Wednesday

April 23, 2014

April 23, 2014

Number of results: 214,742

**Trigonometry**

You need an "argument" after csc and sin e.g. csc = 3.75 = 375/100 = 15/4 then sin = 4/15 so that particular triangle has sides 4 , √209 , and hypotenuse 15 since I cannot tell which sides you labeled a , b, and c other than the hypotenue is usually labeled c I will ...
*Monday, March 18, 2013 at 7:39pm by Reiny*

**college math 209**

I really need help with my math/209 I took 208 3 years ago, and now I am taking the second part and I am so lost. How can I get some help.
*Sunday, January 16, 2011 at 9:26pm by Andrell*

**mathematics**

Did you notice that 1.4 = 7/5 ? log5 1.4 = log5 (7/5) = log5 7 - log5 5 = 1.209 - 1 = .209 A property of logs that comes in handy here is loga b = 1/logb a b) log7 75 = log7 (3*5^2) =log7 3 + 2log7 5 = (log5 3) / (log5 7) + 2/log5 7) = .683/1.209 + 2/1.209 = 2.683/1.209 = 2683...
*Wednesday, April 16, 2014 at 7:43am by Reiny*

**physics**

The maximum angular velocity w is 2 rpm*2 pi(rad/rev)/60 (sec/min) = 0.209 rad/s R w^2 = g, with the requirement that w < 0.209 rad/s w^2 = g/R < (0.209 rad/s)^2 = 4.39*10^-2 R > 9.8/4.39*10^-2 = 220 m I don't think there are currently any plans for a space station ...
*Sunday, December 19, 2010 at 10:35pm by drwls*

**Algebra**

so, make the substitution: 10x - 7(-2+7x) = 209 10x + 14 - 49x = 209 -39x = 195 x = -5 y=-2+7(-5) = -37
*Sunday, March 25, 2012 at 7:13pm by Steve*

**physics**

work: 209*1.5 joules total normal force=mgSin25 gravitational force on crate=mg workers force=209
*Tuesday, November 2, 2010 at 2:27pm by bobpursley*

**6th grade**

Answer is $209. 114.95/55=2.09 2.09*100=209 Checking: 209/100=2.09 2.09*55=114.95
*Monday, November 8, 2010 at 4:43pm by Dee*

**college 209**

why does that matter,and apparently is college math 209. If you all do not want to assist with the math questions then maybe you should consider not anwering instead asking irrevelent questions, people really need assistance with the posted questions, not questions that really...
*Sunday, January 16, 2011 at 7:01pm by Anonymous*

**Physics Need help please**

The decay constant is λ=ln2/T = 0.693/5730 = 1.20910⁻⁴ yr⁻¹. The fraction of ¹⁴C << ¹²C, => we use the atomic weight of ¹²C to find the number of carbon atoms in 270 g: N= (270/12)6.02210²³ =1.35...
*Tuesday, May 7, 2013 at 9:46pm by Elena*

**Physics**

(a) v=v₀-at a=( v-v₀)/t=(38.666-39.486)/0.231 =-3.55 m/s² F(dr)=ma=-0.209(-3.55)=-0.7419 N (b) F(dr)=μN=μmg μ=F(dr)/mg=0.7419/0.2099.8=0.362 (c) Work-energy theorem ΔKE=W(dr) 0-mv²/2=Fs. F= - mv²/2s= - 0.209 39.486²/20....
*Sunday, November 25, 2012 at 4:02pm by Elena*

**physics**

r= 12.1 cm, R= 25.5 cm, d=209 cm, x=? R/x=r/(x-d) rx=R(x-d) x=Rd/(R-r) = 25.5209/13/4 = 398 cm= =3.98 m
*Friday, September 14, 2012 at 8:27pm by Elena*

**unit rates**

1. 209 km. in 5 hours 209/5 = ? km per hour 2. A soccer player scored 41 goals in 84 games 84 / 41 = ? goals per game
*Thursday, March 12, 2009 at 5:19pm by Ms. Sue*

**college math 209**

-6/8 - 6/8 =
*Saturday, January 15, 2011 at 10:08pm by bryan*

**math**

1 209/40
*Tuesday, September 20, 2011 at 3:50pm by ashley*

**Math**

but 209 is incorrect
*Tuesday, June 18, 2013 at 10:54am by best*

**math**

209,999.6
*Sunday, February 2, 2014 at 4:10pm by Anonymous*

**chemistry**

XO2 = 0.209 XN2 = 1-0.209 = ? pO2 = XO2*780 = ? pN2 = XN2*780 = ?
*Wednesday, March 20, 2013 at 9:10am by DrBob222*

