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Homework Help: College

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college math
I am not understading the concept of this problem pleaase help. 5/22divided by 1/41 reduced to the lowest terms
Thursday, March 8, 2012 at 8:42pm

math
enrollment at a college has 8500 students enrolled, there aer 1/3students over 25 as there are under 25. how mant are over 25 how many are under 25
Thursday, March 8, 2012 at 8:04pm

college math
find the lest common denimator and add the fractions 1/125 plus 4/50
Thursday, March 8, 2012 at 7:53pm

college math
find the lest common denominatorfor 1/225 plus 4/50 and add the fractions
Thursday, March 8, 2012 at 7:48pm

college math
14/7 divided by 4/10 reduced to lowest terms
Thursday, March 8, 2012 at 7:38pm

college physics
a 1.0 N-weight is hanging at rest as shown. In each case, write in the magnitude of the unknown force. a) chain with a weight of 2.5 N has a 1.0 N hanging weight b) chain with a weight of .5 N has a 1.0 N hanging weight c) stretched elastic band with negligible weight has a 1....
Thursday, March 8, 2012 at 12:15pm

Catering(Gourmet Essentials)
THURSDAY March 8, 2012 SCHOOL SUBJECTS - Art - Business - Computers - English - Foreign Languages - Health - Home Economics - Math - Music - Physical Education - Science - Social Studies GRADE LEVELS - Preschool - Kindergarten - Elementary School - 1st Grade - 2nd Grade - 3rd...
Thursday, March 8, 2012 at 6:03am

statistics
Question Details The following data was collected to determine whether or not Monroe County College students work 18 hours per week: 20,22,25,12,30,49,10,30,17,15,0,24,20,22​,23,20,25,24,30,12,15,29,0,25,2,40,30,0,​33,0,45,30,38,48,0,40,20,0,0,24. a) Describe the ...
Thursday, March 8, 2012 at 3:47am

Calculus
Glenview Community College wants to build a rectangular parking lot on land bordered on one side by a highway. It has 380 feet of fencing to use on the other three sides. What should be the dimensions of the lot if the enclosed area is to be a maximum?
Thursday, March 8, 2012 at 3:33am

college algebra
3 = 4 ------------- x-8 x=2 how do you solve this
Wednesday, March 7, 2012 at 6:58am

College Algebra
Let U = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, A = {6, 8, 10, 12}, B = {9, 13}, and C = {6, 9, 12, 13, 14}. List all the members of each of the sets. (a) (A ¿ B) ¿ C , (b) A ¿ B ¾ C
Tuesday, March 6, 2012 at 10:53am

College Physics Help
A thin rod (length = 1.10 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. The mass of the rod may be ignored, compared to the mass of the object fixed to the top of the rod. The rod, starting from rest, tips over and ...
Monday, March 5, 2012 at 7:04pm

College Physics
Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.1x10-8m, and a tangential speed at the rim of 2.0x10-5 m/s. (a) What is the angular speed (the magnitude of the angular ...
Monday, March 5, 2012 at 6:55pm

Algebra
Consider the following apportionment problem for College Town. Suppose each council member is to represent approximately 2,500 citizens. Use the apportionment plan requested in the problem, assuming there must be 10 representatives. North: 5,500 South: 9,000 East: 6,400 West: ...
Monday, March 5, 2012 at 5:48pm

algebra
grandma ploan to finance her grandchilds college education she has 50,000 to invest use a long range investment pln ,cd,saving bond etc. the plan is to earn compound interest.the principal is(p)50,000 interest rate is (r)3.60years for investment is(6)this is time state number ...
Monday, March 5, 2012 at 3:29pm

College Physics
A 26.5 kg block (m1) is on a horizontal surface, connected to a 6.90 kg block (m2) by a massless string. The frictionless pulley has a radius R = 0.096 m and a moment of inertia I=0.080 kgm2 m2 is hanging straight down from the pulley over the edge of the surface. A force F = ...
Monday, March 5, 2012 at 12:19am

com/156
Part 2: Paraphrasing and Quoting Review the following passage and paraphrase the long passage in the following box. Use the reference to create an appropriate APA-formatted, in-text citation. Additionally, include one direct quotation. One of the most valuable skills a student...
Sunday, March 4, 2012 at 8:21pm

