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Alan3354 answered: 31497 problems
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Numeric_Fractions/644195: Solve. 3/3x - 1/x+1= 1 1 solutions Answer 405029 by Alan3354(31518)   on 2012-09-02 07:51:07 (Show Source): You can put this solution on YOUR website! Solve. 3/3x - 1/x+1= 1 If you mean 1 = 1 No unique solution. x = any number except 0

expressions/644202: 4x-(x-28)+6x-9 1 solutions Answer 405028 by Alan3354(31518)   on 2012-09-02 07:47:24 (Show Source): You can put this solution on YOUR website! 4x-(x-28)+6x-9 = 10x - (x-28) - 9 = 10x - x + 28 - 9 = 9x + 19

Triangles/644421: the square of the hypotenuse of the right isosceles triangle is 450 units.find the length of each side of the square 1 solutions Answer 405027 by Alan3354(31518)   on 2012-09-02 07:43:08 (Show Source): You can put this solution on YOUR website! the square of the hypotenuse of the right isosceles triangle is 450 units.find the length of each side of the square --------------

Functions/644370: I need help with figuring out the rule to this function: Domain: 0,2,4,6 Range: 3,4,5,6 y= Please and thank you 1 solutions Answer 404991 by Alan3354(31518)   on 2012-09-01 22:12:07 (Show Source): You can put this solution on YOUR website! I need help with figuring out the rule to this function: Domain: 0,2,4,6 Range: 3,4,5,6 ========== y = x/2 + 3

Numbers_Word_Problems/644323: the average of three consecutive numbers is 9 what are the the integers 1 solutions Answer 404973 by Alan3354(31518)   on 2012-09-01 20:19:15 (Show Source): You can put this solution on YOUR website! the average of three consecutive numbers is 9 what are the the integers ---------- 8, 9 & 10

Surface-area/644277: How do you find the area of a diamond figure? The coordinates I have are the following: Q (-1,-5) U (4,5) A (0,2) D (4,0) Another Question: How can I prove or disprove if a shape given is a square? (This relates to finding area because I must do so after the proving or disproving of the figure). The coordinates are the following: (0,9) (6,2) (-1,-4) (-7,3) 1 solutions Answer 404947 by Alan3354(31518)   on 2012-09-01 16:52:35 (Show Source): You can put this solution on YOUR website! How do you find the area of a diamond figure? The coordinates I have are the following: Q (-1,-5) U (4,5) A (0,2) D (4,0) ----------------- Q...A...U...D...Q -1 +0 +4 +4 -1 -5 +2 +5 +0 -5 ------ Add the diagonal products starting at the upper left -1*2 + 0 + 0 - 4*-5 = -2 - 20 = -22 ----- Add the diagonal products starting at the lower left 0 + 2*4 + 5*4 0 = 28 ========== ABS of the difference = 50 Area = 50/2 = 25 sq units

Travel_Word_Problems/644299: If a car and a plane traveled 100 miles who traveled further? 1 solutions Answer 404946 by Alan3354(31518)   on 2012-09-01 16:34:34 (Show Source): You can put this solution on YOUR website! If a car and a plane traveled 100 miles who traveled further? ------------- Neither.

Exponents/644296: can you please teach me how to make 208 times 10 to the 3rd power? 1 solutions Answer 404941 by Alan3354(31518)   on 2012-09-01 15:57:15 (Show Source): You can put this solution on YOUR website! can you please teach me how to make 208 times 10 to the 3rd power? -------------- Not sure what you mean my make it.

absolute-value/644288: What is 2/3 of 12. Help me break it down 1 solutions Answer 404939 by Alan3354(31518)   on 2012-09-01 15:25:24 (Show Source): You can put this solution on YOUR website! What is 2/3 of 12. Help me break it down ------------ We solve math problems. We don't break things down.

Signed-numbers/644293: here's the equation: 6-1x0+2/2 what is the sequence in order to get the right answer? should you follow as is or you group them first? i kinda remember in high school wherein if there are multiple operations, i think you do the multiplication & division first before doing the addition and subtraction. is this correct? 1 solutions Answer 404938 by Alan3354(31518)   on 2012-09-01 15:24:27 (Show Source): You can put this solution on YOUR website! here's the equation: 6-1x0+2/2 ------------- Equations have equal signs.

