Friday

March 6, 2015

March 6, 2015

Number of results: 90,226

**Algebra**

solve x+21/x+3<2 x+21/x+3 - 2(x+3)/x+3 <0 x+21-2(x-3)/x+3<0 x+21-2x-6/x+3<0 answer 15-x/x-3<0(is this right?) For Further Reading Algebra - Anonymous, Thursday, April 3, 2008 at 5:07pm You are close. They want you to find the values of x so that the equation the...
*April 4, 2008 by Cynthia*

**8th Grade Algebra: Answer Check**

Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 Answer: 2{3 5. 2{75 Answer: 10{3 6. -3{72 ...
*January 20, 2009 by Joy*

**algebra**

I need to know if I am doing this problem right when sustitution method. y+2x=3 y+2x=-4 y+2x=3 -1(y+2x=3)-y-2x=-4 now add the two equation y-2x=3 -y-2x-4 the answer would be -4y=7 then divided -4=7 answer 1.75 I no that there is more to this answer I am just stuck and not sure...
*February 15, 2011 by Donna *

**algebra**

I need to know if I am doing this problem right when sustitution method. y+2x=3 y+2x=-4 y+2x=3 -1(y+2x=3)-y-2x=-4 now add the two equation y-2x=3 -y-2x-4 the answer would be -4y=7 then divided -4=7 answer 1.75 I no that there is more to this answer I am just stuck and not sure...
*February 15, 2011 by Donna *

**Algebra- is my answer right**

Simplify. (2b^-4 c^6)^5 I get b^20/32c^30 Is that right? Write your answer using only positive exponents.
*February 1, 2011 by Jen*

**pre-algebra-is my answer right**

Rewrite the expression without using a negative exponent. 4z^-4 Simplify your answer as much as possible. is this right? (1/4z^4)
*February 9, 2011 by Rachal*

**Math**

Hello, I need to know if I have the right answers to these questions. 2x-y=3 question is which of the following points lie on the line. is the answer 0,3 (-1,1) (2, 1) (-3, 1) (-3, ) or (1, 2) I chose the answer (-3, 1) is that right, second question: If x+7andY+2 then x-3y= ...
*September 2, 2008 by bodes*

**College Algebra**

I need to divide this polynomial synthetically. I think I did it right, but can someone confirm if my answer is right or wrong? Polynomial: x^4 - x^3 + x^2 - x + 2 Divisor: x-2 My answer: x^3 + x^2 + 3x + 5 + 12 (remainder) ---- x-2 ( the x-2 in my answer is meant to go under ...
*April 18, 2010 by Sarah*

**Algebra (College)**

I need to divide this polynomial synthetically. I think I did it right, but can someone confirm if my answer is right or wrong? Polynomial: x^4 - x^3 + x^2 - x + 2 Divisor: x-2 My answer: x^3 + x^2 + 3x + 5 + 12 (remainder) ---- x-2
*April 18, 2010 by Sarah*

**Algebra- is my answer right**

Graph the Circle x^2+y^2+4x-2y-20=0 I get: (x^2+4x)+(y^2-2y)=20 (x^2+4x+4)+(y^2-2y+1)=20+16+4 (x+2)^+(y-1)^2=(40/2)^2 But I don't think its right can you help me with what I did wrong? Thanks
*February 1, 2011 by Jen*

**Algebra **

I'm studying for a test so I want to make sure I'm doing these problems right. Numerator (-5a exponent -2) Denominator b3 All to the -1 exponent For a= -4. And b=2 My answer I get is 1/10 is the right ? -16 with -1/2 exponent Would the answer be -4? 2-3 square root of 14 Would...
*November 22, 2014 by Lexi *

**Algebra 1**

Graph the equation and identify the y intercept y= 3/2x -4 Would this be the right answer? (-4,0) 3/2 three to the right and 2 up, therefore 3,2?. Thank you.
*January 3, 2011 by Esther*

