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Questions Asked on July 20, 2010

The Pont du Gard near Nimes, France is a roman aqueduct. An observer in a hot air balloon some distance away from the aqueduct
1. 3 answers
2. asked by Nada
3. 3,307 views
by how many newtons do you increase the weight of your car when you fill up your 11.5 gal gas tank with gasolinea gallon is
1. 1 answer
2. asked by paul
3. 1,917 views
It's approaching year-end, and your president has asked you, the management accountant, to visit his office for a heart-to-heart
1. 0 answers
2. asked by Anonymous
3. 477 views
I have several problems where I have the answer, but I need to know how to work it out. You guys are amazing. Any help would be
1. 1 answer
2. asked by Sam
3. 501 views
What is used to tell different isotopes of a particular element apart?A. the mass number B. the atomic number C. the number of
1. 3 answers
2. asked by Derrick
3. 1,130 views
If you can help with this problem, I would so appreciate it. If I can understand, I think I can do the rest of them. Here is the
1. 1 answer
2. asked by Sam
3. 1,163 views
explain the logical errorSquare both sides to get a2 = b2
1. 1 answer
2. asked by JT
3. 369 views
If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal?
1. 8 answers
2. asked by Anonymous
3. 1,748 views
Gooluk, the Inuit, is pulling a 62kg sled through the snow on his way home from ice fishing. On the back of the sled is his 50kg
1. 2 answers
2. asked by Anonymous
3. 984 views
minimize z= 5x + 9ysubject to 6x + y >= 18 2x + 3y >= 30 x<= 12 x,y>= 0 find the corner points, ans subject the objective
1. 2 answers
2. asked by sha
3. 540 views
how do i represent 1/(1+x^4) in general taylor polynomial. I know the pattern is 1-x^4+x^8-x^16..... I don't know how to
1. 1 answer
2. asked by eng
3. 426 views
Why are these algebraic expressions used and explain the logical error: Since a = b, then a2 = a * bSubtract b2 from both sides
1. 1 answer
2. asked by JT
3. 418 views
Please help me factor this by grouping. I am stuck.7x^3-35x^2-6x+30
1. 6 answers
2. asked by Joe
3. 549 views
Explain which would be more useful to you if you needed to locate a buried treasure of the position of the treasure.I'm guessin
1. 1 answer
2. asked by Anonymous
3. 454 views
set up the linear programming problem. Do not solve. A brewery manufactures three types of beer-lite, regular and dark. Each vat
1. 0 answers
2. asked by sha
3. 633 views
Could you explain to me how it is possible to run a distance of 1.0 km and have zero displacment.
1. 2 answers
2. asked by Anonymous
3. 394 views
Plot the point and then find three representation of the point (3,2pi/3)
1. 1 answer
2. asked by jesse
3. 403 views
The heat of fusion for water is 80cal/g. The specific heat of liquid water is 1.00cal/g. How many calories of heat are released
1. 1 answer
2. asked by Leah
3. 784 views
the height, h, in meters, of a gold ball t seconds after is is hit can be modelled by the function:h (t) = 4.9t^2 + 32t + 0.2.
1. 2 answers
2. asked by Nish
3. 970 views
How do we determine time interval?We determine time interval by subtracting the final time from the initial time.
1. 2 answers
2. asked by Anonymous
3. 368 views
What is needed for nuclear fusion to occur?pressure, a beta particle or high temperature? I think it's only high temperature and
1. 4 answers
2. asked by Derrick
3. 591 views
if a student scores 58 in a maths exam predict the score they would get in science???Have no idea where to start on this answer
1. 5 answers
2. asked by ANDREW
3. 480 views
If it takes 16 faucets 10 hours to fill 8 tubs, how long will it take 12 faucets to fill 9 tubs?
1. 5 answers
2. asked by Pauline
3. 767 views
If the length of a rectangle is increased by 120%, and its width is decreased by 20%, what happens to the area of the rectangle.
