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July 25, 2014

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Number of results: 42,616

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

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

8th Grade Algebra-Radicals:Answer Check
Write each expression in simplest form. ( means square root 4. 3(11 + 4(11 Answer: 8(11 7. 7(2 - 2(8 Answer: 1(2 ?? 8. (48 + (75 Answer: 9(3 9.(3(10) Answer: 19 + 610 10. (27/64 (Fractions) Answer: 3(3/8 ?? 11. 10(20 - 3(80 Answer: 10(5 12. (6/49 (Fractions) Answer...
January 14, 2009 by Joy

algebra
Solve the given equations: 1. |2x-5|= 29 Answer: x=17 or is it........ x=-12 2. 5(x+3)-2x = -21 Answer: x=-12 3. 3x+3(1-x)= x-17 Answer: x=20 4. 2[1-3(x+2)] = -x Answer: x= -2 Factor Completely: 1. x^2-12x+20 Answer: (x-2)(x-10) 2. x^2-x-20 Answer: (x-5)(x+4) 3. x^2-49 Answer...
August 16, 2006 by anonymous

Pre-Calculus
Could someone check my answers? 25. 32^(2x-3)=2 Answer- x= 8/5 26. 9^(2x+1)=81 Answer- x= 1/2 27. 1/4=2^3x Answer- x= -2/3 28. 1/27=3^2x Answer- x= -3/2 29. 9^x=27 Answer- x= 3/2 30. 32^x=4 Answer- x= 2/5 31. 27^(x+1)=9 Answer- x= 1/2 32. 125^(x-2)=25 Answer- x= 7/2 33. 81^(x-...
May 1, 2013 by Caroline

Math 8R: Homework Check - Part 2
Part 2: Simplify by combining like terms and using the distributive property 11. 3x + 5x Answer: 8x 12. 3x + 5y - 2x + 8, Answer: 1x + 5y + 8 13. 9 + 5m + 6b - 2m - 4, Answer: 3m + 5 + 6b 14. 3ab + 6c - ab + 10 - 2c, Answer: 2ab + 4c + 10 15. 6(m+3), Answer: 6m + 18 16. 8(x-2...
October 28, 2012 by Laruen

8th Grade Algebra-Radicals:Answer Check
Change each decimal to a fraction in lowest terms. 1) 0.4242.... Answer: 14/33 2)0.58 Answer: 29/50 3)0.14 (Repeating sign over both numbers) Answer: 14/99 Write each expression in simplest form. ( means that it is inside a square root. 1. (54 Answer: 3(6 2. (98 Answer:(14*(7 ...
January 13, 2009 by Joy

Math
Round each decimal number to the nearest hundredth. 1. 8.456 answer 8.460 2. 3.262 answer 3.260 3. 8.902 answer 8.900 4. 6.551 answer 6.550 5. 7.843 answer 7.840 6. 9.479 answer 9.480 7. 12.007 answer 12.010 8. 10.502 answer 10.500 9. 0.052 answer 0.050 10. 5.607 answer 5.610 ...
October 1, 2013 by Cassidie

8th Grade Algebra-Radicals:Answer Check
4. 311 + 411 Answer: 811 7. 72 - 28 Answer: 12 ?? 8. 48 + 75 Answer: 93 9.(310) Answer: 19 + 610 10. 27/64 (Fractions) Answer 33/8 ?? 11. 1020 - 380 Answer: 105 12. 6/49 Fractions) Answer: 6/7 ?? 13. 32 * 14 Answer:stays the same ?? 14...
January 13, 2009 by Joy

maths
1. Q: 2|3x-5| when x=(-3) A: 24 2. Q: |6-x|+4 when x=5 A: 5 _______________ Simplify the expression. 1. (-4)(-x)(x^2) my answer: 4x^3 2. (24)(-5x)(-x) my answer: 120x^2 3. -x(4-x) my answer: -4x-x 4. -4t(t+2) my answer: -4t^2+(-6t) 5. b^2(4-b^2) my answer: 4b^2-b^4 6. (c+3c^2...
September 8, 2009 by courtney

Physics Help
State the number of significant figures. 1) 809 Answer : 3 2) 0.0060 Answer : 5? 3) 0.00000095 Answer : 9? 4) 5.60 Answer : 3 5) 5.743 Answer : 4 6) 0.010 Answer : 4?
September 11, 2011 by Anonymous

