Saturday

September 24, 2016
Number of results: 96,796

**Math 116 algebra please check**

Solve using the multiplication principle. 10x= -90 The solution is x = -9 please check

*July 16, 2008 by jay jay*

**Pre-Algebra(please check)**

Please check these simplified expressions(my answer is after the ;) 4(2k-6)-8(3-3k); -16k-(-48) 9+(-2k)+(-4)-6k; -8k+5 -x+4x-(-8x)-9+2x+1; 13x+(-8) 5(-3x+6)+8x; -7x+30 8+6x+4-8x; -2x+12 5(-m-3)+4m-10; -9m+5

*May 18, 2008 by Jillian*

**Algebra**

Please check and see if my answer are correct 1). 24v^2w^5x^8-20v^7w^9= -4v^2w^5(5v^5w^4-6x^8) 2). 81-25z^2= (5z+9)(9-5z) 3). 5y^3-7y^2-15y+21=(y^2-3)(5y-7) 4). x^2+4x-12= (x+6)(x-2) 5). 3x^2-26x+16= (x-8)(3x-2) 6).4v^6+6v^5-18v^4= 2v^4(2v-3)(v+3) 7). solve for y y^2+6y+8=0 y...

*August 11, 2014 by Mari*

**Math 116 algebra please check**

Solve for the indicated letter. e=9f, for f The solution is f = 1/9e Please check this

*July 16, 2008 by jay jay*

**Math 116 algebra please check**

Simplify 6[-73-(-19-83)]=174 Please check

*July 16, 2008 by jay jay*

**Math 116 algebra please check**

Multiply 1/7×(-3/7)=-3/49 Please check

*July 16, 2008 by jay jay*

**Algebra-Please check**

Please check- sqrt of 2x + 15 = x Answers: -5.3 -3.5 -3 5 I think according to my calculations it would be 5, correct? sqrt root of 7-x = 3-solve for x Answers: -2 2 4 -4 My choice would be 2 Is that correct- I squared both sides and came out with 7-x = 9 and then x = 2 Thank ...

*October 12, 2010 by Juliette*

**Algebra-Can you please check this Reiny**

Can you check this: x^-3y^2/x^2y^-4 I think the answer is y^6/x^5 Thanks for explaining the other problem

*October 6, 2010 by DeAnne *

**Algebra-Please check**

We're learning arithmetic sequences-please check this for me-it's my first day calcuulating htese and I'm not sure If t(1) = 5 and t(n) = t(n-1) + 2, find the first 4 terms of the sequence I think it would be 5,7,9,11 because the difference is 2 so I just added 2 to each of ...

*May 2, 2011 by Jodie-*

**algebra**

please check and correct thanks Problem: solve and check the inequality if possible |4F+8|< 12 positive: negative: |4F+8| < 12 |4F + 8| < -12 4F + 8 -8 < 12 - 8 4F +8-8 < -12-8 4F < 4 4F< -20 F < 1 F< -5 solutions 1 and -5 or -5 < F < 1 check ...

*February 7, 2012 by ann*

**language art CHECK**

Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct. thank you

*January 17, 2012 by saranghae12*

**Algebra**

Hello, can someone help me solve and check the following 1) x - 8 = 20 Check: 2) x + 15 = 35 Check: 3) -x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course.

*January 8, 2010 by Tamir*

**Algebra-please check**

Could someone please check my solution-Thank you-DRWLS helped me set it up and I solved it, I think From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground to Jessie is 38 ...

*January 7, 2011 by Joseph*

**Algebra**

Hello, can someone tell me if I got the following solve and check work correct? 1. solve and check 1/2x = 3 5/6 1/2x = 3 5/6 1/2x = 23/6 3x = 23/3 x = 23/3 And to check for it 1/2x = 3 5/6 1/2x = 23/6 46x = 6 x = 6/46 x = 3/23 2. Solve and check 3x + 2 / 2 = 7 3x + 2 / 2 = 7 ...

*April 13, 2010 by Tamir*

**algebra**

Help me please I get confused with the positives and negatives. Please be kind to check my work and let me know where am I going wrong -4x + 10 = 58 -4x + 10 -10 = 58 -10 (is it - or +10?) -4x = 48 or 68 (do i add 58&10 or sub?) -4x/-4 = 48/-4 or 68/-4 (is the 4 -or+) x=12 or ...

