van for your business. The van costs $20,000, all of which you borrow from First
1. 0 answers
2. asked by Melanie
3. 1,002 views
An open box is formed from an 80cm by 80cm peice of metal by cutting four identical squares from the corners and folding up the
1. 3 answers
2. asked by Jen
3. 993 views
Helpme solve this please i am really stuckx+3y=8 x=4-3y
1. 4 answers
2. asked by anna
3. 982 views
I solved these can you chack them1. 24 quarts = 6 gallons? 2. 5 cups = 40 oz? 3. 8 cups = 4 pints? 4. 81000 pounds = 4 1/2 tons?
1. 1 answer
2. asked by Dakota
3. 978 views
An initial outlay of $10000 resulting in a free cash flow of $2000 at end of year 1, $5000 at end of year 2, and $ 8000 at end
1. 0 answers
2. asked by SARA
3. 974 views
I need to check my answers. The assignment was to write the appositives and appositive phrases in the following sentences, along
1. 1 answer
2. asked by Anne
3. 936 views
Give the equation of a line perpendicular to the line y = -8x + 8 having the y-intercept 2 units below the y-intercept of the
1. 0 answers
2. asked by Anna
3. 924 views
sec^2xcotx-cotx=tanx(1/cos)^2 times (1/tan)-(1/tan)=tan (1/cos^2) times (-2/tan)=tan (-2/cos^2tan)times tan=tan(tan) sq. root of
1. 2 answers
2. asked by Trig
3. 922 views
42 is divisible by which of the following numbers?A)14 B)8 C)5 D)9
1. 1 answer
2. asked by makeeda
3. 912 views
what is the greatest common factor of 9,18,and 45?A)5 B)9 C)18 D)45
1. 0 answers
2. asked by makeeda
3. 910 views
The area of a triangle is 40cm2. if its height is 5cm, what is its base?
1. 2 answers
2. asked by MICHELLE
3. 907 views
Wheeler Corporation is planning to expand its business and needs $30,000,000. The company believes that a 12-year term loan can
1. 0 answers
2. asked by Bill
3. 904 views
Hello, can someone help me solve and check the following1) x - 8 = 20 Check: 2) x + 15 = 35 Check: 3) -x +6 = 3 Check: The
1. 2 answers
2. asked by Tamir
3. 889 views
A 2 kg mass on a horizontal friction-free air track is accelerated by a string attached to a 100 kg mass hanging vertically from
1. 0 answers
2. asked by Andrew
3. 887 views
write a 1000 word paper that presents the risk of Malathion.
1. 1 answer
2. asked by Anonymous
3. 876 views
1. 24 quarts = 6 gallons?2. 5 cups = 40 quarts? 3. 8 cups = 4 pints? 4. 81000 pounds = 4 1/2 tons? 5. 1 quart = 2 cups? 6. 8
1. 5 answers
2. asked by Dakota
3. 876 views
Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probibility of the
1. 7 answers
2. asked by Rmz
3. 863 views
The antecedent in the following sentence is Doctors: Doctors should schedule more time for patients so they do not spend so much
1. 3 answers
2. asked by Anonymous
3. 832 views
Question 1Question 1 1. Question 1 text The head of the History Department wants to compare the averages of 2 different
1. 1 answer
2. asked by jeff
3. 799 views
Is (5,2) a solution of 4x-2y=-6I said no, am I right? I am working on another problem where they want to know if this system of
1. 1 answer
2. asked by Lara
3. 769 views
I need help making sure I rewrote the following sentences correctly while including the appositive or appositive phrase.1. The
1. 1 answer
2. asked by Anne
3. 764 views
which of the following numbers is not divisible by 9?a)81 b)162 c)199 d)1125
1. 1 answer
2. asked by makeeda
3. 757 views
The cells of cellular slime molds bear a resemblance to:a) flagellated cells b) diatoms c) ciliated cells d) dinoflagllates e)
1. 1 answer
2. asked by Jennifer
3. 739 views
{-1, 0, 1, 2, -1, 0, 1, 2, -1, 0, 1, 2, 1, 1, -2} I need to find the standard deviation of this set of numbers please help!!!
1. 1 answer
2. asked by Anna
3. 734 views
The city planners of bakersfield, CA are studying the current and future needs of the city. The sewage system they have in place
1. 1 answer
2. asked by maddy
3. 726 views
Trains a and b are traveling in the same direction on parallel tracks;Train a is traveling 40mph and train b is traveling 50mph.
1. 3 answers
2. asked by john
3. 717 views
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2%
1. 1 answer
2. asked by crystal
3. 709 views
Wat's The Meaning Of 'Cohesive' ??
