Number of results: 199,200
precal
(x^2+11)/(3-x) x=4i
Tuesday, August 21, 2012 at 1:03pm by katie
precal
csc u = -6/5 sinu = -5/6 by Pythagoras, and knowing sin u is negative and tan u is positive cosu = -√11/6 we know cosA = 1 - 2cos^2(A/2) or cosu = 1 - 2cos^2(u/2) -√11/6 = 1 - 2cos^2(u/2) 2cos^2(u/2) = 1 + √11/6) cos u/2 = √[(1 + &#...
Thursday, March 18, 2010 at 11:16pm by Reiny
PreCal
Alright thank you. Can I also put them in my calculator? I wasn't sure but I did for the first one and got the same answer.
Sunday, April 3, 2011 at 1:59pm by PreCal
precal
are you supposed to evaluate (x^2+11)/(3-x) when x=4i? If so, just plug it in: ((4i)^2+11)/(3-4i) = (-16+11)/(3-4i) = -5/(3-4i) = -5(3+4i) / (3-4i)(3+4i) = (-15 - 20i)/(9+16) = -3/5 - 4/5 i
Tuesday, August 21, 2012 at 1:03pm by Steve
PreCal
Write each expression in problems 1 to 3 in the form a + bi. 1. (8-3i)+(-6+2i) 2. 4/(2-i) 3. (3-2i)^3 I do not understand at all where to start. I tired looking on google to find a way to solve but I didn't get any real help. So please help me!
Sunday, April 3, 2011 at 1:59pm by PreCal
precal
solve for x: (x^2-2x)^2 -11(x^2-2x)+24
Tuesday, September 18, 2012 at 3:14pm by katie
Precal
11y^3 = 9x - 7x^2 y^3 = (9x-7x^2)/11 y = ( (9x-7x^2)/11 )^(1/3) for every x I choose, there is one and only one value of y so yes, it is a function
Wednesday, January 18, 2012 at 9:01pm by Reiny
PreCal
Thank you so much for your help!
Sunday, April 3, 2011 at 1:59pm by PreCal
calculus
First of all , I think you meant f(x) = 1/(x+5) the difference quotient is (f(l+h) - f(6))/h = (1/(11+h) - 1/11 )/h = (11 - 11 - h)/(11(11+h) (1/h) = -1 / (11(11+h)) I notice another error is your typing you probably meant to type: ..... can be simplified to -1/(a(h+b) ) ...
Friday, February 10, 2012 at 1:22am by Reiny
Precal grade 11
If 3 is one root of 2x^2 + bx + 3 =0 find the other root and the value of b. The answers are r2=1/2 and b=-7 but i dont know how to get those.
Thursday, April 7, 2011 at 5:26pm by Anonymous
math
If we start from 11x=7 we divide each side by 11 to get (11/11)x = 7/11 x=7/11 So x=7/11 would be the correct answer.
Wednesday, July 22, 2009 at 11:25pm by MathMate
math
1 4/7 = 11/7 1 5/6 = 11/6 (11/7) / (11/6) = (11/7) * (6/11) (11/7) * (6/11) = 66/77 = 6/7
Monday, December 6, 2010 at 10:40pm by Ms. Sue
calculus
If you are weak in math, what you need is a precalculus site (or algebra/trig/functions). I would not try to get ahead of the calculus course you will be taking. Try this one: http://jwbales.home.mindspring.com/precal/
Monday, July 28, 2008 at 9:36pm by drwls
statistics
hi, how would i calculate the standard deviation of the following sampling distribution of means. apparently this is the longhanded way of calculating standard error. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11 (2, 2) ... 2 (2, 3) ... 2.5 (2, 6) ... 4 (...
Sunday, November 21, 2010 at 8:50pm by ash
MATH
Start by converting 2 3/4 to an improper fraction. (3+2*4)/4 = 11/4 Divide 11/4 by 1/2. (11/4)/(1/2) = (11/4)*(2/1) = 11/2. Convert back to a mixed number. 11/2 = 5 1/2. The cook cannot bake half a batch of muffins. Round down to 5 batches.
