Sunday

April 20, 2014

April 20, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**geometry**

You eat a new kind of fruit and suffer from hives for the first time in your life. A week later, you try the fruit and the hives recur. A month later, you have a similar experience. Conclusion:
*Thursday, March 6, 2014 at 8:11pm*

**Math**

You're also using the same computer. What are the first 6 multiples of 35?
*Thursday, March 6, 2014 at 6:56pm*

**english**

The bee is not afraid of me, I know the butterfly; the pretty people in the woods Receive me cordially. The brooks laugh louder when I come, The breezes madder play. Wherefore, mine eyes, thy silver mists? Wherefore, O summer's day? 1. what makes this poem a lyric? a. It ...
*Thursday, March 6, 2014 at 5:48pm*

**English**

A seat might not be a chair but places on a couch or bench or two car seats for children left in the corner to be picked up by grandmother when she comes to take them to the concert I suppose. Listen carefully in hearing could be listen carefully in the budget hearing before ...
*Thursday, March 6, 2014 at 5:11pm*

**LA check answers? **

Midnight by Sara Holbrook When it’s Sunday and it’s midnight, the weekend put back in its chest, 5 the toys of recreation, party times and needed rest. When I lie in wait for Monday 10 to grab me by the ear, throw me at the shower, off to school and when I hear the ...
*Thursday, March 6, 2014 at 3:29pm*

**algebra 1**

Given the data, you should get a piece of graph paper (or use excel or some other graphing program) and plot the points with time on the x-axis and temperature on the y-axis. You will probably get a graph that looks something like this...
*Thursday, March 6, 2014 at 2:07pm*

**Maths**

Separate 178 into two parts such that the first part is 8 less than twice the second part. Explain!
*Thursday, March 6, 2014 at 12:02pm*

**math**

21 + 19 + 17 ... a (a+d) (a + 2d) ..... a+7d eight terms where a = 21 and d = -2 arithmetic series sum of first 8 = (8/2) (42 + 7(-2) ) = 4 (42 - 14) = 4 (28) = 112
*Thursday, March 6, 2014 at 11:29am*

**math**

Tn = a + a+d + a+2d .... + a +(n-1) d T3 = a +2d T8 = a + 7 d so a + 2d = 2 (a+7d) a + 2d = 2 a + 14 d a + 12 d = 0 a = -12 d sum of first 25 = (n/2)[ 2a +(n-1)d ] = (25/2) [ -24 d + (24) d ] LOL !!! = 0
*Thursday, March 6, 2014 at 11:23am*

**mathematics **

MATHEMATICS PLEASE HELP ME!!! In an arithmetic series the 3rd term is twice the 8th term find the first 25 terms
*Thursday, March 6, 2014 at 10:43am*

**math**

In an arithmetic series the 3rd term is twice the 8th term. Find the sum of the first 25 terms.
*Thursday, March 6, 2014 at 9:40am*

**pre-calculus**

147b^3-35b^2-19b+3 = 0 Since 147 = 7*7*3, I'd try using those coefficients first, since the inside coefficients are relatively small. A little playing around shows that T(b) = (7b-1)(7b-3)(3b+1)
*Thursday, March 6, 2014 at 12:27am*

**Chemistry**

Someone got happy with the instructions. Verbose I think. And you can't do this with the coefficients? Here is the first one. You have 10.9 mols N2 if I read that table right. You want to know mols N2H4. 10.9 mol N2 x (2 mols N2H4/3 mols N2) \ 10.9 x 2/3 = ? Or from N2 to ...
*Wednesday, March 5, 2014 at 11:13pm*

**math**

I'll show you how to do the first two problems. -n+8n=35 7n = 35 7n/7 = 35/7 n = 5 4x-7-7x=-1 -3x - 7 = -1 -3x - 7 + 7 = 7 - 1 -3x = 6 x = -2 Take it from there.
*Wednesday, March 5, 2014 at 9:24pm*

**Physics**

distance engineer moved = 500 m = .5 km average speed = (84.2 +16.4)/2 = 50.3 km/hr (during constant acceleration you can use the average of first and last for the distance and time) time = distance/speed = .5km / 50.3 km/hr = .00994 hours * 3600 = 35.8 seconds
*Wednesday, March 5, 2014 at 8:51pm*