**algebra am i right**

Find the volume of a right circular cylinder whose base has an area of 6 cm^2 and whose height is 17 cm. [A] 153 cm^3 [B] 612 cm^3 [C] 102 cm^3 [D] 153 cm^2 [E] None of these i think its C Please show your work. That's the right answer, but we'd like to know why too. um i ...
*September 27, 2006 by cassii*

**Algebra 2 (check)**

I have some problems that I've answered and I need someone to check to see if I'm right. Im just posting the questons and my answer,if its wrong I'll post my work,so here it is bear with me please and thank you. 1)name which sets of numbers to which -28 belongs. my answer = ...
*July 21, 2007 by erin*

**Math**

How do you solve this? I posted this question last night and someone answered but it wasn't the right answer. I have tried so many times and still can't get the right answer. the right answer is suppose to be 15/2 5/6-1/3+ 7/8/(1/2)^3 Thank you for your help!!
*January 22, 2010 by Mike*

**algebra**

Solve for s in this equation. Depreciation. D=C-s/n This is my answer D-C=C-s/n-c D-C=-s/n -n(D-C)=-s/n*(-n) -nD+nC=s s=n(C-D) Please chack to see if this is correct Looks fine to me. A slightly shorter (by 2 lines) rearragement is: D=C-s/n D+s/n=C s/n=C-D s=n(C-D) but hey, ...
*April 4, 2007 by jessica*

**ALGEBRA PLS HELP**

CAN YOU CHECK IF IM RIGHT? |-2 +5 | ANSWER 7 |5| +4 ANSWER: 9 |-5| +4 ANSWER : 9 |5+2| ANSWER : 7 |3-7| ANSWER : -4
*September 11, 2011 by MATT *

**Algebra- is my answer right**

Choose the end behavior of the graph of each polynomial function. A f(x)= -5x^3-4x^2+8x+5 B f(x)= -4x^6+6x^4-6x^3-2x^2 C f(x)= 2x(x-1)^2(x+3) A= falls to the left and rises to the right B= Falls to the left and right C=Rises to the right and left.
*February 3, 2011 by Rachal*

**Algebra**

Not sure on a few of my answers, can you help? 1. Find the slope and y intercept : f(x)=-5x-7 slope = -5 intercept = (0,-7). Is this right? -1/2x=-5/6 my answer was 5/3 was this right? If I have these two sets of coordinate (-4,0) and (0,2) will my slope be -1/2? Same question...
*January 8, 2010 by HGO*

**algebra**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...
*August 23, 2007 by Marissa*

**algebra**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...
*August 24, 2007 by Marissa*

**algebra**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...
*August 26, 2007 by Marissa*

**math**

is this correct? 6k-9=15 k=4 I just want to know if i did it right yes you are correct You didn't show your work so I don't know if you did it right or not. Your answer is correct. i did 9=15 which equal 24 and i divided that by 6 which =4 so k must equal 4..........did i do ...
*November 7, 2006 by hilary*

**algebra(check)**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...
*August 24, 2007 by Marissa*

**algebra (checking answer)**

Checking to make sure I did it right.. Remainder theorem to find the remainder when f(x) is divided by the given x-k f(x)=x^3-4x^2+2x+4; x+2 2 x -4 2 4 1 2 -4 4 1 -2 -2 8 2)x^3-4x^2+2x+4. (X^3-2x^2-2x) is the answer x^3 -2x^2+-2x -2x^2+4x 6x+4 -2x+4 8x+8 I'm not sure the ...
*March 20, 2013 by Anonymous*

**Algebra- is my answer right**

Solve the following inequality. (x-4)/(-x+2)>0 Write your answer using interval notation. x<2 or x>4 Thanks
*February 2, 2011 by Rachal*

**algebra**

Find the quotient when (2x^2+5x+2) is divided by (x+2). *** Can someone tell me if i got this answer right if not correct it*** Answer: (2x+1)
*February 24, 2015 by Clarissa*