*November 13, 2010 by thawk*

**Algebra I-**

(solving for x) 3(x+5)=6x-4+7(-7x-1) Each time I try this i plug the numbers in and i find out that i am worng. Please help! I get -13/23 but I didn't check it. Post your work if you want me to check it and find your error.

*January 21, 2007 by Victor*

**Algebra-please check**

Please check these: 1.When the fraction 2/3 is used as exponent, wht role does the denominator 3 play in evaluating expression? I think it indicates cube root of the base,correct? 2.sqrt of (2^4x/4^-2x) is equilvalent to 2^4x, correct? 3.Simplify (2xy^-2z^4/y^-3/z^3)^2 would ...

*December 12, 2011 by Tabitha*

**ALGEBRA 1**

Can someone please check on these for me please .Thanks Use the Quadratic Formula to solve 1.

*April 19, 2007 by DANIELLE*

**Algebra**

Check my answers please 😁 6.-4-5(x+8) A) -5x - 44 B) -5x + 36 C) -x - 8************** D) -20x + 8 7. 3x+4(x-6)-3(x-7) A) 4x - 45************ B) 4x - 3 C) 10 X -3 D) 10x + 45 8. 8 + 8 < -28 A) x<-36 B)x<-20************ C) x<20 D) x<36 9. R/15>-3 A)r>...

*February 26, 2016 by Amb.*

**algebra**

can someone please check my answer for me? 6-2x=6x-10x+14 I got x=-2 is this correct? if not please let me know which step I missed.. thank you

*September 24, 2009 by Anonymous*

**Math 157**

Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...

*December 8, 2010 by Rena *

**algebra 2**

check my answer please find the number of zeros(x-intercepts) y=3k^3-6k^2-45k=k(3k+9)(k-5)= k(3k^2-15k+9k-45)=k(3k^2-6k-45) or should i do it 3k(k-5) (k+3)=3k(k^2+3k-5k-15)=3k(k^2-2k-15) which on is the right one please let me know.thanks

*December 7, 2012 by lisa*

**Math**

Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...

*December 8, 2010 by Rena *

**7th grade math check**

Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...

*April 12, 2012 by saranghae12*

**Algebra II-Please check**

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...

*May 13, 2011 by Jodi*

**Algebra II Please check-**

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...

*May 13, 2011 by Jodi*

**Algebra **

Please check: 2x-1<9= 2x<10=x<5 Thanks

*September 30, 2009 by Maxie*

**Algebra-Please check my work**

Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=o/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = ...

*October 20, 2010 by JoniAnne*

**Algebra-Please check-I'm desperate**

Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=0/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = ...

*October 20, 2010 by JoniAnne*

**Algebra 1--Please, check my answer!**

Solve. Check your answer. 1. ((1)/(x)) = ((2)/(x^2)) A: x = 2

*June 3, 2014 by Victoria*

**algebra**

x^+5x-6=0 x^+5x-6=(x+2)(x-3) (x+2)(x-3)=0 x+2=0 or x-3=0 x=-2, or x=-3 check this please let me know if right.

*May 16, 2010 by Johnnie*

**college algebra**

x/2-x/x-4=-4/x-4=-4x^2/2 check this please

*May 24, 2010 by Gregory*

**pre-algebra**

3x + 4=19 x=5 -32=24-2f f=16 Please check.Thank you.

*January 28, 2015 by marybeth*

**pre-algebra**

3m-4=14 m=6 11=2y-15 y=13 Please check Thank you.

*January 28, 2015 by marybeth*

**Algebra-please check my work**

check my answers please. Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers. f(x) = 2x3 + 10x2 - 8x - 5; between 1 and 2 -I got: f(1)=1 and f(2)=35;no Determine the maximum possible number of turning ...

*October 15, 2007 by emma*

**Algebra**

Would someone please check these answers? Simplify. 3/x-5+1/1-4/x-5 For this answer I got: x-2/x-9 Divide. x^2-49y^2/6x^2+42y/(x^2-7xy) For this answer I got: (x+7y)/6x(x^2+7y) Add. Express your answer in simplest for. x/6+3x/6 For this answer I got: 2x/3 Please check my ...

*July 12, 2007 by Linda*

**Algebra-Please check my answers**

Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x...

*October 18, 2010 by Jessie*

**Algebra-Please check my answers**

Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x...

*October 18, 2010 by Jessie*

**Algebra 1**

(4x^6-7)(x^8-4) = 4x^14-7x^8-16x^6+28 Check my answer please.

