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April 21, 2014

Homework Help: Health: First Aid

Recent Homework Questions About First Aid

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arithmetic
Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.
Tuesday, April 1, 2014 at 1:04am

math
let the 3 numbers be a , b, and c, in order of size, c is the largest a+b+c = 36 c = 2a b = (a+c)/2 = (a+2a)/2 = 3a/3 back into the first a+b+c = 36 a + 3a/2 + 2a = 36 times 2 2a + 3a + 4a = 72 9a = 72 a = 8, then c = 16, and b = 12 Our 3 numbers are 8, 12, and 16 (all ...
Monday, March 31, 2014 at 10:10pm

Math probability
4+7+3+2 = 16 socks prob red first = 4/16 prob green second = 7/15 prob that happens = (4*7)/(16*15) prob green first = 7/16 prob red second = 4/15 so again (4*7)/(16*15) so in the end 2 * 4 * 7 / (15*16) = .233
Monday, March 31, 2014 at 5:42pm

Math
5. There was a drawing for a prize at the Columbus Day celebration downtown. The prize was a scale model of the Santa Maria carved from a single piece of wood by a local artist. It was a beautiful ship and Jose really wanted it. Each $2.25 ticket bought one chance in the ...
Monday, March 31, 2014 at 5:35pm

Math
Carefully read the first sentence in your problem. Then read the question.
Monday, March 31, 2014 at 4:39pm

Math
Each ticket bought is $2.25. Each ticket bought Gives one chance in the drawing. Jose Purchased 10 tickets. If there were 510 tickets Purchased in all, what is the probability that One of Jose's ticket's will be drawn first? 10/510 or1: 52 chance
Monday, March 31, 2014 at 4:19pm

Math
Each ticket bought is $2.25. Each ticket bought Gives one chance in the drawing. Jose Purchased 10 tickets. If there were 510 tickets Purchased in all, what is the probability that One of Jose's ticket's will be drawn first? 10/510 or1: 52 chance
Monday, March 31, 2014 at 4:19pm

physics
Light shines through a single slit whose width is 5.7 × 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 3.9 mm. What is the wavelength of the light?
Monday, March 31, 2014 at 2:44pm

science
1.   Use the diagram to answer question 1. description: particles have enough energy to break free from each other and can move around freely; particles spread out in different directions  sketch: What kind of substance is described?  (1 point) solid ...
Monday, March 31, 2014 at 2:24pm

Statistics
You will have to collect the raw data yourself. Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = ...
Monday, March 31, 2014 at 1:38pm

Math
Find the probability of drawing the face card that is a spade on the first-draw replacing it and drawing a king card on the second draw
Monday, March 31, 2014 at 11:56am

statistics
first one 12/45 second on 11/44 12/45 * 11/44
Monday, March 31, 2014 at 8:38am

CALC 2
1 at start a eats 2/3 ** 1/9 *** 1/54 b eats 1/6 ** 1/36 ** 1/108 first line is geometric series 2/3 + 2/3(1/6) + (2/3)(1/6)^2 ... An = 2/3 +(1/6)^n-1 sum of that series = a/(1-r) = (2/3)/(1-1/6) = 2/3 /5/6 = 4/5
Sunday, March 30, 2014 at 11:50pm

Calculus Help Please!!!
Oh, I see f(x) = ln (1+x) df/dx = 1/(1+x) d^2f/dx^2 = -1/(1+x)^2 f(x) = f(0) + [1/(1+0)] x - x^2/2! ... f(x) = 0 + x - x^2/2 + ..... well at a first cut when is x^2/2 =.1 x? x/2 = .1 x = .2
Sunday, March 30, 2014 at 10:13pm

physic
Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series with a resistor and a battery, then current flows through the battery and the resistor. Explain how this is possible.
Sunday, March 30, 2014 at 8:47pm

Chemisty
It's the first time I ask this question on here actually.
Sunday, March 30, 2014 at 7:14pm

more proofreading.
this is another body paragraph to my research paper. can I get this one proofread as well thanks! Both Japan and the United States protect freedoms of speech and press by similar provisions in each nation’s constitution. For example, the First Amendment of the U.S. ...
Sunday, March 30, 2014 at 6:39pm

