Questions and answers by

b6

Questions (22)

Which set of integers is not closed under what operation?+ - x Division I thought it was division but I don't understand , can
1. 2 answers
2. 1,246 views
2x^3+4x^2-3x^2-6x when x=3I did2(3)^3+4(3)^2-3(3)^2-6(3) 2(27)+4(9)-3(9)-6(3) 54+36-27-18 90-27-18 63-18 45 is this correct?
1. 1 answer
2. 250 views
Daniel needs to purchase 5.6 meters of tape for a project. If each roll of tape contains 80cm andcosts $2.50, what is the total
1. 1 answer
2. 509 views
solve and express the answer as an improper fraction in lowest terms5/6-2/3(6-1/2)+3/4 I did 5/6-4+1/3+3/4 -31/6+1/3+3/4
1. 1 answer
2. 474 views
which expression is equivalent to3/4x-24. It is a multiple choice questuion a 1/4(3x-48) b 1/4(3x-24) c 3/4(x-32) d 3/4(x+32) I
1. 1 answer
2. 515 views
which expression is equivalent to3/4x-24. It imultiple choice a 1/4(3x-48) b 1/4(3x-24) c 3/4(x-32) d 3/4(x+32) I did it by
1. 1 answer
2. 394 views
which expression is equivalent to3/4x-24. It imultiple choice a 1/4(3x-48) b 1/4(3x-24) c 3/4(x-32) d 3/4(x+32) I did it by
1. 1 answer
2. 531 views
In the year 2000,approximately 169,000,000 personal cmputers were used in the US. What is this number expressed in scientific
1. 1 answer
2. 623 views
solve d/3> or= 6i mult. both sides by 3/1 d> or=18 Is this correct? Thanks
1. 1 answer
2. 964 views
I know how to do the work, but the way the question is worded I am not sure the answer. The math works comes out to -2 which is
1. 1 answer
2. 419 views
Which of the values is in the solution set for the inequality-8-7x>6 It is multiple choice A=-1 b=-2 c=-3 d=2 I did this:
1. 2 answers
2. 607 views
Which is the value is in the solution set for the inequality-8-7x>6 A=-1 b=-2 c=-3 d=2 -8-7x>6 add 8 to each side -7x>14
1. 1 answer
2. 413 views
I make A snack mix by combining 3/4 of a pound of gummy bears with one pound of peanuts. I have 3 1/4 pounds of peanutsa) how
1. 0 answers
2. 425 views
the question is a stock gained 2 7/8 points, lost 1 3/4 points and then gained 1/2 point and then lost 5 points. What was the
1. 1 answer
2. 700 views
There are three pieces of rope with the lengths 15 1/3feet, 20 1/2 feet, and 30 3/4 feet.A) how many yards in all? B) If thery
1. 4 answers
2. 642 views
how many t in a kg?
1. 2 answers
2. 677 views
12/y = -4I got -3. Can you show the steps how to get the answer. Thanks
1. 1 answer
2. 435 views
4r=-32Can you help show how the work is done. I got r=-8 Thank you I meant to put the minus in but I need help on the steps to
1. 1 answer
2. 412 views
4r=-32Can you help show how the work is done. I got r=8
1. 1 answer
2. 391 views
Is (-33)-(+42) the answer-75and(-36)-(+24) is that -12
1. 2 answers
2. 741 views
At the end of three days, a stock was selling at $36 per share. On the preceding three days there had been a gain of $7 per
1. 3 answers
2. 543 views
There are 5 cards numbered 1,2,3,4,5 in a bag. There is also a fair coin that is tossed what is the probilityP(odds,Tails) I
1. 1 answer
2. 451 views