Tuesday, June 30, 2009 at 1:40am by Marth
Math/Algebra Can some one see if I did this correc
-66a^2 = -1 * 11 * 2 * 3 * a^2 11 a^5 = 11 * a^2 * a^3 common are a^2 and 11 so I think 11 a^2
Wednesday, August 25, 2010 at 2:48pm by Damon
math
(5/4)x+(1/8)x=11/8+x (10/8)x+(1/8)x=11/8+x (11/8)x=11/8+x (3/8)x=11/8 Ok now I subtracted from both sides How do I finish the problem out?
Wednesday, January 7, 2009 at 11:03am by deedra
calculus
f(x) = 1/(x+11) where x is not 11 or -11. It looks like it ought to be true for x=11 as well, except that at x=11, we have f(x)=0/0. So, the function is continuous on (-oo,-11) (-11,11) and (11,+oo) While the limit from the left and right at x=11 is 1, the function is not ...
Monday, September 19, 2011 at 2:09pm by Steve
PreCal
a = 12 - 2(n-1) = 14 - 2n The n=1 term is 12 and each successive term decreases by 2. Plug in n=11 and see what you get. I get -8. 12, 10, 8, 6, 4, 2, 0, -2, -4, -6, -8
Tuesday, December 18, 2007 at 6:33am by drwls
Urgent ~ Math
you know, you can easily substitute 11 in for x and see whether it's correct! 3(11-4) = 5(11+2) 3*7 = 5*13 Bzzzzt! 3(x-4) = 5(x+2) 3x-12 = 5x+10 2x = -22 x = -11 check: 3(-11-4) = 5(-11+2) 3(-15) = 5(9) 45 = 45 OK!
Saturday, December 22, 2012 at 1:11am by Steve
math
the problem with your lack of brackets is that we can't decide if you mean (5/4)x.... or 5/(4x) .... I am going to take it according to your typing, so I would multiply each term by 8 to give 10x + x = 11 + 8x 3x = 11 x = 11/3 If it is the other option then your line 11/8x...
Wednesday, January 7, 2009 at 11:03am by Reiny
math
y=sqrt[121-x^2] a. graph the function b. state the domain and range of f(x) when x = +11, y = 0 when x = -11, y = 0 when x = 0, y = 11 never gets bigger If |x| > 11 , y is imaginary so parabola is upside down with vertex at (0,11) and zeros at +and - 11 It never goes ...
Sunday, March 21, 2010 at 7:00pm by Damon
Correction - precal
I had the formula backwards, ... Should have been cos A = 2cos^2(A/2) - 1 or cos u = 2cos^2 (u/2) - 1 -√11/6 + 1 = 2cos^2 (u/2) -√[1 - √11/6)/2] = cos (u/2) I picked the negative value, since we knew u was in III, so u/2 was in II, and in II the ...
Thursday, March 18, 2010 at 11:16pm by Reiny
Math 115
9/11 - 3/11 + 7/11=13/11 which is improper so the answer is 1 1/11?
Friday, September 11, 2009 at 2:02pm by sally
Math
7 11 10 7+11+10=11+9+8=28 9 8 8 9 10 8+9+10=9+7+11=28 7 11 8 7 11 8+7+11=7+9+10=26 9 10 of the three possible solutions only 7, 9, and 11 will work in the center horizontal row.
Wednesday, October 21, 2009 at 12:59pm by george
Math Analysis (PreCal)
y = 2sin(4(x-2/3))
Thursday, March 7, 2013 at 11:12pm by Steve
Math precal
well, (a+b)^2 = a^2+2ab+b^2 that should help
Thursday, January 10, 2013 at 11:45pm by Steve
precal
if you mean solve (x^2-2x)^2 -11(x^2-2x)+24 = 0, then let u = x^2 - 2x and you have u^2 - 11u + 24 = 0 (u-8)(u-3) = 0 now plug back in for x: (x^2-2x-8)(x^2-2x-3) = 0 (x-4)(x+2)(x-3)(x+1) = 0 That help?
Tuesday, September 18, 2012 at 3:14pm by Steve
math
ok, i typed it out right this time. (5/4)x+(1/8)x=11/8+x (10/8)x+(1/8)x=11/8+x (11/8)x=11/8+x (3/8)x=11/8 Ok now I subtracted from both sides How do I finish the problem out?