Matt 115
Hello, I just wanted to know if someone could check my work to see if they are right or wrong. Thanks :) 5. Find 2/5 of 4/11. Answer: 8/55 8. Are 3/21 and 3/54 equivalent fractions? Answer: No 14. Write in decimal form 8 583/10,000 Answer: 8.0583 22. Solve for the unknown: 8/...
January 19, 2010 by Angela

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

Math
Please double check Real Numbers and Order |4| + |3| Answer: 7 |-9| - |4| Answer: 5 Adding Real Numbers 7+ (-9) + (-5) + 6 Answer: 17 |-27 + 14| Answer: 13 Subtracting Real Numbers 1/2 (-5/8) Answer: 2 3.4 (-7.6) Answer: -4.2 54 119 Answer: 65 Multiplying Real Numbers...
March 18, 2008 by Kim

Math
Please double check me Dividing Real Numbers (-9)(5)/3 Answer: 15 4 (-3) +1 / 2 2 / (-2) Answer: 2 16 / (-2) * (-4) / 2 3power + 4 Answer: 6 Subtracting Real Numbers 1/2 (-5/8) Answer: 2 3.4 (-7.6) Answer: -4.2 54 119 Answer: 65 Adding Real Numbers 7+ (-9) + (-5...
March 19, 2008 by Cherri

8th Grade Algebra-Answer Check
Write each decimal as a fraction in lowest terms. 1. 0.111... Answer: 1/9 2. 0.02 Answer: 1/50 3. 0.7272... Answer: 8/11 4. 0.012012... Answer: 4/333 ?? 5. 0.66666.... Answer: 2/3 6. 0.396 (reapeating sign over all numbers) Answer: 44/111 ??? If I got any of these wrong, can ...
January 19, 2009 by Joy

math
Please check. (-6m^2n+3mn^2-5mn+2)+(4m^2n+2mn^2-6mn-9) Answer: -2m^2n+5mn^2-11mn-7 (2x^4-3x^2+7x)-(5x^3+2x^2-3x+5) Answer: 2x^4-5x^3-5x^2+10x-5 (a-8)(a-1) Answer: a^2-9a+8 (z+6)^2 Answer: z^2+12z+36 (5x+2y)^2 Answer: 25x^2+20xy+4y^2 Is that order okay? Does it matter? (2x-7)(...
August 21, 2008 by anonymous

math
Please check. (-6m^2n+3mn^2-5mn+2)+(4m^2n+2mn^2-6mn-9) Answer: -2m^2n+5mn^2-11mn-7 (2x^4-3x^2+7x)-(5x^3+2x^2-3x+5) Answer: 2x^4-5x^3-5x^2+10x-5 (a-8)(a-1) Answer: a^2-9a+8 (z+6)^2 Answer: z^2+12z+36 (5x+2y)^2 Answer: 25x^2+20xy+4y^2 Is that order okay? Does it matter? (2x-7)(...
August 21, 2008 by anonymous

rounding to sig figs
round the following to THREE significant figures: i tried some of them...please check to see if i did them right...thank you a) 356,309 a. Answer: 356,000 b) 0.05738949 a. Answer: 0.0574 c) 0.05999999 a. Answer: 0.0510 d) 583,689 a. Answer: 584,000 e) 3,556 a. Answer: 3,560 f...
October 22, 2008 by mary

Reiny or Steve could you check my Math?
1. (9m+6)+(-5m-6) my answer: 4m 2. (3r^2+7r+1)+(4r^2-8r-2) my answer: 7r^2-r-1 3. (6h-1)-(9h+4) my answer: -3h-3 4. (m^2-m-4)+(m-5) my answer: m^2-9 5. (4x+4)+(3x+2+1) my answer: 7x+7 Now this was book work for me so it doesn't have multiple choice, so are my answers correct?
May 14, 2013 by Gabby

algebra
Need some one check my homework. Evaluate 3p/q when p=2 and q=6. Answer:1 Use < > or = for __ to write a true sentence: 0.001 __ 0.0010 Answer:< Question 3 Evaluate -3/8 - 5/8. Answer:7 Question 4 Evaluate: 84 + (-99) + 44 - (-18) - 43 = Answer:4 Question 5 Multiply...
May 29, 2014 by Lisa

