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2011
February

Questions Asked on February 28, 2011

jo-jo had two mice, every month the number of mice doubled. in how many months would there be 2048?
1. 8 answers
2. asked by jessica
3. 1,221 views
A boy of mass m takes a running start and jumps on his sled at position 1. He leaves the ground at position 2 and lands in deep
1. 1 answer
2. asked by Demar
3. 1,081 views
The Inuit people of North America are all _______________
1. 3 answers
2. asked by Sally
3. 519 views
What did people in the House of Tudor do?
1. 2 answers
2. asked by Sally
3. 389 views
Physics question on identify the reaction?I am having trouble with the question a, b, and c in this physics problem: One or more
1. 1 answer
2. asked by Lin
3. 1,664 views
seawater contains approximately 3.5% NaCl by mass and has a density of 1.02 g/mL. What volume of seawater contains 1.0 g of
1. 1 answer
2. asked by Anonymous
3. 1,252 views
Let f(x)= (1/x). Use the limit definition of derivative to find f'(x).My professor's answer is: -1/x but I keep getting: -1/x^2
1. 1 answer
2. asked by Abigail
3. 388 views
The date December 31, 2043 can be written in the format 12/31/43. This is an example of a true mathematical statement because 12
1. 0 answers
2. asked by Anonymous
3. 451 views
Suppose a motorcycle with uniform motion travels from a position of 5.0km[S] to a position of 20.0km[N] in 0.5h Find the
1. 1 answer
2. asked by Bob
3. 573 views
Find the unit price and tell which is the better buy:A 64 oz. bottle of juice costs $2.39, and a 20 oz. bottle costs &0.79. You
1. 2 answers
2. asked by Sammy
3. 1,056 views
Could someone please explain to me how to do this problem, and also what the answer is? I don't understand !!(8x10^4) x (4.43 x
1. 1 answer
2. asked by stacie
3. 452 views
Find the unit price and tell which is the better buy:Buy one 10 pack of AAA batteries for $5.49 and get one free, or buy two 4
1. 6 answers
2. asked by Sammy
3. 1,090 views
1. You can read whatever magazine you like.2. You are able to read whatever magazine you like. 3. You may read whatever magazine
1. 1 answer
2. asked by English
3. 992 views
For that problem: A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the
1. 3 answers
2. asked by shannon
3. 1,005 views
1. You can read whatever magazine you like.2. You can read which magazine you like. 3. You can read that magazine you like.
1. 3 answers
2. asked by English
3. 499 views
you intend to create a college fund for your baby. if you get an interest rate of 5.3% compounded monthly and want the fund to
1. 0 answers
2. asked by kayla
3. 519 views
Officials have found certain amounts of hazardous Fe3+ ions in the town of Scienceville's water supply. Using your knowledge of
1. 0 answers
2. asked by Alisha
3. 505 views
If X=11 inches, Y=8 inches, and Z=6 inches, what is the area of the parallelogram above?
1. 1 answer
2. asked by Garrett
3. 505 views
give exact and approximate solutions to three decimal placesy^2-12y+36=4
1. 1 answer
2. asked by anne
3. 410 views
solve using the elimination methodx+7y=58 -x+4y=30
1. 1 answer
2. asked by jay
3. 1,158 views
At which point in the criminal process does the right to counsel end?
1. 1 answer
2. asked by ev
3. 1,107 views
Please help me...How do I express the following products in scientific notation?? 1)(2.964 x 10^8) divided by (52 x 10^2)
1. 1 answer
2. asked by stacie
3. 449 views
for that some problem: A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the
1. 2 answers
2. asked by shannon
3. 733 views
Find the derivative of the inverse for the function f and real number a.f(x)=xrad(x-3) a=4 Please help. Thank you very much for
1. 0 answers
2. asked by Jake
3. 369 views
what is the area of the region enclosed by the graphs of y=2- lx-3l and y= x^2-2x?
1. 0 answers
2. asked by cherry
3. 439 views
How do I solve \sqrt{\frac{33xy^{3}}{\sqrt{3x}}}? I am getting so confused and I need help please!