Wednesday, January 7, 2009 at 11:35am by deedra
math
hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for the question my ...
Sunday, November 21, 2010 at 9:00pm by ash
math: precal
How do I find the zeros of a polynomial function?
Sunday, March 20, 2011 at 4:54pm by leena
algebra mental math distributive property
Three ways you could do the multiplication mentally: 9(11.6)=9*10 + 9*1.6 = 90 + 14.4 = 104.4 9(11.6)=9*11 + 9*0.6 = 99 + 5.4 = 104.4 11.6(9)= 11.6*(10-1) =116 - 11.6 = 104.4
Monday, September 26, 2011 at 7:42pm by MathMate
MATH
Convert each number to a whole fraction: 4 5/7 = (4*7 + 5)/7 = (28+5)/7 = 33/7 3 2/3 = (3*3 + 2)/3 = (9 + 2)/3 = 11/3 33/7 / 11/3 = 33/7 * 3/11 = (33*3) / (7*11) = 99/77 = (9*11)/(7*11) = 9/7
Monday, December 10, 2012 at 5:25pm by Jennifer
math
The perimeter of the rectangle is 22m. So 2(l+w) = 22. l+w = 11 l = 11-w Also, l^2+w^2 = 5^2 by Pythagorean Theorem. Substitute in l = 11-w: (11-w)^2+w^2=5^2
Tuesday, January 4, 2011 at 7:08pm by Marth
math
(n^2+3)(n+11) You could either use FOIL or the distributive property directly like this n^2(n+11) + 3(n+11) = n^3 + 11 n^2 + 3 n + 33
Saturday, April 17, 2010 at 3:07am by Damon
math 116
Looking at your second line, I concluded that you wanted -2/11 divided by -9/11 that equals (-2/11)(11/-9) = 2/9
Friday, November 20, 2009 at 10:14pm by Reiny
math help
Subtract. Write the answer in lowest terms. 7/11 - 3/11 7-3=4 11 stays the same: =4/11 is this correct?
Saturday, July 25, 2009 at 8:57pm by unknown
math
which pair of fractions is not proportional a/ 3/11 = 6/22 b/ 3/11 =7/19 c/ 3/11 = 9/33 d/ 3/11 = 12/44
Thursday, November 13, 2008 at 4:14pm by Deb
math
Which pair of fractions is not proportional? ? (a) 3/11= 9/13 ? (b) 3/11= 6/22 ? ? ( c) 3/11=12/44 (d) 3/11 = 7/19
Thursday, September 4, 2008 at 7:19pm by Robin
math problems
If you mean √(7/11) then √7/√11 * √11/√11 √(7*11)/11 √77/11 As you go on, I think you'll come to realize that rationalizing the denominator is often a waste of time. I think 1/√2 is just as ...
Thursday, March 14, 2013 at 11:31am by Steve
Math
With a ratio of 5/11, that 5" will be adequate. 5/11 = 5/x However, for the 4": 5/11 = 4/x Multiply both sides by 11x and divide by5. x = 4(11/5) = 8.8
Monday, January 28, 2013 at 10:16pm by PsyDAG
University of Phoenix.
Which pair of fractions is not proportional? A)3/11=9/33 B)3/11=6/22 C)3/11=12/44 D)3/11=7/19
Friday, January 28, 2011 at 3:10pm by MATH 115
Math
3/11 Divide 3 by 11 = 0.2727 Think about it. 3/11 is 3 parts out of 11. The quotient must be less than 1.
Wednesday, November 3, 2010 at 6:45pm by Ms. Sue
math
(y+4)/(x-1) = (7+4) / (2-1) (y+4)/(x-1) = 11 y + 4 = 11 x - 11 y = 11 x - 15 so I get none of he above unless d is a typo
Monday, February 16, 2009 at 5:47pm by Damon
Alegbra 1
X^2-12=-11 First add 11: x^2-12+11=0 Next: (x-11)(x-1)=0 Set each equal to 0: (x-11)=0 (x-1)=0 Get x alone by adding: x=11 x=1 Answer: (11,1) Check work by plugging numbers into original equation.