**Algebra II**

A math book said that the answer to (1 + 1/n) to the nth power was 2.5 when n=1. It seems like the wrong answer to me and that the answer should be 2. Please let me know if I am right or explain if I am wrong.
*April 17, 2010 by Liz*

**Algebra**

Can I get some help on this one I need to know if I got the right answer on this equation. Factor. v^2+12v+36 my answer was (v+6)^2 Can you check this for me.
*July 2, 2008 by Cynthia*

**college algebra**

if y=kx/square root of w find k when y=4 x=12 and w =4 I have an answer of 16/3 aia believe that the correct answer is 2/3 am I right.
*April 20, 2010 by Jake*

**alegbra**

What percent of 320 is 220 my answer is 6.88 make as a decimal.is this right. -12(<)15 is less right. -7-(-4)=-3 this subtract answer. -9.8+(-4.9)=13.7 is these problem right.
*February 19, 2009 by Keaton*

**Algebra **

I need some help with algebra I'm not sure how to get to the answer. Find the number of terms in each sequence. 1. a1=4 an=42 d=2 2. a1--0.3 an=-36 d=2.1 3. 1/12, 1/8, 1/6, 5/24, 1/4,......9/8 Evaluate each sum. 1. There is an e like symbol that has a 15 on top on the bottom n...
*April 8, 2013 by Jenny*

**algebra**

Will someone check my work here and let me know if I am right. Thanks. Evaluate x+y/7 for x=44 and y=12 My answer is x+y/7=8 2. Translate to an algebraic expression. The product of 42% and some number. The translation is .42x=y 3. Use < or> to make the statment true. my ...
*August 3, 2011 by babs*

**algebra**

(2x+3)/5 = -(3x-2)/2 - (-3/2)(-3/2) I've done this problem a few times and keep getting -37/38 which seems like a dumb answer to the problem. I know I think the answer should be a whole number so I don't know if that's what's confusing me. Is my answer right?
*December 1, 2007 by rose*

**chem**

Can someone please help me balance this equation? CH3OH + O2 ===> CO2 + H20 Thank you! CH3OH + O2 ===> CO2 + H2O To balance the H, put a two on the right. CH3OH + O2 ===> CO2 + 2H20 H and C are now balanced. O is balanced. Too easy. Are you sure that's right? We got ...
*March 3, 2007 by Abby*

**Algebra- is my answer right**

The one-to-one function f is defined by f(x)=(4x-1)/(x+7). Find f^-1, the inverse of f. Then, give the domain and range of f^-1 using interval notation. f^-1(x)= Domain (f^-1)= Range (f^-1)= Any help is greatly appreciated. Algebra - helper, Wednesday, February 2, 2011 at 7:...
*February 2, 2011 by Rachal*

**coor. algebra**

Okayy so my class is doing conversions annnd.I need help ALOT. 130 meters per second into miles per hour . If you answer can you show me how you got the answer and how to know of the answer is right?
*August 11, 2014 by cj*

**Algebra**

Which of the following describes the end behavior of the graph of the function f(x) = 2x^5 x^3 + x 5? A. Downward to the left and upward to the right B.Upward to the left and downward to the right C. Downward to the left and downward to the right D. Upward to the left and...
*July 21, 2009 by Rachale*

**Algebra**

Which of the following describes the end behavior of the graph of the function f(x) = 2x^5 x^3 + x 5? A. Downward to the left and upward to the right B.Upward to the left and downward to the right C. Downward to the left and downward to the right D. Upward to the left and...
*July 21, 2009 by Cassie*

**algebra 2**

Posted by hellogoodbie on Saturday, January 16, 2010 at 2:59pm. How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010...
*January 16, 2010 by hellogoodbie*