1. 0 answers
2. asked by Laura
3. 411 views
An m = 6.80-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three
1. 2 answers
2. asked by Em
3. 630 views
to estimate the height of a tree, Dave stands in the shadow of the tree so that his shadow and the tree's shadow end at the same
1. 2 answers
2. asked by shannon
3. 1,406 views
EARLIER SOMEONE POSTED:"Two like-charged balloons, placed at a distance of .5 meters, experience a repulsive force of .32 N.
1. 0 answers
2. asked by help!
3. 478 views
My teacher wants me to calculate the rate of enzyme activity (1/s)I'm given the temperatures: 0 , 15, 30, ,50, and 80 (degrees
1. 0 answers
2. asked by paul
3. 391 views
If class starts at 11:50 and lasts 1 hour 40 min how do you write a math equation?
1. 1 answer
2. asked by Anthony
3. 402 views
Differentiate.g(x)=(x^3+1)(3x^2-1) I know that the answer is 15x^4-3x^2+6x but I donot know how to get to this. I was using
1. 2 answers
2. asked by Hannah
3. 899 views
A rectangular sheet ofaluminum foil is 50 centimeters long and 20 centimeters wide, and weighs 5.4 grams. Find the thickness of
1. 1 answer
2. asked by De Angelis
3. 637 views
in what categorize does Esctacy belong to? carbohydrate, lipid, protein or nucleic acid and why. can some give me 2 or 3 exaple
1. 0 answers
2. asked by tarkan
3. 792 views
can someone help me find a current article relating to this thank you!!Find a current administrative issue in a newspaper,
1. 3 answers
2. asked by bobbi...plz help
3. 581 views
** When s conducting sphere is charged positively, initially the charge is deposited on the left side. However, due to the
1. 1 answer
2. asked by Angela here again
3. 1,420 views
Discuss one example of cultural, economic, or environmental diffusion between your chosen society and another society, either
1. 5 answers
2. asked by Anonymous
3. 628 views
Please check my answers.1. Using the equations, IO3- +5I- + 6H+ -> 3I2 + 3H2O C6H8O6 + I2 -> C6H6O6 + 2I- + 2H+ how many
1. 2 answers
2. asked by Sara
3. 2,286 views
Calculate the mass of silver metal (Ag) produced from the reaction of 5.58 grams of copper metal (Cu) according to the following
1. 1 answer
2. asked by Carly
3. 894 views
Determine the values of a M and N , so that the polynomial 2x^3+mx^2+nx-3 and X^3-3mx^2+2nx+4 are both divisible by x-2.I am so
1. 4 answers
2. asked by rani
3. 3,132 views
In an experiment using sodium light (λ=589 nm), the slits are 1.2 μm wide. You notice that every fourth fringes missing.a)
1. 1 answer
2. asked by George
3. 689 views
The number of calls received by a car towing service averages 14.4 per day (per 24 hour period). After finding the mean number
1. 0 answers
2. asked by Katie
3. 776 views
I just need ideas on how i can estimate the height of a building by using only a tennis ball and a stop watch. I can only
1. 2 answers
2. asked by Caitlin
3. 476 views
fixed installment loan of $13,500 with 60 months to pay back, monthly payments of $280.24. instead of making 36th payment, pays
1. 0 answers
2. asked by kayla
3. 468 views
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown
1. 1 answer
2. asked by Angela here again
3. 1,777 views
Find an equation of the tangent line to the curve at the given point.y = 7 sec x P = (π/3, 14)
1. 1 answer
2. asked by Anonymous
3. 383 views
1. 4+7=7+42. 9+5+3=3+5+9 3. 5(7+1)=35+3 4. (1+2)+3=1+(2+3) 5. 6(a-3)=6a-18 6. (9+5)+4=5+(4+9) A. Associative Prop of Addition B.
1. 1 answer
2. asked by Hayley
3. 491 views
Find the indefinite Integral of:(e^(2x)-e^(-2x))/(e^(2x)+e^(-2x))dx Thank you very much for your help.
1. 1 answer
2. asked by Jake
3. 332 views
Find the number of square units in the area of the region in the first quadrant which is bounded by x = 4, the y-axis, y = 2 ,
1. 0 answers
2. asked by george
3. 427 views
he is a artist I am at work, and have done much, but I wish I had eight pairs of hands and another body to shoot the specimens.