1. 1 answer
2. asked by mahima.k
3. 709 views
I am working on a problem where I am to graph the equation and identify the y interceptthe equation is y+x=-9 On the graph, I
1. 2 answers
2. asked by H
3. 701 views
To train for a triathlon Cartman swims 125m daily for one week.Each subsequent week he doubles the daily amount until he swims
1. 3 answers
2. asked by cyn
3. 675 views
If a company pays $4.90 dividend at the end of the year, and the stock price is $80, and the growth rate is 6%. How could you
1. 0 answers
2. asked by Robert
3. 674 views
what is the greatest common factor for 39 and 57?a)19 b)13 c)7 D)3
1. 1 answer
2. asked by makeeda
3. 669 views
an initial outlay of $10000 resulting in a free cash flow of $1993 at end of each year for the next 10 years. the internal rate
1. 0 answers
2. asked by SARA
3. 668 views
• Choose four of the emotional characteristics described on p. 375 of the text. For each of the chosen characteristics,
1. 2 answers
2. asked by scooby
3. 665 views
Trains a and b are traveling in the same direction on parallel tracks;Train a is traveling 40mph and train b is traveling 50mph.
1. 1 answer
2. asked by John
3. 663 views
Can you check the following e-mail for me, please?1)I am terribly sorry for e-mailing you your new timetable for the period ..
1. 1 answer
2. asked by Franco
3. 658 views
Can Someone Give Me Extra Questions For The ChaptersTransportation In Plants AND Reproduction In Plants And Animals
1. 1 answer
2. asked by mahima.k
3. 650 views
In each right triangle ABC, find B. The right angle is at C.1. a= 11.7 m, b= 14.9 m 2. The angle of depression from the top of a
1. 1 answer
2. asked by Lauren,=)
3. 639 views
A: Solve the following equation:k2 + 4k = 0 A: By factoring B: By using the quadratic formula
1. 1 answer
2. asked by Anna
3. 636 views
if 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured
1. 5 answers
2. asked by bobsley plz conform
3. 628 views
can someoneo check these answers to some questions?j'esp¨¨re que je sois accept¨¦ ¨¤ RISD et j'esp¨¨re que je sois
1. 1 answer
2. asked by Mia
3. 625 views
A box contains three black balls and two golden balls. A ball is selected at random, it's color is recorded and it is then
1. 0 answers
2. asked by Rmz
3. 620 views
Explain why the lack of universal health care coverage can raise health care costs.
1. 1 answer
2. asked by Elaina
3. 619 views
three cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the pronanility that the third card
1. 1 answer
2. asked by Rmz
3. 616 views
Consider the experiment involving rolling a single die once.What is P(even and Prime)? I do not know how to start this can
1. 6 answers
2. asked by Rmz
3. 615 views
Choose four of the emotional characteristics described on p. 375 of the text. For each of the chosen characteristics, identify
1. 1 answer
2. asked by scooby
3. 599 views
4tan^2u-1=tan^2u3tan^2u=1 tan^2u=1/3 sq. root of (tan^2u)=sq. root of (1/3) tanu=sq. root of (3)/3 tanu=sq. root of 1 Did I do
1. 1 answer
2. asked by Tara
3. 598 views
what is the greatest common factor for 12 and 30?
1. 1 answer
2. asked by makeeda
3. 570 views
Give the equation of the line that passes through point (1, 2) and is parallel to the line y + 6x -7 = 0.I have a really have
1. 1 answer
2. asked by Anna
3. 562 views
An experiment has three possible outcomes: A, B, and C. If P(A)= P(B)and P(C)= 2P(A), what is the probability of each?Can anyone
1. 8 answers
2. asked by Rmz
3. 555 views
Is there more to Neal Armstrong's speech on the moon than One small step for man One giant leap for mankind?
1. 1 answer
2. asked by Elijah
3. 552 views
which of following is not a prime number?A)17 B)23 C)31 D)51
1. 2 answers
2. asked by makeeda
3. 549 views
First Nations AssignmentFact Chart Plains: Food = Pemmican/Bison/Buffalo Shelter = Tipi Clothing = tunics, leggings, skirts,
1. 1 answer
2. asked by Sara
3. 547 views
At what time will a full moon rise? Please enter military time in whole hours, ex. 15 for 3 pm.
