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. 6,236 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. 6,083 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. 5,116 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. 4,081 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. 3,958 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. 3,760 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. 3,388 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. 3,375 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. 3,088 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. 2,486 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. 2,470 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. 2,302 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. 2,194 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. 1,982 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. 1,972 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. 1,945 views
If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal?
1. 8 answers
2. asked by Anonymous
3. 1,785 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. 1,736 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. 1,662 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. 1,607 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. 1,554 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. 1,385 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. 1,340 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. 1,336 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. 1,333 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. 1,322 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. 1,287 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. 1,228 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. 1,222 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. 1,220 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. 1,215 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. 1,213 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. 1,196 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. 1,189 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. 1,185 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. 1,168 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. 1,111 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. 1,050 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. 1,041 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. 998 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. 992 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. 965 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. 953 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. 926 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. 918 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. 915 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. 913 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. 908 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. 904 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. 880 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. 877 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. 855 views
abc is a right triangle,so <a measures 90
1. 1 answer
2. asked by kisha
3. 855 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. 847 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. 844 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. 835 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. 832 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. 827 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. 824 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. 821 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. 813 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. 773 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. 771 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. 771 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. 731 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. 722 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. 709 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. 700 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. 696 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. 693 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. 660 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. 658 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. 658 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. 656 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. 652 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. 634 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. 626 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. 625 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. 623 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. 614 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. 612 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. 608 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. 606 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. 603 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. 602 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. 600 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. 600 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. 592 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. 586 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. 586 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. 585 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. 578 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. 568 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. 567 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. 567 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. 566 views
solve by the substitution method2m+n=9 m-6n=50 the solution is (___,___)
1. 2 answers
2. asked by upbeat
3. 562 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. 560 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. 553 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. 543 views

Back to July 2010

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025