1. 2 answers
2. asked by Pauline
3. 1,678 views
provide any 2 solutions for the equationy=cot(1/2(theta-pi/2))-5 solutions may be in degrees
1. 1 answer
2. asked by aaron
3. 365 views
collect the like termsx-5x
1. 1 answer
2. asked by sally
3. 438 views
Year Cash Flow1 $695,000 2 876,250 3 1,057,500 4 1,238,750 5 1,420,000 1. Calculate the IRR and NPV of this project utilizing a
1. 0 answers
2. asked by Quentin
3. 1,049 views
How do we determine time interval?We determine time interval by subtracting the final time from the initial time.
1. 1 answer
2. asked by Anonymous
3. 340 views
(2m)^4 * (2m)16
1. 4 answers
2. asked by June
3. 302 views
Caleb scored the following on his first four tests: 78, 84, 88, and 82. What is the least grade he can receive on his next test
1. 3 answers
2. asked by david
3. 539 views
3. Which statement is true about the following set of data?18, 17, 21, 24, 21 a.The mean is greater than the median. b.The
1. 1 answer
2. asked by ruslan
3. 710 views
f(x)=2x-3
1. 1 answer
2. asked by De
3. 264 views
An ice cream shop owner recorded these daily sales of ice cream pints at his shop over the last 15 days. (See assignment sheet
1. 1 answer
2. asked by ruslan
3. 468 views
Why might it be appropriate for the government to allow a pharmaceutical company to have a monopoly in the production of a drug?
1. 0 answers
2. asked by Randy
3. 852 views
Radiation from the sun keeps us alive, but with the thinning of the ozone layer, it is important to limit exposure. Most of us
1. 0 answers
2. asked by Nish
3. 782 views
The maximum time, T, in minutes, a scuba diver can rise without stopping for decompression on the way to the surface is modeled
1. 0 answers
2. asked by Nish
3. 757 views
The function C (t) = 0.16t/t^2 + t + 2 models the concentration, C, in milligrams per cubic centimetre, of a drug entering the
1. 0 answers
2. asked by Nish
3. 854 views
How you would expect the following events to affect each type of lag:a. The company imposes a service charge on late payers. b.
1. 0 answers
2. asked by donald
3. 386 views
how do i represent 1/(1+x^4) in general taylor polynomial. I know the pattern is 1-x^4+x^8-x^16..... I don't know how to
1. 1 answer
2. asked by eng
3. 1,220 views
A high-voltage transmission line with a resistance of 0.30 /km carries a current of 1040 A. The line is at a potential of 680 kV
1. 1 answer
2. asked by lo
3. 560 views
Why are there different types of galaxies?
1. 1 answer
2. asked by Magesh
3. 464 views
Original Q: If you pour liquid into a tall, narrow glass, you may hear sound with a steadily rising pitch. What is the source of
1. 2 answers
2. asked by jay
3. 1,894 views
Let A and B be any two points on the plane and O be the origin. Prove that vector AB = vector OB - vector OA.Let x be any other
1. 0 answers
2. asked by Shaila
3. 930 views
I needed to write a well developed compare/contrast paragraph that included 3 points of comparison. It had to have smooth and
1. 1 answer
2. asked by Clarita
3. 559 views
You are considering opening a new plant. The plant will cost $100 million upfront. After that, it is expected to produce profits
1. 1 answer
2. asked by Anonymous
3. 2,399 views
Innovation Company is thinking about marketing a new software product. Upfront cost to market and develop the product are $5
1. 0 answers
2. asked by Anonymous
3. 1,127 views
can you please work this out for me??...your bedroom is 4m (400 cm) long and 3m (300 cm) wide. If you draw a rectangular plan
1. 1 answer
2. asked by lizzie
3. 486 views
a rope 26 ft long is attached to two points A and B, 20 ft apart at the same level. A load of 250lb is carried at the middle of
1. 2 answers
2. asked by josh
3. 909 views
the forces on the table act on a ring but are said to be concurrent. if the cords were rigidly to the ring would the forces
1. 1 answer
2. asked by josh
3. 2,407 views
Simplify 2x+1/2*sqrt(x-2)-2*sqrt(x-2)/(2x+1)^2
1. 0 answers
2. asked by Eileen
3. 306 views
The sum of the first X consecutive even numbers is 930. Find X.10 35 30 41 Explain your solution.
1. 1 answer
2. asked by M.A.
