Number of results: 185,678
Trigonometry
You need an "argument" after csc and sin e.g. csc Ø = 3.75 = 375/100 = 15/4 then sin Ø = 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 ...
Monday, March 18, 2013 at 7:39pm 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 ...
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 = 1.209•10⁻⁴ yr⁻¹. The fraction of ¹⁴C << ¹²C, => we use the atomic weight of ¹²C to find the number of ...
Tuesday, May 7, 2013 at 9:46pm by Elena
physics
r= 12.1 cm, R= 25.5 cm, d=209 cm, x=? R/x=r/(x-d) r•x=R•(x-d) x=R•d/(R-r) = 25.5•209/13/4 = 398 cm= =3.98 m
Friday, September 14, 2012 at 8:27pm 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=0.7419/0.209•9.8=0.362 (c) Work-energy theorem ΔKE=W(dr) 0-mv²/2=F•s...
Sunday, November 25, 2012 at 4:02pm by Elena
chemistry
XO2 = 0.209 XN2 = 1-0.209 = ? pO2 = XO2*780 = ? pN2 = XN2*780 = ?
Wednesday, March 20, 2013 at 9:10am by DrBob222
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
math
1 209/40
Tuesday, September 20, 2011 at 3:50pm by ashley
college math 209
-6/8 - 6/8 =
Saturday, January 15, 2011 at 10:08pm by bryan
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) ...
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
math 209
perimeter=2L+2W L-4=W
Sunday, July 17, 2011 at 2:33pm by bobpursley
college math 209
25²+20x+4=0
Sunday, January 23, 2011 at 7:03pm by nadine
college math 209
u - 18 = 2 u = 20
Saturday, January 15, 2011 at 10:20pm by helper
math 209
.78=2(3.14)*sqrt.5/g solve for g
Tuesday, February 5, 2013 at 11:36am by shannon
college math 209
are you missing the exponent for 5y^ ?
Sunday, January 16, 2011 at 8:51pm by helper
college math 209
solve for y, 5y^-13y=6
Sunday, January 16, 2011 at 8:51pm 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
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
solve, 3x^2 + 6x - 105
Friday, October 30, 2009 at 2:13pm by Jean
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, ...
Wednesday, December 15, 2010 at 10:26pm by DrBob222
college math 209
simplify the following expression -(x) + 4 (4 v + 2x)
Sunday, January 23, 2011 at 1:53pm by Anonymous
math 209
divide 192 by 20 = 9.6 x 50 = 480
Wednesday, October 13, 2010 at 4:12pm by Sara
math
how do you write 3,209,003,812 in standard form
Wednesday, September 1, 2010 at 11:37pm by kathy
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
2 forms of writing this number. 3,209,003,812?
Tuesday, September 15, 2009 at 5:35pm by nora
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
Math 209
amount = 150 (1.019)^25 = $ 240.13
Monday, August 15, 2011 at 1:22am by Reiny
Math 209
Please check and clarify your Eq. I don't believe it is correct.
Thursday, August 11, 2011 at 5:36pm by Henry
Science/Math
Atomic mass = 200*(1/3)+ 203*(1/3) + 209*(1/3) = 204
Wednesday, April 13, 2011 at 4:01pm by MathMate
college math 209
simplify as much as possible y^2ã48yv^2 - vã12 y^5
Sunday, January 23, 2011 at 7:03pm 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
solve the equation (x+4)^2=2x^+19x+46
Sunday, January 16, 2011 at 9:08pm by Anonymous
college math 209
solve for u, where u is a real number ãu - 18 = 2
Saturday, January 15, 2011 at 10:20pm by Anonymous
5th Grade Math
How do you write 6,549,920 and 945,209? Thanks
Thursday, October 23, 2008 at 8:04pm by Mom
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
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
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
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
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
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
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
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
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
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 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
algebra math 209
-12^2 * 3s = 144 * 3s = 432s
Tuesday, August 17, 2010 at 4:30pm by PsyDAG
Math
313+209 >500 <500
Sunday, February 27, 2011 at 11:05pm by richardson
math
solve the system 7x^2 - 5y^2 + 20y = 3 21x^2 + 5y^2 =209
Saturday, March 10, 2012 at 12:37am by Martin
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
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
write in simplified radical form by rationalizing the denominator 2ã5 + 3/ã5 - 1
Saturday, January 15, 2011 at 10:08pm by Anonymous
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
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
Mth/209
x/3 = 4/ x + 1
Monday, July 5, 2010 at 10:46pm by Gail
Stats
225.209 :]
Saturday, February 26, 2011 at 12:29am by Ruben
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
college 209
that's means square root
Sunday, January 16, 2011 at 6:23pm by Anonymous
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
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
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
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
evaluating polynomials negative 12sq times 3s -12sq *3s
Tuesday, August 17, 2010 at 4:30pm by Anita fields
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
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 ...