Probability
Thank you for the explanation MathMate! Would the answer to this question be A? Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her ...
Sunday, March 4, 2012 at 6:56pm

college algebra
solve the logarithmic equation. Please show all work. log5x+log5(x-3)=log5(x+5)
Sunday, March 4, 2012 at 4:33pm

college algebra
use properties of logarithms to find the exact value of the expression. sqrtlog81 3
Sunday, March 4, 2012 at 4:31pm

college algebra
solve the equation below. Please show all work. log3(x/2-9)=4
Sunday, March 4, 2012 at 4:29pm

Highline Community College
Suppose that the marginal revenue for a product is given by the following, where x is the number of units and revenue is in dollars. MR = −28 (2x + 2)2 + 28 Find the total revenue.
Sunday, March 4, 2012 at 4:23pm

Probability
Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78 Explanation please??
Sunday, March 4, 2012 at 2:28pm

Probability
Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78
Sunday, March 4, 2012 at 2:02pm

Math
Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78
Sunday, March 4, 2012 at 1:42pm

writing paper
I need to add a cover page to my writing assinment. I can not find any information on what I include in the cover page. This is for Penn Foster College.
Sunday, March 4, 2012 at 9:38am

Math
Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78 Is it B?
Saturday, March 3, 2012 at 10:28pm

College Chem 2
which of the following has the highest buffer capacity? A 0.10M H2PO4-/0.10M HPO4 -2 B 0.50 M H2PO4-/0.10 M HPO 2- C 0.10 M H2PO4-/0.50 M HPO4 2- D 0.50 M H2PO4-/0.50M HPO4 2- E They all hae the same buffer capacity. There is a group of us working together.
Saturday, March 3, 2012 at 5:31pm

statistics
You and three (3) of your friends were in the same advance placement high school chemistry class in high school. All four (4) of you decided to take the same chemistry class together at the local university along with 21 other students. On the first day of class, the professor...
Saturday, March 3, 2012 at 3:29pm

College Chem 2
calculate the solunility of silver chromate, Ag2CrO4, in 0.005 M NA2CrO4- Ksp=2.6x10-12 Please help.....
Saturday, March 3, 2012 at 1:26pm

COLLEGE CALCULUS.
Use implicit differentiation to find the equation of the tangent line to the curve xy^3+xy=5 at the point (4,1) . The equation of this tangent line can be written in the form y = mx+b where m is:? and where b is:?
Friday, March 2, 2012 at 10:07pm

American Gov't
Which statement is NOT true about Congress? 1.)It was originally intended to be an elite governing body 2.)The vast majority of its members have college degrees 3.)The age requirement is the same for both houses 4.)Most members are lawyers
Friday, March 2, 2012 at 2:11pm

Basic Statistics
In each of the following situations state whether or not the given assignment of probabilities to individual outcomes is legitimate, that is, satisfies the rules of probability. If not, give a reason a) roll a die and record the count of spots on the up-face P(1)=0 P(2)=1/6 P(...
Friday, March 2, 2012 at 1:35pm

college implicit HELP!
I WANNA KNOW I'M DOING RIGHT. Find the slope of the tangent line to the curve √(3x+2y) + √(4xy)=11.6 at the point (6,4). THAT WHAT I DID: (3x+2y)^1/2+(4xy)1/2=11.6 next step: 1/2(3x+2y)^-1/2*y'+1/2(4xy)*y=0 y'= -(3x+2y)/(4xy) right?
Thursday, March 1, 2012 at 10:50pm

3 grade english
when you read you can somethimes make a general statement, or generalization,about inividual ideas in the text. a generalization tells how ideas are mostly alike or all alike. directions read the following passage. people of all ages can play basketball young children join ...
Thursday, March 1, 2012 at 6:38pm

college math
finding the square x^2+16x=0
Thursday, March 1, 2012 at 3:42pm

college calculus
how do i solve sin(x)+2cos(2x)=0
Wednesday, February 29, 2012 at 11:48pm

3 grade english
graphic sources are sources of information such as maps charts illustractions,and captions. graphic sources help us understand information in a text,or they can provide information on their own. directions read the following chart. then answer the questions. michael jordan ...
Wednesday, February 29, 2012 at 6:16pm

COLLEGE CALCULUS. HELP!
i dont know how to start this problem. i dont like cos and sin. im so confuse. 1.f(x)=sin(sin(x)), find f'(x) 2.f(x)= 4sin^4x, find f'(x). this problem i couldnt find it in my math book. i never see it before. because of sin exponent 4 -->sin^4
Tuesday, February 28, 2012 at 9:29pm

strayer
You and three (3) of your friends were in the same advance placement high school chemistry class in high school. All four (4) of you decided to take the same chemistry class together at the local university along with 21 other students. On the first day of class, the ...
Tuesday, February 28, 2012 at 4:39pm

