math,correction plz
posted by jas20 .
can someone correct my math...thanks...
Perform the indicated multiplication. Then simplify each radical expression.
Problem#4
radical(13) times radical (5)
My answer: radical (15)
Problem #28
radical (7) (2radical(3)+3radical(7))
MY answer: 2radical(21) + 21
No on first one. sqrt(5*13).
yes on second.
Respond to this Question
Similar Questions

math, correction,plz
can someone correct these for me plz.... Problem#36 Use Property 2 to simplify each of the following radical expressions. Radical (10)/(49) My answer: (radical(2 times 5))/(7) Use the properties for radicals to simplify each of the … 
math,correction,plz
can someone correct these for me plz. Simplify by combining like terms. Problem#32 radical(63) minus 2radical(28) plus 5radical(7) My answer: 4radical(7) Find the perimeter of the triangle shown in the figure. leg...1 = radical (5) … 
math,correction plz
Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #50 (18+radical(567))/(9) my answer: 2+radical(7) Problem # 52 (9radical (108))/(3) My answer: 32radical (3) … 
math,correction,plz
Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6radical(20))/(2) My answer: 3radical(5) Problem #50 Find the area of the rectangle shown in the figure. … 
math,correction
Simplify by combining like terms. Problem #32 radical (63)  2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50 Find the perimeter of the triangle shown in the figure. leg 1 = radical (5)  radical (3) leg 2= radical … 
math,correction
problem #50 Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. (18+radical (567))/(9) My answer: 2+ radical (7) or 2radical (7) Problem # 52 (9radical(108))/(3) My answer: … 
math , help,algebra
i am up to this point in my problem but i don't know what to do next with it can someone show me. Directions: Simplify by combining like terms x radical(18) minus 3radical(8x^2) these are the steps that i've done so far. = x radical … 
math,help,algebra
Can someone show me how to solve these types of problems. i have two that are driving me nuts.as of now. Problem #1 Simplify: 2radical(12) + 4 radical (27) Problem #2 evaluate if possible the following i am going to describe it in … 
math,correction
Can someone help me with these...plz Simplify 2radical (12) + 4 radical (27) if i simplify radical (12) i get 2radical (3) then if i simplify radical (27) i get 3radical (3). so now i don't know if i'm doing this correctly or how to … 
math
in the question 6radical x +3 radical y 2radical y +3 radical x radical y is the answer 9 radical x +1 radical y. i just don't get it thanks