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Recent problems solved by 'Alan3354'

Alan3354 answered: 30973 problems
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Volume/463346: How many cubic feet are in a cylinder that has a diameter of 8 feet and a height of 12 feet? 1 solutions Answer 317494 by Alan3354(30993)   on 2011-06-21 22:17:50 (Show Source): You can put this solution on YOUR website! radius = 4 ft cf Vol =~ 603 cubic ft

Quadratic_Equations/463353: How can you solve a quadratic equation when only the solution is given? 1 solutions Answer 317493 by Alan3354(30993)   on 2011-06-21 22:16:01 (Show Source): You can put this solution on YOUR website! Solve for what? If you have the solution, what do you solve for?

Exponents-negative-and-fractional/463345: 2^(5/2)-2^(3/2)= I would really appreciate someone's help. I need to know how to find the answer too. 1 solutions Answer 317478 by Alan3354(30993)   on 2011-06-21 21:16:45 (Show Source): You can put this solution on YOUR website! 2^(5/2)-2^(3/2) = = = = =

Quadratic_Equations/463331: 9x^2=2x-5 My answer is x=4/3 Is this the correct answer? 1 solutions Answer 317464 by Alan3354(30993)   on 2011-06-21 20:39:38 (Show Source): You can put this solution on YOUR website! 9x^2=2x-5 My answer is x=4/3 Is this the correct answer? ---------- Sub 4/3 for x and see. ------- 9*(4/3)^2 =? 2(4/3) - 5 9*16/9 =? 8/3 - 5 16 =? -7/3 I think not. How did you get 4/3?

Probability-and-statistics/463333: Suppose you roll a number cube 30 times. Wite a fraction to describe the theoretical probability of rolling 1 1 solutions Answer 317463 by Alan3354(30993)   on 2011-06-21 20:37:33 (Show Source): You can put this solution on YOUR website! 1 what? How many numbers are on the cube?

Average/463327: If i Have a 75.11% in the class and my final is worth 15% of my grade. what is the lowest score i need to get to get a B in the class? 1 solutions Answer 317460 by Alan3354(30993)   on 2011-06-21 20:33:35 (Show Source): You can put this solution on YOUR website! You didn't say what % is needed for a B.

Square-cubic-other-roots/463328: Please help me solve this problem, 3square root of 1/8 1 solutions Answer 317457 by Alan3354(30993)   on 2011-06-21 20:32:19 (Show Source): You can put this solution on YOUR website! Do you mean 3 times the sqrt(1/8) ? ----------- PS There's nothing to solve for, no variable.

Bodies-in-space/463246: how many gallons can i fit in a clinder 44"radius by 6 feet long? 1 solutions Answer 317452 by Alan3354(30993)   on 2011-06-21 20:25:23 (Show Source): You can put this solution on YOUR website! 6 ft = 72 inches cubic inches Vol = 139392*pi cubic inches 1 gallon = 231 cubic inches Vol = 139392*pi/231 gallons =~ 1895.7 gallons

Trigonometry-basics/463254: Consider an angle that measures 5 pi over radians sketch the angle in standard position 1 solutions Answer 317448 by Alan3354(30993)   on 2011-06-21 20:22:17 (Show Source): You can put this solution on YOUR website! 5 pi over what?

Numbers_Word_Problems/463297: three times a number is 17 more than twice the number. find the number 1 solutions Answer 317447 by Alan3354(30993)   on 2011-06-21 20:21:34 (Show Source): You can put this solution on YOUR website! 17

Angles/463322: find the measure of angle 8. measure of angle 7=2x +15 measure of angle 8=3x ? 1 solutions Answer 317446 by Alan3354(30993)   on 2011-06-21 20:20:39 (Show Source): You can put this solution on YOUR website! Duplicate, but still not enough info.

Angles/463324: Find the measure of Angle 8. measure of angle 7 = 2x+15 measure of angle 8 = 3x 1 solutions Answer 317444 by Alan3354(30993)   on 2011-06-21 20:19:49 (Show Source): You can put this solution on YOUR website! Not enough info.

Angles/463326: Question: A triangle has a 12 degree angle and a 73 degree angle, find the measure of the third angle I get 85? Not sure though, appreciate any help in advance. 1 solutions Answer 317442 by Alan3354(30993)   on 2011-06-21 20:19:03 (Show Source): You can put this solution on YOUR website! 12 + 73 = 85 for the 2 angles The total of the angles of all triangles is 180 degs 180 - 85 = 95 degs, the 3rd angle.

Triangles/463288: Given triangle ABC and side a = 20; side b = 21. Find the measurement of angle A if angle B is a right angle. I need the answer and steps to this problem so I can use it to answer the rest of them. Thank you. 1 solutions Answer 317424 by Alan3354(30993)   on 2011-06-21 18:13:23 (Show Source): You can put this solution on YOUR website! sin(A) = 20/21 A =~ 72.25 degrees

Pythagorean-theorem/463286: If the legs of an isosceles triangle are 8in. long, what is the hypotenuse? 1 solutions Answer 317423 by Alan3354(30993)   on 2011-06-21 18:10:57 (Show Source): You can put this solution on YOUR website! Assuming it's a right triangle:

Systems-of-equations/460751: how can i solve systems of equations by substitutions 1 solutions Answer 316046 by Alan3354(30993)   on 2011-06-13 21:36:18 (Show Source): You can put this solution on YOUR website! By substituting to eliminate variables.

Expressions-with-variables/460713: How do you solve to find the variable in this problem? 3/a+1=5/a+7 1 solutions Answer 316024 by Alan3354(30993)   on 2011-06-13 20:08:27 (Show Source): You can put this solution on YOUR website! Is it (3/a) + 1 = (5/a) + 7 ?? or 3/(a+1) = 5/(a+7) ?? or something else? ------------------- Making the problem clear and unambiguous is your responsibility. You expect help at no charge, but you don't take the time to make the problem clear. ---------- PS Do not bother saying that's how it is in your book or on your homework.