COLLEGE CALCULUS. HELP!
1. If f(x)=tan3x, find f'(x) and f'(3). 2. let f(x)=3cos(cosx), find f'(x). i got stuck. i dont know im doing it right way, f'(x)=tan3x*1
Tuesday, February 28, 2012 at 3:12pm

college algebra
A triangle is bounded by the x-and y-axes and must pass through P(2,2) a.) find the area of the triangle as a function of x (Hint: let C be the point (0,2) and D be the point (2,0). Use the fact that ACP and PDB are similar triangles.) b.) What is the domain of the function ...
Tuesday, February 28, 2012 at 2:52pm

college algebra
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln is shown for various times (in minutes) in the following table. Time(min) Temperature (F) 15 2200...
Tuesday, February 28, 2012 at 2:52pm

college algebra
A rectangle is bounded by the x-and y- axes and the graph of y = -1/2x + 4. a.) Find the area of the rectangle as a function of x. b.) Complete the following table x area 1 2 4 6 7 c.) What is the domain of this function?
Tuesday, February 28, 2012 at 2:51pm

college algebra
A magazine company had a profit of $98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of $117,500. Assume that the profit P is a linear function of the number of subscribers s. a.) Find the function P b.) What will the profit ...
Tuesday, February 28, 2012 at 2:50pm

college algebra
A magazine company had a profit of $98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of $117,500. Assume that the profit P is a linear function of the number of subscribers s. a.) Find the function P b.) What will the profit ...
Tuesday, February 28, 2012 at 12:57pm

college algebra
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln is shown for various times (in minutes) in the following table. Time(min) Temperature (F) 15 2200...
Tuesday, February 28, 2012 at 12:50pm

college algebra
A triangle is bounded by the x-and y-axes and must pass through P(2,2) a.) find the area of the triangle as a function of x (Hint: let C be the point (0,2) and D be the point (2,0). Use the fact that ACP and PDB are similar triangles.) b.) What is the domain of the function ...
Tuesday, February 28, 2012 at 12:45pm

college algebra
A rectangle is bounded by the x-and y- axes and the graph of y = -1/2x + 4. a.) Find the area of the rectangle as a function of x. b.) Complete the following table x area 1 2 4 6 7 c.) What is the domain of this function?
Tuesday, February 28, 2012 at 12:42pm

college algebra
Can anyone please help me with this? for the function f(x) =1/x....f(x)is increasing on the interval(s) and f(x) is decreasing on the interval(s)???
Tuesday, February 28, 2012 at 10:53am

college algebra
suppose the revenue in dollars from selling x cell phones is R(x)= -1.2x^2+220x. the cost in dollars of selling x cell phones is C(x)=0.05x^3-2x^2 +65x+500. find the profit function P(x)=R(x)-C(x). find the profit if x=15 hundred cell phones sold
Monday, February 27, 2012 at 5:18pm

college algebra
A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. express the amount of material required to make the drum as a function of the radius r of the cylinder. also how much material is required if the drum is of radius 3 feet?
Monday, February 27, 2012 at 3:28pm

stats
please help How do you construct a pay of table?????? . Dr. Mike Adams, a local brain surgeon, believes there is a lot of money to be made renting apartments to students here in Alamosa. He is considering constructing one, two, or possibly three apartment complexes, each of ...
Monday, February 27, 2012 at 9:05am

college
Joan wants to start an IRA that will have $250,000 in it when she retires in 21 years. How much should she invest annually in her IRA to do this if the interest is 16% compounded quarterly?
Monday, February 27, 2012 at 12:28am

COLLEGE CALCULUS. HELP!
1. If f(x)=sin(x^2), Find f'(x) and f'(1) 2. If d/dx(f(3x^3))=9x^2, Calculate f'(x). 3. Let f(x)=cos(6x+6), find f'(x) 4. Let f(x)=-2sec(2x), find f'(x)
Monday, February 27, 2012 at 12:21am

COLLEGE CALCULUS.
i don't understand this problem Let F(x)=f(x^4) and G(x)=(f(x))^4. You also know that a^3=2, f'(a)=13, f'(a^4)=15. Find F'(a) and G'(a).
Monday, February 27, 2012 at 12:16am

college
Assignment Testing a Theory Write at least 300 words describing a time when you had to test a theory. This theory may be something you have tested at work, school, or even at home. Answer the following questions in your summary: • What type of informal research method did...
Sunday, February 26, 2012 at 10:33pm

college chemistry
A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal behavior) is:
Sunday, February 26, 2012 at 9:22pm