5th grade Math
Having problems with less than/greater than decimals. Wanted to double check some answers. a)0.5_1.0 My Answer is < b)3.2_3.02 My answer > c)4.83_4.8 My answer < d)6.25_6.4 My answer < e)0.7_0.07 My Answer >
August 25, 2010 by SK

cal
1. Given the function f(x) and g(x) below determine the following: A) f o g(3) ANSWER: B) f o g(-4) ANSWER: C) g o f(0) ANSWER: D) f o f(1) ANSWER: E) g o g(-2) ANSWER:
December 18, 2011 by john

Algebra
Hiya. I have 7 expressions that I have been asked to simplify. I worked all of them out, and if you could, I'd like you to check my work for me. Here they are: 1. (x^2 + 3x - 9) + (-4x^2 + 2x - 3) My answer: -4x^4 + 5x - 12 2. (x - 2)(3x + 5) My answer: 3x^2 - 30x - 10 3. (r...
February 20, 2014 by Kathy

algebra
Factor completely with respect to the integers. I just need to see if I can simplify or factor the answers I got even further. 1. x^3 + 64 Answer: (x+4)(x^2-4x+16) Can this simplify any? 2. 8x^3 - 64 Answer 8(x-2)(x^2+2x+4) 3. x^-2x^2+4x-8 Answer: (x^2+4)(x-2) 4. 2x^3 + 3x^2...
January 10, 2007 by anonymous

Algebra Please Check answers
Directions: Determine whether each trinomial is a perfect square. If so, factor it. 2. 4a^2+4a+1 Answer: 2(a+1)^2 3. 9m^2+15m+25 Answer: no 4. d^2-22d+121 Answer: (d-11)^2 Directions: Determine whether each binomial is the difference of squares. If so, factor it. 5. x^2-16 ...
April 5, 2009 by Rae Rae

French
Could you please check my answers thank you so much. Directions: Tell whether each item is either casual or formal. Using sport and habill 1. Des baskets Answer: sport 2. Un tailleur Answer: habill 3. Un jean Answer: sport 4. Un complet Answer: habill 5. Une blouson Answer...
April 20, 2009 by Cupcakes (YUM)

check math
Here are my answers. Can you check if I got the right answers? Thank you! (x+3)(x-3)>0 answer: x<-3 or x>3 x^2-2x-15</=0 answer: -3</=x</=5 12x^2=3x answer: x=1/4 sin2x=sinx, 0</=x</=2pi answer: x=pi lx-3l<7 answer: (-oo,oo) (x+1)^2(x-2)+(x+1)(x-2)^2...
August 8, 2007 by Anonymous

Math - Check My Answers
Please help me with the following(there is 9 problems so be prepared): 1.2^(1/3)∙4^(1/3) I think it is 4 for the answer. 2. 11^(1/2)∙11^(1/2) I think it is 11 for the answer. 3. 2^(1/2)∙2^(1/2) I think it is 2 for the answer. 4. 3^(1/3)∙9^(1/3) I think ...
February 17, 2014 by Brady

Physics - Significant figures
State the number of significant figures. 1) 809 Answer : 3 2) 0.0060 Answer : 5? 3) 0.00000095 Answer : 9? 4) 5.60 Answer : 3 5) 5.743 Answer : 4 6) 0.010 Answer : 4?
September 11, 2011 by Anonymous

math check
1. find the square root of 25 answer 5 2. find the median of the following set of numbers 33,72,23,27,77,68,85 answer 68 3. find the mean of the following numbers 13, 15,18,18,18,19,22,26,28,33 answer 21 4. find the mode 15,14,10,15,,16 answer 15 5. the total budget of a ...
February 9, 2007 by carla

Math
Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x)) (my answer was 100.9...
May 29, 2013 by DeeDee

ELA
Complete the exericse with basic words.Add ion to each verb to make a basic word protect answer: protection confess answer: confession imitate answer: imitation impress answer: impression express answer: expression
April 23, 2012 by Neon

PLEASE HELP ME! PLEASE!
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 Answer: No Solution ?? 5) 9x + 12y = 15 3x + 4y = 5 Answer: Identity ?? 6) 2 = 4s - 3t 2 = 12s - 9t Answer: No ...
February 25, 2009 by Veronica