Thursday, May 2, 2013 at 11:03pm by Will
Math
I think I see what you are driving at now. 9.8.10 7 11 9.10.8 7 11 9.8.10 11 7 9.10.11 11 7 7.8.11 9 10 and the same variations as shown above. 11.7.10 8 9 and the variations.
Monday, October 19, 2009 at 1:00pm by tchrwill
Math: Parabola, Vertex
F(x) = -x^2/7 - 2x/11 + 1/121, h = -b/2a = (2/11) / (-2/7) = -7/11. k = -(-7/11)^2/7 -2(-7/11)/11 + 1/121, k = -(49/121*1/7 + 14/11/11 + 1/121, k = -7/121 +14/121 + 1/121 = 8/121. V(h,k) = V(-7/11,8/121).
Wednesday, July 13, 2011 at 2:12pm by Henry
Math fraction division
(11/4) / (11/5) (11/4) * (5/11) = 55/44 = 1 11/44 = 1 1/4
Monday, January 10, 2011 at 7:17pm by Ms. Sue
math, really need some feedback asap.
5/8 x+1/16 x=11/16+x 16*(5/8 x+1/16 x) = 16(11/16+x) 10x + x = 11 + 16x, so the next step is: 11x = 11 + 16x (get x-terms on the left.) -x = 11 (divide by -1.) x = 11 Is this correct?
Thursday, September 30, 2010 at 11:03pm by SAP
statistic
o Formulate a hypothesis statement regarding your research issue.? o Perform a regression hypothesis test on the data.? o Interpret the results of your regression hypothesis test.? 11,809 12,009 12,095 12,050 11,671 11,952 11,975 11,774 10,864 11,402 11,871 11,794 11,674 12,...
Saturday, October 9, 2010 at 7:06pm by jessika
Mean, Median, Mode, And Range
8,11,11,11,11,14 or 8,9,11,11,13,14 or 8,10,11,11,12,14
Monday, January 9, 2012 at 10:38pm by drwls
CALC 1
Hey, thank me in class for doing your work for you :P Look for the pattern f(11) = 11 f(14) = (11 - 1)/(11 + 1) = 10/12 = 5/6 f(17) = (5/6 - 1)/(5/6 + 1) = (-1/6) / (11/6) = -1/11 f(20) = (-1/11 - 1)/(-1/11 + 1) = -12/11 / (10/11) = -12/10 = -6/5 f(23) = (-6/5 - 1)/(-6/5 + 1...
Wednesday, July 4, 2012 at 10:09pm by Your friendly neighborhood classmate
math 116
- 2/11€(-9„ 11)= - 2/11 * -11/9 = 18/22?
Friday, November 20, 2009 at 10:14pm by Chrysanne
Math 115
9/11 - 3/11 + 7/11= 1/11? write in lowest terms
Friday, September 11, 2009 at 12:48pm by A
Math
4 7/11 how you do it: 10-5 4/11 9 11/11- 5 4/11=4 7/11
Wednesday, December 15, 2010 at 8:32pm by Gabby
math, really need some feedback asap.
here's the next step: 11x-16x = 11 (collect like terms and solve for x.) -5x = 11 -x = 11 x = 11 Thank you TutorCat, the answer does match.
Thursday, September 30, 2010 at 11:03pm by SAP
math
x^2 + 9x - 22 = 0 (x+11)(x-2) = 0 x = -11 or x = 2 but x is to be positive, so x = 2 then y^2 - 13y + 24 = 2 y^2 - 13y + 22 = 0 (y-11)(y-2) = 0 y = 11 or y = 2 so the sum of these y values is 11+2 = 13
Thursday, March 21, 2013 at 6:15am by Reiny
precal/math
use calculator to approximate sec 10 degrees. round to 2 decimal places.
