Questions and answers by

erin

Questions (121)

1)Simplify:(6x^3-16x^2+11x-5)/(3x-2)answer= 2x^2-4x+1-3over3x-2 2)Factor 27x^3-1 completley. answer= (3x-1)^3 if this isnt
1. 0 answers
2. 1,759 views
my post is still on this page as algebra, could someone elaborate on what bobpursley tried to help me with.See your original
1. 1 answer
2. 725 views
1)Simplify:(3x^0y^-4)(2x^2y)^3answer=6x^6 over y 2)Simplify:2x^2y^5z^-4 over 8x^6yz^3 answer= y^4 over 4x^4z 3)Saturn is 1.4 x
1. 0 answers
2. 954 views
has anyone read my 4 previous posts? I really need someone to check my answers.Please be patient, Erin. Our advanced math
1. 0 answers
2. 595 views
1)Cramer's Rule is used to solve the system of equations:3m-5n=12,4m+7n=-5Which determinant represents the numerator for n?
1. 2 answers
2. 2,514 views
1)The dimensions of ST.S[7/12 -1/9] [-1/3 1/9] T[4 -5 2] [8 -1 3] answer=2x3 2)The pair of matrices that are inverses. P[3 1]
1. 0 answers
2. 529 views
1)The first row of -3T.T[4 -5 2] [8 -1 3] answer=[-12 15 -6] 2)The first row of 5P-Q. P[3 1] Q[4 4] [-4 0] [12 21] answer=[11 1]
1. 1 answer
2. 515 views
1)Solve the matrix:[2x] [14]for x[3y]=[12] answer=7 2)V[3 1] [0 2] [-4 5].The dimensions of matrix V. answer=3x2 3)The first row
1. 0 answers
2. 712 views
1)Find the range of the relation [(-1,4)},(2,5),(3,5)}.Then determine whether the relation is a funtion.4,5,5 is the range 4,5
1. 5 answers
2. 4,756 views
This doesn't make ANY sense to me. The table shows the relationship between height and growing times for 8 plants of the same
1. 0 answers
2. 706 views
(a-y)+2y3,if a= 2 and y= -3(2--3)2 + 2(-3)3 (5)2 + (-6)3 25 + -216 -191 either im wrong somewhere or my book doesnt have that
1. 0 answers
2. 985 views
evaluate:-[a-3b],if a= -2 and b= 6-[-2-18] -[20] 20 correct? these are absolute bars by the way. No, not correct. |-20| is 20.
1. 1 answer
2. 641 views
1)solve the inequality -3(r-11)+15>_9 my answer = r<_132)solve the inequality -2<4z+10<_12 my answer = -3<z<_1/2 3)solve the
1. 7 answers
2. 3,021 views
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
1. 0 answers
2. 1,232 views
solve the inequality: -3(r-11)+15> 9_ this is as far as Ive gotten. -3r+33+15> 9 _ subtract 33, subtract 15 from each side. Now
1. 0 answers
2. 515 views
The formula A = 180(n-2)/n relates to the measure A of an interior angle of a regular polygon to the number of sides n. If an
1. 1 answer
2. 4,670 views
does this sentence make sense? how can I make it better?A man determined to find love through the internet finds out that love
1. 0 answers
2. 480 views
When all parts of a circuit are composed of conducting materials, the circuit is said to be?closed? Complete? Better than the
1. 0 answers
2. 811 views
How does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries?The addition of sugar to the
1. 0 answers
2. 956 views
beverly, chris, pat, and sandy are andy's mother, father, sister, and brother. Sandy, who is the oldest, is not andy's father.
1. 0 answers
2. 967 views
suppose you want to take a karate class. the first class is january 16th. the class meets every week for 6 weekswhats the date
1. 0 answers
2. 799 views