**8th Grade Algebra: Answer Check #2**

Add or Subtract (Radicals) { this means squared 1.3{2 + 4{2 Answer: 7{2 2. 8{3 + 3{3 Answer: 11{3 3. 7{5 - 3{5 Answer: 4{5 4. 8{2 - 5{2 Answer: 3{2 5. 6{x + 7{x Answer: 13{x 6. 9{y + 3{y Answer: 12{y Multiply 7. -3x^2(4x^2-3x-5) Answer: 12x^2 8.(3b+5)(b-3) Answer: 3b^2-4b-15 9...
*January 20, 2009 by Joy*

**Algebra**

Okay, i need help. I'm solving linear equations in intermediate algebra. My problem is that I never know which number to subtract first. Ex: 5y-8=-18 To get the right answer (-2), they move they add the 8 to both sides. But on 27w-64=-37 They move the 37 to get the correct ...
*January 24, 2009 by Kat*

**Math, Algebra.**

2. Sylvia has 6 1/2 boxes of chocolate to share at a family picnic. If she gives each person 1/3 of a box, how many people can receive chocolate? 13, 17, 19, or 21? I believe that the answer is 19. Take 6 1/2, divided by 1/3, and get 19 1/2. Since 19 is the closest answer, the...
*October 9, 2012 by -3-*

**algebra**

y=3(x+5)(x-2) I'm suppose to simplify right? There is no way to solve for the variables. y=3(x+5)(x-2) use the distributive property y=3x+15(x-2) y=3x+15x-30 y=18x-30 thanks for your help but the book says the answer is y =3xsquared + 9x-30 how did they get answer?
*June 6, 2007 by lajeana golden*

**Math / Algebra**

I would like to know if I got my answer right. I am supposed to find the LCM of 11(t-5)and 55(t-5). I thought that the answer was 11t-55 but I am a little bit lost can you please help me. Thanks
*March 27, 2010 by Learner*

**Algebra**

Can someone tell me if these problems have the right answers? I am tooooooo old to know this any more. I understand the first one, but 2&3 are vaguely familiar. 25x^2+25x+6=0 the answer is x=-1/2 +/- 1/10 #2 solve for V=1/3Bh for B answer is B=V/ 1/3h #3 Find equation of line...
*March 21, 2008 by Algebra Parent*

**college algebra**

solve for x 3(x-2)= -4(x+8)+10 my answer to this was -16/7 however I believe the answer is -36/7 did I solve this with the right answer.
*April 23, 2010 by Jake*

**Compisiton of Functions**

Let f(x) = x + 4 and h(x) = 4x - 1 Find a function "g" such that "g compose of f equals to h" g(f(x) = h g(f) = h g(x + 4) = 4x - 1 g = (4x - 1) / (x + 4) But my answer is wrong, how do I retrieve the right answer? By the way, the right answer is "g(x) = 4x - 17"
*January 9, 2008 by Anonymous*

**algebra ll**

from a group of 6 men and 4 women , a committe of 3 is to be selected at random. find p(at least 2 woman)my answer is 1/6 if wrong give right answer and show the work please thank you
*October 26, 2008 by Anonymous*

**algebra ll**

from a group of 6 men and 4 women , a committe of 3 is to be selected at random. find p(at least 2 woman)my answer is 1/6 if wrong give right answer and show the work please thank you
*October 26, 2008 by Anonymous*

**ALGEBRA**

I also have an answer for this one. Just need to be sure. Says to solve then graph. x +9>2; x + 9 - 9> 2 - 9 x > - 7. I believe this means anything to the right of -7 could be a solution. I would graph this with an open circle at -7 and shade to the right of the ...
*November 4, 2010 by Jessica 2*

**Algebra 1**

Can you let me know if this answer is right. (22-43)(43)+83)=-80 Multiply
*June 30, 2008 by Cynthia*

**Algebra**

solve x+21/x+3<2 x+21/x+3 - 2(x+3)/x+3 <0 x+21-2(x-3)/x+3<0 x+21-2x-6/x+3<0 answer 15-x/x-3<0(is this right?)
*April 3, 2008 by Cynthia*

**Algebra 1**

Can you tell me if this answer is right. x^2+5x-14=(x-2)(x+7)
*June 17, 2008 by Cynthia*