Monday, January 11, 2010 at 5:47pm by justjen93
math
In that case, things are still a bit off: 42+8-3(8-2)+11 42+8-3(6)+11 42+8-18+11 50-18+11 32+11 43 multiplication comes before addition
Monday, October 22, 2012 at 8:25pm by Steve
math 208
s-7/11=26/11 s = 26/11 + 7/11 s = 33/11 = 3
Tuesday, March 6, 2012 at 4:03pm by Ms. Sue
Math
Factorisation : 4356 = 2 * 2 * 3 * 3 * 11 * 11 60 = 2 * 2 * 3 * 5 4356 / 60 = 2 * 2 * 3 * 3 * 11 * 11 / ( 2 * 2 * 3 * 5 ) = 3 * 11 * 11 / 5 = 363 / 5 = 72.6
Sunday, March 18, 2012 at 2:13pm by Bosnian
math
I drew three overlapping circles. all three =11 math and history only 13-11 = 2 english and history only 19-11 = 8 math and english only 24-11 = 13 so math only = 59-13-11-2 = 33 english only = 51-13-11-8 = 19 history only = 35-2-11-8 = 14 add them all up and you get 100, so ...
Saturday, October 18, 2008 at 8:38pm by Damon
integrated math
consider the line equation y+5=11-x. which of the following points lie on this line? (more then one answer.) A. (5,1) B. (0,0) C. (5,11) D. (11,-5) E. (11,5)
Tuesday, October 23, 2012 at 9:56am by Anonymous
math
Brad, you forgot the left hand sided x 11x/8=11/8 + x subtract x from both sides 3x/8=11/8 multiply by 8 3x=11 x=11/3
Tuesday, November 17, 2009 at 7:50am by bobpursley
math
just start putting the words into symbols. If your age is a, (a + a/2 + a/3 + 3)*3 = 6*20+10 (11/6 a + 3)*3 = 130 11/2 a +9 = 130 11/2 a = 121 a/2 = 11 a = 22
Tuesday, October 16, 2012 at 1:54pm by Steve
math need asap
10x + x = 11 + 16x, so the next step is: 11x = 11 + 16x (get x-terms on the left.) -x = 11 (divide by -1.) x = 11 Is this now correct?
Thursday, September 30, 2010 at 10:01pm by SAP
math
A little thought should make it clear that since x is farther from 11 than from 19, 1. x is between 11 and 19 2. x > 19 If 11<x<19, x-11 = 3(19-x) x-11 = 57-3x 4x = 68 x = 17 If x > 19, x-11 = 3(x-19) x-11 = 3x-57 2x = 46 x = 23 check: 17 is 6 from ...
Thursday, January 24, 2013 at 10:36pm by Steve
Math
Solve quadratic equation: 11 m ^2 + 14m - 16 = 0 The solutions are: m1 = -2 m2= 8/11 Use formula for factoring quadratic equation: a m ^ 2 + b m + c = a(m - m1)(m - m2) Where m1 and m2 are solutions of quadratic equation In our case we have: 11 m^ 2 + 14 m - 16 = 11(m - (-2...
Thursday, November 3, 2011 at 1:39am by Anonymous
Math
Consider a polygon ABCDE with coordinates A(0,4), B(3,0), C(7,2) , D(11,6) and E(8,15) Choose all possible pairs from below at which a maximum over the region can be attained by a non constant linear function. [(0,4),(7,2)] [(0,4),(8,15)] [(7,2),(11,6)] [(11,6),(8,15)] [(0,4...
Saturday, February 26, 2011 at 12:22am by Melissa
calculus
2(xy)(x dy/dx + y) + x dy/dx + y - 1 = 0 plug in (-11,0) 2(-11)(0)(-11dy/dx + 0) + (-11)dy/dx + 0 - 1 = 0 -11 dy/dx = 1 dy/dx = -1/11 so now you have the slope -1/11 and the point(-11,0), equation of tangent: 0 = -1/11(-11) + b 0 = 1+b --> b= -1 y = (-1/11)x - 1
Friday, October 28, 2011 at 6:28pm by Reiny
math
Can someone help me finish this problem I am stuck! 5/4x+1/8x=11/8+x 10/8x+1/8x=11/8+x 11/8x=11/8+x 19/8x=11/8
Wednesday, January 7, 2009 at 11:03am by deedra
math
(3X^2 * (3)/11 - 5*5^2. Common denominator = 11: (3X^2*(3)-55*25) / 11=(9X^2-1375)/11.