Problem with 2 English sentences (French student)
Bonjour! Dans un livre, j'ai lu cette phrase (je précise que l'auteur parle d'une situation présente aux États-Unis): Starbucks promised to create a new line of three fair-trade-certified whole-bean coffees (and four more under its Seattle'...
Sunday, February 26, 2012 at 10:18am

college algebra
Write in y=mx+b form the line perpendicular to 5x-y=2 passing through (10,-2)
Sunday, February 26, 2012 at 2:37am

college algebra
Given f(x)= x^2-3+2 and g(x)=2x-4 find (fg)(-3)
Sunday, February 26, 2012 at 2:35am

college algebra
Given f(x) = sqrt of x+4 and g(x) = 1/x find (gof)(x).
Sunday, February 26, 2012 at 2:29am

COLLEGE CALCULUS. HELP!
Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3
Sunday, February 26, 2012 at 1:43am

homework college chem.
a sample of gas occupies a volume at 73. 1 mL. As it expands, it does 135.0 J of work on its surroundings at a constant pressure of 783 torr. what is the final volume of gas?
Sunday, February 26, 2012 at 12:58am

College Physic I
A student (m = 66 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From ...
Saturday, February 25, 2012 at 11:25pm

COLLEGE CALCULUS. HELP!
Let f(x)=(-3x^2+6)^4(9x^2+7)^14, Find f'(x). f'(x)= (-3^2+6)^4 d/dx(9x^2+7)^14+(9x^2+7) d/dx(-3x^2+6)^4 =(-3x^2+6)x14(9x^2+7)^13 d/dx(9x^2+7)+(9x^2+7)^14x4(-3x^2+6)^3 d/dx(-3x^2+6) =14(-3x+6)^4(9x^+7)^13 (18x)+ 4(9x^2+7)(-3x^2+6)^3 (-6x)
Saturday, February 25, 2012 at 9:50pm

College Physic I
A space probe is traveling in outer space with a momentum that has a magnitude of 4.99 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.87 x 106 N and a direction opposite to the probe's motion. ...
Saturday, February 25, 2012 at 8:48pm

college algebra
find the asymptotes of the function F(x) = 7- ln(x-5)
Saturday, February 25, 2012 at 6:57pm

college Calculus Help!
Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3 ---> i hate trig. 3. y=4sec5x 4. y=xsin√x
Saturday, February 25, 2012 at 4:55pm

college Calculus Help!
Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3 ---> i hate trig. 3. y=4sec5x 4. y=xsin√x
Saturday, February 25, 2012 at 4:42pm

english - Writeacher?
Can someone look over my defitional essay. I'm comparing traditional versus modern family and using the reality tv as my examples arguing that modern is better. Using my own definition. Would like to know if the sentences are in the essay are okay. I am not good at wording...
Saturday, February 25, 2012 at 3:03am

Math
Kelly plans to put her graduation money into an account and leave it there for 4 years while she goes to college. She receives $750 in graduation money and she puts it into an account that earns 4.25% interest compounded semi-annually. How much will be in kelly's account ...
Friday, February 24, 2012 at 12:47pm

college algebra
Given f(x)=sqrt x+4 and g(x)= 1/x find (fog)(x)
Friday, February 24, 2012 at 11:43am

college algebra
Given f(x)= 3x^2+x-30 and g(x)=x-3 find f(x)-g(x)
Friday, February 24, 2012 at 11:34am

Axia College
Need help with solving the double equation problem. 3x + 2y = 3 9x - 8y = -2
Thursday, February 23, 2012 at 11:47pm

college/ pre-cal
a square fence 9 feet high enclosing a radio tower is 3 feet from the tower on all 4 sides. guy wires used to hold the tower in position are attached to the tower 30 feet above the ground and 13 feet from the fence on all 4 sides. How long are the guy wires to the nearest foot.
Thursday, February 23, 2012 at 9:26pm

to Ms.Sue
Thank you so much. I bet when I'm in college I will still need your help!
Thursday, February 23, 2012 at 7:47pm

college algebra
Find the vertex for f(x)=-5x^2-6x=3
Thursday, February 23, 2012 at 7:13pm

college algebra
Find the maximum or minimum for f(x)=3x^2+x+1
Thursday, February 23, 2012 at 6:31pm

college algebra
given f(x)=4x-5, g(x)= x+5 over 4 Find (fog)(x). are these inverse functions?
Thursday, February 23, 2012 at 6:30pm