US history
I agree with your first and third answers.
Sunday, March 30, 2014 at 6:35pm

math
A salmon has to swim 25 miles upstream. It seems 7 miles each day and drifts 5 miles at night. How many days does it take for the salmon to first reach the 25 mile mark?)
Sunday, March 30, 2014 at 5:15pm

physics
What speed does the ball in the first question have in falling 3.5 s? ------------------- I told you in the first line, 34.3 m/s ------------------- in 4 sec d = .5 * 9.81 *16 = 78.5 meters so no
Sunday, March 30, 2014 at 5:09pm

physics
does this change the answer... the ball is dropped from the top of an 80-m-high building. does the ball reach the ground in 4.0 s? I got no, it falls only 78 m in 4.0 s What speed does the ball in the first question have in falling 3.5 s?
Sunday, March 30, 2014 at 4:59pm

Math
Let the number of played games in the first place be x. Total number of games is therefore x+15. Then 0.6x games were won in the first place. If the extra 15 will be won, then total games won is 0.6x+15=0.8(x+15). Solving this equation. Then solve for x in this equation. The ...
Sunday, March 30, 2014 at 4:38pm

physics
5000 meters in 20*60 = 1200 seconds Vi = 30,000 m / 3600 s = 83.3 m/s v = Vi + a t 0 = 83.3 + a (1200) a = - .0694 = - 6.94 * 10^-2 m/s^2 average velocity with constant acceleration = (first + last)/2 = 83.3/2 = 41.7 m/s
Sunday, March 30, 2014 at 3:37pm

physics
a race car traveling northward on a straight, level track at a constant speed travels 0.750 km in 20.0 s. the return trip over the same track is made in 25.0 s. a) what is the average velocity if the car in m/s for the first leg of the run? b) what is the average velocity for ...
Sunday, March 30, 2014 at 3:13pm

US government
Well, I guess our first choices are consistent :)
Sunday, March 30, 2014 at 2:49pm

Math
your class is conducting an experiment to study geometric sequences. The class forms a line. the first person takes a whole pizza,divides it in half, keeps half, and hands it to the next person. The next people in line do the same with there peices. Which portion does the ...
Sunday, March 30, 2014 at 2:42pm

physics
find the difference in PE in the two locations. Hold one charge stationary. PEtotal= kQQ/.1 PE(new total)=KQQ/.06 subtract the first from the second, that must equal the work done. There are more difficult ways to work this, involving finding work in an integral calculus ...
Sunday, March 30, 2014 at 10:11am

math
I did the exactly 7, follow my steps to get the others. On the less than three, do zero first, then exactly1, and exactly 2, then add those to get less than three.
Sunday, March 30, 2014 at 10:05am

Finance
PV = 10000(1 - 1.08)^-10)/.08 + 20000(1 - 1.08^-30)/.08 (1.08)^-10 = 171391.45 or pretend you are gettting 20,000 for 40 years - the 10,000 for the first 10 years = 20000(1 - 1.08^-40)/.08 - 10000(1 - 1.08^-10)/.08 = 171391.45
Saturday, March 29, 2014 at 7:11pm

To Steve
You could have added a posting to the original question. Anyway, There are 3 red marbles out of 9 total, so on the first draw, P(red) = 3/9 = 1/3 Without replacement, there are now 2 of 8 reds, so P(red) = 2/8 = 1/4 P(red,red) = 1/3 * 1/4 = 1/12 With replacement, both draws ...
Saturday, March 29, 2014 at 5:39pm

physics
The drawing shows three identical springs hanging from the ceiling. Nothing is attached to the first spring, whereas a W = 4.20-N block hangs from the second spring. A block of unknown weight hangs from the third spring. From the drawing, determine the spring constant (in N/m...
Saturday, March 29, 2014 at 3:41pm

Physics
The ship in the figure below travels along a straight line parallel to the shore and a distance d = 580 m from it. The ship's radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 700 m apart. The signals interfere ...
Saturday, March 29, 2014 at 1:28am

Finance
10. A new factory at Arcata requires an initial outlay of $3.5 million to be paid immediately. The factory will last for eight additional years, after which it can be sold for a salvage value of $2,000,000. Sales will be $800,000 during the first year of operation and will ...
Friday, March 28, 2014 at 10:38pm

Finance
9. H Corporation is considering a training program that cost $600,000. Anticipated benefits are $60,000 in the first year, $75,000 in the second year, $85,000 in the third year, and $95,000 in the fourth year. Benefits will decline 8 percent a year after the fourth year, and ...
Friday, March 28, 2014 at 10:37pm