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
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
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
Physics
W=F.d W=209 * 10 cos 0degree W=2090 joule
Tuesday, March 19, 2013 at 12:39pm by Unknown
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
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
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
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
college 209
square root of ? '2a7' means? does it mean 2(sqrt7)?
Sunday, January 16, 2011 at 6:23pm by helper
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
algebra 209
write the following in simplified radical form 3 sqrt 250
Sunday, January 16, 2011 at 8:13pm by Anonymous
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
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
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
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
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
basic math
Identify the rate, base, and amount in the following applications. Do not solve the applications at this point. 22% of Shirley’s monthly salary is deducted for withholding. If those deductions total $209, what is her salary?
Wednesday, April 7, 2010 at 1:26pm by tea
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
Math 209
Jonathan I am not sure how you got your answer,,, did you multiply 150x1.017x25 I am just not sure how you got your answer could you help me a little more
Monday, August 15, 2011 at 1:22am by Wanda
chemistry
The concentrations didn't line up correctly...they should be: NH4SH= [.027] NH3=[.0234] H2S= [.209] Thank you!
Monday, January 18, 2010 at 7:58pm by mary
math 209
The perimeter of a rectangle is 44ft the length is 4ft longer than the width. Find the demensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width.
Sunday, July 17, 2011 at 2:33pm by chris
Math 209
My Eq for surface area(excluding top and bottom) does not agree with yours. My Eq: S = 2pi*rh. r = radius. h = height. Please check your Eq. a. S = 2*3.14*0.5*h = 3.14h. b. The surface ara increases with r. ;
Saturday, July 9, 2011 at 6:14am by Henry
Math 209-College Mathematics II
You are in luck with this one. Two pairs of terms have x + 3 as a common factor. x^3 + ax + 3a + 3x^2 = x^2(x + 3)+ a(x + 3) = (x^2 + a)(x + 3) = (x + ia)(x - ia)(x + 3) (i is the square root of -1) Two of the three roots are complex, for real a.
Saturday, May 29, 2010 at 1:27am by drwls
Math 209
rate1=vat/2hrs rate2=vat/4hrs so in 4 hours, three vats could be emptied. combined rate= 3 vats/4hrs time= 1vat/combinedrate= 1.333 hrs
Friday, February 18, 2011 at 8:51pm by bobpursley
Math 209-College Mathematics II
X^3+ax+3a+3x^2 x^2+3x^2+ax+3a x(x+3)+a(x+3) (x+a)(x+3) x= -a, x= -3
Saturday, May 29, 2010 at 1:27am by Anonymous
mth 209
what formula do i use to figure our the usage (in million)of the drug claritin. From the year 2008-2011
Wednesday, January 4, 2012 at 11:46am by Victor
college 209
Why did you ignore Writeacher's advice to follow directions and type your school subject in the appropriate box?
Sunday, January 16, 2011 at 7:01pm by Ms. Sue
Finance
Your hospital has been approached by a major health maintenance organization (HMO) to perform all their diagnosis related group (DRG) 209 cases (major joint reattachment procedures). They have offered a flat price of $10,000 per case. You have reviewed your charges for DRG 209...
Friday, June 24, 2011 at 9:24am by Karam
Math
342 billion / 209 million = 1,636.36364 = 1,636 hours per year 1,636 / 52 = ______ hours per week
Wednesday, January 4, 2012 at 12:55pm by Ms. Sue
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