*July 3, 2008 by Diane*

**Algebra**

Could you please check my work? 3/(x-7)=2/(2x+1) 3(2x+1)=2(x-7) 6x+3=2x+-14 x=-4.25 I appreciate it.

*November 30, 2009 by Nathan*

**Algebra..**

f(x)= x^2+3 ; g(x)=3x-1 Check These Please? 1.(fg)(-1) = 5 2. (f o g)(1) =10 How would you solve this? 1. (g o f)(x)

*September 14, 2012 by Sara*

**Algebra 1--Please, check my answer!**

Solve. 1. ((3)/(s-6)) = ((4)/(s)) + ((1)/(2s))

*May 31, 2014 by Victoria*

**Algebra 1--Please, check my answer!**

Solve. 1. ((3)/(a-4)) = ((a) / (a-2)) A: a = 6 or a = 1

*May 31, 2014 by Victoria*

**Algebra, check please?**

5(N+2)=3/5(5+10n) And then I wrote down 5n+10 But what would do after that? I know that the equal sign basically cuts it inhalf so that it's two problems.. but I just don't know what to do from that point. Help please? -Allyson

*October 18, 2010 by Allyson*

**English-CHECK PLEASE**

Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone B:homonyme C:synonym D:simile ...

*April 15, 2011 by Catherine*

**Algebra..**

Check These Answers Please? f(x)= x^2+3 ; g(x)=3x-1 1. (f+g) =x^2+3x+2 2. (f+g)(3) = 20 3. (f-g)(x) = x^2+3x-4 4.(fg)(x) = 3x^3+1x^2-9x+3 5. (fg)(x) =5 6. (f/g)(x) =(x^2+3)/(3x-1) Compostitions of functions : 7. (f o g)(x) =3x^2+4 8. (f o g)(x) =10

*September 11, 2012 by victoria*

**algebra check please**

7(4 - t) = -84 i got: 28 - 7t = -84 -28 = -28 7t = -112 ----- ----- 7 = 7 t = -16 is this right : -16

*October 1, 2012 by marko *

**pre-algebra**

Please check -42=4n+17n N=3.09 13+10c-4=-29 C=-3.8

*February 5, 2015 by marybeth*

**ALGEBRA 2 help please would appreciate **

x x _____ - _____ = x^2+9 ________ x+3 x-3 X^2-9 solve for x. and check answer thank you show work please

*October 1, 2013 by lisa*

**algebra check + help please?**

How do I solve this? -90>( with an line under that sign) 4T I think you flip the sign or something? I'm not really sure.. Could someone please help?

*January 4, 2011 by Allyson*

**algebra check please**

a=-2 b=5 c=-4 d=6 question is b^2-2bc+c^2 see if i did the steps right please (5^2)-(2*5*-4)+(-4^2) (5^2)-(10*-4)+(-4^2) (5^2)-(-40)+(-4^2) 5^2-(-40)-4^2 25-(-40)-4^2 25+40-4^2 25+40-16 65-16 49 No. Minus four squred is positive sixteen. eighty percent of 280 is what number? ...

*March 12, 2007 by sara*

**algebra**

If you write a check without enough money in the bank a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 15% of the amount of the check plus a $25 processing fee. Let the "n" amount of the check and the

*August 21, 2010 by Anonymous*

**college algebra**

can someone check my answer for me please! 5x+6y=18 solve for y 6y=18-5 y=3-5/6x

*November 16, 2007 by Alicia*

**Algebra 1**

Please help me check my answer. Solve by completing the square. x^2-4x=10

*June 14, 2008 by Cynthia*

**Math 116 algebra please check**

Evaluate x+y/6 for x =57 and y=3 the answer is x+y/6=10

*July 16, 2008 by jay jay*

**Math 116 algebra please check**

Solve -0.8x < -56 The solution is x<70

*July 16, 2008 by jay jay*

**Math 116 algebra please check**

Solve 8x - (5x + 7)= 17 The solution is x= 8

*July 16, 2008 by jay jay*

**Math 116 algebra please check**

Solve 5/2x + 1/4x = 9/4 + x The solution is x 9/10

*July 16, 2008 by jay jay*

**Algebra, ( check please)**

A/3+4=6 I subtracted 4 from 4, and 4 from 6. and I got A/3+2= But how do I solve it from here?

