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# Recent problems solved by 'Alan3354'

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 Unit_Conversion_Word_Problems/334432: Im have a dilution problem. I need to convert from 10 micrograms/mL to 1000ppb in a 100mL beaker. any help would be greatly appreciated. thank you. 1 solutions Answer 239645 by Alan3354(31538)   on 2010-08-24 10:54:24 (Show Source): You can put this solution on YOUR website!What's the density of the 10 mcg/ml material?
 Reduction-of-unit-multipliers/334466: Question on pre algebra homework: Find 12 degrees 1 solutions Answer 239642 by Alan3354(31538)   on 2010-08-24 10:52:53 (Show Source): You can put this solution on YOUR website!what?
 Divisibility_and_Prime_Numbers/334408: what is the smallest number by with each of the following numbers must be divided to obtain a perfect cube.81,128,135,192,7041 solutions Answer 239606 by Alan3354(31538)   on 2010-08-24 07:38:26 (Show Source): You can put this solution on YOUR website!3,2,5,3,11
 Sequences-and-series/334426: Can you show me how to write in decimal notation 2.34 x 10^6 Thank you1 solutions Answer 239605 by Alan3354(31538)   on 2010-08-24 07:37:28 (Show Source): You can put this solution on YOUR website!Move the decimal point 6 places to the right.
 Volume/334422: Suppose every edge of a cube measures centimeters. What is the volume of the cube?1 solutions Answer 239604 by Alan3354(31538)   on 2010-08-24 07:36:46 (Show Source): You can put this solution on YOUR website!Cubic centimeters.
 Equations/334332: I Don't understand how to even start solving this. 1 solutions Answer 239601 by Alan3354(31538)   on 2010-08-24 07:18:33 (Show Source): You can put this solution on YOUR website! 18-30k = -26-8k How about now?
 Radicals/334414: square root 16 eqauls 181 solutions Answer 239600 by Alan3354(31538)   on 2010-08-24 07:15:34 (Show Source): You can put this solution on YOUR website!No.
 Linear-equations/334320: use the ordered pair shown on the graph (97.6,2.2)(2000,13.5) to find the slope of the line to the nearest hundreath1 solutions Answer 239556 by Alan3354(31538)   on 2010-08-23 21:14:56 (Show Source): You can put this solution on YOUR website!use the ordered pair shown on the graph (97.6,2.2)(2000,13.5) to find the slope of the line to the nearest hundreath ========================== slope = diffy/diffx m = (13.5-2.2)/(2000 - 97.6) m = 11.3/1902.4 m = 0.0059 m = 0.01 to the nearest 100th
 Travel_Word_Problems/334350: A car traveling with constant speed travels 150 in two hours. What is the speed of the car?1 solutions Answer 239553 by Alan3354(31538)   on 2010-08-23 21:05:00 (Show Source): You can put this solution on YOUR website!Take a guess. There are only 2 numbers.
 Equations/334334: i don't know what to do with this equasion.. 1 solutions Answer 239546 by Alan3354(31538)   on 2010-08-23 20:35:39 (Show Source): You can put this solution on YOUR website!It's not an equation, there's no equal sign. What do you want to do?
 Reduction-of-unit-multipliers/334333: You work 10 hrs and earn \$85. What is your earning rate?1 solutions Answer 239544 by Alan3354(31538)   on 2010-08-23 20:34:58 (Show Source): You can put this solution on YOUR website!Only 2 numbers to work with. Give it a try.
 Equations/334230: is the ____________ of a number and four. What is supposed to be in the blank all I know that its a 5 lettered word. I would appreciate any help. I thought the word was quotient too, but it on my word puzzle worksheet and my teacher said its only 5 letters. 1 solutions Answer 239543 by Alan3354(31538)   on 2010-08-23 20:34:19 (Show Source): You can put this solution on YOUR website!it's the quotient.
