math,correction
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can someone please correct this for me thanks. simplify: 7sqrt(7x) + 5 sqrt (7x) My work: (7+5)sqrt (7x) My answer: 12sqrt (7x) is this correct? yup so i don't have to take out the x from the radicand Nope. 7x + 5x = 12x No matter
asked by jasmine20 on April 19, 2007 
Math
Is this correct: sqrt2/sqrt10=sqrt2/5sqrt2 nope. it would be sqrt2/(sqrt5)(sqrt2) no.d sqrt2/sqrt10= sqrt (2/10)= sqrt (1/5) sqrt 0.2 thanks can you help me with this please? Factor:9x^28y^2 oh ok; can one of you help me with
asked by margie on January 8, 2007 
math,correction
Can someone correct these for me plz... Problem#6 Factor. x(x5)2(x5) My answer is: (x2)(x5) Problem#7 Factor completely. x^2x6 My answer is: (x+2)(x3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5)
asked by jas20 on February 28, 2007 
math
I'm supposed to factor this: 3z^217z+24 I used the quadratic equation, but I'm not sure if that's what I was supposed to use to get the answer. This is how I worked it... (17)+/sqrt(17^24(3)(24) 
asked by hailie on February 16, 2009 
math,correction
is this correct: solve by using the quadratic formula 5x^2+x=3 what i keep getting is this: (1 +/ sqrt 61)/(10) or should i reduce the denominator to 5 or is my whole answer incorrect? (1 +/ sqrt 61)/(10) looks correct. You do
asked by jasmine20 on April 19, 2007 
math,algebra,correction
which one is correct: factor completely: y^4+3y^35y^215y I ended up with two different ways but i am not sure which one is correct. Is it (A) y(y^25)(y+3) or (B) (y^35y)(y+3) Personally i think its A but then when i do foil to
asked by jacky20 on April 18, 2007 
math,correction
is this correct: solve: 5(x2)^2=3 My answer: (10 +/ sqrt 15)/(5) looks like you expanded, then used the formula and you got the right answer properly reduced. I think you are getting this!!! I don't want to confuse you but I
asked by jasmine20 on April 19, 2007 
Algebra 1
How to factor 10k^2+35k+15 completely? I would start with the easy: factor five out. 5(5k^2 +7x +3) Now the three tells you that the factors are probably 3,1 and the five tells you that the factors are probably 5,1 5(5k+3)(k+1)
asked by Montie on March 31, 2007 
8th grade algebra
Hello! I was working on a maths thing and I'm a bit lost on this one problem, would anyone mind explaining how to do this? ~A recipe called for 2 cups of flour to make two dozen (24) cookies. Write and solve a proportion to find
asked by Walrus King on November 3, 2015 
math,correction
can someone check these for me please.... problem#4 Directions: Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms. 3a^3+3ab^2+2a^2b+2b^3 My answer:
asked by jas20 on February 24, 2007