Tuesday, June 7, 2011 at 9:17pm by Henry
math
1.0 = 1 1.1 = 1 and 1/10 1.11 = 1 and 11/100 you can also think of the same this way: 1.0 = 1 and 0/100 1.1 = 1 and 10/100 1.11 = 1 and 11/100 thus, 1.11 is the largest of the three. Using this template, you can solve the problem.
Tuesday, March 27, 2012 at 11:15pm by A.P.
Math Analysis (PreCal)
write the equation of a sine function whose amplitude: 2 period: π/2 phase shift: 2/3
Thursday, March 7, 2013 at 11:12pm by Daijha
math, really need some feedback asap.
plug the value you found for x to determine whether or not this value is correct. Like so: 5/8(11)+1/16(11)=11/16+ 11 11x = 11 + 16x here's the next step: 11x-16x = 11 collect like terms and solve for x
Thursday, September 30, 2010 at 11:03pm by TutorCat
alegbra 1
1). 3y=11-2x 2). 3x=y-11 Using equation 1: y = (11-2x)/3 Substituting into equation 2 3x = (11-2x)/3 - 11 x = (11 -2x)/9 - 11/3 x + 2x/9 = 11/9 - 11/3 11x/9 = 11/9 - 11/3 solve for x Then plug x into either equation 1 or 2, and solve for y 2) Use a similar procedure, as shown ...
Wednesday, October 31, 2012 at 2:56pm by Jennifer
math
0.11 * 165gal * 3.78 l/gal = 68.6 liters Since you didn't specify which is the 11%, it's hard to say which whether the 11% is gasoline or methanol. However, I suspect that the 11% is methanol, so I think you can take it from here.
Thursday, September 13, 2012 at 9:46pm by Steve
math
Is this the right answer? 42+x-3(x-2)+11 42+8-3(8-2)+11 47×6+11 282+11 293
Monday, October 22, 2012 at 8:25pm by taliah
math
If you mean 4/x = √11 - 1/3 4/x = (3√11-1)/3 x/4 = 3/(3√11-1) x = 12/(3√11-1) or, if you insist on rational denominators, x = 12(3√11+1)/98 = 6(3√11+1)/49
Tuesday, March 26, 2013 at 12:43am by Steve
Algebra II
you have 2x√11/(√11+3) multiply by √11-3 up and down: 2x√11(√11-3)/(√11+3)(√11-3) (2x*11 - 6x√11)/(11 - 9) (22x - 6x√11)/2 11x - 3√11 x
Thursday, December 8, 2011 at 8:12pm by Steve
Math
I need to know the standard deviation and how to get it for the following set of numbers. {10, 11, 10, 12, 11, 10, 11, 11, 12, 13, 11, 10, 14}
Saturday, January 9, 2010 at 12:13pm by Anna
Math
first equation: x-y=11 ---> x = y+11 sub into 2nd 3x + 10y = -6 3(y+11) + 10y = -6 3y + 33 + 10y = -6 13y = -39 y = -3 , then x = -3+11 = 8
Tuesday, December 6, 2011 at 10:34pm by Reiny
math
1/x + 1/x+2 =11/60 What's the first step to find value of x? Multiply both sides of the equation by x(x+2) You get: x+2 + x = 11/60 x*(x+2) --> 11/60 x^2 + (11/30 - 2)x - 2 = 0
Friday, February 2, 2007 at 1:05am by Al
Math 126
Arithmetic, the common difference is 11. 15 - 4 = 11 26 - 15 = 11 37 - 26 = 11 48 - 37 = 11 59 - 48 = 11
Monday, March 7, 2011 at 12:37am by Helper
math
The domain of x - 3 = 2√11-2x is R (real) minus the part where (11-2x) is negative, whence (11-2x)<0 => 2x>11 => x> 11/2 Therefore the required domain is (-∞,11/2]
Saturday, May 5, 2012 at 5:46pm by MathMate
Math help!
