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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
asked by Joy on January 20, 2009 
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^23x5)
asked by Joy on January 20, 2009 
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 +
asked by Laruen on October 28, 2012 
8th Grade AlgebraRadicals: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 + 6ã10 10. (27/64 (Fractions) Answer: 3(3/8 ?? 11.
asked by Joy on January 14, 2009 
8th Grade AlgebraRadicals: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
asked by Joy on January 13, 2009 
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
asked by Cassidie on October 1, 2013 
Algebra
Can someone check my algebra answers and help me with the problems I don't understand? 1. n^2n20/2n^2 times n^2+5n/n^225 answer: n+4/2n 2. (2x6/21)/(5x15/12) answer: 8/35 3. 5x3/6  x+3/6 answer: 2x/31 4. 5x/26  2x/13
asked by Alexandria on June 24, 2007 
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
asked by Angela on January 19, 2010 
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
asked by Kathy on February 20, 2014 
PreCalculus
Could someone check my answers? 25. 32^(2x3)=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=
asked by Caroline on May 1, 2013 
algebra
Solve the given equations: 1. 2x5= 29 Answer: x=17 or is it........ x=12 2. 5(x+3)2x = 21 Answer: x=12 3. 3x+3(1x)= x17 Answer: x=20 4. 2[13(x+2)] = x Answer: x= 2 Factor Completely: 1. x^212x+20 Answer: (x2)(x10)
asked by anonymous on August 16, 2006