Saturday
December 10, 2016

# Search: Algebra- is my answer right

Number of results: 108,031

algebra
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
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

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

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

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
Translate to an Alegebraic expression Twice d. my answer is 2-d is this right. -(y+48)=y-48 is this right
February 21, 2009 by keaton

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
Factoring x^2+1= (x+1)(x+1)= 5 Trying to see if I am doing it right or have the right answer.
August 22, 2015 by Dee365

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
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
Write y = -2/5x + 3 in standard form using integers. A)2x+5y=-15 B)2x-5y=15 C)2x+5y=3 D)2x-5y=3 I don't agree with any of these answer choices. I cam up with this answer; 2x+5y=15, but it is not one of the answer choices. Is my answer wrong? If so, what's the right answer? ...
May 19, 2016 by Scarlet

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] 153ð cm^3 [B] 612ð cm^3 [C] 102 cm^3 [D] 153ð 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 ...
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

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 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
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

Health
Which statement defines your righs as a consumer? 1 the right to information, 2 the right to consumer protection by the government, and 3.... The right to complain. The right to avoid fraud. The right to evaluate claims. The right to not pay. (MY ANSWER)
January 27, 2016 by LOVE

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

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

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
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

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
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
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 ...
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 ...
July 21, 2009 by Cassie

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 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

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

algebra
-2(x-3) 6x Is that the right answer?
May 25, 2015 by b

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

January 20, 2009 by Joy

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

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

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 1
Can you let me know if this answer is right. (2ã2-4ã3)(4ã3)+8ã3)=-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
January 6, 2009 by Kiwi

Algebra 1B
Simplify: 4n(2n + 2) My answer is-- 8n+8n Am i right?
June 6, 2012 by Mackenzie

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!?

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

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

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

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

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
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

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 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
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 , math
two third of a number increased by 7 is 29 . Find the number. Answer- 2/3x + 7 = 29 2/3x = 29 - 7 2/3x = 22 X = 22/2 multiplied by 3 X = 33 Is the answer right
June 26, 2016 by leena

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

Algebra 1
^3ã2 * ^2ã3=^6ã6 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

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

Algebra
What is the prime factorization of 180? My answer 2 x 2 x 3 x 3 x 5 Am I right?
May 25, 2015 by Mae

Algebra
Did I get the right answer for this problem as an Integer or Decimal? 5.75 - (-7.84)= 13.59
March 5, 2016 by Dee365

algebra
can someone please help me with my algebra i got this as a answer and i don't 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

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

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

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
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 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 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

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
You want to buy 8 books for \$19.68 each, estimate the total cost show your work. I did 19.68 x 8 and got 157.44 then rounded the answer and got 157 am I right? Or The second time I tried I estimated 19.68 and got 20 so then I did 20 x 8 and got 160 Is this right?
June 5, 2015 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

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