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Recent problems solved by 'Alan3354'

Alan3354 answered: 30973 problems
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Angles/699246: angle A is eight times larger than its supplement angle B . Find the measure of each angle 1 solutions Answer 431280 by Alan3354(30993)   on 2013-01-07 15:45:07 (Show Source): You can put this solution on YOUR website! angle A is eight times larger than its supplement angle B . Find the measure of each angle ------------------- A = 9B A + B = 180 9B + B = 180 B = 18 degs A = 162 degs

Human-and-algebraic-language/699244: Triple a number, minus one is fifty. Triple the difference of a number and one is fifty. (I need the number form of those equations AND i need to know the difference between the equations and EXPLAIN. Thank you, zoe 1 solutions Answer 431279 by Alan3354(30993)   on 2013-01-07 15:43:39 (Show Source): You can put this solution on YOUR website! Triple a number, minus one is fifty. n = a number 3n - 1 = 50 3n = 51 n = 17 ------------------------ Triple the difference of a number and one is fifty. 3*(n - 1) = 50 n-1 = 50/3 n = 53/3 -------- Or 3*(1 -n) = 50, both 1-n and n-1 fit. 3*|n - 1| = 50 where |...| is absolute value

Angles/699241: if an angle is 34 longer than its complement what is the measure of the smaller angle 1 solutions Answer 431277 by Alan3354(30993)   on 2013-01-07 15:38:00 (Show Source): You can put this solution on YOUR website! Angles are not longer or shorter. ------------------- don't take up so much space.

Trigonometry-basics/699222: Please help me solve this equation; I have to find the exact value of cos(13pi/12) I have simplified it to cos (3pi/12+ 9pi/12) = cos(pi/4+3pi/4) But then I get stuck and don't know what to do from there. 1 solutions Answer 431274 by Alan3354(30993)   on 2013-01-07 15:32:38 (Show Source): You can put this solution on YOUR website! Please help me solve this equation; **** Not an equation, no equal sign. I have to find the exact value of cos(13pi/12) I have simplified it to cos (3pi/12+ 9pi/12) = cos(pi/4+3pi/4)***** -------------------------------------- = (4pi/12+ 9pi/12) = cos(pi/3+3pi/4) --------------------- Use cos(A+B) = cos(A)cos(B) - sin(A)sin(B) = cos(pi/3)*cos(3pi/4) - sin(pi/3)*sin(3pi/4) = (1/2)*(-sqrt(2)/2) - sqrt(3)/2)*(sqrt(2)/2) = -sqrt(2)/4 - sqrt(6)/4

Radicals/698993: whats x^2=18 1 solutions Answer 431152 by Alan3354(30993)   on 2013-01-06 20:47:42 (Show Source): You can put this solution on YOUR website! whats x^2=18 --------- It's an equation.

Coordinate-system/698977: what is y=2x+2 on a graph 1 solutions Answer 431149 by Alan3354(30993)   on 2013-01-06 20:31:43 (Show Source): You can put this solution on YOUR website! what is y=2x+2 on a graph ------- It's a straight line.

Polynomials-and-rational-expressions/698950: How do you solve rational equations? 1 solutions Answer 431126 by Alan3354(30993)   on 2013-01-06 19:08:44 (Show Source): You can put this solution on YOUR website! How do you solve rational equations? ------- I solve them very well. Thx for asking.

Polynomials-and-rational-expressions/698934: Alan, this problem only tells me to solve each equation? 1/a-7=3 When I look this problem up in my math book the answer is: a=22/3 I don't know how to solve for this equation? 1 solutions Answer 431121 by Alan3354(30993)   on 2013-01-06 18:39:58 (Show Source): You can put this solution on YOUR website! Alan, this problem only tells me to solve each equation? 1/a-7=3 When I look this problem up in my math book the answer is: a=22/3 I don't know how to solve for this equation? ---------------------- this problem only tells me to solve each equation? 1/a-7=3 --------- It should say, "Solve for a." Not just solve. ---------- 1/a-7=3 ----------- Add 7 1/a = 10 Invert a = 1/10 ====================== If the problem is 1/(a-7) = 3 Invert a-7 = 1/3 Add 7 a = 7 + 1/3 a = 22/3 -------------------------- It's your responsibility to state the problem unambiguously. Parentheses are free, use them.