Spanish
The word order is what you need to see. When there is both a direct object pronoun and an indirect object pronoun, the indirect comes first, before the direct. Direct Object Pronouns: me, te, lo, la, nos, os, los, las Indirect Object Pronouns: me, te, le, nos, os, les. Note ...
Friday, March 28, 2014 at 9:06pm

Calculus
first http://www.wolframalpha.com/input/?i=plo​t++e^%28-5x^2%29 Then this for second derivative and graph https://www.wolframalpha.com/input/?i=se​cond+derivative+of+e^%28-5x^2%29
Friday, March 28, 2014 at 7:57pm

Calculus
first http://www.wolframalpha.com/input/?i=plo​t++e^%28-5x^2%29
Friday, March 28, 2014 at 7:52pm

Algebra
For the first one, I can kinda see how I could factor v^2 + v - 12.. Would it look something like 2(v -6)? Which is like the numerator on the other side.
Friday, March 28, 2014 at 5:44pm

CHEMISTRY
First part. You have subtracted correctly and MASS of the water in the flask is 248.4 grams. Then since mass = volume x density you can rearrange that to volume = mass/density mass = 248.4g and density of the H2O is 1 g/mL (from the problem), then 248.4g/1 g/mL so volume is ...
Friday, March 28, 2014 at 3:05pm

probability
The probability that X is in the interval between x and x + dx is equal to dx. The proabability that Y is in the interval between y and y + dy is equal to dy. It then follows that the proability that X is in the interval between x and x + dx and Y is in the interval between y ...
Friday, March 28, 2014 at 3:02pm

chemistry
First determine the concn of HNO3 in the 19.0% stuff. 1.11 g/cc x 1000 cc x 0.19 x (1 mol/98 g) = estimated 2 mol/dm^3 Then use the dilution formula of c1v1 = c2v2 2*v = 2*3 Solve for v = approx 3 dm^3 Remember to recalculate all of the above.
Friday, March 28, 2014 at 2:46pm

Algebra 2
same idea as before, factor first, then divide, restrict what you divided by Again, I am putting in the brackets, they are extremely important here h(x)=(x^2-9)/(x^2-4x+3) = (x+3)(x-3)/(x-1)(x-3)) = (x+3)/(x-1) , x ≠ 3
Friday, March 28, 2014 at 2:09pm

probability
A fair coin is flipped independently until the first Heads is observed. Let K be the number of Tails observed before the first Heads (note that K is a random variable). For k=0,1,2,…,K, let Xk be a continuous random variable that is uniform over the interval [0,3]. The Xk...
Friday, March 28, 2014 at 12:36pm

Math
@Reniy: Yes those were the answers I came up with. I couldn't figure out what I was doing wrong, turns out I was doing the first one right and the second one was a bit off. Thank you for the help.
Friday, March 28, 2014 at 11:23am

Criminal law
1. The primary purpose of psychological profiling is to provide: A.the identity of an offender involved in a violent crime such as murder or sex crime. B. absolute information about an offender’s emotional and personality character traits and to immediately direct ...
Friday, March 28, 2014 at 9:55am

Calculus
As a first check, I went to http://www.wolframalpha.com/input/?i=2%E​2%88%AB[3%2C4]+%282%2F3+%E2%88%9A%28x^2-​9%29%29+dx and saw that they show the area as 2.28 So, I suspect there is an error in the problem or the answer. Your calculation appears to be correct, ...
Friday, March 28, 2014 at 5:43am

Mathematics
Give the first three terms of the sequence of 1.Tn+1=Tn+n
Thursday, March 27, 2014 at 11:20pm

Math
I was wondering if you can help me with math real quickly. I just cant figure this out. For the first question I have to find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the height is 20 ft. A. 180 ...
Thursday, March 27, 2014 at 10:37pm

math
Mrs. Jones and Mr. Graham had the same amount of money at first. After Mrs. Jones bought a computer that cost $2,055, she had 1/4 as much money as Mr. Graham. How much money did Mr. Graham have?
Thursday, March 27, 2014 at 9:54pm