 Travel_Word_Problems/334330: if the average speed is 65 mph how far will the car travel in 7 hours & 30mins1 solutions Answer 239542 by Alan3354(31538)   on 2010-08-23 20:33:09 (Show Source): You can put this solution on YOUR website!You have 2 numbers to work with, 65 and 7.5. Give it a try.
 Linear-systems/334324: x+2/2-y+4/3=41 solutions Answer 239541 by Alan3354(31538)   on 2010-08-23 20:29:27 (Show Source): You can put this solution on YOUR website!x+2/2-y+4/3=4 x + 1 - y +4/3 = 4 x - y = 3 - 4/3 = 5/3 x - y = 5/3
 Proportions/334280: abbotttsville and broken branch are distance 175 millas apart. on a map, the distance between the two towns are 2.5 inches. what is the scale of the map?1 solutions Answer 239534 by Alan3354(31538)   on 2010-08-23 19:53:15 (Show Source): You can put this solution on YOUR website!abbotttsville and broken branch are distance 175 millas apart. on a map, the distance between the two towns are 2.5 inches. what is the scale of the map? -------------------- 175/2.5 = 70 miles per inch = 70*5280*12 inch/inch = 1:4435200 -------------------- The tactical maps (tac maps) I used in Vietnam were 1:50000. The maps used on the ground are usually 1:10000 or 1:25000. High speed high altitude aircraft use 1:1,000,000 or 1:2,500,000.
 Complex_Numbers/334237: How do you solve for x in this equation: (x/3)+(x/2)=51 solutions Answer 239531 by Alan3354(31538)   on 2010-08-23 19:48:45 (Show Source): You can put this solution on YOUR website!Step 1, get rid of the fractions by multiplying thru by 6
 test/334304: 1 solutions Answer 239530 by Alan3354(31538)   on 2010-08-23 19:47:43 (Show Source): You can put this solution on YOUR website!I'm gonna guess "cattle"
 Linear-equations/334305: Solve. 4y-15<3y-21 solutions Answer 239529 by Alan3354(31538)   on 2010-08-23 19:47:05 (Show Source): You can put this solution on YOUR website!Add 15 to both sides. Then subtract 3y from both sides.
 Polynomials-and-rational-expressions/334239: What are all the real solutions for this polynomial equation? 15x^4 - 15x^3 + 15x - 15 = 01 solutions Answer 239527 by Alan3354(31538)   on 2010-08-23 19:45:21 (Show Source): You can put this solution on YOUR website!Divide by 15. The coefficients are small, so try +1 and -1.
 test/334243: A certain aircraft can fly 960 miles with the wind in 4 hours and travel the same distance against the wind in 6 hours. Write the speed of the wind in Blank 1 and the speed of the plane in Blank 2.1 solutions Answer 239526 by Alan3354(31538)   on 2010-08-23 19:41:06 (Show Source): You can put this solution on YOUR website! A certain aircraft can fly 960 miles with the wind in 4 hours and travel the same distance against the wind in 6 hours. Write the speed of the wind in Blank 1 and the speed of the plane in Blank 2. ----------------------- 960/4 = 240 mph 960/6 = 160 mph The airspeed is the average. The wind speed is 1/2 the difference.
 Polynomials-and-rational-expressions/334263: please help me factor the following completely: 3y^2-17xy-6x^21 solutions Answer 239522 by Alan3354(31538)   on 2010-08-23 19:39:18 (Show Source): You can put this solution on YOUR website!Make an effort. Your idea of "help" is doing it for you.
 Polynomials-and-rational-expressions/334262: please help me factor the following completely: 2x^2+xy-6y^21 solutions Answer 239521 by Alan3354(31538)   on 2010-08-23 19:38:57 (Show Source): You can put this solution on YOUR website!Make an effort. Your idea of "help" is doing it for you.