French
Bonjour! Could you please check these thank you very much!! Directions: Use the form of de la, du, des, or de l' and also le la or les. Oh, j' achte des carottes, (1)------ pinards, (2)------- haricots verts. (1)Answer: des (2)Answer: des Moi, je mange (1)-------- lgumes ...
March 25, 2009 by Lady Gaga fan

Algebra(check pt 3)
1)The dimensions of ST. S[7/12 -1/9] [-1/3 1/9] T[4 -5 2] [8 -1 3] answer=2x3 2)The pair of matrices that are inverses. P[3 1] Q[4 4] R[0 -1/4] [-4 0] [12 21] [1 3/4] S[7/12 -1/9] T[4 -5 2] U[-9 6 4] [-1/3 1/9] [8 -1 3] [-5 -2 3] V[3 1] [0 2] [-4 5] answer=S and R 3)Find the ...
July 28, 2007 by erin

Math (Algebra)
How do you simplify the following fraction; 72 --- -68 I know the answer is -18 --- -17 What I do not know is how this is the answer.The example I looked at did not tell me how it came to the answer. What do I do to find the answer?
July 10, 2010 by Lynn

Algebra(Check Please?)9nth Grade
3.) 3x + y = -8 My answer: Y=-8 + -3x 4.)2x - y = 11 My Answer: y=2x + -11 5.) 4x + -8y = 24 My answer: y = 32x + -192 6.) 15x + 10 = -14 - 9x My answer: NEED HELP WITH THIS ONE.
September 7, 2011 by Joshua

maths, algebra
State the degree of each of the following: a)3 b)x^0 My answer for a) was: 1 My answer for b) was: 1 BUT at the back of the book, the answer for a) was 0. The answer for b) was also 0. I just don't understand why I'm wrong.
September 11, 2012 by AK

ALGEBRA! URGENT. Check Answers!
1. 18x^2 + 6 + 4x - 15x^2 - 4 + 13x Answer: 3x^2 + 17x + 2 2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9 Answer: -x^2 + 3x + 15 3. 3x^2 + 5x - 7x + 3 - 5x^2 + 2 Answer: -2x^2 + 2x + 5 4. In the expression -7x - 3x^2 + 5. What is the coefficient of x? Answer: I think it's 7 or -7 Thanks!
May 27, 2014 by Claire

Math 8R: Homework Check - Part 4
Part 4: Translate and solve: 25. 6 less than twice a number is ten Answer : 2n - 6 = 10 (answer: n = 8) 26. The quotient of a number and 4 plus 3 is 8 Answer: n/4 + 3 = 8 (answer: n = 29) 27. 4 less than three times a number is -28 Answer: 3n - 4 = -28 (answer: n = -8) 28. ...
October 29, 2012 by Laruen

math
My homework tells me to divide the answer ,add the answer, and find the mixed fraction in the answer, but they don't tell me where I get the answer . What do I do? Surely there is more info. If not, you can't do it.
March 13, 2007 by Aria

Algebra 1 (Reiny)
1Simplify the quotient (6.4 x 10^9) / (1.6 x 10^-3). Write the answer in scientific notation. My answer: 4 x 10^6? Simplify. 2. a^16/a^4 My answer: a^12? 3. (4y^6/x^3)^2 My answer: b^15/8?
February 21, 2014 by Anonymous

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

French
Could you please check these thanks. Directions: Use with only the d form(de la, de l' des, or du) Au march, Jean-Marc achte (1)------- pain, (2)------- jambon, (3) ------- fromage, (4)-------- fraises et (5)------- crme. Il va prparer (6)------ sandwichs au jambon et au ...
March 25, 2009 by Lady Gaga fan

Grammar (Last one :) )
Except for Ronnie and _____, everyone was on time. him(my answer) he Between you and _____, I know the answer to the mystery. I me(my answer) Leave your message with Ms. Horioka and _____. me(my answer) I It was Geraldine Ferraro _______ ran for vice president in 1984. who(my ...
February 5, 2013 by Anon

Algebra
Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Lets work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x-7) = x + 11 Answer: x + 11 3.) (2x+4) (2x-3) = 4x + 7 ...
April 3, 2011 by Jeannie

