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Please check. (6m^2n+3mn^25mn+2)+(4m^2n+2mn^26mn9) Answer: 2m^2n+5mn^211mn7 (2x^43x^2+7x)(5x^3+2x^23x+5) Answer: 2x^45x^35x^2+10x5 (a8)(a1) Answer: a^29a+8 (z+6)^2 Answer: z^2+12z+36 (5x+2y)^2 Answer: 25x^2+20xy+4y^2 … 
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Please check. (6m^2n+3mn^25mn+2)+(4m^2n+2mn^26mn9) Answer: 2m^2n+5mn^211mn7 (2x^43x^2+7x)(5x^3+2x^23x+5) Answer: 2x^45x^35x^2+10x5 (a8)(a1) Answer: a^29a+8 (z+6)^2 Answer: z^2+12z+36 (5x+2y)^2 Answer: 25x^2+20xy+4y^2 … 
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 … 
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) Answer: … 
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Hello, I have trouble doing this problem: Sarah can bicycle a loop around the north part of Lake Washington in 2 hours and 40 minutes. If she could increase her average speed by 1km/hr, it would reduce her time around the loop by 6 … 
math
use the divisibility rules to determine wheather the first number is divisible by the second. 1.279;3 279/3=93 2.1,240;6 1,240/6=206.6666667 3.3,250;5 3,250/5=650 4.835;4  835/4=208.75 5.1,249;8  1,249/8=156.125 6.2,352;2  2352/2=1176 
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 + … 
Reiny or Steve could you check my Math?
1. (9m+6)+(5m6) my answer: 4m 2. (3r^2+7r+1)+(4r^28r2) my answer: 7r^2r1 3. (6h1)(9h+4) my answer: 3h3 4. (m^2m4)+(m5) my answer: m^29 5. (4x+4)+(3x+2+1) my answer: 7x+7 Now this was book work for me so it doesn't have … 
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 … 
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Combine like terms to simplify the expression. 1/_4+6+9y= Answer: 5y+6 2/ 20a+7+3= Answer: 20+10 3/_5k+9_2+9k= Answer: 4k+7 4/ 17+2.9h+3= Answer: 30+14 Simplify the expression. 5/ _4(3+d)+7d_d= Answer: _16+6d 6/ 8+5(j_5)+3j_1= Answer: …