**Math**

When Christy made tortillas for the first time, she used all the dough to make 10 tortillas. After making quesadillas, she decided that the tortillas were not large enough. The next time, using the same amount of dough, she made each tortilla the same thickness but 25% larger...
*Wednesday, March 5, 2014 at 8:11pm*

**Ethics**

I agree with your first answer, but not your second answer.
*Wednesday, March 5, 2014 at 6:27pm*

**poem**

Your rhymes don't rhyme. It's hard to rhyme John. How about making your first line -- Here's a boy named Johnny Who never had much money.
*Wednesday, March 5, 2014 at 5:47pm*

**physics**

A dust particle carrying a charge of is 2 mm to the left of another dust particle carrying a charge of . Find the magnitude and direction of the elec- tric force on the first particle.
*Wednesday, March 5, 2014 at 5:38pm*

**Math.**

the first one I am sure is a. Scroll down and look at where this was posted a few minutes ago.
*Wednesday, March 5, 2014 at 4:14pm*

**Algebra**

A Piece of rope that is 63 meters long is cut into three pieces such that the second piece is twice as long as the first and the third piece is three meters longer than the second. Find the length of each piece. 2x+3x+x=63 --------------------------- need to be more orderly ...
*Wednesday, March 5, 2014 at 3:44pm*

**social studies**

I suspect Scandinavia. Sweden settled Delaware first but I wonder why the Dutch in New York are left out. http://www.colonialswedes.org/History/History.html
*Wednesday, March 5, 2014 at 3:29pm*

**Algebra**

Erin has three more dimes than nickles and twice as many quarters as dimes. she has a total of $5.05 How many of each type of coin does Erin have 5.05= 2q-d-3d-n A Piece of rope that is 63 meters long is cut into three pieces such that the second piece is twice as long as the ...
*Wednesday, March 5, 2014 at 3:28pm*

**social studies **

The first immigrants to the United States were mainly from England, Scotland, Ireland, Germany, and? a. Russia. b. Italy. c. Scandinavia. d. Greece I think its either A or C please help
*Wednesday, March 5, 2014 at 3:23pm*

**mathematis**

I guess the first term is -4 and the difference is a = 3 Term n = term 1 + (n-1) a Term n = -4 + (n-1) 3 for example Term 3 = -4 + 2(3) = 2 , good, that works so Term n = -4 + (n-1)3 = 74 3(n-1) = 78 n-1 = 26 n = 27
*Wednesday, March 5, 2014 at 3:07pm*

**science**

Since this is not my area of expertise, I searched Google under the key words "newtons first law" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=newtons+first+law&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
*Wednesday, March 5, 2014 at 2:30pm*

**English III**

Neat People vs. Sloppy People By Suzanne Britt I’ve finally figured out the difference between neat people and sloppy people. The distinction is, as always, moral. Neat people are lazier and meaner than sloppy people. Sloppy people, you see, are not really sloppy. Their ...
*Wednesday, March 5, 2014 at 12:36pm*

**Math help**

set everything to zero, then you can factor. #4 6s^2-17s+12 = 0 You know the factors will look like (6x-?)(x-?) or (3x-?)(2x-?) So, since -17 is fairly large, we will probably have the first (6s-3)(s-4) gives -27s too big (6s-4)(s-3) gives -22s still too big (6s-6)(s-2) gives...
*Wednesday, March 5, 2014 at 11:58am*

**math**

sales for the first four months of the year were as follows: jan.5282 feb.4689 mar.3029 apr.6390 find he average monthly sales.(round off your answer to the nearest dollar.
*Wednesday, March 5, 2014 at 10:55am*

**chemistry**

Raise your deductibles. A deductible is the cash which have to come from the own pocket after having a reduction prior to anything comes from the insurance QuotesChimp's. Medical insurance policy usually will get a money200 deductible, this means before any benefits are ...
*Wednesday, March 5, 2014 at 8:22am*

**college physics 1**

Reviewing Interactive Solution 5.46 will help in solving this problem. A stone is tied to a string (length = 1.29 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next...
*Wednesday, March 5, 2014 at 3:36am*