Algrebra
Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Lets work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x-7) = x + 11 Answer: x + 11 3.) (2x+4) (2x-3) = 4x + 7 ...
April 3, 2011 by Jeannie

math
This is for Ms. Sue ! 0.002,1/4,0.20,1/5 my answer 1/5 and 0.20 7/20,6/20,3.5,0.35 my answer 3.5 0.008,0.08,2/25,1/12 my answer 0.08 14%,1/8 , 0.065, 0.03 0.065, 0.03,1/8 , 14% 0.03, 0.065, 1/8 , 14%, my answer C 0.03, 0.065, 14%, 1/8 7/14,2/5 , 32%, 0.25 7/14, 0.25, 32%, 2/5 ...
January 21, 2013 by Anonymous

chemistry (WEBWORK)
Use the labels (CV+, OH, CVOH, , Ea (activation energy), & G) to complete the reaction potential energy profile below. More than one answer is possible for some spots. a. (Use i, ii, iv, etc. for your answer) b. (Use i, ii, iv, etc. for your answer) c. (Use i, ii, iv, etc. ...
July 17, 2010 by june

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
I need to test the integral bounds for the roots. 6x^3-7x^2+7x+9=0 I used synthetic division to find my answer. 1 6 -7 7 9 6 -1 6 6 -1 6 15 0 6 -7 7 9 0 0 0 6 -7 7 9 -1 6 -7 7 9 -6 13 20 6 -13 20 29 2 6 -7 7 9 12 10 34 6 5 17 43 my answer: -1<x<1 I don't understand why ...
April 5, 2008 by Lori

Algebra 2/Math
Can you check these thanks. Solve the system by substitution or elimination. 2x+y=1 3x-y=14 Answer: (3,5) x-3y= -12 2x + 11y= -7 Answer: (39,17) 4x+2y=8 12x+6y=24 Answer: no solution 4x-2y=5 2x-y= -1 Answer: no solution 4a+3b =6 8a-b= -9 Answer: no solution
November 20, 2010 by Karen

Algebra 1 Answer Check
1. Simplify 49^3/2. My answer: 343? 2. Simplify 5^x^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is written in standard form, what is the leading coefficient? My answer: -2? 4. Classify the polynomial 5x^2 + 9x + 1 according to tis degree and number...
February 21, 2014 by Anonymous

Algebra 1
Can someone please check my answers? Thank You 1) Find an equivalent expression without parenthesis -(y+87) Answer: -y-87 3) Solve -3x-13x=96 answer: x= -6 4) Find the decimal notation 14/25 Answer: .56 5) Divide if possible 7/0 Answer:0 6) Solve 7x+10=52 Answer: x=6
November 5, 2008 by deedee

Algebra (check answers)
Could you please check my answers we are using substitution to solve each system of equations. And at the end of every solution you are supposed to have an answer as a coordinate. 1. x=2y x+y=3 Answer (1,2) 2. 2y=3 x-y=10 Answer: (10,10) 3. y=x+7 x+2y= -21 Answer: (-3,-4) 4. ...
April 27, 2009 by Stacie

Troy
Can someone check my answers for the following problems. Simplify. Assume that no denominator equals 0. 1)(7x^2+3x-9)-(-x^2+8x-3) answer: 6x^2-5x-6 2) 5x^3(7x)^2 answer: 245x^5 3) (2x-3)^2 answer: 4x^2-9 4) Use synthetic division to find (2x^3-5x^2+7x-1)/(x-1) answer: 3 5)...
April 11, 2008 by Alegebra2

Algebra 2 ..
Solve the equation by completing the square. x^2-2=9x My answer: x=9/2+or- the sqrt. of 22.25 (but when I checked my answer the actual answer was x=9+or - the sqrt. of 89 and then all over 2) Please explain why my answer is different from the actual answer.
December 25, 2012 by Anonymous

algebra
(y^2 - y + 2)/(y + 2) I put this in calc101 . com and I got an answer with y - 3 in the quotient and got 8 in thr remainder area. My answer key says the answer is y - 3 + 8/y + 2. Can someone explain how the answer key has this answer?
May 1, 2014 by Anonymous

language arts
tell which letter is a correct answer to the questions. a question may have more than one right answer. Which of the following can be inflamed? a. a wound b. a menu c. an interrogation d. a congregation (I know for sure an answer is 'a' but I'm wondering if c and/or d is an ...
March 27, 2012 by SoccerStar