**algebra**

simplify: 2+3*10/5*3-9= A.-5, B.21, C.-60, D.11 (B) is the answer right
*August 17, 2008 by H*

**algebra**

16-10/5+13= A.31,B.1/3,C.139/9,D.27 B is my answer is it right
*August 17, 2008 by H*

**algebra 1 response**

the answer is 24 right?
*January 6, 2009 by Kiwi*

**Algebra 1B**

Simplify: 4n(2n + 2) My answer is-- 8n+8n Am i right?
*June 6, 2012 by Mackenzie*

**MATH!+ check please~ thanks in advance!**

the equation 2x^2+ cy^2+Dx+Ey+f= 0 represent a conic. state the value(s) of C for which each of the following are possible: A circle: My answer: c= 2 an ellipse: My answer: c>0, cant equal 2 Parabola: My answer:c=0 a hyperbola: My answer: c<o ( any negative number) are ...
*March 23, 2007 by conics!?*

**Algebra- is my answer right**

The function g is defined by g(x)=3x^2+6. Find g(5y) Algebra - drwls, Friday, February 4, 2011 at 11:07am 3*(5y)^2 + 6 = __? Algebra - Janet, Friday, February 4, 2011 at 3:56pm I get 75y+6
*February 4, 2011 by Janet*

**Math 115**

Perform the indicated operation. 11-6 /7-7 what the answer my answer is 5/7 is that right. Add-26+(-29). I said 55 is the answer is that right. I am confused.
*January 25, 2009 by Johnnie*

**Algebra 1 **

8.A number raised to a negative exponent is negative. Always, never , or sometimes. 7. Evaluate 1/2a^-4b^2 a = -2 and b = 4. 6. Simplify. Write in scientific notation. (9 x 10^-3)^2 Thanks to anyone who helps right away and need right answer from the people who have already ...
*February 4, 2013 by Dave*

**Chem Question?**

I answered this question already, but would like you to check if the answer I provided was right. If for some reason my answer was not right please provide me with the right answer. 1)The air in the inner tube of the tire of a racing bike has a pressure of 115 psi. Convert ...
*May 5, 2008 by Lisa*

**algebra**

2(y+7)=4y+14 y = 0 Will is right. Y *DOES* equal 0. But did you understand how to get the answer?
*February 11, 2007 by lasha*

**Precalculus **

Polynomials Problem: 1. List two factors of h(x) of the form x−r: x, x + 2 (right answer) 2. A function of the form ax^n that approximates h(x) for large values of |x| is f(x)= 2x^4. (right answer) 3. This tells us that the degree of h is 4 and the coefficient of the ...
*February 7, 2010 by jh*

**Algebra**

Can someone check my algebra answers and help me with the problems I don't understand? 1. n^2-n-20/2n^2 times n^2+5n/n^2-25 answer: n+4/2n 2. (2x-6/21)/(5x-15/12) answer: 8/35 3. 5x-3/6 - x+3/6 answer: 2x/3-1 4. 5x/26 - 2x/13 answer: 1x/26 5. 3x^2/9x^5 answer: 1/3x^3 6. (x^2+...
*June 24, 2007 by Alexandria*

**8th Grade Algebra- Answer Check**

Solve each system of equations, give the solution and state whether there are no solutions or many solutions. 1 )3x + 8y = 1 7x + 4y = 17 Answer: (3,1) 2) -3x + 5y = -7 9x + 2y = 38 Answer: (4,1) 3) 7r + 3s = 13 14r - 15s = -16 Answer: (1,2) 4) 2x - 7y = 42 4x - 14y = 64 ...
*February 25, 2009 by Lily*

**Algebra check**

Convert to exponential equations. 12.) m=log3 9 I have the answer as 3^m =9 13.) log2 64=6 I have the answer as 2^6 =64 Are these answers right?
*December 1, 2008 by Shawn*

