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Recent problems solved by 'checkley71'

checkley71 answered: 8399 problems
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Inequalities/49459: please help me fine the point slope form and slope intercept passing through (-2, -5) (6 -5) so far i have -5 - (-5)/6 - -2 = 0/8 = 0/2 = m y - (-5) = 0/2 (x - 6) y + 5 = 0/2 (x - 6) Is this correct for point slope? y + 5 = 0/2 (x - 6) y + 3 - 0/2x + 1 solutions Answer 32862 by checkley71(8403)   on 2006-08-21 16:51:46 (Show Source): You can put this solution on YOUR website! (-2,-5)(6,-5) CREATES A LINE WITH A SLOPE OF (-5-(-5))/(6-(-2) OR 0/(6+2) OR 0/8 OR 0 -5=O*-2+M OR -5=M OR WE HAVE Y=0X-5 OR Y=-5 OR A HORIZONTAL LINE PASSING THROUGH THE POINT (0,5)

Linear-equations/49455: Can someone help me solve this problem: I need to solve this linear equation: 2x + 5y = 15 (for y) Thanks, Lyn 1 solutions Answer 32861 by checkley71(8403)   on 2006-08-21 16:42:38 (Show Source): You can put this solution on YOUR website! 2X+5Y=15 OR 5Y=15-2X OR Y=(15-2X)/5 OR Y=3-2/5X

Linear-equations/49460: Can someone help me on this problem? Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16 m, one base is 20 m, and the area is 224 m^2, find the length of the other base. Thanks, Ashley 1 solutions Answer 32860 by checkley71(8403)   on 2006-08-21 16:39:59 (Show Source): You can put this solution on YOUR website! 224=16*(20+X)/2 OR 224=8(20+X) OR 244=160+8X OR 8X=244-160 OR 8X=64 OR X=8 THEREFORE THE MISSING SIDE IS 20+8=28 PROOF (20+8)/2*16=224 OR 14*16=224

Linear-equations/49461: Can someone help me on this? I need to translate this statement to an algebraic equation. Let x represent the number in this problem: The sum of two consecutive integers is 145. Find the two integers. Thanks, Ashley 1 solutions Answer 32859 by checkley71(8403)   on 2006-08-21 16:20:47 (Show Source): You can put this solution on YOUR website! X+(X+1)=145 OR 2X+1=145 OR 2X=144 OR X=72 & X+1=73 OR 72+1=73 OR 73=73

Number-Line/49463: Can someone help me solve this problem? I need to solve the following word problem. Be sure to label the unknowns and to show the equation you use for the solution: Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each piece be? Thanks, Ashley 1 solutions Answer 32858 by checkley71(8403)   on 2006-08-21 16:18:01 (Show Source): You can put this solution on YOUR website! 98=X+(X+10) OR 98=X+X+10 OR 98=2X+10 OR 2X=88 OR X=44 & X+10=54 PROOF 44+54=98 OR 98=98

Polynomials-and-rational-expressions/49468: Find the constant term that should be added to make the following expression a perfect square trinomial x^2+5x 1 solutions Answer 32857 by checkley71(8403)   on 2006-08-21 16:14:38 (Show Source): You can put this solution on YOUR website! x~2+5x+6.25 or (x+2.5)^2=0

Quadratic_Equations/49475: Solve. (x – 5)2 = 6 1 solutions Answer 32856 by checkley71(8403)   on 2006-08-21 16:10:37 (Show Source): You can put this solution on YOUR website! (x-5)2=6 or 2x-10=6 or 2x=16 x=8

Linear-equations/49482: 1x + 1y = 4 x = -1 is (-1,5) a solution 1 solutions Answer 32855 by checkley71(8403)   on 2006-08-21 16:06:39 (Show Source): You can put this solution on YOUR website! x+y=4 & if x=-1 then -1+y=4 or y=5 thus the points on the line is (-1,5) ANS=YES.