**science**

Whta is newtons first law?
*Wednesday, March 5, 2014 at 12:04am*

**AED**

This is the first page of what I found at National Access Network website. 1 SOUTH DAKOTA Char Gatje, Director of Research South Dakota Education Association I. GENERAL BACKGROUND State The current state aid formula was passed by the 1995 legislature and is based on a per ...
*Tuesday, March 4, 2014 at 11:47pm*

**algebra**

amount invested at 5% --- x amount invested at 8% --- y x+y = 5000 (5/100)x + (8/100)y = 331 times 100 5x + 8y = 33100 first equation times 5 5x + 5y = 25000 subtract them: 3y = 8100 y = 2700 take over....
*Tuesday, March 4, 2014 at 11:31pm*

**algebra**

Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
*Tuesday, March 4, 2014 at 11:14pm*

**physics**

A stone is tied to a string (length = 1.25 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next, the circle is vertical. In the vertical case the maximum tension in ...
*Tuesday, March 4, 2014 at 10:19pm*

**Still waiting for help...**

How did the cultural contact between Europeans and the First Nations affect the ways of life of people who lived on the Rupert river?
*Tuesday, March 4, 2014 at 9:52pm*

**algebra (solve for y)**

woops there is a 2 in front of the first e&(2y). Proper equation: 0=2e^(2y)-e^(y)
*Tuesday, March 4, 2014 at 9:47pm*

**Algebra 2**

(1,4),(6,-6)= y=(1/2)x-(3/4) m = (-6 -4)/(6-1) = -10/5 = -2 so your m = +1/2 check x ---> (1+6)/2 = 7/2 y ---> (4-6)/2 = -1 so (7/2 , 1) 1 = (1/2)(7/2) + b 4/4 = 7/4 + b b = -3/4 y = (1/2) x - 3/4 I like your first answer
*Tuesday, March 4, 2014 at 9:01pm*

**Hstory help asap**

How did the cultural contact between Europeans and the First Nations affect the ways of life of people who lived on the Rupert river?
*Tuesday, March 4, 2014 at 7:52pm*

**Math**

divide first row by 8 to get 1 in upper left 1 1/4 -17/2 add 7 times new first row to second to get 0 below the one 1 +1/4 -17/2 0 +3/4 -9/2 subtract 1/3 times row 2 from row 1 to get rid of that 1/4 in row 1 1 0 -7 0 3/4 -9/2 multiply second row by 4/3 to get 1 in 2,2 spot 1 ...
*Tuesday, March 4, 2014 at 7:51pm*

**History**

Are you asking about the first nations of Canada or the first nations in the world? Or somewhere else?
*Tuesday, March 4, 2014 at 7:40pm*

**History**

Where did the first nations settle ?
*Tuesday, March 4, 2014 at 7:36pm*

**health**

Now think about each of those. The only one that is hindered by exercise is the first, diabetes
*Tuesday, March 4, 2014 at 7:34pm*

**algebra**

A = 450 - C 70A + 40C = 27750 Substitute 440-C for A in second equation and solve for C. Insert that value into the first equation and solve for A. Check by inserting both values into the second equation.
*Tuesday, March 4, 2014 at 3:45pm*

**help**

can anyone answer this...if you want me to try first i came up with the answer A. for the following question Which of the following best describes a way in which the United States has helped the Mexican economy to grow? A.allowing Mexican workers in the United States to send ...
*Tuesday, March 4, 2014 at 3:10pm*

**Chemistry Help Please!!!**

Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H+ + H2BO3, Ka1 = 7.3 x 1010; the second dissociation step is: H2BO3 ⇌ H+ + HBO32, Ka2 = 1.8 x 1013; and the...
*Tuesday, March 4, 2014 at 6:49am*

**Chemistry**

Divide the titration curve into 4 parts. a. beginning b. between beginning and eq pt. c. eq pt d. after eq pt. First, determine mL to eq pt. mLacid x M aci = mL base x M base and that determination tells you how to divide into the four part. a.......... HClO ==> H^+ + ClO...
*Tuesday, March 4, 2014 at 12:08am*

