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Recent problems solved by 'lynnlo'

lynnlo answered: 4154 problems
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Polygons/740778: I have no clue as to how to answer this question! please help! If the sum of the measures of the interior angles of a convex n-gon is equal to the sum of the measures of the exterior angles, how many sides does the n-gon have? 1 solutions Answer 451747 by lynnlo(4155)   on 2013-04-23 11:51:20 (Show Source): You can put this solution on YOUR website!

Miscellaneous_Word_Problems/740780: A rectangular picture is 6 cm longer than it is wide. A wide frame 1 cm wide is placed around the picture. The AREA covered by the picture and frame together is 48 square centimeters greater than the area of the picture alone. Find the dimensions of the PICTURE. 1 solutions Answer 451746 by lynnlo(4155)   on 2013-04-23 11:50:52 (Show Source): You can put this solution on YOUR website!

expressions/740782: Nine years more than twice Bob's age is 5 years more than three times Harry's age. Find their ages. 1 solutions Answer 451745 by lynnlo(4155)   on 2013-04-23 11:50:19 (Show Source): You can put this solution on YOUR website!

Circles/740785: please help find X http://screencast.com/t/YUwLICxkhP9l 1 solutions Answer 451744 by lynnlo(4155)   on 2013-04-23 11:49:52 (Show Source): You can put this solution on YOUR website!

Polygons/740789: a = 33, b = 11, c = 1 solutions Answer 451743 by lynnlo(4155)   on 2013-04-23 11:49:24 (Show Source): You can put this solution on YOUR website! 22

Geometry_Word_Problems/740788: a = 42, b = 14, c = 1 solutions Answer 451742 by lynnlo(4155)   on 2013-04-23 11:48:42 (Show Source): You can put this solution on YOUR website! 28

Probability-and-statistics/740786: in exponential distribution variance=(beta)^2 if we are asked find method of moment estimate of variance? 2 methods i tried 1 is giving wrong answer and other correct variance=(beta)^2 thus estimator of variance=(beta hat)^2.this gives wrong answer but estimator of variance =M2-(M1)^2 gives correct answer i want to ask what is wrong in first method? 1 solutions Answer 451741 by lynnlo(4155)   on 2013-04-23 11:47:47 (Show Source): You can put this solution on YOUR website!

Linear-systems/740874: ``Yor are in charge of event planning for a major corporation that is having a martini coctail hour fot its guest. Your boss has given you a budget of $1,000 and you would like to order Grey Goose vodka for the VIP'S and Skyy vodka for the other guest. A bottle of Grey Goose vodka cost $ 36 and a bottle of Skyy vodka cost $ 20. You must have 37 bottles total. How many of each type should you buy? 1 solutions Answer 451740 by lynnlo(4155)   on 2013-04-23 11:40:05 (Show Source): You can put this solution on YOUR website!

Miscellaneous_Word_Problems/740877: in a confectionary shop,shopkeeper got a piece of iron of 40kg. he want to mould that piece of iron into different kg. he can divide that iron into four parts considering all his shop articles could be weighed 1 solutions Answer 451739 by lynnlo(4155)   on 2013-04-23 11:39:42 (Show Source): You can put this solution on YOUR website!

Proofs/740875: For r≠1, use mathematical induction to prove that s_n=∑_(k=0)^n▒〖ar^k 〗=(a(1-r^(n+1)))/(1-r) 1 solutions Answer 451738 by lynnlo(4155)   on 2013-04-23 11:39:18 (Show Source): You can put this solution on YOUR website!

Inequalities/740876: Prove that 〖 lim┬(x→-4) 〗⁡〖x^2=16 .〗 1 solutions Answer 451737 by lynnlo(4155)   on 2013-04-23 11:38:57 (Show Source): You can put this solution on YOUR website!

Quadratic-relations-and-conic-sections/740872: Find the vertex and y-intercept of the parabola with the following equation y^2 + 8x - 4y = 28 1 solutions Answer 451736 by lynnlo(4155)   on 2013-04-23 11:38:29 (Show Source): You can put this solution on YOUR website! vertex==============================(4,2) y-intercept=============(0,-7)

Functions/740857: what is the domain range and vertex of y = 2x^2-4+1 1 solutions Answer 451735 by lynnlo(4155)   on 2013-04-23 11:29:00 (Show Source): You can put this solution on YOUR website! domain==================================all real numbers range===============all real numbers vertex====(0,-3)

Permutations/740784: Out of 8 women and 7 men a committee of 3 women and 4 men is to be formed. Mrs. X should always present in that community in which Mr. Y is a member. The number of such commities are 1 solutions Answer 451734 by lynnlo(4155)   on 2013-04-23 11:19:05 (Show Source): You can put this solution on YOUR website!

test/740864: Factor 2v^2+11v+5 1 solutions Answer 451733 by lynnlo(4155)   on 2013-04-23 11:17:34 (Show Source): You can put this solution on YOUR website! (v+5)(2v+1)

Percentage-and-ratio-word-problems/740853: if 40% =180, what is 60% 1 solutions Answer 451730 by lynnlo(4155)   on 2013-04-23 10:58:31 (Show Source): You can put this solution on YOUR website! 6o% of what

Quadratic-relations-and-conic-sections/740852: What is the center and radius of the circle x^2+y^2-8x-10y+32=0 ? 1 solutions Answer 451729 by lynnlo(4155)   on 2013-04-23 10:50:27 (Show Source): You can put this solution on YOUR website! center================================(4,5) radius===square sign 19~4.3589