Linear_Equations_And_Systems_Word_Problems/49356: This question is from textbook Beginning Algebra solve each of the following systems by substitution 5x - 2y = -5 y - 5x = 3 1 solutions Answer 32809 by checkley71(8403)   on 2006-08-20 08:40:34 (Show Source): You can put this solution on YOUR website! Y=5X+3 THEN 5X-2(5X+3)=-5 OR 5X-10X-6=-5 OR -5X=+1 OR X=-1/5 Y=5*-1/5+3 OR Y=-1+3 OR Y=2

Equations/49370: evaluate if possible the radical expression -121 1 solutions Answer 32808 by checkley71(8403)   on 2006-08-20 08:32:10 (Show Source): You can put this solution on YOUR website! sqrt -121=11i

real-numbers/49359: please help me simplify this expression 9-(3/4+2)*12+6/.5*3 1 solutions Answer 32807 by checkley71(8403)   on 2006-08-20 08:30:44 (Show Source): You can put this solution on YOUR website! 9-(3/4+2)*12+6/.5*3 or 9-(11/4)*12+12*3 or 9-132/4+36 or 9-33+36 or 45-33 or 12

Expressions-with-variables/49382: - 3 + ( 5-9 ) 1 solutions Answer 32806 by checkley71(8403)   on 2006-08-20 08:24:22 (Show Source): You can put this solution on YOUR website! -3+(5-9) or -3+(-4) or -3-4 or -7

Expressions-with-variables/49383: -9 + 12 -7 - 2 + 13 1 solutions Answer 32804 by checkley71(8403)   on 2006-08-20 08:12:13 (Show Source): You can put this solution on YOUR website! -9+12-7-2+13 or -18+25 or +7

Equations/49371: evaluate if possible the radical expression 4/25 1 solutions Answer 32803 by checkley71(8403)   on 2006-08-20 08:10:50 (Show Source): You can put this solution on YOUR website! IF this is sqrt 4/25 then the answer is 2/5

Expressions-with-variables/49384: 10 - 3 - [ 11 - (-4)] 1 solutions Answer 32802 by checkley71(8403)   on 2006-08-20 08:08:30 (Show Source): You can put this solution on YOUR website! 10-3-[11-(-4)] or 10-3-[11+4] or 10-3-[15] or 10-3-15 or 10-18 or -8

Inequalities/49231: Please help me answer this problem: Worksheet says: Solve each system by substitution. check your solution. a-1.2b = -3 0.2b+ 0.6a= 12 1 solutions Answer 32723 by checkley71(8403)   on 2006-08-18 20:48:01 (Show Source): You can put this solution on YOUR website! a-1.2b=-3 or a=1.2b-3 then .2b+.6(1.2b-3)=12 or .2b+.72b-1.8=12 or .92b=13.8 or b=13.8/.92 or b=15 then a=1.2*15-3 or a=18-3 or a=15

Equations/49248: This question is from textbook beginning algebra x+7=12(5) please help me in solving this equations i am not getting any return solutions on my e-mail 1 solutions Answer 32722 by checkley71(8403)   on 2006-08-18 20:38:42 (Show Source): You can put this solution on YOUR website! X+7=12(5) OR X+7=60 OR X=60-7 OR X=53

Linear-equations/49253: Rewrite the equation 2x – 8y = 48 as a function of x. 1 solutions Answer 32721 by checkley71(8403)   on 2006-08-18 20:37:11 (Show Source): You can put this solution on YOUR website! 2X-8Y=48 OR 2X=48+8Y OR X=24+4Y

Geometric_formulas/49257: 3k-k=-8 1 solutions Answer 32720 by checkley71(8403)   on 2006-08-18 20:35:18 (Show Source): You can put this solution on YOUR website! 3K-K=-8 OR 2K=-8 OR K=-8/2 OR K=-4 PROOF 3*-4-(-4)=-8 OR -12+4=-8 OR -8=-8

expressions/49258: what is the answer to 21-13+8 1 solutions Answer 32719 by checkley71(8403)   on 2006-08-18 20:32:59 (Show Source): You can put this solution on YOUR website! 21-13+8 OR 29-13 OR 16

Complex_Numbers/49263: -38+9a=40 1 solutions Answer 32718 by checkley71(8403)   on 2006-08-18 20:31:14 (Show Source): You can put this solution on YOUR website! -38+9A=40 OR 9A=40+38 OR 9A=78 OR A=78/9 OR A=26/3 OR A=8 2/3

Expressions-with-variables/49267: (6a-54)-(5a+27)=23 1 solutions Answer 32717 by checkley71(8403)   on 2006-08-18 20:28:29 (Show Source): You can put this solution on YOUR website! 6A-54-5A-27=23 OR A-81=23 OR A=23+81 OR A=104

