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# Recent problems solved by 'Alan3354'

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 Surface-area/581596: is area always squared?1 solutions Answer 371715 by Alan3354(31518)   on 2012-03-03 17:25:18 (Show Source): You can put this solution on YOUR website!is area always squared? ----- Area is always square units. sq ft, sq inches, sq meters, etc. How could it be otherwise?
 Angles/581562: what is the measurement of the supplement of a 69 degree angle 1 solutions Answer 371713 by Alan3354(31518)   on 2012-03-03 16:31:28 (Show Source): You can put this solution on YOUR website!what is the measurement of the supplement of a 69 degree angle -------- = 180 - 69 degs
 test/581577: x+y=3 x-y=31 solutions Answer 371711 by Alan3354(31518)   on 2012-03-03 16:21:45 (Show Source): You can put this solution on YOUR website!x+y=3 x-y=3 ----- Add
 Rectangles/581547: I have a math project and its due March5,2012. i have to find the perimeter of a rectangle with one corner is a arch, how do i find the perimeter?1 solutions Answer 371701 by Alan3354(31518)   on 2012-03-03 14:28:57 (Show Source): You can put this solution on YOUR website!I have a math project and its due March5,2012. i have to find the perimeter of a rectangle with one corner is a arch, how do i find the perimeter? ---------------- How can a corner be an arch? A corner is an intersection of 2 lines, it's a point.
 Equations/581539: a plumber charges \$40 to come to your house. he chares \$20 per hour. Write the expression1 solutions Answer 371695 by Alan3354(31518)   on 2012-03-03 13:21:58 (Show Source): You can put this solution on YOUR website!Charge = \$40 + \$20*hours C = 40 + 20h
 Surface-area/581438: The area of a regular polygon is 36 square inches. Find the length of a side if the polygon has the given number of sides. Round your answer to the nearest tenth. a. 3 b. 4 c. 6 d. Suppose the polygon is a pentagon. What would you expect the lenght of its side to be? Explain.1 solutions Answer 371669 by Alan3354(31518)   on 2012-03-03 09:35:44 (Show Source): You can put this solution on YOUR website!The area of a regular polygon is 36 square inches. Find the length of a side if the polygon has the given number of sides. Round your answer to the nearest tenth. a. 3 b. 4 c. 6 ----------- where n = # of sides & s = side length n = 3: --> s = 9.118 inches n = 4: --> s = 6.000 inches n = 5: --> s = 4.574 inches n = 6: --> s = 3.722 inches d. Suppose the polygon is a pentagon. What would you expect the lenght of its side to be? It's between the lengths of 4 & 6. As the # of sides increases, the length decreases. n = 20 --> s = 1.06788 inches ----------------------
 Length-and-distance/581462: Find the distance between the points (-4, 6) and (8, -12).Round your solution to 2 decimal points. I know how to do the DISTANCE FORMULA, but i do not know what it means when it says round your solution to 2 decimal points. I got the answer [d= sqrt of 180 = 13.45] But i got 180.9025. Help please and thank you.1 solutions Answer 371663 by Alan3354(31518)   on 2012-03-03 09:10:31 (Show Source): You can put this solution on YOUR website!Find the distance between the points (-4, 6) and (8, -12).Round your solution to 2 decimal points. ---------- d =~ 21.633077 --> d = 21.63
 Linear_Equations_And_Systems_Word_Problems/581371: 52. In which quadrants do the first and second coordinates have opposite signs? 1 solutions Answer 371603 by Alan3354(31518)   on 2012-03-02 20:16:21 (Show Source): You can put this solution on YOUR website!52. In which quadrants do the first and second coordinates have opposite signs? --------- 2 & 4
 Volume/581272: 4. Find the surface area and volume of a right cone with a radius of 6 cm, slant height of 10 cm, and a height of 8 cm.1 solutions Answer 371602 by Alan3354(31518)   on 2012-03-02 20:11:44 (Show Source): You can put this solution on YOUR website!Find the surface area and volume of a right cone with a radius of 6 cm, slant height of 10 cm, and a height of 8 cm. --------------- Lateral area = s = slant height ----------------------- =============== Vol = pi*r^2*h/3)))
 Pythagorean-theorem/581300: the length of the hypotenuse of a 45-45-90 triangle is sqrt (32). what is the length of each of the legs?1 solutions Answer 371600 by Alan3354(31518)   on 2012-03-02 20:04:51 (Show Source): You can put this solution on YOUR website!the length of the hypotenuse of a 45-45-90 triangle is sqrt (32). what is the length of each of the legs? -------------- s = 4
 test/581302: A) do e and m vary directly,inversely,or neither? e)/1/2/3 m)/36/18/12 (this is a table) B) if e and m vary directly or inversely,write a formula to express the relationship between them. if there is no relationship,explain why. 1 solutions Answer 371599 by Alan3354(31518)   on 2012-03-02 20:02:07 (Show Source): You can put this solution on YOUR website!A) do e and m vary directly,inversely,or neither? e)/1/2/3 m)/36/18/12 (this is a table) -------------- e*m = 36 for the 3 points given. --> e = 36/m an inverse relationship. -------------------------- B) if e and m vary directly or inversely,write a formula to express the relationship between them. I did. e = 36/m or m = 36/e --------------------- if there is no relationship,explain why.