Algebra
Hi! I just want you to check if my answers are correct. Factor the expressions: 1. 15a^2(b-2)^2 + 20a^3(b-2)^3 = my answer is 5a^2(b-2)^2 [3 + 4a(b-2)] 2. 18p^2q^3 (r-6)+ 24(r-6) = my answer is 6(r-6)[3p^2q^3 + 4] 3. 24(x-y)^2 + 48(y-x) - 72(x-y)^3 = my answer is 24[(x-y)^2 + ...
July 9, 2012 by Anonymous

Math/Algebra
Find each sum or difference (3x^2 + 7x- 2)+ (2x^2 - 3x + 4) Answer: 5x^2 + 4x + 2 (4x + 8y) + (-7y + 3x) Answer: 7x+1y (x^2 + 4x - 1)+ (9x^2 - 8x + 9) Answer: 10x^2 - 4x + 8 (8x + 6) - (2x - 1) Answer: 6x+ 11
March 24, 2009 by Cindy

French
Please check these: I don't know how to do some of the accents sorry:( Directions: Fill in the correct form of au, la, l', or aux 1. Elle prte la chaise ------ voisin. Answer: au 2. Ils sont ------ glise. Answer: l' 3. E(with an accent)Ecrivez- vous -------- garons. ...
August 21, 2009 by skittles

Math
Could someone double check me Write the answer in lowest terms 5/9 + 8/9 = 13/18 What is the perimeter of a rectangle if the length is 7/11 ft and the width is 2/11ft? Answer: 9/11 ft Write the answer in lowest term 17/36 13/36 Answer: 1/9 8/15 + 3/20 Answer: 11/35 1 3/8 + 4...
February 23, 2008 by Sherri

math check please
1.Write 4x4x4x4x4 as a power of 4. Answer: 4^5 2. Evaluate. 72 divide 8-9 divide 3 Answer: 0 3. Give the place value for the indicated digit 8 in the number 138,350 Answer: Thousands 4. Fencing a rectangular field that measures 37 ft by 27 ft How much fence should i buy? ...
February 7, 2007 by tara

Algebra 1
1. Simplify the quotient (6.4 x 10^9) / (1.6 x 10^-3). Write the answer in scientific notation. My answer: 4 x 10^6? Simplify. 2. a^16/a^4 My answer: a^12? 3. (4y^6/x^3)^2 My answer: 16^12/x^6? 4. (2/b^5)^-3 My answer: b^15/8?
February 21, 2014 by Anonymous

Algebra 1
1. Simplify 49^3/2. My answer: 343? 2. Simplify 5^x^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is written in standard form, what is the leading coefficient? My answer: -2? 4. Classify the polynomial 5x^2 + 9x + 1 according to tis degree and number...
February 21, 2014 by Anonymous

math.chem
Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know the answer is 0.0306, but how many sigfigs should the final answer have? ...
September 13, 2007 by Jade

math
What is the answer of X' cap Y What is the answer of Y' U Z' What is the answer of (X \ Z ) ' What is the answer of ( Y \ Z ) ' U X ' X={10 ,20 ,30 ,40 ,50} Y={30 ,50, 60, 90, 100} Z={40, 50, 60, 70, 80} U={200, 300}
June 15, 2014 by tsunayoshi

French
Could you check these answers also thanks so much and god bless. Directions: Indicate whether each item of clothing is for a man, woman, or for either. 1. un blouson Answer: Les deux 2. Un chemisier Answer: Les deux 3. Un pantalon Answer: Les deux 4. Une jupe plisse Answer: ...
April 20, 2009 by Cupcakes (YUM)

English
Need to label the verb wish A for action of L for Linking... 1. The koala bears have climbed the tree. Answer=A 2. The peacock seemed more beautiful than before. Answer=A 3. In the rain forest display at the zoo, the birds looked stange and exotic. Answer=L 4. The goats in the...
March 28, 2011 by Ann