Numbers_Word_Problems/460720: the product of 2 numbers is 21, and their difference is 4. what are the 2 numbers? 1 solutions Answer 316022 by Alan3354(30993)   on 2011-06-13 20:05:57 (Show Source): You can put this solution on YOUR website! 3 & 7

Exponents-negative-and-fractional/460712: (a2)4 1 solutions Answer 316021 by Alan3354(30993)   on 2011-06-13 20:05:29 (Show Source): You can put this solution on YOUR website! Do you have a question? -------- Is a2 the variable? Or do you mean a squared? Use a^2 for a squared.

Graphs/460659: what are the plotting points I need to graph with problem y=1/5x-7 1 solutions Answer 316018 by Alan3354(30993)   on 2011-06-13 19:48:38 (Show Source): You can put this solution on YOUR website! If it's (1/5)x and not 1/(5x) or 1/(5x+7), then it's a straight line. You need 2 points for a straight line. Any 2

Permutations/460615: How many hands without queens are possible? 1 solutions Answer 316017 by Alan3354(30993)   on 2011-06-13 19:46:21 (Show Source): You can put this solution on YOUR website! 2 times all the males ??

absolute-value/460648: /-2=3/ 1 solutions Answer 316016 by Alan3354(30993)   on 2011-06-13 19:45:29 (Show Source): You can put this solution on YOUR website! That makes no sense.

test/460695: V-10=7 1 solutions Answer 316015 by Alan3354(30993)   on 2011-06-13 19:44:23 (Show Source): You can put this solution on YOUR website! Do you have a question?

Square-cubic-other-roots/460703: (Rad(x+9))-3/x 1 solutions Answer 316014 by Alan3354(30993)   on 2011-06-13 19:43:37 (Show Source): You can put this solution on YOUR website! Do you have a question?

Quadratic_Equations/460706: What is the answer to this quadratic equation.... f(z)= zpower3 + (2+2i)zpower2 + (2i+4)z 1 solutions Answer 316012 by Alan3354(30993)   on 2011-06-13 19:42:25 (Show Source): You can put this solution on YOUR website! It depends on the question.

Polynomials-and-rational-expressions/460698: please factor this with an answer of two binomials. It is a perfect square trinomial. Thanks x^2-2/5x+1/25 1 solutions Answer 316006 by Alan3354(30993)   on 2011-06-13 19:16:23 (Show Source): You can put this solution on YOUR website! If you know it's a perfect square, then it's the sqr roots of the end terms.

Age_Word_Problems/460688: The ratio of detectives to patrol officers is 2:9 The police force has 187 detectives and patrolemen, how many detectives 1 solutions Answer 315997 by Alan3354(30993)   on 2011-06-13 18:42:31 (Show Source): You can put this solution on YOUR website! 2+9 = 11 187/11 = 17 --> 34 D's and 153 P's

Graphs/460670: d. Imagine you want to add a sprinkler system and the location of one section of the sprinkler line can be described by the equation y = -1/2 x -4 Complete the table for this equation. x y (x,y) -6 -1 -2 -3 0 -4 2 -5 8 -8 If you can please help me with(x,y) I am confused 1 solutions Answer 315986 by Alan3354(30993)   on 2011-06-13 17:58:37 (Show Source): You can put this solution on YOUR website! The table is complete. There's nothing else to do ???

Graphs/460629: use the intercepts to graph the equation x+3y=6 1 solutions Answer 315956 by Alan3354(30993)   on 2011-06-13 16:24:25 (Show Source): You can put this solution on YOUR website! x = 0 at the y-int --> y=2 y = 0 at the x-int --> x=6 -------------- Plot the 2 points, (0,2) and (6,0) Draw a line thru them.

Evaluation_Word_Problems/460594: I am re-submitting this question, I sent it in this morning and got no response, please help!! The question was: A physician advised her patient to take 0.475 mg tablets of a medicine each night for 13 night. Determine the amount of the medication the patient ingested during that time in milligrams and in micrograms The patient ingested__mg of medicine The patient ingested__mcg of medicine Thank you Type an integer or a decimal. 1 solutions Answer 315954 by Alan3354(30993)   on 2011-06-13 16:21:45 (Show Source): You can put this solution on YOUR website! A physician advised her patient to take 0.475 mg tablets of a medicine each night for 13 night. Determine the amount of the medication the patient ingested during that time in milligrams and in micrograms ----------------- 0.475 mg/night * 13 nights = 6.175 milligrams = 6175 ugrams

Volume/460637: I am trying to get the cubic weight of a hollow cylinder. I used the formula for volume of a hollow cylinder {(sqrt/4)x h x (OD^2-ID^2)}. Since I have the weight per linear foot, do I divide the weight per linear foot by the cubic volume to get cubic weight? 1 solutions Answer 315949 by Alan3354(30993)   on 2011-06-13 16:12:33 (Show Source): You can put this solution on YOUR website! I am trying to get the cubic weight of a hollow cylinder. I used the formula for volume of a hollow cylinder {(sqrt/4)x h x (OD^2-ID^2)}. Since I have the weight per linear foot, do I divide the weight per linear foot by the cubic volume to get cubic weight? -------------- If you have the weight per foot, multiply that by the # of feet in the length. pounds/foot x feet = pounds ---------- PS There is no such thing as "cubic weight", it's just weight. Same for volume, it's not cubic volume. The volume can be in units of cubic feet, cubic meters, cubic yards, etc, but it's just volume. -------------- The volume of a hollow cylinder, such as the wall of a pipe, is