**math 209**

only true if x=0 or x=1
*Tuesday, February 11, 2014 at 8:51pm by Steve*

**math**

I agree with your a and b values, but your equation should have an exponent of x , not 4 (probably just a typo) 2nd: for (2,3) --> 3 = a(2^b) for (10,21) ---> 21 = a(10^b) divide them 21/3 = 10^b/2^b 7 = (10/2)^b 7 = 5^b take log of both sides log 7 = log (5^b) log 7 = b...
*Tuesday, February 7, 2012 at 10:29pm by Reiny*

**Physics**

Question: The amount of internal energy needed to raise the temperature of .25 kg of water by 0.2 degrees Celsius is 209.3 J. How fast must a 0.25 kg baseball travel in order for its kinetic energy to equal this internal energy? KE = (.5)(m)(v^2) 209.3 J = (.5)(.25kg)(v^2) ...
*Monday, February 15, 2010 at 7:26pm by mike*

**college math 209**

u - 18 = 2 u = 20
*Saturday, January 15, 2011 at 10:20pm by helper*

**college math 209**

25+20x+4=0
*Sunday, January 23, 2011 at 7:03pm by nadine*

**math 209**

perimeter=2L+2W L-4=W
*Sunday, July 17, 2011 at 2:33pm by bobpursley*

**Math 209**

solve, 3x^2 + 6x - 105
*Friday, October 30, 2009 at 2:13pm by Jean*

**Math 209**

f(x) = x3 + 2x2 0.4X 1 how do you you factor this?
*Tuesday, June 8, 2010 at 8:23pm by Anonymous*

**Math 209**

f(x) = x3 + 2x2 0.4X 1 how do you you factor this?
*Tuesday, June 8, 2010 at 8:39pm by Anonymous*

**college math 209**

solve for y, 5y^-13y=6
*Sunday, January 16, 2011 at 8:51pm by Anonymous*

**college math 209**

are you missing the exponent for 5y^ ?
*Sunday, January 16, 2011 at 8:51pm by helper*

**math 209**

.78=2(3.14)*sqrt.5/g solve for g
*Tuesday, February 5, 2013 at 11:36am by shannon*

**Math**

oops , you wanted 3 decimals, 5.791 or 1.209
*Wednesday, March 5, 2014 at 9:30pm by Reiny*

**chemistry**

There is no way you can make sense on this board because it doesn't allow spacing. So here is what you should do and I'll do the first for you. Place the atomic number just before the symbol, as in 42Mo. Placd the mass number as an exponent to the right of the symbol, as in ...
*Wednesday, December 15, 2010 at 10:26pm by DrBob222*

**math**

2 forms of writing this number. 3,209,003,812?
*Tuesday, September 15, 2009 at 5:35pm by nora*

**Math/209**

How do I find the set of all points of y=-8 on a graph?
*Sunday, June 13, 2010 at 8:05am by Sam*

**math**

how do you write 3,209,003,812 in standard form
*Wednesday, September 1, 2010 at 11:37pm by kathy*

**math 209**

divide 192 by 20 = 9.6 x 50 = 480
*Wednesday, October 13, 2010 at 4:12pm by Sara*

**college math 209**

simplify the following expression -(x) + 4 (4 v + 2x)
*Sunday, January 23, 2011 at 1:53pm by Anonymous*

**math**

Round 209,999.598 to the nearest hundredths
*Sunday, February 2, 2014 at 4:10pm by gio*

**5th Grade Math**

How do you write 6,549,920 and 945,209? Thanks
*Thursday, October 23, 2008 at 8:04pm by Mom*

**college math 209**

solve for u, where u is a real number u - 18 = 2
*Saturday, January 15, 2011 at 10:20pm by Anonymous*

**college math 209**

solve the equation (x+4)^2=2x^+19x+46
*Sunday, January 16, 2011 at 9:08pm by Anonymous*

**college math 209**

use the quadratic formula to solve for x, 3x^2 + x -8=0
*Sunday, January 16, 2011 at 9:26pm by Anonymous*