1. 2 answers
2. asked by love of this country
3. 458 views
A charge of .250 C moves vertically in a field of .500 T that is oriented some angle from the vertical. If the charges's speed
1. 1 answer
2. asked by Adam
3. 355 views
A charge of .250 C moves vertically in a field of .500 T that is oriented some angle from the vertical. If the charges's speed
1. 2 answers
2. asked by Adam
3. 478 views
Commercial breathalyzers contain .75 mg of K2Cr2O7, 1.5 mL of H20 and 1.5 mL of H2SO4. What is the concentraion of the
1. 1 answer
2. asked by Anonymous
3. 351 views
Is "after the hurricane" a pharase or clause?
1. 1 answer
2. asked by Dan
3. 719 views
Please help me with these! Thanks :)Describe, in detail, how to make 5.5 liters of a 2.5 molar HCl solution from a 10.5 molar
1. 1 answer
2. asked by Amanda
3. 705 views
A healthy human body maintains a temperature of about 37.00C. Explain how physical, chemical and nuclear processes all
1. 0 answers
2. asked by Farah
3. 670 views
Compute the maximum product for two positive numbers x and y with the property that the sum of the first plus five times the
1. 2 answers
2. asked by Hannah
3. 601 views
Write an expression for the sum of the squares of two consecutive integers. (Use x for the integer.)1 Simplify that expression.
1. 3 answers
2. asked by jannette
3. 2,811 views
After we did two types of sand together, he did the rest on his own.or After we had done two types of sand together, he did the
1. 2 answers
2. asked by Pete
3. 350 views
My teacher wants me to calculate the rate of enzyme activity (1/s)I'm given the temperatures: 0 , 15, 30, ,50, and 80 (degrees
1. 0 answers
2. asked by paul
3. 893 views
Adams Enterprises’ noncallable bonds currently sell for $1,120. They have a 15- year maturity, an annual coupon of $85, and a
1. 4 answers
2. asked by david
3. 2,233 views
Find the critical values of P(x)p(x)= (28+x)(8-x/4) the answer was p=244-7x+8x-x^2/4 p=-x^2/4 + x + 244 p'= -x/2 +1 = 0 X=2 My
1. 2 answers
2. asked by Hannah
3. 871 views
Each Steel Rail is 8.0 m long and has a cross sectional area of .0025msquared. on a hot day, each rail thermally expans as musch
1. 1 answer
2. asked by Roxy
3. 1,052 views
i gave away 20 marbles leaving 60%, how many marbles did i have
1. 1 answer
2. asked by a
3. 429 views
From experience, you know that you produce significantly more heat when you are exercising than when you are resting. Scientists
1. 1 answer
2. asked by Farah
3. 499 views
Calculate the mass of 2.50 x 104 molecules of nitrogen gas?
1. 1 answer
2. asked by John
3. 1,160 views
How does capital help human productivity in relation to farm labor, office help, teaching, or government administration? I know
1. 3 answers
2. asked by Jon
3. 439 views
I should know where to start, but I have a brain freeze. Will someone get me started?a^2 + b^2 = f^2, solve for a thanks :)
1. 1 answer
2. asked by Nancy
3. 372 views
Commercial breathalyzers contain .75 mg of K2Cr2O7, 1.5 mL of H20 and 1.5 mL of H2SO4. What is the concentraion of the
1. 1 answer
2. asked by Anonymous
3. 1,073 views
Let f(x)= (1/x). Use the limit definition of derivative to find f'(x).My professor's answer is: -1/x but I keep getting: -1/x^2
1. 1 answer
2. asked by Abigail
3. 356 views
how can you interpret this quote: "the things we're drawn to satirize are, in many cases, the things we're most wary about in
1. 3 answers
2. asked by Titi
3. 397 views
How do I go about preparing 50% ethanol and 70% ethanol from 95% ethanol?
1. 0 answers
2. asked by michelle
3. 715 views
a skateboarder is skating over a circular bump. she is at the top of the bump and is moving with a speed of 5m/s.Is the normal
1. 1 answer
2. asked by tae
3. 2,767 views
As you know, Anne frequently refers to how much she appreciates and enjoys nature. Why is nature so important to Anne? What does
1. 3 answers
2. asked by Roxy
3. 1,613 views
Comparing the four Classical Societies, in essay format, of China (Han & Qin), India (Gupta empire) and Rome and Greece. I
1. 2 answers
2. asked by Erin
3. 467 views
An m = 6.80-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three
1. 1 answer
2. asked by Haley
3. 683 views
did these questions ever get answered
1. 1 answer
2. asked by rob
3. 318 views
what is the simple subject in the sentence- thier apple does not smell very good.