**ALGEBRA 1**

ARE THESE ANSWERS RIGHT ? Express as a trinomial: (2x-3)(x+7) IS THE ASNWER 2x^2 + 11x - 21 WHAT IS THE VALUE OF 2 times 5^-2 IS THE ANSWER 2/25 DIVIDE: x/x^2-49 divide by 5x^3/x^2 + 9x + 14 IS THE ANSWER x+2/5x^2(x-7)
*December 25, 2011 by Lisa*

**Algebra**

I solved (2x-8)/z=y, and got 2yz-8=x as an answer, which my teacher said was wrong. What would the right answer be then? What did I do wrong? Thanks!
*February 10, 2009 by Kerry Hennessy*

**Algebra 1**

Are these right? xy - 3x - 8y + 24 (3x-y)-(8y+24) 8y+24 4x^2 + 20x + 5y +xy 36x+(5y+x) 36x-5y I don't think so it's right.Your question xy-3x-8y+24 is itself the answer.It cannot be further calculated bcause it doesn't have the terms containing the same variables. If you are ...
*March 8, 2007 by mike*

**Algebra**

3x[1]+x[2]<=12,x[1]+x[2]<=15,z=2x[1]+x[2] I need the simplex for this problem. I have the right answer but keep coming up with a differant answer. This in our book as a practice problem.
*December 28, 2009 by mike*

**algebra 2**

Posted by hellogoodbie on Saturday, January 16, 2010 at 3:24pm. Posted by hellogoodbie on Saturday, January 16, 2010 at 2:59pm. How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and ...
*January 16, 2010 by hellogoodbie*

**algebra**

is this right? Divide and check: 12x^3y^2/2x^5y^2 answer: 6x^-2
*February 6, 2008 by bb*

**Algebra 1**

^32 * ^23=^66 Please let me know if I got this answer right to this one.
*June 9, 2008 by Brandy*

**Algebra help**

Solve: x^-2 - x^-1= 5/4 I have the answer as (5+/- sqrt29)/2 Is this right?
*November 9, 2008 by Shawn*

**pre-algebra-is my answer right**

Graph -3x+4 My points are at (0,4) and (1,1)
*February 8, 2011 by Lisa*

**9th grade Algebra**

Did I get the right answer for this? Evaluate the expression 3x squared - 5x when x= -2 My Answer is 46. I got this by doing 3 times -2 and squaring that and then multiplying 5 times -2 and subtracting that ( negative 10 ) from 36. Is this correct?
*August 22, 2012 by Reed*

**math**

a. If you begin with a right triangle with sides a, b, and c and decrease the right angle so it is an acute angle, how does compare with ? b. Answer this question for the situation where you increase the right angle so that it is obtuse. I have to use a formula to show the ...
*October 30, 2009 by Jason*

**Algebra**

I was given this problem to solve and no matter what order I multiply the variables I don't get the right answer. 27xy, when x=12.7 and y=100.4 the answer is 34,427.16 I cannot figure out the way to achieve this answer. I find problems with variable fairly easy, but this one ...
*April 15, 2011 by Aria*

**college algebra**

If a 25 lb weight is attatched to a spring how far will it stretch? I got an answer for a 15 lb weight with 8 inches to be 15/8 but when I plug in 15/8 into my new equation it doesn't come up with the right answer.
*April 7, 2014 by candace*

**algebra**

I checked my answer and it doesnt come out right (-3J-(-3))/-6=12
*September 14, 2008 by Phillip*

**Algebra**

[2y^2+11y+5]/[4y^2+4y+1] / [2y^3+10y^2]/[4y^3] Would the right answer be 4y^3 over 2y+1?
*September 24, 2009 by Anonymous*

**algebra**

I need help with this problem. (7-x)(9-2x) This is the answer I came up with. Please let me know if I'm right. x^2-23*x+63
*October 27, 2010 by Brandy*

**ALGEBRA**

STATE THE RECIPROCAL. -1/10 MY ANSWER IS -10 I need to know if I am on the right track.
*November 10, 2011 by Angela*