**college math 209**

simplify as much as possible y^248yv^2 - v12 y^5
*Sunday, January 23, 2011 at 7:03pm by Anonymous*

**Science/Math**

Atomic mass = 200*(1/3)+ 203*(1/3) + 209*(1/3) = 204
*Wednesday, April 13, 2011 at 4:01pm by MathMate*

**Math 209**

Please check and clarify your Eq. I don't believe it is correct.
*Thursday, August 11, 2011 at 5:36pm by Henry*

**Math 209**

amount = 150 (1.019)^25 = $ 240.13
*Monday, August 15, 2011 at 1:22am by Reiny*

**math 209**

find the value of annuity for a 1=$3000, I=0.09, n= 25
*Tuesday, January 15, 2013 at 3:37pm by james*

**information literacy**

Which of the following sets of call numbers is in the correct order? A. CR 209 .D97 1991 CA203 .P39 1992 CL207 .K256 1976 C201 .G37 1910 B. CA203 .P39 1992 CL207 .K256 1976 CR 209 .D97 1991 C201 .G37 1910 C. C201 .G37 1910 CR 209 .D97 1991 CL207 .K256 1976 CA203 .P39 1992 D. ...
*Sunday, January 15, 2012 at 9:14pm by tasha*

**Math 209-College Mathematics II**

How do you factor this completely: x^3 + ax + 3a + 3x^2
*Saturday, May 29, 2010 at 1:27am by Sheryl*

**college math 209**

solve for y, 5y^2-13y=6 I did forget the exponent the first time..
*Sunday, January 16, 2011 at 9:00pm by Anonymous*

**college math 209**

find the values for x and y 4x - 9= -15 -3x - 4y = 22
*Sunday, January 23, 2011 at 2:37pm by Anonymous*

**math 209**

which of the following conclusions is true about the statement below? x^2= square root x
*Tuesday, February 11, 2014 at 8:51pm by jim*

**7th grade masth asap hurry plz ms.sue somebody plz**

The area is given as 658 square feet. Area=pi r^2 To solve for r, we take 658/pi to find 209^2, then take the root of 209 to find 14.48 We can prove this with pi 14.48^2
*Monday, October 8, 2012 at 10:00pm by Anonymous*

**Math 209**

I will assume you meant solve 3x^2 + 6x - 105 = 0 divide by 3 x^2 + 2x - 35 = 0 (x+7)(x-5) = 0 x = -7 or x = 5
*Friday, October 30, 2009 at 2:13pm by Reiny*

**algebra math 209**

Area = Length * width A = (2x-1)(x+2) Insert the 10 value for x and solve.
*Tuesday, August 17, 2010 at 4:33pm by PsyDAG*

**algebra math 209**

Area = Length * width A = (2x-1)(x+2) Insert the 10 value for x and solve.
*Tuesday, August 17, 2010 at 4:33pm by PsyDAG*

**LITERACY**

Which of the following sets of call numbers is in the correct order? A. CR 209 .D97 1991 CA203 .P39 1992 CL207 .K256 1976 C201 .G37 1910 B. C201 .G37 1910 CR 209 .D97 1991 CL207 .K256 1976 CA203 .P39 1992 C. C201 .G37 1910 CA203 .P39 1992 CL207 .K256 1976 CR 209 .D97 1991 D. ...
*Saturday, April 13, 2013 at 1:52am by pennfoster*

**Math/209**

Can you please explain to me how you find teh points, such as (1,-8) and (-3,-8)are mulitilying, adding, what exactly do I have to do to get this?
*Sunday, June 13, 2010 at 8:05am by Sam*

**MATH 209**

Just substitute 500 for x and solve. (.3x^2 + 400x + 550) + (.1x^2 + 50x + 800) = ? x^2 = x squared online
*Friday, March 19, 2010 at 10:13am by PsyDAG*

**Chemistry**

So we start with 50,000 joules heat. mass ice x specific heat ice x delta T = 20 g x 2.092 J/g x 5 = 209.2 which is much less than 50,000 and all of the ice will move from T = -5 to T = 0 C. To change ice at zero C to liquid water at zero C we newed mass ice x heat fusion 20g ...
*Saturday, December 11, 2010 at 8:50pm by DrBob222*

**math**

solve the system 7x^2 - 5y^2 + 20y = 3 21x^2 + 5y^2 =209
*Saturday, March 10, 2012 at 12:37am by Martin*