Physics - bobpursely
State the number of significant figures. 1) 809 Answer : 3 2) 0.0060 Answer : 5? 3) 0.00000095 Answer : 9? 4) 5.60 Answer : 3 5) 5.743 Answer : 4 6) 0.010 Answer : 4? Physics Help - bobpursley, Sunday, September 11, 2011 at 4:59pm 2, 3, 6 are wrong: Zeroes to the left of ...
September 11, 2011 by Anonymous

drbob222 math,correction
i made some corrections for the previous postage can you check those when you get a chance please. Also for this one: my options of answers are: A)2y + 6/3 B)3x- 6 /2 C)2 + 2y D)2/3y + 6 Directions: Solve for x: 3x - 2y =6 3x - 2y = 6 +2y +2y 3x = 6 +2y -- ------ 3 3 so my ...
January 11, 2007 by jasmine20

English
Choose the contraction in parentheses ( ) that correctly completes the sentence . 1/ She (don't, doesn't) know what to expect in the United States . Answer: doesn't 2/ Fortunatley, her aunt and uncle ( haven't, didn't) forgotten to meet her plane. Answer: didn't 3/ ( Didn't, ...
February 23, 2014 by NAwaf

French continued
Could you please check these to thanks! Directions: Complete the names of these dishes you have for lunch using , au, aux. 1. une soupe ------- oignon. Answer: l' 2. un sandwich -------- jambon. Answer: au 3. un sandwich ------- fromage. Answer: au 4. une omelette ------- ...
March 2, 2009 by French gurl

math
I have solved the following questions, let me know if they are correct, thanks. 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^...
March 24, 2012 by help

math-check
I have solved the following questions, let me know if they are correct, thanks. 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^...
March 24, 2012 by help

math
Solve each equation. What am I doing wrong because the answer is suppose to be 11/2 and I don't get the answer. Here's what I'm doing... Problem: 2x+1/4-3x-4/5=1/2 I get: 10x+5-12x-16=10 Which gives me -2x=21 My answer is -21/2 the correct answer is suppose to be 11/2
September 2, 2010 by Ronnie

calculus-answer check
1. Determine the slope of the tangent to the graph of y=4/x at (1,4) my answer is -4 2.What is the slope of the line perpendicular to y=(x-2)/(x+2) at (2,0) my answer is -4 3. For which value of x is the derivative of f(x)=(x-1)^10(x+2)^5 equal to 0? my answer is 1
May 9, 2014 by Kim

Calculus
This is a problem we did previously on a test; my answer was marked correct, but I am having trouble getting my answer in the same form that my teacher gave it. The question: Find the derivative of (x/(x+1))^1/2 His answer: ( (x(x+1))^(1/2) ) / (2x(x+1)^2) My answer: ((x+1)^(1...
April 14, 2009 by Lauren

Grammar
Choose the best answer: 1.The number of spurs ( 'is', 'are', 'am') not identifiable. Answer: are 2. One of the injection sites on the biceps ( seem, seems, seeming) inflamed. ANSWER: seems 3. Digital examination of the lungs ( reveals, reveal, revealing) consistent pink tissue...
May 12, 2011 by Leslie

math check
Peform each indicated operation and simplify. Can you please check my answers. Thank you. A)(x^2+2x-3)+ (2x^2-x+1) Answer: 3x^2+x-2 B) (-x^3+2x^2-5)+(x^2-x+6) Answer:-x^3+3x^2-x+1 C) (3y^2-x+7)-(y^2-2x+3) Answer:4y^2-3x+10 D)(2x^2-xy+y^2)-(-3x^2+xy+y^2) Can you help me with ...
April 14, 2010 by Lauren

algebra 2
I am taking an online class, and cant understand why when I calculate ona ti84 plus an answer I get decimal answer and my teachers answer is sq root, is there something I am not doing on my calculator? How do I convert. Example, teachers answer to the following was sin 315deg...
May 16, 2010 by jeff

Algebra word problem
There are 50 questions to answer in a triva contest. Each player starts with 100 points. He or she earns ten points for each correct answer but will lose four points for each incorrect answer. Each player must answer all 50 questions. What is the fewest number of questions a ...
October 5, 2011 by Linda