Persuasive Writing help
I'm writing a persuasive request but English is not my native language. I've done many drafting and revising, but still not sure. so I would be grateful if you could show me what I did wrong and the correct way to revise it. Thanks "Dear xxx, I would like to ...
Thursday, March 27, 2014 at 9:29pm

Calculus Help Please!!!
I am going to assume it is algebra first take t = 0 at 1:30 T = Ti - k t Ti = 32.5 so T = 32.5 - k t 30.3 = 32.5 - k (1 hour) k = 2.2 so T = 32.5 - 2.2 t 37 = 32.5 - 2.2 t t = - 2.04 call it 2 hours so by that linear model 11:30 am now I will work on the more realistic ...
Thursday, March 27, 2014 at 8:38pm

5th Grade Math
No. Since he played half as many games, I'd predict he'd win half as many as he did for the first round.
Thursday, March 27, 2014 at 8:05pm

5th Grade Math
Since he won 12 out of 20 in his first games, how many games do you think he'll win in the next 10 games?
Thursday, March 27, 2014 at 7:43pm

math-help!!
oh okay thats for the first question i think but what about this question x^2-(y - z)^2 ??
Thursday, March 27, 2014 at 7:04pm

Business Statistics
First, arrange them in numerical order. 27, 29, 29, 41, 49, 59, 64, 79 The median number is the one in the middle. Since this set has two middle numbers (41, 49), the median is the average of those two numbers: 45
Thursday, March 27, 2014 at 5:23pm

Calculus
A weight oscillates in a vertical motion according to the position function y(t)=-5 cos(t). Assuming t≥0, when will the acceleration if the weight be zero for the first time?
Thursday, March 27, 2014 at 2:51pm

science
an you please solve the questions for me 1. 3 moles of pesticide of molecular mass 200 g/mole is applied to a closed system consisting of 20 m3 of water, 10 m3 of air, 1 m3 of sediment, and 0.001 m3 of fish. Determine the concentration and amount in both grams and mole units ...
Thursday, March 27, 2014 at 2:24pm

physics
initial momentum = .00626*344 = 2.15 2.15 = .00626 Vb1 + 1.205*.673 Vb1 = 214 m/s exiting first block bullet momentum entering second = .00626*214 = 1.34 1.34 = 1.584 v v = .846 m/s (a) (b)final = (1/2)(1.584)(.846^2) = .567 Joules initial = (1/2)(.00626)(344)^2 =370 ratio = ....
Thursday, March 27, 2014 at 1:47pm

physics
A 6.26-g bullet is moving horizontally with a velocity of +344 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
Thursday, March 27, 2014 at 1:35pm

physics
A weight oscillates in a vertical motion according to the position function y(t)=-5cos t. Assuming t>=0 (greater than or equal to), when will the acceleration of the weight be zero for the first time?
Thursday, March 27, 2014 at 12:13pm

Technical writing
How to rewrite..Revise an explanation to eliminate density. Read the following dense paragraph and revise it to make it more coherent. You may separate the material into shorter paragraphs, use lists, and add or delete material. This information was part of a memo informing ...
Thursday, March 27, 2014 at 11:41am

statistics
9 people probability of man first = 5/9 then prob of woman = 4/8 so 20/72 for man then woman then probability of woman first = 4/9 then prob of man = 5/8 so 20/72 again add them 40/72 = .55
Thursday, March 27, 2014 at 11:27am

finance
Polycorp has a current dividend of $5.00 due tomorrow and is expected to pay a dividend $5.50 at the end of the first year. Its dividend is expected to grow at 8% pa for the following year. Dividends are then expected to grow at 4% pa for another two years. Then they are ...
Thursday, March 27, 2014 at 10:32am

Chemistry
How would you exactly start the first problem? My thermodynamic skills is a bit rusty. I am assuming I have to use ΔH°f under the given reaction..? But then..we barely covered ΔG° in class. Am I to use this equation, ΔG° = ΔH° - T ΔS&...
Thursday, March 27, 2014 at 1:31am

English
After watching a documentary about the environment on TV, I decided to start my own project,"Project Green Kid." Today was my first day as a Green Kid...... ---------------------------------- Do we have to use "a Green Kid"? What about "a green kid&...
Thursday, March 27, 2014 at 1:05am