**AP Chemistry**

mmols HCl = 252 mL x 2.5M = about 630 mmols Ba(OH)2 = 343 x 2.8 = about 960 but you should confirm all of the calculations Some are estimates. 2HCl + Ba(OH)2 ==> BaCl2 + 2H2O First, which is the limiting reagent (LR) Convert mmols HCl to mmols BaCl2. That's 630 x (1 mol...
*Monday, March 3, 2014 at 11:13pm*

**physics**

A 4.4kg ball with a velocity of 4.6m/s in the +x-direction collides head-on elastically with a stationary 2.1kg ball. Part A What is the speed of the first ball after the collision? Part B What is the direction of the velocity of the first ball after the collision? What is the...
*Monday, March 3, 2014 at 10:47pm*

**Science- Brady , Ms. Sue , Damon**

Also, try looking the question up on Google. I found Open Study on the first page as the first site. Hope this again, helps! :)
*Monday, March 3, 2014 at 8:49pm*

**Math**

A family left their house in two cars at the same time. One car traveled an average of 7 miles per hour faster than the order. When the first car arrived at the destination after 5 1/2 hours of driving, both cars had driven 599.5 miles. If the second car continues at the same ...
*Monday, March 3, 2014 at 8:36pm*

**please check(Social studies)**

Only the first one (11) is right. Please read your book carefully.
*Monday, March 3, 2014 at 8:31pm*

**Math**

oh, please. What is the first and most fundamental trig identity you ever learned? cos^2 + sin^2 = 1 right? Time for the duhh! and head slap.
*Monday, March 3, 2014 at 7:14pm*

**Please help Math**

a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos 3pi/8(Radians)
*Monday, March 3, 2014 at 6:16pm*

**Chemistry 2**

This is a first order reaction and will be answered by using Damon's answer to the second order question.
*Monday, March 3, 2014 at 6:10pm*

**Science -Check Answers-**

first is ok second no by conservation of momentum the velocity will remain the same until an outside force ACCELERATES it F = m A
*Monday, March 3, 2014 at 6:05pm*

**Chemistry 2**

IVan, the first order reaction done exactly the way Damon worked that problem for you earlier. However, I don't believe that answer was right for a second order reaction. So plug that answer in for this problem and I posted what I think is a correction at the earlier post.
*Monday, March 3, 2014 at 6:01pm*

**check this out---Chemistry 2**

I believe Damon has worked this as a first order reaction but the problem says it is a second order equation. I think it should be as follows: (1/A) - (1/Ao) = kt (1/5) - (1/20) = 40k 0.2-0.05 = 40k and k = 0.15/40 = 0.00375 and not 0.03466. I assume you can do the remainder ...
*Monday, March 3, 2014 at 5:57pm*

**math**

please help!!the question is..at track practice,Sheila worked on the long jump.her first jump measured 3 yards,2 feet,8 inches.second jump measured 2 yards,1 foot,10 inches.How much longer was sheilas first jump than her second jump?express your answer in inches.And then what ...
*Monday, March 3, 2014 at 5:40pm*

**Mathmatics**

a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos 3pi/8(Radians)
*Monday, March 3, 2014 at 5:32pm*

**Geometry**

what is the image of a(3 -1) after a reflection, first across the line y=3, then across the line x=-1 (-5,7) (3,-1) (-5,-1) (-1,-5)
*Monday, March 3, 2014 at 4:45pm*

**Chemistry 2**

Thanks man that makes so much clearer. i posted another question similar to this but its a first order reaction. would that change how you work it or is it done the same?
*Monday, March 3, 2014 at 4:40pm*

**chemistry**

A student determines the cobalt(II) content of a solution by first precipitating it as cobalt(II) hydroxide, and then decomposing the hydroxide to cobalt(II) oxide by heating. How many grams of cobalt(II) oxide should the student obtain if her solution contains 46.0 mL of 0....
*Monday, March 3, 2014 at 4:30pm*

**Alegbra**

Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
*Monday, March 3, 2014 at 4:14pm*