3. 776 views
A constant force of 20N is applied tangentially to a string wound on the rim of a 40 cm diameter wheel, initially at rest.(i)
1. 6 answers
2. asked by Oisin
3. 1,462 views
The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
1. 2 answers
2. asked by jeff
3. 3,715 views
Can you please check if the following sentences are grammatically correct? Thank you very, very much in advance.1) He is a
1. 1 answer
2. asked by Franco
3. 536 views
Which of the following word groups is punctuated correctly?a)It rained every day of our vacation nevertheless, we had a
1. 0 answers
2. asked by JT
3. 499 views
Choose the sentence below that has no errors in pronoun case.a) Sharon and him dtive to Las Vegas at least once a year. b)For
1. 5 answers
2. asked by JT
3. 844 views
(b) Given that Icm = ½MR2 for a uniform solid wheel,(i) show that the rotational kinetic energy is half the translational
1. 2 answers
2. asked by Oisin
3. 636 views
Please helpSolve by the elimination method x+7y=54 -x + 6y=37 The solution is (___,___)
1. 1 answer
2. asked by upbeat
3. 383 views
Costs can be classified into two categories, fixed and variable costs. These costs behave differently based on the level of
1. 0 answers
2. asked by Marie
3. 689 views
solve by the elimination method5x+5y= -7 7x-3y=19 The solution is (___,___) Please help I am lost on how to work and complete
1. 4 answers
2. asked by upbeat
3. 531 views
Which passage is correctly punctuated?a)In the middle if the night. My cat leaped onto mt stomach. b)In the middle if the night,
1. 3 answers
2. asked by JT
3. 473 views
need help setting this problem up: The heat of fusion of water is 335 J/g. How much heat would be required to melt 10.4 g of
1. 1 answer
2. asked by ellen
3. 616 views
A reliable 15-year-old babysitter can be a price maker within her own neighborhood. Suppose that this babysitter wishes to
1. 0 answers
2. asked by James
3. 549 views
Tums is added to 30.0 of 0.400m of HCL , how many grams of CO2gas are produced?
1. 1 answer
2. asked by Patrick
3. 579 views
A USB flash memory drive
1. 1 answer
2. asked by Anonymous
3. 395 views
Please I need to solve this problemUse the elimination method 0.3x -0.2y=4 0.5x + 0.3y=1 Plesae help I am competely lost!!!
1. 1 answer
2. asked by upbeat
3. 400 views
PLEASE HELP!!!!!!!!!!Solve by the elimination method 6x - 9y= 7.5 7y - 2x= -4.5 Please help!!!
1. 2 answers
2. asked by upbeat
3. 489 views
what mass of lead (II) iodide (PbI2, mass= 461 amu)is predictated by the addition of an excess of potassium iodide (KI, mass=166
1. 1 answer
2. asked by Nicole
3. 1,246 views
Use the elimination method to solvex+8y= 47 -x + 4y= 13 The solution is (___,___) Thank you
1. 7 answers
2. asked by upbeat
3. 551 views
solve using the substitution method8x -9y= -95 5x+64=y The solution is (___,___)
1. 2 answers
2. asked by upbeat
3. 492 views
1. Consider the following.f(x)=8x-10 g(x)=x^2-4x+10 (a) Find the points of intersection of the graphs. ANSWER:(2,6) are the
1. 2 answers
2. asked by Jason
3. 535 views
3. Which statement is true about the following set of data?18, 17, 21, 24, 21 1.The mean is greater than the median. 2.The
1. 2 answers
2. asked by ruslan
3. 851 views
solve by the substitution method2m+n=9 m-6n=50 the solution is (___,___)
1. 2 answers
2. asked by upbeat
3. 511 views
Invest $5,000 in a savings account at 6.6% interest compounded monthly
1. 1 answer
2. asked by bob
3. 410 views
Assume you are the financial director of a clinic that is a part of an organization named Getwell Clinics Incorporated. Your
1. 0 answers
2. asked by lisa
3. 489 views
solve using the substitution method6x+2y=-14 -5x+y=25 The solution is (___,___)
1. 1 answer
2. asked by upbeat
3. 356 views
solve using the substitution method8x+6y=8 -9x+y=22 The solution is (___,___)
1. 2 answers
2. asked by upbeat
3. 486 views
what is the area of a square measuring 5 inches on all 4 sides
1. 2 answers
2. asked by barb
3. 483 views
A 1.00 kg particle has the xy coordinates (-1.20 m, 0.500 m) and a 3.00 kg particle has the xy coordinates (0.600 m, -0.750 m).