Algebra 2
Can someone check my answers. Write the following equations in standard form. 1) x^2 - 2x + y^2 + 4y = 11 answer: (x-1)^2 + (y+2)^2 = 16 2) 4x^2 + 24x - y + 34 = 0 answer: y = 4(x-3)^2 + 2 3) The graph of which equation is a circle? A. 5x^2 + 10x = 9 + 5y^2 B. 5x^2 - 10x = 0...
April 7, 2008 by Troy

MATH
there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer?
March 4, 2010 by j

Algebra II
Please check answers: Use the equation of the exponential function whose graph passes through the points (0,-2) and (2,-50) to find the value of y when x= -2. My answer: -2/25 Solve 64^x<32^x+2 Answer: x<10 Write the equation log(243)81=4/5 Answer: 243^4/5 = 81 Evaluate ...
March 29, 2008 by Lucy

polynomials
6. Simplify: 4x2yz2 2z Select answer A 2x2y2z2 Select answer B 2x2z Select answer C 2x2yz2 Select answer D 2x2y Select answer E 2x2yz
February 28, 2011 by Bri

math help
Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = + x (ii) Graph this equation on a scatter diagram. (Do this on paper. Your ...
June 26, 2013 by Tracy

More french
Directions: Complete the sentences, choosing the correct possessive adjective. 1. (Mon, Ma, Mes) Tu as ------- livre de maths. Answer: Mon 2. (Notre, Nos) C'est ------- maison. Answer: Notre 3. (Leur, Leurs) Voila -------- enfant. Answer: Leur 4. (Ton, Ta, Tes) Ou est...
January 23, 2009 by Megan

Evaluate Expression
10.Evaluate the following. [9]= answer 9 [-14] Answer = -14 Add: -3+4 My answer 1 -4+(-5) My answer -9 -57+(-38) my answer -95 -53+38 My answer -15
May 6, 2012 by Check Pls

French
Part 3: Encore des questions: Faites des questions directes avec les phraes de l'activit 10 (from previous part 2 post) 1. ----------- intresse Paul? Answer: Qu'est-ce qu' 2. ----------- lui est arriv? Answer: Qu'est-ce qui 3. --------- il a compris? Answer: Qu'est-ce qu' 4...
September 19, 2010 by Missy

accounting, correction
Can someone correct these for me thanks I'll appreciate it very much.... Identify whether a debit or credit yields the indicated change for each of the following accounts: a. To increase Store Equipment My answer: Debit b. To increase Owner Withdrawals My answer: Credit c. To ...
November 1, 2007 by student acc

Physics
Consider a pendulum of length 4.557 m. The acceleration of gravity is 9.832 m/s2 . a) What is its period at the North Pole? Answer in units of s. b) What is its frequency? Answer in units of Hz. c) What is its period in Chicago, where g = 9.803 m/s2? Answer in units of s. d) ...
March 4, 2011 by Ellen

Math
1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3
March 24, 2012 by Samantha

Math
1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3
March 25, 2012 by Help-please check

science
write T if the statement is true or F if it is false. a.)All the planets travel around the sun at the same speed.my answer is T. b.)The sun's gravity keeps the planets in orbit around it. my answer is F. c.)There is an asteroid belt between Jupiter and Saturn.my answer is T. d...
January 9, 2014 by Anonymous

French
Can you check these. I'm not really sure how to do these so I need a little help and examples. Part 1: Des promoms interrogatifs et relatifs Compltez en utilisant qu'est-ce qui ou qu'est-ce que. 1. ---------- se passe? Answer: Qu'est-ce qui 2. ----------- est sur la table? ...
September 19, 2010 by Missy

chemistry
what is the net ionic equation for the following molecular equation. HNO3 is strong electrolyte and CH3COOH is weak electrolyte. NaCH3COO(aq)+HNO3(aq)----->NaNO3(aq)+CHOOH(aq) the same question says use H+ for the hydronium ion, CH3OOH for acetic acid and CH3COO for the ...
March 1, 2014 by Kay

Algebra/Math
Can you check these for me. Directions: Find the slope of the line that passes through each pair of points. 1. (3,-8) and (-5,2) Answer: -10/8 2. (-10,-3) and (7,2) Answer: -5,-17 3. (-7,-6) and (3,-6) Answer: 9 4. (8,2) and (8,-1) Answer: 0 undefined Directions: State whether...
October 17, 2010 by Karen

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