Numbers_Word_Problems/49312: This question is from textbook Beginning Algebra Can someone help me out with this one? A garden area is 30 ft long and 20 ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400 ft^2, what is the width of the path? 1 solutions Answer 32716 by checkley71(8403)   on 2006-08-18 20:25:14 (Show Source): You can put this solution on YOUR website! (30-2x)(20-2x)=400 or 600-40x-60x+4x~2=400 or 4x~2-100x+200=0 or x~2-25x+50=0 or 9X-22.8)(X-2.19)=0 OR X=22.8 & X=2.19 (USING THE QUADRATIC EQUATION) THUS THE PATHIS ~2.19FT WIDE. PROOF (30-4.38)(20-4.38)=400 OR 25.62*15.62=400 OR 400=400

Graphs/49188: 50+10= 1 solutions Answer 32617 by checkley71(8403)   on 2006-08-16 21:20:17 (Show Source): You can put this solution on YOUR website! 50+10=60

Systems-of-equations/49197: The equation is : (4*3)square * 5 ----------------- (9+3) What should I do after I resolve the top and bottom of the fraction? Do I divide the 720 by the 12? Or what should I do? 1 solutions Answer 32616 by checkley71(8403)   on 2006-08-16 21:18:23 (Show Source): You can put this solution on YOUR website! [(4*3)~2*5]/(9+3) or (12~2)5/12 or 144*5/12 or 720/12 or 60

Signed-numbers/49195: This question is from textbook Prentice Hall Mathematics Pre-Algegra Use the digits 1-9 in order. Insert operation signs and grouping symbols to get a value of 100. 1 solutions Answer 32614 by checkley71(8403)   on 2006-08-16 20:51:56 (Show Source): You can put this solution on YOUR website! (1+2)*3(-34+56+78)/9 or 3*3(100)/9 or 9*100/9 or 900/9=100

Linear_Algebra/49102: consitstent and inconsistnt systems 1.find the slope and y intercept of each line give the number of solutions x+y=5 y=2x+2 slope 1=0 and b 1=5 slope 2=2 and b 2=2 is that correct or please help i know im doing something wrong can the slope be a -1 for the first or would -x be 0 1 solutions Answer 32612 by checkley71(8403)   on 2006-08-16 20:37:02 (Show Source): You can put this solution on YOUR website! x+y=5 or subtracting x from both sides of the equation we get y=-x+5 or the sl0pe is -1 & b=5

Proportions/49194: A 30-foot board is sawed into two pieces.One piece is 6 feet longer that the other. How long are the two pieces? 1 solutions Answer 32611 by checkley71(8403)   on 2006-08-16 20:29:14 (Show Source): You can put this solution on YOUR website! x+(x+6)=30 or 2x+6=30 or 2x=24 or x=24/2 or x=12 for the short board & 12=6=18 for the longer board. proof 12+18=30 or 30=30

Percentage-and-ratio-word-problems/49163: Last year, Faye paid 24% of her income to taxes. If she paid $9600 in taxes, then what was her income? 1 solutions Answer 32573 by checkley71(8403)   on 2006-08-16 10:30:53 (Show Source): You can put this solution on YOUR website! .24X=9600 OR X=9600/.24 OR X=40,000 WAS HER SALARY.

Linear-equations/49162: Determine the slope of the line that goes through (-1, -2) and (4, -1). 1 solutions Answer 32572 by checkley71(8403)   on 2006-08-16 10:29:07 (Show Source): You can put this solution on YOUR website! SLOPE=(Y2-Y1)/(X2-X1) OR SLOPE=(-1+2)/(4+1) OR SLOPE=1/5

Percentage-and-ratio-word-problems/49159: Bob paid a total of $32,000 for his new car, including his down–payment and the interest on a loan. If the interest rate was 5%, and he made a down-payment of $5000, what was the sticker price of the car? 1 solutions Answer 32571 by checkley71(8403)   on 2006-08-16 10:27:01 (Show Source): You can put this solution on YOUR website! 32,000-5,000=27,000 which was the loan for 5% thus .05*27000=1,350 interest 32,000-1,350=30,650 which is the basic price of the car.