math
posted by krystal .
I've worked these problems but I was just wondering if someone could check over them to see if they're correct...if not please help!
(u2)(u+7)
my answer: 7u^249u
(5t4)^2
my answer: 25t^240+16
Thank you :)
Respond to this Question
Similar Questions

Please Check My Math Work
Hi.  I solved this problem,but I am not sure if it is correct.If you can please tell me if it is right or if it is wrong what is wrong with it.: 6y^254= (3y6)(2y+9) *Many of you may be are wondering why my title is,"[C]razy Baby. … 
Algebra 2
would some one please check these for me 1. divide x^236y^2 over 5x^2+30y divide (x^26xy) A: x+6y over (5x)(x^2+6y) 2. Add. Express your answer in simplest form. 2x 0ver x^2+15x+54 + 4over x+6 A: 6 over x+9 3. solve: (9 over x5) … 
Algebra
Can someone check my algebra answers and help me with the problems I don't understand? 
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 … 
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? 
algebra
I just want to see if my answer for this problem is correct or not. The aswer I have is 3x^23/7x^33x^217x+6. I was just wondering.Can I factor my answer? 
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 + … 
Calculus
Find the limit. lim 5x/(x^225) x>5 Here is the work I have so far: lim 5x/(x^225) = lim 5x/(x5)(x+5) x>5 x>5 lim (1/x+5) = lim 1/10 x>5 x>5 I just wanted to double check with someone and see if the answer … 
math
The particular solution of the differential equation dy/dt equals y over 4 for which y(0) = 20 is y = 20e−0.25t y = 19 + e0.25t y = 20 e0.25t  my answer y = 20e4t 
Math
Half of a pizza was broccoli and half was mushroom. George ate 2/3 of the broccoli and 1/4 of thee mushroom part. How much of the pizza did he eat?