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# Recent problems solved by 'solver91311'

solver91311 answered: 17056 problems
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 Equations/722172: Can someone simplify these please?! (1/2k)-(1/3k)+(1/6k) thanks!!!1 solutions Answer 442657 by solver91311(17070)   on 2013-03-05 12:24:17 (Show Source): You can put this solution on YOUR website! Depends on whether you mean: or John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Numbers_Word_Problems/722173: The sum of two numbers is 47. The difference of two numbers is 9. What are the numbers?1 solutions Answer 442656 by solver91311(17070)   on 2013-03-05 12:20:49 (Show Source): You can put this solution on YOUR website! Solve the 2X2 system for John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Pythagorean-theorem/722165: Given information: If x represents an even integer, then x+2 represents the next consecutive even integer. The lengths of the sides of a right triangle are consecutive even integers. Find these lengths. (Hint: Use the Pythagorean theorem.)1 solutions Answer 442655 by solver91311(17070)   on 2013-03-05 12:19:04 (Show Source): You can put this solution on YOUR website! Not enough information to solve this for a specific answer. As stated, any pair of consecutive even numbers satisfies the given conditions. Even if the measure of the hypotenuse were restricted to the rational numbers, there are still infinite solutions to this problem. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Proofs/722156: I need help solving this proof. 1.T = (L > K) 2.~N * K Conclusion: T * = and > = If..Then I can use all 19 rules Thanks!1 solutions Answer 442654 by solver91311(17070)   on 2013-03-05 12:01:55 (Show Source): You can put this solution on YOUR website! You need to use the idea that is true whenever is true. Go look up the truth table for . So from we can infer . Then from we can infer the truth of which is equal to , therefore John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 test/721862: I need to solve the absolute value equation 1. {5x-6}=x 2. {3x-4}=x-81 solutions Answer 442539 by solver91311(17070)   on 2013-03-04 18:12:20 (Show Source): You can put this solution on YOUR website! So OR John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Linear-equations/721855: Water is slowly leaking from a large bottle. The percent y (in decimal form) of water remaining the bottle after x hours is y = -0.02x + 1 a. graph the equation b. interpret the x and y intercepts c. interpret the slope d when will the bottle be one quarter full1 solutions Answer 442535 by solver91311(17070)   on 2013-03-04 18:08:12 (Show Source): You can put this solution on YOUR website! Graph the equation just like graphing any other linear equation in slope-intercept form. The y-coordinate of the y-intercept is the fraction of the bottle still containing water at time 0 (x = 0), that is, when the bottle is full. The x-coordinate of the x-intercept is the time when the bottle has 0% of the water left in it, i.e., when the bottle is empty. The slope is the rate at which the water is leaking from the bottle. Set y = 0.25 and then solve for x. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 testmodule/721839: The sum of three whole numbers between 0 and 10 is 16. The product of the numbers 120. The sum of the two smaller numbers equals the greatest number. What are the the numbers?1 solutions Answer 442532 by solver91311(17070)   on 2013-03-04 17:58:18 (Show Source): You can put this solution on YOUR website! If the product of the three numbers is 120, since 120 ends in 0, one of the three numbers must be either 5 or 10. If one of the numbers is 10, then the product of the other 2 is 12 and they must add up to 10. No such numbers. So one of the numbers has to be 5. Dividing 120 by 5 is 24. The two single digit factors of 24 are either 4 and 6 or 3 and 8. No combination of 4, 5, and 6 exists where the sum of two of the digits is the third. But 3, 5, and 8 work because 3 plus 5 is 8. Recap: 3 + 5 + 8 = 16. 3 * 5 * 8 = 120. and 3 + 5 = 8. All conditions satisfied. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Square-cubic-other-roots/721841: 1.what is the cubed root of 7 divied by the cube root of 3? 2.What is the cube root of 81 divied by the cube root of 3? 3.The cube root of 14 minus the cubet root of 112? 4.The cube root of 14 times the cube root of 13?1 solutions Answer 442527 by solver91311(17070)   on 2013-03-04 17:31:46 (Show Source): You can put this solution on YOUR website! Review the lesson on Rationalizing Denominators: rationalizing denominators John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 expressions/721842: Solve using elimination by addition of the equations: 2m-m-10, m-2n-41 solutions Answer 442526 by solver91311(17070)   on 2013-03-04 17:30:27 (Show Source): You can put this solution on YOUR website! Can't help you. You don't have any equations. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 sets-and-operations/721843: How do i show 45 divided by 2,297 using showing my work1 solutions Answer 442525 by solver91311(17070)   on 2013-03-04 17:29:41 (Show Source): You can put this solution on YOUR website! This is an algebra site. You need an arithmetic site. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Square-cubic-other-roots/721845: in a graphing radical equations problem, how does a negative sign in front of the radical sign affect the answer?1 solutions Answer 442524 by solver91311(17070)   on 2013-03-04 17:28:58 (Show Source): You can put this solution on YOUR website! puts the value of the function below the x-axis. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Permutations/721844: a roller coaster has room for 10 people. the people sit single file, one after the other. how many different arrangements are possible for 10 passangers on the roller coaster1 solutions Answer 442523 by solver91311(17070)   on 2013-03-04 17:28:08 (Show Source): You can put this solution on YOUR website! There are 10 ways to choose the first person, then for each of those 10 ways there are 9 ways to choose the second person -- altogether 90 ways to choose the first two people. Then for each of those 90 ways there are 8 ways to choose the third person. Altogether, for all 10 people: 10!. Use your calculator. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 test/721811: 2x-3y= -6 I do not understand how to get slope or Y-intercept1 solutions Answer 442522 by solver91311(17070)   on 2013-03-04 17:22:00 (Show Source): You can put this solution on YOUR website! Add -2x to both sides. Divide both sides by -3. Then the slope is the coefficient on x and the y-intercept is the point (0,b) where b is the constant term. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 �t�e�s�t/721818: Solve by factoring the using the zero product rule. 1/4x^2-1/9=01 solutions Answer 442521 by solver91311(17070)   on 2013-03-04 16:51:34 (Show Source): You can put this solution on YOUR website! Factor the difference of two squares, note that 1/4 is 1/2 squared and 1/9 is 1/3 squared. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 test/721817: Find the perimeter of each polygon1 solutions Answer 442520 by solver91311(17070)   on 2013-03-04 16:50:32 (Show Source): You can put this solution on YOUR website! For any polygon, the perimeter is the sum of the measures of the sides. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Geometry_Word_Problems/721819: word problem -Charles has a circular carpet in his drawing room he wants to put a table in the middle of the carpet the diameter of carpet is 12 meters, diameter of table is 4 meters, calculate area of carpet is left after putting the table in the place.1 solutions Answer 442519 by solver91311(17070)   on 2013-03-04 16:48:43 (Show Source): You can put this solution on YOUR website! Calculate the area of the carpet. Calculate the area of the table. Subtract the area of the table from the area of the carpet. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Functions/721742: Explain Domain and range of a function. 1 solutions Answer 442518 by solver91311(17070)   on 2013-03-04 16:47:24 (Show Source): You can put this solution on YOUR website! The domain of a function is the set of values for which the function is defined. The range of a function is the set of values that the function can assume for all values in the domain. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Complex_Numbers/721798: (5)/(3-i) PLEASE HELP1 solutions Answer 442510 by solver91311(17070)   on 2013-03-04 16:07:24 (Show Source): You can put this solution on YOUR website! Please help do what? I'm not going to try to guess what you want, so you have to repost with a complete question. By the way, when you do repost, turn off your Caps Lock. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Subset/721796: what is the proper subset of 0,16,19,11 solutions Answer 442509 by solver91311(17070)   on 2013-03-04 16:05:52 (Show Source): You can put this solution on YOUR website! There are subsets of any set with elements, hence there are proper subsets of any set with elements. So for your set with 4 elements there are 15 proper subsets. Bottom line: I can't answer your question because you did not provide enough information. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Permutations/721792: If p, r and s are three different prime numbers greater than 2, and n= p*r*s, how many positive factors, including one and n, does n have?1 solutions Answer 442504 by solver91311(17070)   on 2013-03-04 16:01:44 (Show Source): You can put this solution on YOUR website! For a total of 8 John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Permutations/721731: A stock can go up, go down, or stay unchanged. How many possibilities are there if you own 10 stocks?1 solutions Answer 442489 by solver91311(17070)   on 2013-03-04 15:01:20 (Show Source): You can put this solution on YOUR website! There are 3 ways for the first stock to behave. For each of those ways, there are 3 ways for the second stock to behave, hence there are 9 ways for the first two stocks to behave...times 3, times 3, times 3..., in other words: . Use your calculator. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Rational-functions/721729: The cost for using 20 HCF of water is $33.08, and the cost for using 57 HCF is$83.03. What is teh cost for using 31 HCF of water? ---What is the formula used to find the answer?1 solutions Answer 442480 by solver91311(17070)   on 2013-03-04 13:28:11 (Show Source): You can put this solution on YOUR website! You actually don't provide enough information to answer this question. You need to specifiy that the relationship is linear. However, since you only give two data points, it is reasonable to assume linearity. You are given two points: (20,33.08) and (57,83.03). Use the two-point form of an equation of a straight line to derive an equation of the desired relationship: where and are the coordinates of the given points. Do the arithmetic and simplify. Then substitute 31 for and calculate the value of that results. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Circles/721725: What is the measure of minor arc BE? arc AB = 20 degrees, arc BC = 30 degrees, arc CD = 40 degrees, arc DE, EF = 110 degrees, arc AF = 90 degrees. 1 solutions Answer 442478 by solver91311(17070)   on 2013-03-04 13:19:45 (Show Source): You can put this solution on YOUR website! Doesn't make sense. Your arcs add up to more than 360. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Travel_Word_Problems/721727: Kevin lives 6 1/2 miles from the university. If he walks 1/3 of the way and takes a break, what is the remaining distance to the university? Is it asking me to subtract?1 solutions Answer 442477 by solver91311(17070)   on 2013-03-04 13:15:24 (Show Source): You can put this solution on YOUR website! If he stops after 1/3 of the way, he has 2/3 of the way remaining. Multiply 6.5 times 2, then divide by 3. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Linear-equations/721726: What is 4x+20?1 solutions Answer 442476 by solver91311(17070)   on 2013-03-04 13:12:56 (Show Source): You can put this solution on YOUR website! It is a linear binomial expression. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 logarithm/720409: log7(2-x)=log7(5x) the seven is the base1 solutions Answer 441811 by solver91311(17070)   on 2013-02-28 18:30:04 (Show Source): You can put this solution on YOUR website! If two logs of the same base are equal, then their arguments must be equal. Solve John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Polynomials-and-rational-expressions/720384: There is a circular rug with 2 circles inside it. The radius of the original circle is 1ft the radius of the 2nd circle is 1ft and the last interior circle has a radius of r ft. It says to write a polynomial that represents the total area of the rug. Leave answer in terms of pi. It also says (in the 2nd part) that the diameter of the last interior circle is 7ft. What is the area of the rug again leave your answer in terms of pi. Thanks soo much!!!1 solutions Answer 441808 by solver91311(17070)   on 2013-02-28 18:25:38 (Show Source): You can put this solution on YOUR website! Your description of this rug object makes no sense. Go back and make sure that you have described it correctly and then repost your question John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Linear_Equations_And_Systems_Word_Problems/720374: its costs $120 to manufacture 2 bicycles and$160 to manufacture 4 bicycles. if the number of bicycles is the x- coordinate, and the amount of money is the y- coordinate, draw a graph of the line that would represent the relation between the number of bicycles and the cost to manufacture them assume it is a linear relationship1 solutions Answer 441794 by solver91311(17070)   on 2013-02-28 17:49:27 (Show Source): You can put this solution on YOUR website! On an appropriately scaled coordinate grid, plot the two points and . Extend a line through these two points. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Inequalities/720377: (n+2)/4>-1 is the problem I am having trouble with can you explain please 1 solutions Answer 441791 by solver91311(17070)   on 2013-02-28 17:44:59 (Show Source): You can put this solution on YOUR website! What are the instructions for the problem? What have you already tried? John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Money_Word_Problems/720376: need to the - tax from 78.00 40.50 359.80 153.75 36.00 Ca tax 8.%1 solutions Answer 441790 by solver91311(17070)   on 2013-02-28 17:43:58 (Show Source): You can put this solution on YOUR website! Sorry, I don't understand what you are asking. Please ask your question using standard English. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it
 Linear-equations/720368: Graph the solution of the following inequality: 3x-y<6 Thanks 1 solutions Answer 441789 by solver91311(17070)   on 2013-02-28 17:42:10 (Show Source): You can put this solution on YOUR website! 1. Graph the line . Use a dashed line because the original inequality is strictly less than. 2. Select any point on the plane that is NOT on the boundary line you just drew. Any time the line does not go through the origin (i.e. ), as in this case, the origin is an outstanding choice for this step. 3. Replace the variables in the original inequality with the coefficients of the point you selected in step 2. 4. If the result of step 3 is a true statement, shade in the half-plane on the side of the boundary line that CONTAINS the point selected in step 2. Otherwise, shade in the opposite side of the boundary line. John Egw to Beta kai to Sigma My calculator said it, I believe it, that settles it