Triangles/698938: 3/2=1/3m+2/3 1 solutions Answer 431118 by Alan3354(30993)   on 2013-01-06 17:45:42 (Show Source): You can put this solution on YOUR website! 2x * x = 8/3x * x --------------- Do you have a question?

Numeric_Fractions/698937: how do I solve this problem? 3/2=1/3m+2/3 1 solutions Answer 431117 by Alan3354(30993)   on 2013-01-06 17:44:42 (Show Source): You can put this solution on YOUR website! how do I solve this problem? 3/2=1/3m+2/3 ----------- Solve for what? ---- 3/2=1/3m+2/3 is not a problem, it's an equation.

Exponents/698935: What is the answer to x^-11x+24=0 1 solutions Answer 431116 by Alan3354(30993)   on 2013-01-06 17:43:30 (Show Source): You can put this solution on YOUR website! What is the answer to x^-11x+24=0 ----------------- What is the exponent of x? -11x + 24? --------------- And, what is the question?

logarithm/698924: How do I solve the following problem for X? Please exact or round to hundredths. 2 ln(x+3)=8 1 solutions Answer 431115 by Alan3354(30993)   on 2013-01-06 17:26:00 (Show Source): You can put this solution on YOUR website! How do I solve the following problem for X? Please exact or round to hundredths. 2 ln(x+3)=8 ------------ ln(x+3) = 4 x+3 = e^4 x = e^4 - 3 ------------ x = ~51.60

Polynomials-and-rational-expressions/698926: please help me to solve this equation: 1/a-7=3 Thank you so very much 1 solutions Answer 431113 by Alan3354(30993)   on 2013-01-06 17:23:15 (Show Source): You can put this solution on YOUR website! please help me to solve this equation: 1/a-7=3 ----------- Solve for what?

test/698928: 1 solutions Answer 431112 by Alan3354(30993)   on 2013-01-06 17:22:23 (Show Source): You can put this solution on YOUR website! I'm gonna guess it's CATTLE.

Quadratic_Equations/698887: A rectangular dog pen is to be fenced with 28 m of fencing. What is the maximum area and the width of this rectangle? 1 solutions Answer 431111 by Alan3354(30993)   on 2013-01-06 17:07:04 (Show Source): You can put this solution on YOUR website! A rectangular dog pen is to be fenced with 28 m of fencing. What is the maximum area and the width of this rectangle? ---------------- 7 by 7 = 49 sq meters

test/698917: How can u find the number of sides in an equiangular polygon by measuring one of its interior angle 1 solutions Answer 431110 by Alan3354(30993)   on 2013-01-06 17:05:21 (Show Source): You can put this solution on YOUR website! How can u find the number of sides in an equiangular polygon by measuring one of its interior angle ---------------------------- The easiest way is to know that each Exterior angle = 360/# of sides. Exterior angel = 180 - Interior angle.

Points-lines-and-rays/698900: Which point lies the farthest from the origin? A) (0,-7) B) (-3,8) C) (-4, -3) D) (5,1) I have plotted the points but I need to show my work on my packet and I don't know any other way other than to plot the points. 1 solutions Answer 431108 by Alan3354(30993)   on 2013-01-06 16:55:26 (Show Source): You can put this solution on YOUR website! Which point lies the farthest from the origin? A) (0,-7) B) (-3,8) C) (-4, -3) D) (5,1) I have plotted the points but I need to show my work on my packet and I don't know any other way other than to plot the points. ------------------ The Origin is point (0,0) The distance from it is d = Find which is the largest. ---------------

Linear_Equations_And_Systems_Word_Problems/698907: gragh that shows speed increasing and decreases over next two hours 1 solutions Answer 431107 by Alan3354(30993)   on 2013-01-06 16:50:43 (Show Source): You can put this solution on YOUR website! gragh that shows speed increasing and decreases over next two hours ------------- And? What graph? Do you have a question?

Polynomials-and-rational-expressions/698909: SOLVING RATIONAL EQUATIONS AND INEQUALITIES: 1 ________ = 3 a-7 please show me how to work out this problem and solve it to get the answer. Thank you so much. 1 solutions Answer 431106 by Alan3354(30993)   on 2013-01-06 16:49:34 (Show Source): You can put this solution on YOUR website! SOLVING RATIONAL EQUATIONS AND INEQUALITIES: 1 ________ = 3 a-7 please show me how to work out this problem and solve it to get the answer. Thank you so much. ------------------- Step 1, say what you want to do.