**algebra math 209**

-12^2 * 3s = 144 * 3s = 432s
*Tuesday, August 17, 2010 at 4:30pm by PsyDAG*

**math 209**

108/W=135mg/260mg Solve for W W=108*260/135 check that.
*Wednesday, October 13, 2010 at 3:46pm by bobpursley*

**college math 209**

simplify as much as possible y^2sqrt 48yv^2 - vsqrt 12 y^5
*Sunday, January 23, 2011 at 7:13pm by Anonymous*

**college math 209**

write in simplified radical form by rationalizing the denominator 25 + 3/5 - 1
*Saturday, January 15, 2011 at 10:08pm by Anonymous*

**Math**

313+209 >500 <500
*Sunday, February 27, 2011 at 11:05pm by richardson*

**Mth/209**

x/3 = 4/ x + 1
*Monday, July 5, 2010 at 10:46pm by Gail*

**Chemistry**

209
*Tuesday, February 22, 2011 at 2:24am by Anonymous*

**Math**

155,168,170,193,198,209,229,270,324,347 1.median 2.maximum 3.minimum 4.mean 5.mode 6.range
*Tuesday, September 20, 2011 at 5:42pm by Frances*

**math 209**

To get area as a function of x, multiply length x width. Then to find area if x=5, put x=5 into that equation.
*Monday, June 22, 2009 at 8:40pm by bobpursley*

**Stats**

225.209 :]
*Saturday, February 26, 2011 at 12:29am by Ruben*

**college 209**

that's means square root
*Sunday, January 16, 2011 at 6:23pm by Anonymous*

**Mth 209**

I don' see no steenking statement!
*Monday, December 16, 2013 at 12:50am by Steve*

**math 209**

the time t for a pendulum to swing back and forth once is called its period and is given by t=2pi*sqrt l/g where l equals the length of the pendulum solve for g
*Tuesday, February 5, 2013 at 11:25am by shannon*

**electricity and electronics**

a transformer has a primany voltage of 115 v and secondary voltage of 24 v if the number of tures in the primany is 345 how many turns are in the secondary The voltage ratio Vsecondary/Vprimary = 24/115 = 0.209 This equals the turns ratio Nsecondary/Nprimary = Nsecondary/345...
*Wednesday, August 10, 2005 at 3:19pm by annette*

**Math 209**

THE FEDERAL DEBT D IN TRILLIONS OF DOLLARS HELD BY FOREIGN AND INTERNATIONAL INVESTORS x YEARS AFTER 1970 CAN BE MODELED BY D(x) = WHERE 15 ≤x≤ 40.
*Sunday, February 24, 2013 at 8:39pm by Mari*

**PLG 209**

How would you like us to help you with this assignment?
*Saturday, March 22, 2014 at 10:01pm by Ms. Sue*

**typo - Math/209**

4th line should have been x+y = 6 means that as long as the x and the y of a given point add up to 6, that point belongs. but you probably guessed that anyway.
*Sunday, June 13, 2010 at 8:05am by Reiny*

**algebra math 209**

swimming space. The length of a rectangular swimmung pool is 2x-1 meters, and the width is x+2 meters. write a polynomial A(x) that represent the area. Find A(10)
*Tuesday, August 17, 2010 at 4:33pm by Anita fields*

**college math 209**

x = - b (sqrt(b^2 - 4ac))/2a 3x^2 + x - 8 = 0 a = 3, b = 1, c = -8 what do you need help with? I gave you the formula, you give it a try, post your work if you get stuck. tutors do not do your homework. they are here to help you do your work.
*Sunday, January 16, 2011 at 9:26pm by helper*

**math**

The ladder and the ground form a right triangle. Use the Pythagorean Theorem to find the other leg of the triangle. a^2 + b^2 = c^2 a^2 + 4^2 = 15^2 a^2 + 16 = 225 a^2 = 209 a = 14.5 feet
*Wednesday, January 8, 2014 at 1:18pm by Ms. Sue*

**Chemistry**

No, the molar mass of Fe is 55.85 or about that. OK. So you should get 20.00% if the package label is correct because, as you point out, (65 mg/325 mg)*100 = 20.0%. From your numbers. M KMnO4 = 1.475g x (1 mol KMnO4/158.04 g) = 0.009333 M/L. mols KMnO4 in titration = 0.009333 ...
*Monday, September 3, 2007 at 4:29pm by DrBob222*