Numbers_Word_Problems/644264: If 9 is subtracted from three times a certain number, the result is 39. Find the number. 1 solutions Answer 404930 by Alan3354(31518)   on 2012-09-01 14:16:11 (Show Source): You can put this solution on YOUR website! If 9 is subtracted from three times a certain number, the result is 39. Find the number. ========== n = the certain number 3n = 3 times it 3n-9 = 39

Travel_Word_Problems/644247: If a truck goes 300 feet in 2.5 seconds what is the mph of truck 1 solutions Answer 404922 by Alan3354(31518)   on 2012-09-01 13:31:27 (Show Source): You can put this solution on YOUR website! If a truck goes 300 feet in 2.5 seconds what is the mph of truck -------------- d = r*t r = d/t ================ 1 mile = 5280 feet 1 hour = 3600 seconds

Exponential-and-logarithmic-functions/644237: 3x-7y=8; x=-2 not sure how to answer this 1 solutions Answer 404921 by Alan3354(31518)   on 2012-09-01 13:30:51 (Show Source): You can put this solution on YOUR website! 3x-7y=8; x=-2 not sure how to answer this -------------- What's the question?

Geometry_Word_Problems/644259: the three sides of a right triangle form three consecutive even numbers. Find the length of the three sides, meansured in inches. how do you solve a problem like this? 1 solutions Answer 404920 by Alan3354(31518)   on 2012-09-01 13:29:43 (Show Source): You can put this solution on YOUR website! the three sides of a right triangle form three consecutive even numbers. Find the length of the three sides, meansured in inches. how do you solve a problem like this? --------------- solve for x

Age_Word_Problems/644175: A man is 6 times as old as his son. 20 years later, the man will be twice as old as his son. Find the age of the man when his son was born. 1 solutions Answer 404896 by Alan3354(31518)   on 2012-09-01 10:47:07 (Show Source): You can put this solution on YOUR website! A man is 6 times as old as his son. 20 years later, the man will be twice as old as his son. Find the age of the man when his son was born. -------------- m = 6s m+20 = 2*(s+20) ---------------- 6s+20 = 2s + 40 s = 5 m = 30 ------- m - s = 25

Trigonometry-basics/644218: I need help with homework literal equations V=LWH 1 solutions Answer 404895 by Alan3354(31518)   on 2012-09-01 10:38:43 (Show Source): You can put this solution on YOUR website! I need help with homework literal equations V=LWH ------------ Vol = L*W*H So far, so good.

Linear-equations/644216: Find an equation of the line satisfying the given conditions: 1.(a)Through the point (1,-7) and parallel to the x-axis; (b)through the point (2,6)and parallel to the y axis. 1 solutions Answer 404894 by Alan3354(31518)   on 2012-09-01 10:38:03 (Show Source): You can put this solution on YOUR website! Find an equation of the line satisfying the given conditions: 1.(a)Through the point (1,-7) and parallel to the x-axis; --> the y value is constant --> y = -7 ========================= (b)through the point (2,6)and parallel to the y axis. --> the x value is constant

expressions/644192: How do I do this question? "Expand (4a)^2 - (2a)^2 and simplify you answer as far as possible"? 1 solutions Answer 404888 by Alan3354(31518)   on 2012-09-01 09:17:45 (Show Source): You can put this solution on YOUR website! "Expand (4a)^2 - (2a)^2 and simplify you answer as far as possible"? ---------- (4a)^2 - (2a)^2 = 16a^2 - 4a^2 = 12a^2

Mixture_Word_Problems/644183: How many liters of a 20% alcohol solution must be mixed with 30 liters of a 90% solution to get a 80% solution? 1 solutions Answer 404886 by Alan3354(31518)   on 2012-09-01 09:16:02 (Show Source): You can put this solution on YOUR website! How many liters of a 20% alcohol solution must be mixed with 30 liters of a 90% solution to get a 80% solution? ----- 30*90 + x*20 = (x+30)*80

Trigonometry-basics/644186: please solve the equation (x is greater than or equal to 0 and less than or equal to 2pi) cotxcosx=coxs 1 solutions Answer 404885 by Alan3354(31518)   on 2012-09-01 09:14:40 (Show Source): You can put this solution on YOUR website! please solve the equation (x is greater than or equal to 0 and less than or equal to 2pi) cotxcosx=coxs ------------ cot*cos = cos cot = 1 x = pi/4, 5pi/4