FINANCE
A perpetuity with the first annual cash flow paid at the beginning of year 4 is equivalent to receiving $103,000 in 15 years’ time. Assume that the perpetuity and the lump sum are of equivalent risk and that j12 = 14.32% pa is the appropriate interest rate. How much is ...
Thursday, March 27, 2014 at 12:49am

FINANCE
Polycorp has a current dividend of $5.00 due tomorrow and is expected to pay a dividend $5.50 at the end of the first year. Its dividend is expected to grow at 8% pa for the following year. Dividends are then expected to grow at 4% pa for another two years. Then they are ...
Thursday, March 27, 2014 at 12:47am

physics
First you need to figure how much helium is the balloons. Each balloon's lift is reduced by the weight of the helium inside. Once you know how much each balloon weighs, subtract that from the lifting power of the displaced air, which is 1.225kg * .01716 * 9.8N/kg, since ...
Thursday, March 27, 2014 at 12:08am

pre calculus
A taxi company charges $2.00 for the first mile (or part of a mile) and 20 cents for each succeeding tenth of a mile (or part). Express the cost C (in dollars) of a ride as a piecewise-defined function of the distance x traveled (in miles) for 0 < x < 2
Thursday, March 27, 2014 at 12:07am

physics
Some say that the hot air balloons with which the Montgolfier brothers performed their first flight had a volume of 1700 cubic metres and could lift 780 kilograms (that includes the balloon, basket and payload). Assume that the balloon took off on a day when the sea level ...
Thursday, March 27, 2014 at 12:00am

Chemistry
Well, its definitely too late to help you, but I'll post this for the benefit of others. None of the listed atoms are definitely present, as there is no way to tell from the limited information. Likewise, we know from the chart of the seperation of cations that Ba2+ and ...
Wednesday, March 26, 2014 at 10:54pm

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
Wednesday, March 26, 2014 at 10:39pm

math
So I continued working where you left off and got y=0.5x+2.5 is that correct? or is it y=0.5x-2.5? I am pretty sure that it is the first one but I just wanna make sure.
Wednesday, March 26, 2014 at 10:22pm

Socials
What year was Canada's first railway : the Champlain and Saint Lawrence railroad built in?
Wednesday, March 26, 2014 at 10:09pm

Calculus
First things first: width --- s length ---- 2s 2s^2 = 800 s^2 = 400 s = 20 so the piece of metal is 20 by 40 let the side of the square to be cut out be x so the width is 20-2x the length is 40-2x the height is x Volume = x(20-2x)(40-2x) = 2x^3 - 120x^2 + 800x d(Volume)/dx = ...
Wednesday, March 26, 2014 at 10:05pm

physics
A car moving with an initial speed v collides with a second stationary car that is 50.7 percent as massive. After the collision the first car moves in the same direction as before with a speed that is 33.2 percent of the original speed. Calculate the final speed of the second ...
Wednesday, March 26, 2014 at 7:48pm

Math
If Mike has 8 dimes and 6 pennies in his pocket. If he randomly selected one coin and then a second coin without replacing the first, what is the probability that both coins were dimes?
Wednesday, March 26, 2014 at 7:41pm

LA PLS HELP!!!!! (check my work)
1. What causes Brer Lion to be tied to a tree? (1 point) >>>his fear<<< his strength his obedience to Brer Rabbit 2. Which of the following is a reasonable prediction about what will happen after this story is over? (1 point) Brer Lion and Brer Rabbit will ...
Wednesday, March 26, 2014 at 7:04pm

statistics
18 + 24 = 42 first black sock = 24/42 second black sock = 23/41 product = 24/42 * 23/41 = .321
Wednesday, March 26, 2014 at 6:07pm

*****Help Statistic
Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get correct? c). How surprised would you be if ...
Wednesday, March 26, 2014 at 4:11pm

chemistry
Second try. My first one was deleted. 32.9150g = mass dish + Fe -30.7310g = mass empty dish ------------- +2.1840g = mass Fe %Fe = (mass Fe/mass Fe sample) = 2.1840/5.000)*100 = ? = approx 43.68% Note: I feel compelled to point out that this is a lousy procedure BECAUSE when ...
Wednesday, March 26, 2014 at 3:23pm