**English**

The first two are fine. The third one reads funny; I think the second dash needs to be moved. Do you see where? Read the sentence out loud. I don't know if your text addresses this, but I'd also add an exclamation point in each one. Here's how: There was a loud ...
*Monday, March 3, 2014 at 1:13pm*

**Algebra**

L = 2W + 3 2L + 2W = 72 Substitute 2W+3 for L in second equation and solve for W. Insert that value into the first equation and solve for L. Check by inserting both values into the second equation.
*Monday, March 3, 2014 at 12:50pm*

**Maths**

just start fitting in the facts. 1st 2 divisible by 5 means they end in 0 or 5 last 2 divisible by 9 and all different means not 09,45,54 or 90 units = twice tens means they are 36 so, the number is xx36. That means the first two digits also add to 9, which means the number is...
*Monday, March 3, 2014 at 12:45pm*

**English**

The first two and the fourth are fine. Re-think the third sentence.
*Monday, March 3, 2014 at 12:14pm*

**English**

Put a space after the semicolon in the first sentence. Then all will be correct.
*Monday, March 3, 2014 at 12:10pm*

**Consumer Math**

I am purchasing a house for $235,000 and have excellent credit. If I pay $1,678.93 at the end of the first month, how much is applied to the principal balance?
*Monday, March 3, 2014 at 11:55am*

**math**

Change first 5m to 500cm and 2m to 200cm and then solve using above procedure of reiny answer is 1/20 radians/sec
*Monday, March 3, 2014 at 10:05am*

**English**

using commas "First, you need to look carefully at your eating habits," said Dr. Perillo. "Yes, you should keep a journal of the foods you eat," she said. "Dr. Perillo, what do you mean by the right servings?" asked Emilio. "Ok, good question...
*Monday, March 3, 2014 at 8:54am*

**English**

using commas "The first match starts at 9:00 A.M.," said Travis. Anita asked, "Do you want to get seats in the same section as yesterday?" "That's fine with me," said Nick. Nick said, "Ferga's first match is in Court B. "I'll...
*Monday, March 3, 2014 at 8:24am*

**English**

2 and 3 are correct. There's one comma missing from the first one.
*Monday, March 3, 2014 at 7:59am*

**English**

using commas While they watched the match Anita clapped, cheered, and kept score. Travis and Nick watched a number of different matches, but Anita followed Fergas. He was signing autographs, and Anita was first in line.
*Monday, March 3, 2014 at 7:55am*

**English**

Using commas correctly Before they found their seats, the first match had already begun. It was a close game, and they weren't disappointed by the final score. They had come to cheer for Antonio Fergas, and he was the winner. Although his opponent was very good, Fergas ...
*Monday, March 3, 2014 at 7:52am*

**mat 116**

1 and -2 I suspect a garbled question coefficients are the numbers multiplying the variables. In the expression "3x" the coefficient of x is 3. now, if you want a solution, there is none. The lines have the same slope, but no point on the first line is also on the ...
*Monday, March 3, 2014 at 12:29am*

**Chemistry**

No, 20 km is a distance, not a pressure. The problem says the balloon is relesed at sea level on earth's surface. Pressure at sea level is 101.325 kPa or 1 atm or 14.7 lb/sq ft. Since you are using kPa for the second P you should use first P in the same units.
*Monday, March 3, 2014 at 12:26am*

**Chemistry**

I know I'm suppose to use 3.86934 as the first volume and 10 kPa as the second pressure, but what am I suppose to use as the first pressure? Am I suppose to use 20.0 km?
*Monday, March 3, 2014 at 12:11am*

**Chemistry: Check my answers please!**

I don't agree with #1 but I do the others. I think the results will be low if I've interpreted the question correctly and this is not a standard additions method. I can't draw it on this board but here is what you do. On a sheet of graph paper, mark the Y axis as A...
*Sunday, March 2, 2014 at 11:03pm*

**world issues**

A woman goes out running. She first travels 5.2km north. She then turns and travels 3.6km west. Finally, she turns If a bird were to start out from the origin (where the woman starts) and fly directly (in a straight line) to her final location, what distance d would the bird ...
*Sunday, March 2, 2014 at 11:01pm*