1. 1 answer
2. asked by traci
3. 406 views
of the following which is the closest approximation to the amount of time it takes to read a 487-page book at the rate of 25
1. 1 answer
2. asked by nylija
3. 881 views
Patrick has a summer job passing out flyers for a store. Each flyer weighs about 0.55 ounce. If he is given a bundle of flyers
1. 4 answers
2. asked by Miranda
3. 1,049 views
A bottle has a mass of 34.20 g when empty and 91.91 g when filled with water. When filled with another fluid, the mass is 86.24g
1. 0 answers
2. asked by Mia
3. 1,066 views
Describe one real object with the given shape. Explain why you might want to find the volume of the object.Triangular prism
1. 5 answers
2. asked by Help plz
3. 463 views
Which set of ordered pairs are on the graph of the function y = 1/2 x - 2 ?F (-4,0) , (6,-5 ) G (-4,0) , (6, 5 ) H (4,0) , (6,-5
1. 3 answers
2. asked by Kelly
3. 665 views
Solve for x: log3(x^2-4)-log3(x+2)=2
1. 3 answers
2. asked by julie
3. 698 views
• Use at least five adverbs and five adjectives to write a 150- to 300-word review of a movie, sporting event, musical
1. 1 answer
2. asked by Havingtroublehere
3. 498 views
Take the mass of the Earth to be 5.98 ×1024 kg. If the Earth’s gravitational force causes a falling 66 kg student to
1. 0 answers
2. asked by Carrie
3. 703 views
Find the slope and y-intercept for the line. Assume a = 4, b = 2, c = -4.
1. 0 answers
2. asked by jannette
3. 310 views
Two parallel lines are cut by a transversal. Angles A and B are adjacent exterior angles. Angle A measures 87 degrees. What does
1. 3 answers
2. asked by Barbie
3. 2,186 views
I am trying to analyze Wendi Kaufman's "Helen on Eighty-Sixth Street." I do not understand what Vita's mother means when she
1. 0 answers
2. asked by Melissa
3. 590 views
Compute the maximum product for two positive numbers x and y with the property that the sum of the first plus five times the
1. 5 answers
2. asked by Hannah
3. 3,430 views
If I go into an ice cream parlor, and I have the choice of having one of 10 different flavors , with one of 5 different toppings
1. 1 answer
2. asked by Anonymous
3. 1,897 views
The volume of a cylinder is 1256 meters. The height is 13 meters. Diameter is x. What is the diameter?
1. 3 answers
2. asked by MathLover
3. 775 views
an example problem showed the followinglog tan A/2 = 9.54435 - 10 A= 38 deg 36' 12" Now i want to do the same. log tan A/2 =
1. 1 answer
2. asked by Anon
3. 554 views
There are many social and cultural contexts you interact with that strongly influence development. These contexts include people
1. 2 answers
2. asked by april
3. 560 views
I need to duplicate the strength of lye made from wood ash dissolved in water (Potassium Hydroxide) to that of lye made from
1. 0 answers
2. asked by Jeff
3. 620 views
Sona is trying to put together a puzzle that is too difficult for her to complete alone. If the puzzle is within Sona’s zone
1. 2 answers
2. asked by april
3. 1,259 views
A ray of light strikes a mirror at an angle of26� degrees to the normal. What is the angle of reflection? Answer in units of
1. 1 answer
2. asked by Maria
3. 1,029 views
A(n) 0.163 kg baseball is thrown with a speedof 9.37 m/s. It is hit straight back at the pitcher with a final speed of 16.7 m/s.
1. 1 answer
2. asked by Maria
3. 1,156 views
Briefly explain Anne’s relationship with her parents. How is her relationship with her father different from her relationship
1. 5 answers
2. asked by Roxy
3. 2,252 views
A mechanic pushes a(n) 3980 kg car fromrest to a speed of v, doing 5107 J of work in the process. During this time, the car
1. 0 answers
2. asked by leslie
3. 501 views

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