**Algebra **

I have two problems that I need some help with. I believe I got to the answer but not quite sure if its right. I need to expand and evaluate each series. 1. There is an E like symbol that has a 7 at the top. On the bottom k=1 and on the right side (-1)^k K 2. There is an E ...
*April 1, 2013 by John*

**algebra**

can someone please help me with my algebra i got this as a answer adn i dont know if its right. N(t)= -3t^3 + 23t^2 + 8t a. Rewrite the formula by factoring the right-hand side completely. N(t)= -3t^3 + 23t^2 + 8t N(t)= (-t)(3t^2 - 23t - 8) N(t)= (-t)(3t+1)(t-8) b. Use the ...
*July 31, 2010 by samuala*

**algebra 2**

How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that is right, thank you ...
*January 16, 2010 by hellogoodbie*

**algebra 2**

How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that is right, thank you ...
*January 16, 2010 by hellogoodbie*

**algebra**

Can you explain to me how I have the answer put how do I find out how to find the right answer the question is what is an equation of the line in slope intercept form answers are y=2 x-2, y=-2 x-2, y=-2 x+2, y=2 x+2 want to know how to do them. Got to draw a picture
*March 4, 2014 by snow*

**check math**

Here are my answers. Can you check if I got the right answers? Thank you! Solve for z: 4x+10yx=0 z=-2x/5y y^2+3yz-8z-4x=0 z=(-y^2+4x)/(3y-8) there was no z in your first equation, from you answer I can tell it should have been 4x + 10yz = 0 If so, the answer is right. last one...
*August 8, 2007 by Anonymous*

**Algebra**

line slope 6/7 going through (0,7) y=mx+b y=6/7x+7 -7*(6/7x+y)=7*-7 the answer I come up with is 6-7y=-49 is this right?
*March 21, 2008 by Akimi*

**Algebra 1**

^3sqrt y^3 Can some one work this for me I want to se if I got the answer right
*June 9, 2008 by Ann*

**algebra 1**

g(x) = 6 ___ 8-3x is the domain {x|x real number and ? = 0 >=8/3 = 8/3 =6 My answer is >= 8/3 I hope I am right!
*April 12, 2010 by Jerry*

**Algebra**

What is the inverse of y = 4x - 2? Is it y = 1/4x - 1/2 If that is wrong, can you direct me towards the right answer or how to find it Thank you
*October 6, 2010 by Ricky*

**chemistry**

1) Starting with 75.00 g of 1-propanol and 75.00 g of PCl 3. Calculate the theoretical yield of 1-chloropropane. 3CH3CH2CH2OH + PCl 3 --> 3CH3CH2CH2Cl + H3PO3 Answer in terms of grams. the answer that i got is 98.12, is this right and how many sig figs should it be? 2) What...
*October 1, 2011 by anonymous*

**algebra**

I have a math worksheet and it is SO confusing. can anyone help. the question on the worksheet is IN MUSIC WHAT DOES "ALLEGRO" MEAN? it's page 190. PPPPLLLLLLLLZZZZZZZZ. like right now i need the answer. i looked it up on google what allegro means and it said a very fast tempo...
*May 5, 2012 by Hailey*

**algebra**

Could you please check my answer to this problem: Simplify the expression Original problem: (3x^2+10x-8)/(3x^2-17x+10) x (2x^2 + 9x -5)/(x^2 + 3x-4) The answer I got was: (3x +4)(x-2)/ (3x-2)(x-5) x (2x-1) ( x +5)/ (x +4) (x-1) so basically the problem could not be simplified...
*June 1, 2008 by Jennifer*

**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**

6x^3/36x)*(49v^4/7v^2) =[(6/36)*(x^3-1)]*[(49/7)*(v^4-2)] =[(x^2)/6]*(7v^2) =(7v^2x^2)/6 Is this the right answer? I feel like I missed something.
*July 1, 2008 by C*

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