Quadratic-relations-and-conic-sections/740845: What is the focus, directrix, and axis for the parabola y^2=40x ? 1 solutions Answer 451728 by lynnlo(4155)   on 2013-04-23 10:43:31 (Show Source): You can put this solution on YOUR website! foci==============================(10,0) directrix===================x=-10 axis=============10

Complex_Numbers/740834: Write the expression (3 − 9i) + (4 + 5i) as a complex number in standard form. 1 solutions Answer 451726 by lynnlo(4155)   on 2013-04-23 10:37:26 (Show Source): You can put this solution on YOUR website! (3-9i)+(4+5i) 3+4============7 9i-5i==========4i =====7-4i

test/740625: Anyone willing to help me? Solve for y. Shoe algebraic steps and check your answer. 1-2y = 6y-11 1 solutions Answer 451644 by lynnlo(4155)   on 2013-04-22 18:57:59 (Show Source): You can put this solution on YOUR website! 1-2Y=6Y-11 1+-2Y=-11+6Y 1+-2Y+-6=-11+6Y+-6Y 1+-8Y=-11+6Y+-6Y 1+-8Y=-11+0 1+-8Y=-11 1+-1+-8Y=11+-1 0+-8Y=-11+-1 -8Y=-11+-1 Y=1.5

Linear_Equations_And_Systems_Word_Problems/740606: A theater will sell 500 tickets to a play. Adult tickets cost $10 per ticket and children tickets cost $7 per ticket. If they sold $3,860 in tickets, what system of equation will that represent. 1 solutions Answer 451641 by lynnlo(4155)   on 2013-04-22 18:45:30 (Show Source): You can put this solution on YOUR website!

Word_Problems_With_Coins/740608: Diane has $1.35 in dimes and nickels. She has a total of 15 coins. How many of each kind does she have? 1 solutions Answer 451640 by lynnlo(4155)   on 2013-04-22 18:44:24 (Show Source): You can put this solution on YOUR website! TOTAL=================================$1.35 NICKELS======(3)==========.15 DIMES===(12)=====$1.20 ========================== .15+$1.20=========$1.35

Geometry_Word_Problems/740613: A model rocket is launched with an initial velocity of 64 feet per second from a height of 80 feet. Determine the time at which the rocket reaches its max height? Find the maximum height. After how many seconds does the rocket strike the ground? 1 solutions Answer 451637 by lynnlo(4155)   on 2013-04-22 18:34:28 (Show Source): You can put this solution on YOUR website!

Geometry_Word_Problems/740620: There's two squares. Ones bigger than the other. The area of the bigger square is twice the area of the smaller. The total perimeter of the squares together is 16 inches. What's the side lengths of the larger square? 1 solutions Answer 451635 by lynnlo(4155)   on 2013-04-22 18:33:19 (Show Source): You can put this solution on YOUR website!

Linear-equations/740597: 2x+y=5 1 solutions Answer 451631 by lynnlo(4155)   on 2013-04-22 17:46:23 (Show Source): You can put this solution on YOUR website! x=2

Inequalities/740594: -b + 7 < 6 7 1 solutions Answer 451630 by lynnlo(4155)   on 2013-04-22 17:38:44 (Show Source): You can put this solution on YOUR website! -b+7<6 7 what kind of problem is this,where does that 7 belongs

Geometry_proofs/740596: Please help me. This is from my geometry textbook ; http://ryecityschools.rms.schoolfusion.us/modules/groups/homepagefiles/cms/496886/File/Departments/McDonnell/AMSCOGeometry.pdf?sessionid=f751322a1bdd190552ac4e89 Page 392 number 3 In 3–10, the diagonals of rectangle ABCD intersect at E. 3. Prove that ABE is isosceles 1 solutions Answer 451629 by lynnlo(4155)   on 2013-04-22 17:36:59 (Show Source): You can put this solution on YOUR website!

logarithm/740565: SQUARE ROOT OF 3 = 81* 1 solutions Answer 451628 by lynnlo(4155)   on 2013-04-22 17:36:33 (Show Source): You can put this solution on YOUR website! why do you have * behind the 81

Sequences-and-series/740508: Determine the common ratio of a geometric series that has these partial sums: S4= -3.5, S5= -3.75, S6= -3.875. I am having a lot of problems trying to find the common ratio. This is a multiple question and none of the answers fit. 1 solutions Answer 451625 by lynnlo(4155)   on 2013-04-22 16:51:32 (Show Source): You can put this solution on YOUR website! ==========0.5

Quadratic-relations-and-conic-sections/740503: y=x^2-8x+13 Write in standard form 1 solutions Answer 451605 by lynnlo(4155)   on 2013-04-22 15:11:37 (Show Source): You can put this solution on YOUR website! answered already

Money_Word_Problems/740498: 3. Lap Dogs Inc. is planning for next year and has the following summarized results so far ($000): Income Statement EBIT 236 Interest ? EBT ? Income tax ? EAT ? Balance Sheet This year Next Year Assets 582 745 Current liabilities 63 80 Debt 275 ? Equity 244 ? Total liab & equity 582 745 The Firm pays interest of 12% on all borrowing and is subject to an overall tax rate of 38%. It paid interest of $20,000 this year and plans a $75,000 dividend next year. Complete Lap Dog’s forecast of next year’s financial statements. Round all calculations to the nearest $1,000. 1 solutions Answer 451599 by lynnlo(4155)   on 2013-04-22 14:51:59 (Show Source): You can put this solution on YOUR website!