*October 12, 2010 by Allyson*

**aLGEBRA 2 help please would appreciate **

x/x+3 -x/x+3=x^2+9/x^2-9 solve for x and check your answers

*October 1, 2013 by lisa*

**Algebra-Please check**

Please check- Solve 3 > sqrt(3x) 3x >=o x>=o/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = 27 -5x = 25 x = -5, correct? Thank you

*October 20, 2010 by JoniAnne*

**Physics check**

I just want somebody to check my answer on this problem please :-) There is a box which weighs 1000 kg. There is an applied force acting upon it with a force of 20000 N (horizontally). The mu is 1.2. What is the acceleration (again, horizontally) of the object? I got 8.24 m/s^...

*November 5, 2007 by Emily*

**Math- Algebra II**

Please check if I did this right... √(2x+1)+7= 3 -7 -7 √(2x+1)= -4 Square everything √(2x+1)^2= -4^2 2x+1=16 -1 -1 2x=15 divide by 2 on both sides x=7.5 CHECK: (Plug it in) √(2(7.5)+1)+7= 3 √(16)+7= 3 4+7=3 11 doesn't equal 3 so the answer is no ...

*February 16, 2011 by Lala*

**algebra check please**

help i am stuck : -8 - 5y = 12 - 9y i got: -8-12 -5y = 12-12 - 9y -20 - 5y = 9y -20 +20 - 5y - 9y im so stuck idont understand this one can you please help me

*October 1, 2012 by marko *

**Math (Check)**

The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) -3 4) .25 I think that the correct answer is 3) -3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!!

*March 9, 2009 by jess*

**Calculus - please check my work**

Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are correct, thank you.

*June 18, 2012 by Henry*

**PLease Check My Work**

3. T^2-25/t^2+t-20= (t-5) (t+5)/ (t-10) (t+2) 4. 2x^2+6x+4/4x^2-12x-16= 2(x+2) (x+1)/4 (x-4) (x+1) 5. 6-y/y^2-2y-24= 1/(y+4) *Please check them.- 3. (t-5)(t+5) / (t+4)(t-5) 4. 2((x-1)(x+2)) / 4((x+4)(x-1)) 5. (6-y) / (y+6)(y-4) i dont really understand what this is... but lol ...

*February 22, 2007 by Margie*

**ALGEBRA**

can I please get some help with this problem. FACTOR . CHECK BY MULTIPLYING 4x²+12x

*May 10, 2008 by CYNTHIA*

**Algebra**

x-8/x-9-x+1/x+9+x-17/x^2-81 =x^3-81x^2-7x-27/x^2. Can some check this my answer and see if it corre4ct please.

*July 3, 2008 by Cynthia*

**Math 116 algebra please check**

Solve -8¡Ü4x-7¡Ü-2 The solution is -1/4,5/4

*July 16, 2008 by jay jay*

**algebra: please check**

p/3-3p/8=3 p-3p/8=9 p-3p=72 -316 I am not sure if I did this right. Just guessing.

*June 10, 2010 by bb*

**algebra**

Solve the equation check for extraneous solutions 9[9-8x]=2x+3 please explain

*September 8, 2012 by kevin*

**Algebra Emergency!!**

Find the inverse of f(x)=2x+1/x-1 and please VERIFY(CHECK) Thanks so much

*October 2, 2013 by Jane*

**math-please check my answer**

0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?

*July 30, 2010 by Michelle*

**Algebra-Please check my calculations**

Could you please check my answers and help with the ones I can't figure out- 1. Solution to the radical function sqrt(1/2x+1) = 1 is x = 0 True or False I think it is true according to my calculations 2.Solve x = sqrt(8x) 8x = x^2 x^2 - 8x = 0 x(x-8) = 0 x = 0 x-8 =0 x=8 the ...

*October 19, 2010 by JayLynne-I had misprint in previous posting*

**Algebra II-Please check**

I'm sorry the computer jammed on an earlier post and I couldn't do anything-so here is the problem I need asistance with Please check and offer advice-I'm NOT SURE IF I USED CORRECT FORMULAS-thank you the problem is List the center, vertices, and foci of hyberbola for ...

*January 13, 2012 by Josh*

**Math[PLease Check]**

Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12

*February 24, 2007 by Margie*

**Accounting**

A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check

*October 18, 2012 by Anton*

**Algebra-Mathmate or Reiny or Dr. Bob, please check**

I have two short questions which I think I know the answer-could you please check? If I write log(b)x - 2log(b)y as a single logarithm it would be log(b) x/y^2, correct? If not please help and Is the function f(x) = 1/x a exponential function -I think it would be because it ...

