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November 29, 2014

November 29, 2014

Post a New Question | Current Questions

**College Physics**

A 42-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 220 J from 460 J. How high does she rise during this interval? Neglect air resistance. The quarter is over but I am still trying to ...
*Thursday, March 15, 2012 at 8:24pm*

**algebra**

At local community college, it costs $150 to enroll in a morning section of an algebra course. Suppose that the variable n stands for the number of students who enroll. Then 150n stands for the total amount of money collected for this course. How much is collected if 34 ...
*Thursday, March 15, 2012 at 7:43pm*

**College Physics**

A 22 turn circular coil of radius 5.00 cm and resistance 1.00 is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.0100t + 0.0400t2, where t is in seconds and B is in...
*Thursday, March 15, 2012 at 1:29am*

**College Physics - Acceleration**

A 1470-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16070 N on the sub, as well as a downward resistive force of 1050 N. What is the submarine's acceleration?
*Wednesday, March 14, 2012 at 9:05pm*

**College Physics - Speed**

Traveling at a speed of 15.6 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.730. What is the speed of the automobile after 1.25 s have elapsed? Ignore the effects of ...
*Wednesday, March 14, 2012 at 9:03pm*

**College Physics - Weight**

A planet has a mass of 7.93 × 1023 kg and a radius of 2.58 × 106 m. (a) What is the acceleration due to gravity on this planet? (b) How much would a 67.0-kg person weigh on this planet?
*Wednesday, March 14, 2012 at 8:58pm*

**College Physics**

A bowling ball (mass = 4.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.35 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other? What equation should I use with this since ...
*Wednesday, March 14, 2012 at 8:56pm*

**Statistics Question (Confidence Interval)**

A sample of 15 recent college graduates found that starting salaries for attorneys in New York City had a mean of $102,342 and a standard deviation of $21,756. Construct a 95% confidence interval for the average starting salary of all attorneys in the city. A. (89869.82, ...
*Wednesday, March 14, 2012 at 11:15am*

**St,gregory's college math**

How can i divide 34by5 leaving answer in decimal
*Tuesday, March 13, 2012 at 6:58pm*

**College Physics**

It takes 164 kJ of work to accelerate a car from 23.7 m/s to 27.8 m/s. What is the car's mass? I tried using this equation but it didn't work KE = 1/2mv^2
*Monday, March 12, 2012 at 10:16pm*

**Math**

In which one of the following sentences is the number written correctly? A. One-hundred and thirty-two people lined up to buy the tickets B. John just paid $33 thousand for his new car C. The parcel of land was advetised a two hundred forty-three and three quarters acres D. ...
*Monday, March 12, 2012 at 6:53pm*

**college math**

1). Sum of three numbers is 45. One number is five more than the second number.It is also twice the third.Find the numbers. 2).Perimeter of quadrilateral is 52in. Longest side is is three times as long as the shortest side. The other two sides are equally long and are 5 in. ...
*Sunday, March 11, 2012 at 8:26pm*

**HELP! College Physics**

A skateboarder shoots off a ramp with a velocity of 6.7 m/s, directed at an angle of 59° above the horizontal. The end of the ramp is 1.1 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the origin the point ...
*Saturday, March 10, 2012 at 4:10pm*

**College Physics**

(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 9.62 m/s when going down a slope for 4.00 s? (b) How far does the skier travel in this time?
*Saturday, March 10, 2012 at 2:47pm*

**college Math**

perform the indicated operation, give answer in scientific notation. (5x10^2)x(5.6x10^4)
*Saturday, March 10, 2012 at 12:32pm*

**Literacy**

2. Utilizing the publication search function on EDSeek's Home page, which of the following companies publishes Pediatric Nursing? A. Royal College of Nursing Publishing Company B. Elsevier Science Publishers C. Jannetti Publications, Inc. D. Advanstar Communications, Inc. ...
*Saturday, March 10, 2012 at 2:10am*

**College Physics**

A proton moves with a velocity of vector v = (6ihat - 1jhat + khat) m/s in a region in which the magnetic field is vector B = (ihat + 2jhat - 3khat) T. What is the magnitude of the magnetic force this charge experiences? answer in Newtons. I tried F=qvb but the vectors are ...
*Saturday, March 10, 2012 at 1:48am*

**college math**

boat travels 160 miles downstream in the same time that it takes to go 96 upstream. the pead of the stream is 6 mph. what is the speed of still water
*Friday, March 9, 2012 at 4:57pm*

**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*

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