Equations/644178: how to find the cube of 3x-1/3y please reply with steps 1 solutions Answer 404884 by Alan3354(31518)   on 2012-09-01 09:10:34 (Show Source): You can put this solution on YOUR website! how to find the cube of 3x-1/3y please reply with steps ------------- a = 3x, b = (-y/3)

Travel_Word_Problems/644193: Solve the problem. Tom Whig traveled 220 miles east of St Louis. For most of the trip he averaged 60 MPH, but for one period of time he was slowed to 10mph due to major accident. If the total time of the travel was 7 hours, how many miles did he drive at the reduced speed? Ans: I know I'm probably wrong but I subtracted 60-10=50mph he drove at reduced speed? 1 solutions Answer 404882 by Alan3354(31518)   on 2012-09-01 09:03:18 (Show Source): You can put this solution on YOUR website! Tom Whig traveled 220 miles east of St Louis. For most of the trip he averaged 60 MPH, but for one period of time he was slowed to 10mph due to major accident. If the total time of the travel was 7 hours, how many miles did he drive at the reduced speed? ----------- Says he drove at 10 mi/hr, not 50. ----------- d = r*t t = time going 60, 7-t = time going 10 mi/hr 220 = 60t + 10(7-t) 220 = 50t + 70 t = 3 hrs @ 60 mi/hr --> 4 hours at 10 mi/hr

Complex_Numbers/644189: Findthe value of ( -6x)3 1 solutions Answer 404881 by Alan3354(31518)   on 2012-09-01 08:57:58 (Show Source): You can put this solution on YOUR website! Findthe value of ( -6x)3 = -18x

test/644145: Can u help me with the solution of -3>-1 how you figured it out? 1 solutions Answer 404873 by Alan3354(31518)   on 2012-09-01 07:37:30 (Show Source): You can put this solution on YOUR website! Can u help me with the solution of -3>-1 ---------- -3 is not greater than -1

Expressions-with-variables/644052: Simplify the expression. 3@RT{3;3}+9@RT{81;3}-@RT{24;3} 1 solutions Answer 404800 by Alan3354(31518)   on 2012-08-31 18:01:45 (Show Source): You can put this solution on YOUR website! Simplify the expression. 3@RT{3;3}+9@RT{81;3}-@RT{24;3} ---------- What does that mean? 3@RT(3;3) ??

Graphs/644066: What is the solution of the system; x+y+15 y=x+3 1 solutions Answer 404797 by Alan3354(31518)   on 2012-08-31 17:56:28 (Show Source): You can put this solution on YOUR website! What is the solution of the system; x+y+15 y=x+3 ----------- x+y+15 No equal sign.

Equations/644017: solve the equation by factoring 12x^2+ 23=10=0 cannot find example in math book on how to approach this problem, thank you in advance. 1 solutions Answer 404770 by Alan3354(31518)   on 2012-08-31 14:20:52 (Show Source): You can put this solution on YOUR website! solve the equation by factoring 12x^2+ 23=10=0 -------- Too many equal signs.

Numbers_Word_Problems/643988: What is the sum of the first 900 consecutive odd numbers? 1 solutions Answer 404750 by Alan3354(31518)   on 2012-08-31 11:28:54 (Show Source): You can put this solution on YOUR website! What is the sum of the first 900 consecutive odd numbers? ----------- that's the odd numbers 1 thru 1799 Add them in pairs. 1 + 1799 = 1800 3 + 1797 = 1800 etc There are 450 pairs, each = 1800 Sum = 450*1800 = 810,000

Complex_Numbers/643996: factor completely. 16-81a^4 1 solutions Answer 404748 by Alan3354(31518)   on 2012-08-31 10:44:20 (Show Source): You can put this solution on YOUR website! factor completely. 16-81a^4 ------------- It's a difference of 2 squares. Start with that.

Inverses/643786: A x+By=C. Can u please show work 1 solutions Answer 404741 by Alan3354(31518)   on 2012-08-31 10:15:22 (Show Source): You can put this solution on YOUR website! A x+By=C. Can u please show work ------------- You didn't say what you want to do.

Exponents/643871: how would i solve (ab)^2 ? examples? 1 solutions Answer 404669 by Alan3354(31518)   on 2012-08-30 21:44:48 (Show Source): You can put this solution on YOUR website! how would i solve (ab)^2 ? examples? ----------------- It's not an equation, so you don't solve it.