*December 14, 2010 by Anna*

**Algebra**

Can someone please check my answers. Solve the following by factoring x^ + 7x + 10 + 0 I got x + (-5) and x = (-2)

*November 20, 2007 by Alicia*

**Algebra**

Can someone check my answers please? Solve the following by factoring? 3x^ - 6x = 0 I got x = 0 and x = 2

*November 20, 2007 by Alicia*

**Math 116 algebra**

Please check this problem Solve 5/2x + 1/4 x = 9/4 + x The solution is x = 9/10 Is this correct.

*July 16, 2008 by jay jay*

**algebra please check**

Find the distance between the given points (3, 5) and (8, 2) (8-3)^2 + (2-5)^2 5^2 + -3^2 25 + 9 = 34 sqrt of 34 = 5.83

*June 8, 2010 by bart*

**Algebra-please check**

What is the solution for absolute value of -1 + x = 5 I think the two solutions are x = 6 and x = (-4)

*October 6, 2010 by Tanya*

**algebra 2 please check**

Write an equation for a parabola with vertex at (-4 , 3) and focus at ( -4, -2)? I have this.... (X+4)^2=20(y-3)

*May 3, 2012 by amber*

**Algebra 1--Please, check my answer!**

At how many points does the graph of y = (x-6)^2 intersect the x-axis? A: Two.

*June 9, 2014 by Victoria*

**algebra 2**

Solve the equation. Check for extraneous solutions. 9|9-8x|=2x+3 can anyone please show me how to do this problem?

*September 5, 2014 by gamer chick*

**Pre-Algebra**

Please check....... convert to slope intercept form y-27=4x 16-2y=22 8x+11-4-27 -11/-11 8x=4x+38 +4x 4x 12/12x=38/12 = 1 1/3

*December 9, 2015 by Felecia*

**drwl / bobpursley please check**

I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses.

*March 13, 2007 by Mary*

**Algebra**

Hi, could someone possibly check my answers to these algebra questions? Its not my strong point so have been struggling a little (or alot if they are all wrong!) 3m-8-5m+10 = 2-2m 4(2-6x) = 8-24x 7(a+3)-5 = 7a + 16 2x-3(4y-x) = 2x-12y-9x 2(4y-1)+5y(3-2y) = 2(4y-1) +5y(3-2y) If...

*February 4, 2010 by Geoff*

**Math (Algebra)**

Can someone please check my answer? 9[73-(-95-61)]= 2061 if my answer is incorrect could you tell me where I missed? and the correct answer please? Thank you I would appreciate it...

*September 26, 2009 by Anonymous*

**Algebra Please check answers**

Could you please check these answers thanks. Directions: Factor each polynomial. If the polynomial cannot be factored, write prime. 1. a^2-16b Answer: (a-16)(a+16) 2. m^2+8m+16 Answer: (m+8)^2 3. 3a^2b+6ab+9ab^2 Answer: Prime 4. 2r^2+3r+1 Answer: Prime 5. z3+6z^2+9z Answer: Prime

*April 5, 2009 by Rae Rae*

**Spanish-Please check**

Please check-Thank you I come from the library. Yo vengo de biblioteca.

*May 15, 2011 by Emily*

**Algebra-Please check-I must have done something wr**

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) My answer and logic is below but it can't be correct I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the choices are: x^2/1 + y^2/40 = 1 or x^2/1 + y...

*May 13, 2011 by Jodi-*

**Please check-Reiny**

Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5 3,5 3 I said 3 because I did it like this: 8y -...

*October 12, 2010 by Michelle*

**Algebra**

Can someone please help!!! These equations are confusing me so. x^2-98=0 x^2 - 98 = 0 x^2 = 98 x^ = 98/2 x^ = 49 x = _____ If you post your answer, we'll be glad to check it. 7

*July 12, 2007 by Shannon*

**Algebra II**

Could you please check my answer? Given the functions f and g, perform the indicated operations. 3. f(x)=4x - 9 g(x)7x-3 I got -3x-12

*September 14, 2007 by Jules*

**Algebra**

Can someone check my answer please? Find the corresponding y values for x = -2,-1,0,1,2,3 if y = x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10

*November 20, 2007 by Alicia*

**Math 116 algebra please check**

Solve by the substitution method 3x + 7y =15 x=16-6y What is the solution of the system (-2,3)

*July 16, 2008 by jay jay*

**Math 116 algebra please check**

Solve using the multiplication principle -4x > 1/11 The solution is x<-1/44

*July 16, 2008 by jay jay*