Archives
2010
July

Questions Asked on July 20, 2010

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. 6,170 views
The incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation $150. What
1. 2 answers
2. asked by J.T.
3. 6,036 views
From two different tracking stations, a weather balloon is spotted from two angles of elevation, 57degrees and 83 degrees,
1. 6 answers
2. asked by Sonia
3. 5,048 views
you are designing a diving bell to withstand the pressure of sea water at a depth of 250m. a)what is the quage pressure at the
1. 2 answers
2. asked by ted
3. 4,034 views
Two fire stations,P and Q,are 20 km apart. A ranger at station Q sees a fire 15.0 km away. If the angle between the line PQ and
1. 4 answers
2. asked by Nada
3. 3,881 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. 3,728 views
two figure skaters, one weighting 625N and the other 725N,push off against each other on frictionless ice. a) if the heavest
1. 2 answers
2. asked by kris-
3. 3,331 views
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. 3,318 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. 3,033 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. 2,436 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. 2,413 views
1.On a test the mean is 75 and the standard deviation is 5.A. What is the probability that a randomly selected score is higher
1. 4 answers
2. asked by Gerard
3. 2,244 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. 2,129 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. 1,932 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. 1,910 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. 1,909 views
If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal?
1. 8 answers
2. asked by Anonymous
3. 1,754 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. 1,688 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. 1,603 views
a slab of ice floats on a freshwater lake what is the minimum volume must the slab have for a 45kg women to be able to stand on
1. 1 answer
2. asked by paul
3. 1,560 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. 1,489 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. 1,338 views
a solid aluminum ingot weighs 89N in air a)what is the volume b)the ingot is suspended from a rope and totally immersed in
1. 1 answer
2. asked by KELLY
3. 1,305 views
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. 2 answers
2. asked by Nada
3. 1,269 views
I need help with these problems ASAP:I need help setting these problems up: pleas!! (1)Calculate the volume of 1.87 M NaI that
1. 1 answer
2. asked by Priya
3. 1,266 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. 1,261 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. 1,233 views
which of the following values represents an index of refraction of an actual materiala 0 b 1/4 c 1/2 d 5/4
1. 2 answers
2. asked by ski
3. 1,183 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. 1,179 views
a landscape architect plans to enclose a 3000 square foot rectangular region in a botanical garden. she will use shrubs costing
1. 1 answer
2. asked by Tim
3. 1,166 views
1.Why is personal jurisdiction an issue for those who post Websites?2.What are some reasons that a website owner might be
1. 3 answers
2. asked by Jennifer
3. 1,159 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. 1,156 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. 1,142 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. 1,140 views
childrens book for ageProvide the titles, authors, publishers, and copyright dates of five children’s books (appropriate for
1. 2 answers
2. asked by Ms.Dionn
3. 1,134 views
Attach copies of the music or words for four children’ssongs, including two from other cultures. In the spaces below, list the
1. 1 answer
2. asked by Ms.Dionn
3. 1,124 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. 1,065 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. 1,000 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. 981 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. 947 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. 931 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. 922 views
It is difficult to type these but I'll do my best. This is the first question and I just don't get it. My professor is out of
1. 2 answers
2. asked by Drew
3. 918 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. 882 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. 868 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. 867 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. 864 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. 857 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. 844 views
explain darwin theory of evolution. how it was applied to economic races and nation by social Darwinist?
1. 1 answer
2. asked by ami
3. 841 views
A road is inclined at an angle of 9 degrees with the horizontal. After driving 10,000 feet along this road, find the driver's
1. 2 answers
2. asked by Diane
3. 839 views
abc is a right triangle,so <a measures 90
1. 1 answer
2. asked by kisha
3. 826 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. 804 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. 800 views
This is the first in a series of hw pages. If anyone would be able to help me with this one I think I would be able to complete
1. 1 answer
2. asked by Drew
3. 789 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. 785 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. 783 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. 776 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. 773 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. 763 views
"A meter stick is held vertically behind an object on a spring. The object vibrates from the 20cm mark to the 32cm mark on the
1. 0 answers
2. asked by Stuck
3. 752 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. 727 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. 719 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. 707 views
"What happens to the energy associated with a wave after the wave has been damped out?"I'm assuming all the energy is lost by
1. 1 answer
2. asked by Stuck
3. 692 views
This is a backwards Hw. They give us the answers and we have to come up with questions for each. The questions should be about
1. 11 answers
2. asked by Leslie
3. 671 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. 655 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. 654 views
plz check thesesWhen parents ask for advice that you aren’t capable of giving, you should refer them to a A. parent discussion
1. 4 answers
2. asked by Ms.Tina
3. 647 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. 643 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. 626 views
why did karl marx believe capitalism would eventually be destroy? What steps would lead to overthrow and what kind of society
1. 1 answer
2. asked by ami
3. 624 views
I'm attempting to schedule a road test so I can obtain a driver license in New York State. I am currently 17 years old and have
1. 1 answer
2. asked by Anonymous
3. 604 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. 602 views
A car, of total mass 1200 kg, is travelling at 90 km/h and strikes a tree. The front end of the car compresses and the driver
1. 1 answer
2. asked by Oisin
3. 598 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. 589 views
ok I was doing this problemcos^-1 (0) and was like oh that would be pi/2 but then I thought about it some and decided that even
1. 1 answer
2. asked by Calc
3. 589 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. 580 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. 572 views
mars once may have had an ocean 0.50 km deep. the acceleration due to gravity on mars is 0.379g, and we shall assume
1. 0 answers
2. asked by janae
3. 570 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. 563 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. 563 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. 561 views
will someone plz help with this....thanksProvide the titles, authors, publishers, and copyright dates of two picture books
1. 2 answers
2. asked by Ms.Dionn
3. 561 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. 556 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. 551 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. 548 views
which pair of fractions is proportionalA)0.8/0.4=3.2/2 B)0.6/0.3=0.9/0.45 C)0.8/0.4=3.2/2.4 D)0.8/0.4=4/2.4 I thought B was
1. 1 answer
2. asked by barb
3. 548 views
a solid aluminum ingot weighs 89N in air a)what is the volume b)the ingot is suspended from a rope and totally immersed in
1. 1 answer
2. asked by kris-
3. 546 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. 544 views
1.)Most amendments have _____.=a)expanded and clarified the principles embodied in the Constitution b)radically changed and
1. 1 answer
2. asked by Ariel
3. 543 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. 542 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. 538 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. 536 views
Use the discriminant to determine how many real number solutions the equation has1-7a^2=-7a-2
1. 1 answer
2. asked by Jenna
3. 522 views
solve by the substitution method2m+n=9 m-6n=50 the solution is (___,___)
1. 2 answers
2. asked by upbeat
3. 521 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. 518 views
You are a health care professional working in a large office. Your administrator has asked you to prepare a poster summarizing
1. 1 answer
2. asked by linda
3. 512 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. 506 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. 506 views

Back to July 2010

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025