Exponents/698906: log8^x/2=log8^x/log8^2 1 solutions Answer 431104 by Alan3354(30993)   on 2013-01-06 16:42:51 (Show Source): You can put this solution on YOUR website! log8^x/2=log8^x/log8^2 --------- Do you have a question?

Points-lines-and-rays/698905: What is the length of the segment with endpoints A(1,7) and B(-3,-1)? 1 solutions Answer 431103 by Alan3354(30993)   on 2013-01-06 16:36:59 (Show Source): You can put this solution on YOUR website! What is the length of the segment with endpoints A(1,7) and B(-3,-1)? ------------

Linear-systems/698901: Solve by substitution: x=4y-9 x=y+3 1 solutions Answer 431102 by Alan3354(30993)   on 2013-01-06 16:35:57 (Show Source): You can put this solution on YOUR website! Solve by substitution: x=4y-9 x=y+3 ------------- Both sides = x, so they equal each other. 4y-9 = y+3

test/698884: I have total of 100 feet in the,how many is chicken(y=2) and beef(x=4) 1 solutions Answer 431100 by Alan3354(30993)   on 2013-01-06 16:12:04 (Show Source): You can put this solution on YOUR website! I have total of 100 feet in the,how many is chicken(y=2) and beef(x=4) ---------- I don't know.

Quadratic-relations-and-conic-sections/698889: How to factor x^2-9y^2=1 and how to factor 9x^2-4y^2=36 1 solutions Answer 431099 by Alan3354(30993)   on 2013-01-06 16:09:32 (Show Source): You can put this solution on YOUR website! How to factor x^2-9y^2=1 and how to factor 9x^2-4y^2=36 ---------------- Equations are not factored, they're to be solved. Polynomials are factored.

Systems-of-equations/698895: x+3y=4 -x+2y=-4 SOLVING SYSTEMS USING ELIMINIATION 1 solutions Answer 431098 by Alan3354(30993)   on 2013-01-06 16:08:14 (Show Source): You can put this solution on YOUR website! x+3y=4 -x+2y=-4 SOLVING SYSTEMS USING ELIMINIATION [sic] ----------------- x+3y=4 -x+2y=-4 -------------- Add

Exponents/698897: I can not remember how to do this. (5^11/4)^2/5 1 solutions Answer 431096 by Alan3354(30993)   on 2013-01-06 16:02:52 (Show Source): You can put this solution on YOUR website! I can not remember how to do this. (5^11/4)^2/5 ----------------- What is the exponent of 5? Is the external exponent 2? or 2/5?

Probability-and-statistics/698896: HOW WOULD I FIND OUT THE STRATEGY TO THE MATH PROBLEM? WHAT IS THE AVERAGE OF 8,7,7,5,3,2,AND 2? 1 solutions Answer 431095 by Alan3354(30993)   on 2013-01-06 16:02:00 (Show Source): You can put this solution on YOUR website! HOW WOULD I FIND OUT THE STRATEGY TO THE MATH PROBLEM? WHAT IS THE AVERAGE OF 8,7,7,5,3,2,AND 2? --------------------- You might google "averages," or use any search engine. Or you could ask on this site.

Systems-of-equations/698894: can you help me with this problem? i am solving using the substitution method y=3x+1 y=5x-3 1 solutions Answer 431093 by Alan3354(30993)   on 2013-01-06 15:58:39 (Show Source): You can put this solution on YOUR website! can you help me with this problem? i am solving using the substitution method y=3x+1 y=5x-3 ----------- y=3x+1 y=5x-3 ------------ If both RHS (Right Hand Sides) equal y, they equal each other.

test/698872: I'm having trouble figuring out how to simplify 3square root -250x^6y^5 1 solutions Answer 431091 by Alan3354(30993)   on 2013-01-06 15:41:27 (Show Source): You can put this solution on YOUR website! I'm having trouble figuring out how to simplify 3square root -250x^6y^5 ----------- What sort of trouble?

Expressions-with-variables/698881: Please help solve [7+x]=-9 1 solutions Answer 431090 by Alan3354(30993)   on 2013-01-06 15:39:58 (Show Source): You can put this solution on YOUR website! Please help solve [7+x]=-9 ------------ Solve for what? What do the brackets mean?

Equations/698882: Please solve ax-5=b for a 1 solutions Answer 431088 by Alan3354(30993)   on 2013-01-06 15:39:14 (Show Source): You can put this solution on YOUR website! Please solve ax-5=b for a ---------- Add 5 Divide by x