1. 3 answers
2. asked by James
3. 546 views
Not sure on a few of my answers, can you help?1. Find the slope and y intercept : f(x)=-5x-7 slope = -5 intercept = (0,-7). Is
1. 3 answers
2. asked by HGO
3. 542 views
let P(x)=2x^4-x^3+13^2-8x-24. Use synethetic division to show that x+1 is a factor of P(x)Answer:2x^3-3x^2+16x-24 Then find all
1. 1 answer
2. asked by Jill
3. 542 views
1) Why is it appropriate to call the endomembrane system a "system?"2) The selective permeability of biological membranes is
1. 0 answers
2. asked by Dexter
3. 533 views
what are the pros and cons of the various methods of conducting psychological research
1. 1 answer
2. asked by Anonymous
3. 532 views
what is the density of an unknown substance whose mass is 4.5 grams and volume is 5 mil?
1. 1 answer
2. asked by Gary
3. 532 views
What conclusions can you draw about similarities and differences in circulation, tracking and security measures for records
1. 2 answers
2. asked by LIL KIM
3. 529 views
Is (5,2) a solution of 4x-2y=-6I said no, am I right? I am working on another problem where they want to know if this system of
1. 1 answer
2. asked by Lara
3. 526 views
First Nations AssignmentFact Chart Northwest Coast: Food = shellfish/middens, salmon, birds, early ripening plants foods/salmon
1. 1 answer
2. asked by Sara
3. 524 views
Im 11 and i need to know how to research the following and be able to understand it myself.I'm finding this hard.1)Three
1. 1 answer
2. asked by Lewis
3. 518 views
can someone help me with this question it is very hard the question is 4j - 3 = 5 the solutions area)j=1/2 b)j=2 c)j=8 d)j=32
1. 2 answers
2. asked by jolly
3. 518 views
A supersoaker water pistol can hold up to 4 litres of water. If each shot uses 11/12 of amount of water of its previous shot,
1. 2 answers
2. asked by cyn
3. 517 views
what is "Position" in Science?
1. 1 answer
2. asked by betty
3. 509 views
solve: log base2(log basex(x+6)=1There's 2 different bases, how do I solve for x?
1. 0 answers
2. asked by cyn
3. 505 views
First Nations AssignmentFact Chart Plains: Food = Pemmican/Bison/Buffalo Shelter = Tipi Clothing = tunics, leggings, skirts,
1. 1 answer
2. asked by Sara
3. 504 views
What did Washington do with his slaves at the end of his presidency?
1. 1 answer
2. asked by oWEN
3. 503 views
when it is 6:00am in California it would be
1. 3 answers
2. asked by tiffany
3. 501 views
I still havn't figured out where the exposition of The Miracle Worker is. Please helpp!Thanks -MC
1. 5 answers
2. asked by mysterychicken
3. 499 views
include a response to nonrenewble energy resources include oil corn and natural gas
1. 1 answer
2. asked by Lois
3. 496 views
Suppose that P(A)= x. The probability of the complementary event B is 0.7, what is the value of x.would it be 0.3
1. 2 answers
2. asked by Rmz
3. 495 views
in a subdivision, 67 perecent of the homes have detached garages, 32 perecent have a patio, and 13 percent have both. What is
1. 2 answers
2. asked by Rmz
3. 493 views
Does the structure of a company's portfolio matters in deciding on the required rate of return? In other words does the ratio of
1. 0 answers
2. asked by Robert
3. 492 views
laurie expects to make $100,000 in 2007. her social security tax rate is 6.20% up to wage base, medicare is 1.45%. how much FICA
1. 0 answers
2. asked by sharon
3. 491 views
Given sin x = 4/7 and cos x = negative square root of 33 over 7, find cot x.I think it's square root of 33 over 4!
1. 1 answer
2. asked by Jennifer
3. 490 views
Moral Philosophy best suited for making Business decisions...
1. 2 answers
2. asked by Suzy Kasza
3. 486 views
hello,can anyone translate this? could be a poetic-like translation. i just can't seem to make sense out of this, when i use a
1. 1 answer
2. asked by jj
3. 484 views
If each score in a set of test scores is divided by 10, describe the effect of the division on the mean, median, mode, range,
1. 0 answers
2. asked by Anna
3. 484 views
Who assisted the Northerners also know as the Yankees soldiers in the fight against the confederate soldiers also called the
1. 0 answers
2. asked by Anonymous
3. 484 views
What are the opportunities/threats for 3M to take the Post-it Highligher international?
1. 1 answer
2. asked by john
3. 480 views
Determine the inverse of f(x)=(x^3)-2Is the inverse the switch of coordinates between x and y or is it 1 over the whole
1. 1 answer
2. asked by cyn
3. 480 views

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