Place the following set of numbers in ascending order. -2/11, 5/8, 1/8, -1/9, 4/9 Well start by putting the most negative number first. 5/8 is bigger than 4/9. And 4/9 is certainly bigger tnan 1/9. Give it a try and I'll tell you if you get it right -1/9, -2/11, 1/8, 4/9, ...
Sunday, March 25, 2007 at 10:50pm by carol
math
sqrt(121) = 11 so pool is 11 by 11 11 + 2w = 20 2w = 9 w = 4.5
Wednesday, January 18, 2012 at 8:21pm by Damon
Math
3log10of(x-6)=11 log 10 (x-6)^3 = 11 (x-6)^3 = 10^11 x-6 = 10^(11/3) x = 10^(11/3) + 6 for the second, let e^x = a then we have a^2 + 10a - 25 = 0 (a-5)^2 = 0 a = +- 5 e^x = 5 or e^x = -5 (the second has no solution) x = ln5
Sunday, December 20, 2009 at 7:00pm by Reiny
MATH!!!!!!!
in the expansion of (x+y)^11 we get x^11 + 11x^10y + 55x^9y^2 + ... + 11xy^10 + y^11 each term will have some combination of x and y so that the exponents add up to 11 A constant would have no variables, which cannot happen in the above question.
Thursday, January 13, 2011 at 3:36pm by Reiny
math
just want to chack my answers: 1. Find the least common multiple of 3, 6, and 9. A-36? 2.Add. Write the answer in simplest form.3/11+9/11+1/11= 1 2/11? 3.Four buttons have diameters of 5/8,3/4 ,9/16 ,7/8 and inches. Which button is smallest? A~9/16?
Saturday, September 19, 2009 at 5:06pm by A~
math
1. What you probably meant was 2x/(5y) = 6 then 2x = 30y y = 2x/30 = x/15 2. Again, without brackets, we could assume you meant 11/(4-a) = 3 but I will take you at face value and do it according to the order of operation. 11/4 - a = 3 11/4 - 3 = a a = 11/4 - 12/4 a = -1/4 ...
Sunday, January 27, 2013 at 4:35pm by Reiny
Math
Here's how he distributed the papers. The vertical bar separates the paper that have been distributed and those remaining. The last line shows the papers in the original order which was distributed. All we need to do is to put in the desired order of colours, RED, WHITE ...
Sunday, January 30, 2011 at 7:40pm by MathMate
Math
it's (x^11)*sqrt(x), because sqrt(x^23) sqrt(x*x^22) sqrt( x * (x^11)^2 ) then sqrt of (x^11)^2 is x^11, so we can take it out: x^11 * sqrt(x) hope this helps~ :)
Wednesday, May 4, 2011 at 9:58pm by Jai
technical math/precal
18/3square roots of 6-7square roots of 2
Tuesday, May 3, 2011 at 2:40pm by Becky
math 140
7(3x+9)+(x+3)=11 21x + 63 + x + 3 = 11 22x = 11 - 66 x = ?
Thursday, April 4, 2013 at 6:31pm by Ms. Sue
math
add 5/4x and 1/8x then u get 11/8=11/8+x subtract 11/8 to the other side which leaves 0=x
Tuesday, November 17, 2009 at 7:50am by brad
Math
Here is the problem: Compute the value of the given expression: - | -8 | - | -11-8 | My answer is this: 8+11-8=11. Is this correct? Thanks.
Friday, July 3, 2009 at 3:56pm by B.B.
math
hi J x+6=-5 6=-5 6--5=x x=-11 For line 1 , add -6 to both sides to get value of x this will give x +6 -6 = -5 -6 ie. x + 0 = -11 ie X = -11
Wednesday, January 5, 2011 at 10:46pm by Kay
Math B30
looks geometric with a=8 r=1/4 sum(11) = a(1-r^11)/(1-r) = 8(1-(1/4)^11)/(1-1/4) I will let you work it out
Tuesday, June 15, 2010 at 10:58pm by Reiny
Math
Find the range of the data set. {11.3, 7.3, 8.8, 6.4, 9.2} Highest 11.3 lowest 6.4 11.3-6.4 = 4.9 Answer: 4.9 Right?
Tuesday, July 12, 2011 at 8:14pm by candy
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