**Physics**

W=F.d W=209 * 10 cos 0degree W=2090 joule
*Tuesday, March 19, 2013 at 12:39pm by Unknown*

**Chemistry**

What NaCl concentration results when 209 mL of an 0.660 M NaCl solution is mixed with 492 mL of a 0.270 M NaCl solution? __ mol/.209 L = 0.660 M __ mol/.492 L = 0.270 M .. I have no idea how to solve this. I have no idea why I even set up the equation above when it's asking me...
*Monday, April 9, 2012 at 9:59pm by Katherine*

**Math 209**

The width of a rectangular carpet is 7 meters shorter than the length, and the diagonal is 1 meter longer than the length. What are the carpet's dimensions?
*Wednesday, August 3, 2011 at 10:35pm by Wanda*

**Math 209**

Is this supposed to be f(x) = x^3 + 2x^2 - .4x - 1 ?? This does not factor, since x^3 + 2x^2 - .4x - 1 = 0 does not have rational roots
*Tuesday, June 8, 2010 at 8:23pm by Reiny*

**math 209**

machine produces 192 bolts in 20 minutes. At the same rate, how many bolts would be produced in 50 minutes? thank you
*Wednesday, October 13, 2010 at 4:12pm by anna*

**algebra math 209**

evaluating polynomials negative 12sq times 3s -12sq *3s
*Tuesday, August 17, 2010 at 4:30pm by Anita fields*

**college 209**

square root of ? '2a7' means? does it mean 2(sqrt7)?
*Sunday, January 16, 2011 at 6:23pm by helper*

**math 209**

Swimming space. The length of a rectangular swimming pool is 2x 1 meters, and the width is x 2 meters. Write a polynomial A(x) that represents the area. Find A(5).
*Monday, June 22, 2009 at 8:40pm by jericia*

**math 156**

Stock in a company is selling for $11 3/4 per share. if some one purchases $893 worth stock in this company, how many shares did they get? is it 209
*Wednesday, December 9, 2009 at 2:19pm by Rmz*

**Math 209**

If C dollars are deposited in an account paying r percent annual interest, approximate the amount in the account after x years if C=$150, r= 1.9% and x=25 years
*Monday, August 15, 2011 at 1:22am by Wanda*

**algebra 209**

write the following in simplified radical form 3 sqrt 250
*Sunday, January 16, 2011 at 8:13pm by Anonymous*

**engish**

Look at the last line of the story. http://209.184.141.5/westwood/academ/depts/dpteng/L-Coker/VirtualEnglish/Englsih%20I/English%20Ia/scarlet_ibis.htm
*Wednesday, October 22, 2008 at 8:25pm by Ms. Sue*

**Math 209**

The inch measure is the diagonal distance across the screen. Since the ratios are all the same, you do not need to use in^2 = inches squared. Just divide price by inches and arrange in order of value.
*Tuesday, June 8, 2010 at 8:41pm by PsyDAG*

**5th Grade Math**

6,549,920 Six million, five hundred forty-nine thousand, nine hundred twenty. How would you write 945,209?
*Thursday, October 23, 2008 at 8:04pm by Ms. Sue*

**algebra 2**

looks like an arithmetic sequence with a=5, d=6 term(35) = a + 34d = 5 + 34(6) = 209
*Sunday, May 16, 2010 at 7:34pm by Reiny*

**Physics (Formula)**

Centripetal force = M*V^2/R = 191 Newtons Solve for V, in units of m/s. V^2 = 209.6 m^2/s^2 V = 14.5 m/s
*Wednesday, February 13, 2013 at 10:24pm by drwls*

**math**

Multiply out the term on the right, combine like terms, and use the quadratic formula (unless you can factor it). 5x^2 +4x +1 = -9x +3 5x^2 -13x -2 = 0 Now solve. x = (1/10)[13 +/-sqrt(209)]
*Thursday, October 21, 2010 at 12:07pm by drwls *

**college math 209**

Gather terms on the right-hand-side, and factor: 5y^2-13y=6 5y^2-13y-6 = 0 (5y-3)(y-2)=0 y=3/5 or y=2
*Sunday, January 16, 2011 at 9:00pm by MathMate*

**Chemistry**

The solubility of calcium sulfate at 30 degrees C is .209 g/100mL solution. calculate its Ksp.
*Monday, November 29, 2010 at 9:07pm by Al*

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