**College Chemistry - Science**

In an acid-base experiment at 25.0°C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid present in coke. ...
*Sunday, March 2, 2014 at 9:25pm*

**Alegbra**

Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
*Sunday, March 2, 2014 at 8:43pm*

**Accounting**

Jane has a $35,000 bank loan that she wishes to pay off in five equal annual payments with 12% interest. If the first payment is due one year from today, what will be the amount of the annual payment necessary
*Sunday, March 2, 2014 at 8:33pm*

**Chemistry - Science **

In an acid-base experiment at 25.0°C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid present in coke. ...
*Sunday, March 2, 2014 at 7:49pm*

**Algebra**

A ship leaves NY for San Fransisco on the first of every month at noon. At the same time, a ship leaves San Fransisco for NY. Each ship arrives exactly 6 months after it leaves. If you were on a ship from NY, how many ships from San Fransisco would you meet?
*Sunday, March 2, 2014 at 5:56pm*

**Math**

A shipe leaves NY for San Fransisco on the first of every month at noon. At the same time, a ship leaves San Fransisco for NY. Each ship arrives exactly 6 months after it leaves. If you were on a ship from NY, how many ships from San Fransisco would you meet?
*Sunday, March 2, 2014 at 5:50pm*

**business**

I think the purpose of this class for you is to prepare you to open your own child care business. The first thing you need to do is decide what Bill needs to buy to start his own business. By the way, please, please get in the habit of using correct capitalization and ...
*Sunday, March 2, 2014 at 5:13pm*

**business**

Bill, a close friend of your parents wants to start a business. Your parents refer him to you since you are presently working on a technology related degree. In your first discussion, you discover the following facts: Bill has been a sales representative for a major restaurant...
*Sunday, March 2, 2014 at 4:41pm*

**math**

4 x + 10 y = 14 is the first equation times 2 4 x + 10 y = 14 is the second equation there is a y for any real x, in other words an infinite number of solutions since both equations are for the same line
*Sunday, March 2, 2014 at 2:48pm*

**Food and Nutrition**

IRON DEFICIENCy ANEMIA: a)Identify factors that have contributed to the condition (social; geography; etc.) b) Describe factors (including diet and nutritional needs) that aid in the prevention and/or treatment/management of the health condition and explain how.
*Sunday, March 2, 2014 at 2:34pm*

**English Answer Check**

Your second answer makes sense. Your first answer repeats too much of the question and then you don't explain what you mean by "facing your own demons."
*Sunday, March 2, 2014 at 2:29pm*

**English**

First of all, study (memorize if you have to!) the definitions here: http://www.answers.com/topic/prosody and http://www.uncg.edu/~htkirbys/meters.htm When you are ready for the next step, let me know.
*Sunday, March 2, 2014 at 2:20pm*

**geometric progresions**

sum of first 8 terms = a(r^8 - 1)/(r-1) sum of first 4 terms = a(r^4 - 1)/(r-1 ( a(r^8 - 1)/(r-1) ) / ( a(r^4 - 1)/(r-1) ) = 97/81 (r^8 - 1) / (r^4 - 1) = 97 / 81 81r^8 - 81 = 97r^4 - 97 81^8 - 97r^4 + 16 = 0 let r^4 = x 81x^2 - 97x+16 = 0 x = (97 ± √4225)/162 = (...
*Sunday, March 2, 2014 at 1:08pm*

**geometric progresions**

The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?
*Sunday, March 2, 2014 at 11:43am*

**arithmetic**

The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?
*Sunday, March 2, 2014 at 11:31am*

**Math**

A financial consultant wishes to invest up to a total of $33,000 in two types of securities, one that yields 8% per year and another that yields 6% per year. Furthermore, she believes that the amount invested in the first security should be at most one-third of the amount ...
*Sunday, March 2, 2014 at 11:18am*

**MATH**

A financial consultant wishes to invest up to a total of $33,000 in two types of securities, one that yields 8% per year and another that yields 6% per year. Furthermore, she believes that the amount invested in the first security should be at most one-third of the amount ...
*Sunday, March 2, 2014 at 11:16am*

**english**

Both are correct, but the first is smoother.
*Sunday, March 2, 2014 at 7:28am*

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