 Polynomials-and-rational-expressions/334260: please help me factor the following completely: 7x^2-10x+31 solutions Answer 239520 by Alan3354(31538)   on 2010-08-23 19:38:01 (Show Source): You can put this solution on YOUR website!OK, it's (x+a)*(x+b) a*b = 3
 Polynomials-and-rational-expressions/334261: please help me factor the following completely: 2x^2-9x-51 solutions Answer 239519 by Alan3354(31538)   on 2010-08-23 19:36:44 (Show Source): You can put this solution on YOUR website!What sort of help do you need? I can go and get whatever tools you might need.
 Unit_Conversion_Word_Problems/334278: A hose fills a hot tub at a rate of 3.2 gallons per minute. How many hours will it take to fill a 300 gallon hot tube?1 solutions Answer 239517 by Alan3354(31538)   on 2010-08-23 19:35:45 (Show Source): You can put this solution on YOUR website!You have 2 numbers to work with. Give it a try.
 Travel_Word_Problems/334286: convert 120km into m/s2 1 solutions Answer 239516 by Alan3354(31538)   on 2010-08-23 19:34:03 (Show Source): You can put this solution on YOUR website!What is "m/s2" ??
 Polynomials-and-rational-expressions/334218: I am wondering if I figured this out right. Could you please help me with this? I must create a binomial representing the length in this problem. A rectangle x centimeters wide w/an area of x^2+50x. My answer is L=50x-x^2. Is that correct? If not, could you please walk me through the procedure? Thank you, kindly. 1 solutions Answer 239473 by Alan3354(31538)   on 2010-08-23 17:12:54 (Show Source): You can put this solution on YOUR website!A rectangle x centimeters wide w/an area of x^2+50x Area = L * W W = x x^2 + 50x = W * L = x*L L = Area/W = (x^2 + 50x)/x L = x + 50
 Polynomials-and-rational-expressions/334198: Hello! This one has been giving me a hard time and couldn't figure it out. Any help is greatly appreciated. Thank you in advance... Solve the problem: The current, in ampheres, for a piece of wire with an electromotive force of 88 volts, is given by the function C(r)=88/r, where r is the resistance of the wire in ohms. What is the current, rounded to the nearest hundredth of an ampere, if the wire has a resistance of 15 ohms? Thank you! 1 solutions Answer 239465 by Alan3354(31538)   on 2010-08-23 16:34:04 (Show Source): You can put this solution on YOUR website!I is used for amperes. I = 88/r = 88/15 I =~ 5.87 amps
 Rational-functions/334194: for each line, use the given conditions to write an equation in the point slope form and the slope-intercept form. slope = 4, passing through (1,3) slope = 8, passing through (4,-1) slope = -5, passing through (-4,-2) slope = -2, passing through (0,-3)1 solutions Answer 239464 by Alan3354(31538)   on 2010-08-23 16:27:44 (Show Source): You can put this solution on YOUR website! for each line, use the given conditions to write an equation in the point slope form and the slope-intercept form. slope = 4, passing through (1,3) Use y = mx + b to find b 3 = 4*1 + b b = -1 --> y = 4x - 1 ------------------ Do the others the same way. m = slope, b = y-intercept. ------------------ slope = 8, passing through (4,-1) slope = -5, passing through (-4,-2) slope = -2, passing through (0,-3)
 Travel_Word_Problems/334186: At 210 miles per hour, how long would it take a race car to complete a 1.4 mile lap at the race track?1 solutions Answer 239462 by Alan3354(31538)   on 2010-08-23 16:00:31 (Show Source): You can put this solution on YOUR website!1.4 miles/210 mph = 0.00667 hours
 Trigonometry-basics/334138: if t is in quadrant II and csc t=2, find the value of cot t.1 solutions Answer 239446 by Alan3354(31538)   on 2010-08-23 14:48:09 (Show Source): You can put this solution on YOUR website! if t is in quadrant II and csc t=2, find the value of cot t. ----------- If csc(t) = 2, sin(t) = 1/2. arcsin(1/2) = 150 degs in Quad II. cot(150) = - sqrt(3)