Health and Physical
I agree with your first four answers. I don't know about 5. Be sure to check your book.
Wednesday, March 26, 2014 at 1:49pm

math
period of first = 2π/(12π) = 1/6 period of 2nd = 2π/(18π) = 1/9 1/3 is a factor of both, so the period = 1/3 verification: http://www.wolframalpha.com/input/?i=10+​sin%2812+pi+t%29%2B4+cos%2818+pi+t%29
Wednesday, March 26, 2014 at 1:27pm

propability
there are 40 tags numbered 1 through 40 in a bag. what is the probability that Glenn will randomly pick a multiple of 5 and than a multiple of 9 without replacing the first one?
Wednesday, March 26, 2014 at 11:59am

Maths
if you mean the sequence in your previous problem a = -5 -123 = 17 - 5n n = 28 or 28 terms before our first term which was 17
Wednesday, March 26, 2014 at 11:07am

Maths
4x+1,2x+4 and x+3 are first three terms of arithmetic sequence determine the value of x
Wednesday, March 26, 2014 at 10:47am

Language arts help!!
go to open study josh they always help and i got almost alll my answers right this web site is for side use go to open study first plus its funner talking to more people.
Wednesday, March 26, 2014 at 10:40am

University Chemistry (first year)
Hi I am 10. RP pls. Kimochi
Wednesday, March 26, 2014 at 3:39am

University Chemistry (first year)
Hi I am 10. RP pls.
Wednesday, March 26, 2014 at 3:36am

Math
Homing pigeons avoid flying over large bodies of water, preferring to fly around them instead. Assume that a pigeon released from a boat 1 mile from the shore of a lake flies first to point P on the shore and then along the straight edge of the lake to reach its home at L. If ...
Wednesday, March 26, 2014 at 12:07am

chemistry
The rate constant of a first-order reaction is 4.25 x 10^-4 s^-1 at 350 Celsius. If the activation energy is 103 kJ/mol, calculate the temperature at which its rate constant is 8.75 x 10^-4 s^-1.
Tuesday, March 25, 2014 at 11:21pm

calcules
Just noticed that both Damon and I answered a very similar question in the first of the Related Questions below http://www.jiskha.com/display.cgi?id=126​8848081 I suggest you print it out , and change the numbers, and units.
Tuesday, March 25, 2014 at 11:14pm

Science asap thankies :)
What would a permanently magnetic substance be called? I cant remember what my teacher called it, it was a short first word then magnet.. sorry and thanks!
Tuesday, March 25, 2014 at 10:39pm

Chemistry
The degradation of CF3CH2F (an HFC) by OH radicals in the troposphere is first order in each reactant and has a rate constant of k=1.6×108M−1s−1 at 4∘C. If the tropospheric concentrations of OH and CF3CH2F are 8.1×105 and 6.3×108 molecules ...
Tuesday, March 25, 2014 at 10:03pm

chemistry
What is your problem with this bekah? For a you must have worked a hundred of weak acids problems with a known starting molarity. At first glance it looks like 2 is a buffer problem that can be solved with the Henderson-Hasselbalch equation.
Tuesday, March 25, 2014 at 9:30pm

math
It is two functions and there are three regions where they cross the x axis Any x between the curves on the x axis should work. However the third region on the right has too big an x so the width will come out negative however when I tested in the middle of the first two ...
Tuesday, March 25, 2014 at 8:55pm

algebra
the plate is only 25 cm wide so the big x interval will not work I got results in the middle of the first two intervals though
Tuesday, March 25, 2014 at 8:40pm

ALGEBRA
I set them equal to 1512 and then to 2176 THEN I subtracted 1512 from the first both sides AND I subtracted 2176 from the second both sides PLEASE calm down and think
Tuesday, March 25, 2014 at 8:32pm

algebra
you need to solve two inequalities: x(40-2x)(25-2x) > 1512 x(40-2x)(25-2x) < 2176 x(40-2x)(25-2x) = 4x^3 - 130x^2 + 1000x So, you have to solve 4x^3 - 130x^2 + 1000x - 1512 > 0 4x^3 - 130x^2 + 1000x - 2176 < 0 a little synthetic division shows that the first has a ...
Tuesday, March 25, 2014 at 8:31pm

How-To Essay Evaluation (Writeacher)
You need to have at least an introductory sentence and a conclusion sentence!! When I start reading your first paragraph, I have A VERY MUDDY IDEA what you're really writing about. Here's why ~~> We don't shoot bows! We use bows to shoot arrows!!
Tuesday, March 25, 2014 at 6:28pm

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