 Square-cubic-other-roots/581362: Do I write my answer to the square root of 8 times the square root of 18 as the square root of 12 or just 121 solutions Answer 371598 by Alan3354(31518)   on 2012-03-02 19:57:10 (Show Source): You can put this solution on YOUR website!Do I write my answer to the square root of 8 times the square root of 18 as the square root of 12 or just 12 ----------------- That's 12 does not equal
 Travel_Word_Problems/581367: 62. Navigation. In 3 sec, Penny walks 24 ft, to the bow (front) of a tugboat. The boat is cruising at a rate of 5 ft/sec. What is Penny’s rate of travel with respect to land?1 solutions Answer 371597 by Alan3354(31518)   on 2012-03-02 19:55:09 (Show Source): You can put this solution on YOUR website!In 3 sec, Penny walks 24 ft, to the bow (front) of a tugboat. The boat is cruising at a rate of 5 ft/sec. What is Penny’s rate of travel with respect to land? ---------------- 24/3 = 8 ft/sec 8 + 5 = 13 ft/sec
 Graphs/581294: Please help he solve this equation I have to be able to fill out the table for it looks like this x y1 y2 0 -5 3 -2 5 10 15 18 20 And then I have to give the solution for x I have to draw the graph and then state what the solution point (x,y) is. I have no idea what this means. Thanks 1 solutions Answer 371596 by Alan3354(31518)   on 2012-03-02 19:51:58 (Show Source): You can put this solution on YOUR website! Square both sides (x-2)*(x-10) = 0 x = 2, x = 10
 Triangles/581304: one leg of a 45-45-90 triangle is a times b. what will the hypotenuse measure? 1 solutions Answer 371589 by Alan3354(31518)   on 2012-03-02 18:43:28 (Show Source): You can put this solution on YOUR website!one leg of a 45-45-90 triangle is a times b. what will the hypotenuse measure? -------------- Side = a*b
 Travel_Word_Problems/581333: send me ans wit xplntn Three partners invest Rs.2000, Rs.2500 and Rs.1100 in a business and earn a profit of 560. then, he share of person who invested Rs.2500 is a) Rs.200 b) Rs.250 c) Rs.300 d) Rs.350 A train covers a distance between stations A and B in 45 Minutes. If the speed is reduced by 5 km/hour. It will cover the same distance in 48 Minutes, What is the distance between station A & B in Km? A) 60 B) 64 C) 80 D) 841 solutions Answer 371588 by Alan3354(31518)   on 2012-03-02 18:42:15 (Show Source): You can put this solution on YOUR website!send me ans wit xplntn -------------- Post it in English, or some other language used by humans.
 Triangles/581276: Find the value of x in each triangle. a. 115 b. 125 c. 135 (No answer)1 solutions Answer 371587 by Alan3354(31518)   on 2012-03-02 18:40:47 (Show Source): You can put this solution on YOUR website!Find the value of x in each triangle. a. 115 b. 125 c. 135 (No answer) --------------- Where is x?
 Average/581353: if a quiz is 40% of my grade what will i have to get to go from a 79 to an 851 solutions Answer 371585 by Alan3354(31518)   on 2012-03-02 18:36:05 (Show Source): You can put this solution on YOUR website!if a quiz is 40% of my grade what will i have to get to go from a 79 to an 85 ---------- The 79 is the other 60% then. 79*60 + grade*40 = 85*100 4740 + grade*40 = 8500 grade*40 = 3760 grade = 94 ---------------
 Functions/581310: 3+4+9X+10X 1 solutions Answer 371579 by Alan3354(31518)   on 2012-03-02 17:54:46 (Show Source): You can put this solution on YOUR website!Do you have a question? Why all the white space?