1. 0 answers
2. asked by Matt
3. 705 views
find 45 divided by 9 by repeated subtraction. Should I repeat by subtracting 9 everytime or 5 everytime?
1. 1 answer
2. asked by barb
3. 836 views
An old Chrysler with mass 1800 kg is moving along a straight stretch of road at 58 km/h. It is followed by a Ford with mass 1400
1. 0 answers
2. asked by Teddy
3. 629 views
FIND THE L.C.D. OF EACH AND EXPRESS THE FRACTIONS OF EACH IN TERMS OF THE L.C.D.
1. 3 answers
2. asked by JACK
3. 414 views
there are five main principles that form the basis of rules that ensure our democratic government. discuss each and present an
1. 1 answer
2. asked by emma
3. 525 views
A sample of sodium-24 with an activity of 12 mCi is used to study the rate of blow flow in the circulatory system. If sodium -24
1. 3 answers
2. asked by Matt
3. 6,154 views
Write the symbols and a balanced nuclear equation for the following:a. Polonium -210 decays to give lead -206 b. Bismuth -211
1. 1 answer
2. asked by Anonymous
3. 2,101 views
A viral contains radioactive iodine -131 with an activity of 2.0 mCi per milliliter. If the thyroid test requires 3.0 mCi in an
1. 2 answers
2. asked by Anonymous
3. 1,129 views
Identify each of the following:These are fractions but I don't know how to type it that way. a. 1X 1 b. 32/15 X c. 0/0 X d.
1. 1 answer
2. asked by Anonymous
3. 326 views
The half-life of oxygen -15 is 124 seconds. If a sample of oxygen -15 has an activity of 4000 becquerels, how many minutes will
1. 1 answer
2. asked by Elisabeth
3. 919 views
What is final concentration of a mixed solution combining 50ml of 20% solution, 150 ml of a 15% solution and 200 ml of a 35%
1. 0 answers
2. asked by Lisa
3. 532 views
need help with these problems:The concentration of glucose in blood is usually about 0.10% (w/v). If 7.0 L of blood are in an
1. 1 answer
2. asked by ellen
3. 1,587 views
A drug is dosed at 100mg/kg/day. The patient weighs 81.64 kg. What is total dose needed?
1. 1 answer
2. asked by Lisa
3. 453 views
How much water at 20 degrees C is needed to melt 1 kg of solid mercury at its melting point which is -39 degrees C? (The heat of
1. 0 answers
2. asked by Anthony
3. 875 views
divide 5 1/2 divied by 4 3/5 answer in simplest form. does simplest form mean a mixed number or decimal? I got an answer of 1
1. 4 answers
2. asked by barb
3. 1,895 views
ADDING LITERS1/2 , 3/4 AND 7/8 SOLUTION; 1/2=4/8, 3/4=6/8 AND 7/8 ANSWER? 14/8 PUZZLE!
1. 1 answer
2. asked by SAMUEL
3. 305 views
Write the condensed structural formula for each of the following molecules:a.ethylcyclopropane b. methylcyclohexane c.
1. 1 answer
2. asked by Elisabeth
3. 1,321 views
Nonane has a density of 0.79 g/mL. and boils at 151 Celcius.a. What is the condensed structural formula of nonane b. Is it a
1. 2 answers
2. asked by Elisabeth
3. 3,017 views
For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone,
1. 2 answers
2. asked by Elisabeth
3. 758 views
For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone,
1. 1 answer
2. asked by Elisabeth
3. 744 views
Give the equation of the line that is perpendicular to the line y=-3+7 and passes through point (0,-6)
1. 1 answer
2. asked by Jenna
3. 399 views
5x^2+4x+6=0, given the graph of y=5x^2+4x+6
1. 1 answer
2. asked by Jenna
3. 335 views

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