College Physics
A Fraunhofer diffration pattern is produced on a screen 210cm from a single slit. The distance from the center of the central maximum to the first-order maximum is 7560 times the wavelength (lambda). Calculate slit width. Answer in __m
Thursday, February 23, 2012 at 6:17pm

College Physics
The lines in a grating are uniformly spaced at 1530 nm. Calculate the angular separation of the second order bright fringes between light of wavelength 600nm and 603.11nm. Answer in __mrad
Thursday, February 23, 2012 at 6:15pm

college alg
A meat market has ground beef that is 40% fat and extra lean ground beef that is 15% fat. How many pounds of each(ground beef and extra lean) must be together to get total of 50 pounds of "lean" ground beef that is 25% fat?
Thursday, February 23, 2012 at 5:37pm

reading skills
) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade science, I have some experience with the faces and ...
Thursday, February 23, 2012 at 1:32pm

College Algebra 1050
Assume you are on a planet with a gravity constant g (instead of 32 feet per second squared) and a speed of sound c (instead of 1100 feet per second), and that you hear the impact of the rock after t seconds. Then the depth of the well is x feet, where your answer depends on g...
Wednesday, February 22, 2012 at 10:41pm

college algebra
what is 5/a-3b/a^2
Wednesday, February 22, 2012 at 5:39pm

College Chemistry
C6H6(l) + Cl2(g) --> C6Cl6(s) + HCl(g) Consider the unbalanced equation above. What is the maximum mass of each of the products that can be formed when 72.5 g of C6H6 and 49.0 g Cl2 react?
Wednesday, February 22, 2012 at 2:12pm

College Geology
assume that a particular radioactive-isotope has a half-life of 100 million years. Also assume that the parent isotope is incorporated into the minerals found in igneous rocks and that the only daughter atoms in the rock formed from the decay of the parent isotope. ...
Wednesday, February 22, 2012 at 12:39pm

college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between the container and the...
Wednesday, February 22, 2012 at 1:28am

college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between the container and the...
Wednesday, February 22, 2012 at 1:27am

college physic
A solid cylindrical rod made from a center cylinder of lead and an outer concentric jacket of copper.Except for its ends,the rod is insulated,so that the loss of heat from the curved surface is negligible.When a temperature difference is maintained between its ends,this rod ...
Wednesday, February 22, 2012 at 1:23am

Math 208
Question number 5 is talking about a public four-year college. So we know this: 2000-$3,500 2001-$3,700 2002- ? 2003- ? 2004-? 2005-$5,100 Repeating exercise 1-4 it is talking about private four-year college. So we know this: 2000-$16,200 2001-$17,300 2002- ? 2003- ? 2004- ? ...
Tuesday, February 21, 2012 at 7:10pm

law
Identify and analyze the different crimes for which students are most at risk for in K-12, include some of the differences in victimization found across elementary, middle school, high schools, and college. why you think these crimes occur within the schools. Mention at least ...
Tuesday, February 21, 2012 at 7:07pm

law
In your opinion should there be a specific curriculum included in school and college syllabus which would teach students on interpersonal cohesiveness?
Tuesday, February 21, 2012 at 6:40pm

college algebra
Find the domain of the function. q(s) = sqrt of 81-s^2
Tuesday, February 21, 2012 at 12:53am

college algebra
t(x)=2x^2-1, Find t(2/3)
Monday, February 20, 2012 at 6:44pm

law
Identify and analyze the different crimes for which students are most at risk for in K-12, include some of the differences in victimization found across elementary, middle school, high schools, and college. Provide reasons why you think these crimes occur within the schools. ...
Monday, February 20, 2012 at 12:12am

College Math
Natasha drove from Bedingsfield to Portsmouth at an average speed of 100 km/h to attend a job interview. On the way back she decided to slow down to enjoy the scenery, so she drove at just 75 km.h, Her trip involved a total of 3.5 hours of driving time. What is the distance ...
Sunday, February 19, 2012 at 9:05pm

Algebra
Gymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars) for a run of x pairs of cleats is C(x) = 3000 + 9x + 0.1x2 (0 ≤ x ≤ 500). Gymnast Clothing sells the cleats at $130 per pair. Find the ...
Sunday, February 19, 2012 at 9:03pm

College Math
Only 43% ofthe carbon-14 in an artifact remains. How old is the artifact? Would the answer be less than the half life?
Sunday, February 19, 2012 at 7:57pm

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