 Travel_Word_Problems/581342: how far can a car travel at 90 kilometers per hour in 4.5 hours?1 solutions Answer 371577 by Alan3354(31518)   on 2012-03-02 17:53:12 (Show Source): You can put this solution on YOUR website!how far can a car travel at 90 kilometers per hour in 4.5 hours? ------------- d = r*t
 Numeric_Fractions/581334: 1081 divided by 16 as a fraction1 solutions Answer 371576 by Alan3354(31518)   on 2012-03-02 17:52:29 (Show Source): You can put this solution on YOUR website!1081 divided by 16 as a fraction -------- =
 test/581344: Algebra1 solutions Answer 371575 by Alan3354(31518)   on 2012-03-02 17:51:41 (Show Source): You can put this solution on YOUR website!Profound
 Trigonometry-basics/581283: 1-(sin^2(alpha))/(1+cot(alpha))-(cos^2(alpha))/(1+tan(alpha))=sin(alpha)cos(alpha) 1 solutions Answer 371549 by Alan3354(31518)   on 2012-03-02 13:53:21 (Show Source): You can put this solution on YOUR website!1-(sin^2(alpha))/(1+cot(alpha))-(cos^2(alpha))/(1+tan(alpha))=sin(alpha)cos(alpha) -------------- Do you have a question?
 Mixture_Word_Problems/581164: a bottle and its content cost 60 cents, but content cost 18 cents more than bottle? 1 solutions Answer 371548 by Alan3354(31518)   on 2012-03-02 13:52:10 (Show Source): You can put this solution on YOUR website!a bottle and its content cost 60 cents, but content cost 18 cents more than bottle? Is that a statement, or are you asking? ------------- Do you have a question?
 Travel_Word_Problems/581284: horatio travels 20 miles to the mall at 36mph but returns back to school in 15 minutes. how fast did he drive back to school? 1 solutions Answer 371546 by Alan3354(31518)   on 2012-03-02 13:41:12 (Show Source): You can put this solution on YOUR website!horatio travels 20 miles to the mall at 36mph but returns back to school in 15 minutes. how fast did he drive back to school? ----------- 20 mi/15 mins = (4/3) miles per minute
 Exponential-and-logarithmic-functions/581229: x^1.2=151 solutions Answer 371527 by Alan3354(31518)   on 2012-03-02 10:06:37 (Show Source): You can put this solution on YOUR website!x^1.2=15 ----------- 1.2*log(x) = log(15) log(x) = log(15)/1.2 -------- Most calculators will do
 Travel_Word_Problems/581228: a car travels at a constant 84 mph in one direction then comes back covering the same distance at a constant 63 mph, what is the average speed?1 solutions Answer 371521 by Alan3354(31518)   on 2012-03-02 09:44:16 (Show Source): You can put this solution on YOUR website!a car travels at a constant 84 mph in one direction then comes back covering the same distance at a constant 63 mph, what is the average speed? ------------- Avg = 2*84*63/(84+63) = 72 mi/hr
 Equations/581180: literal equation= x+5=b1 solutions Answer 371518 by Alan3354(31518)   on 2012-03-02 09:33:48 (Show Source): You can put this solution on YOUR website!literal equation= x+5=b ------------ What about it?
 Coordinate-system/581213: how do u get the answer for y-2=2(x-3)1 solutions Answer 371516 by Alan3354(31518)   on 2012-03-02 09:28:26 (Show Source): You can put this solution on YOUR website!how do u get the answer for y-2=2(x-3) ------------- What is the question?
 Triangles/581219: In a right angle triangle its hypotenuse is 13 cm its perpendicular is 12 cm and its base is 5 cm long. A circle is inscribed in it. Find its radius 1 solutions Answer 371515 by Alan3354(31518)   on 2012-03-02 09:24:09 (Show Source): You can put this solution on YOUR website!In a right angle triangle its hypotenuse is 13 cm its perpendicular is 12 cm and its base is 5 cm long. A circle is inscribed in it. Find its radius ------------ For right triangles, it's a*b/P where a & b are the 2 legs and P is the Perimeter. r = 5*12/30 r = 2 cm
 test/581147: 8a(cubed)+c(cubed)1 solutions Answer 371513 by Alan3354(31518)   on 2012-03-02 08:33:47 (Show Source): You can put this solution on YOUR website!= Do you have a question?