# Questions on Word Problems: Unit Conversion answered by real tutors!

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 Word Problems: Unit Conversion Solvers Lessons Answers archive Quiz In Depth

 Question 224001: _8uz_ 5u__ 3u . 6z Of course these are supposed to be fractions and the 'dot' is supposed to be in the middle of the equation. Can someone please help me with this one. The "dot" means to multiple correct? Or is that wrong too? Click here to see answer by ankor@dixie-net.com(15661)

 Question 224407: A projectile is fired upward from the ground with an initial velocity of 571 feet per second. Assume that the height of the projectile at any time t can be desceibed by the polynomial function P(t)=-16t2(squared) +571t. Find the height of the projectile at each given time. 3 seconds? 6 seconds? 10 seconds? 12 seconds? Explain why the height changes as time passes. Click here to see answer by Alan3354(30993)

 Question 224482: Near the surface of a distant planet, the acceleration due to gravity is 26 feet per second squared (26ft over sec squared) express this using unit analysis in miles per square minute. Round answer to tenths place. Click here to see answer by ankor@dixie-net.com(15661)

 Question 225138: 4/t = -8 solve for t. Would this be -32? Click here to see answer by Alan3354(30993)

 Question 225169: __-2x_ -_ 8___ x2 + 2x -8 OH No here is another I found that i cannot do. -2x-8 is on the top and x2+2x-8 the 2 next to the x is to the power type of 2 nota normal 2 ok? I hope i am not confusing anyone!! Thank you for your help i appreciate it a lot!!!!! Click here to see answer by Alan3354(30993)

 Question 225162: Hi all I am having some problems with my math class I am taking now, but so far I only have one word problem that is giving me grief can someone please help me?? There are 480 dishes that need to be rinsed. John can rinse them in 120 minutes by himself. It will take his friend Bob 80 minutes to rinse these dishes. How long will it take them if they rinse these 480 dishes together? Click here to see answer by Alan3354(30993)

 Question 225161: A machine produces 150 bolts in 20 minutes. At the same rate, how many minutes would it take to produce 195 bolts? HELP PLEASE!!!! Click here to see answer by ankor@dixie-net.com(15661)

 Question 225158: Solve the following proportion for : Now this one i am not at all sure of where to start. Click here to see answer by LtAurora(115)

 Question 225142: _5_ t+5 = -6 OK I am totally confused on this one. This is a fraction and I have to solve for t. Click here to see answer by ankor@dixie-net.com(15661)

 Question 225144: Find all values of y satisfying the equation. -_7___ _3__ y + 1 = -4 - y-4 Both have minuses before the fractions and the last one has a -4 before it as well. Help. (If there is more than one solution, separate them with commas.) Click here to see answer by ankor@dixie-net.com(15661)

 Question 225155: Solve the following proportion for x . Now how do i go about doing this one?? These are fractions by the way. Is this where i have to find a least common denominator then what??? 3/17 = x/12 Round your answer to the nearest tenth. Click here to see answer by ankor@dixie-net.com(15661)

 Question 225722: This is the last one. u2 - 13u + 40/3u2 - 33u + 90 This is one big fraction again. the 2's after both u's are 'to the power 2's" Again I just do not no where to start. Click here to see answer by LtAurora(115)

 Question 225721: Reduce the following rational expression to its lowest terms: 20u2y5/15y3z6-10y4 The only numbers that are whole numbers are the 20 and the 15. The others are 'to the power' numbers. I have absolutely no clue how to do this one please help. This is a fraction. a very big fraction. I hope no one thinks I am a total retard I am just awful with math problems!! Sorry!!!! Click here to see answer by ankor@dixie-net.com(15661)

 Question 227388: I make my fractions like this: ??/?? with the slash in the middle and all on one line. Solve the equation.Can you help me with these 2 problems? -3/x=x/3 I do not no how to solve these correctly. Can someone please show me how to do these correctly??? I really need to pass this course, and I need all the help I can, so it would be much appreciated!!! Thanks!! 2/x-3 + 3/3-x Click here to see answer by ankor@dixie-net.com(15661)

 Question 227871: mrs. cuylle's backyard is a rectangle 12m long by 10 m wide. for exercise mrs.cuylle walks around the outside of it. how far does he walk in 1 trip around? Click here to see answer by rfer(12670)

 Question 228962: Hi all I have been doing pretty good lately Until Now!! I need help with writing the problem in a simplified radical form. Assume that all variables represent positive real numbers. And I have no idea how to write the v------- type thing. Except it is a solid line and not quite a v at the begining. Does anyone no what I am talking about? Square root symbol maybe? These are under the line of the 'square root symbol" there is nothing on the left side of the symbol. And the 11 and the 2 are 'to the power numbers.' 12t11 u2 I have no idea if anyone will even understand this but if you do please help me. Thank you very much!! Click here to see answer by ankor@dixie-net.com(15661)

 Question 229149: The average distance between the earth and the sun is 93 million miles. Using the velocity of light, find an approximate value for the amount of time it takes a light ray to travel from the sun to the earth. Please help and thank you. Click here to see answer by ankor@dixie-net.com(15661)

 Question 230457: -2x+1=3(x+2) Solve for x and simplify. HELP this is the last one. Click here to see answer by texttutoring(324)

 Question 230449: The surface area of a right prism is given by S=2B+ph where B is the area of the base, P is the perimeter of the base, and h is the height of the prism. Solve for . WIll someone please help me with this one. I do not no how to start this one. Click here to see answer by stanbon(57399)

 Question 230694: The surface area S of a right prism is given by S=2B+Ph, where B is the area of the base, P is the perimeter of the base, and h is the height of the prism. Solve for h. Sorry Stan I did not put the h in the last question. Click here to see answer by stanbon(57399)

 Question 230697: (a3/-2b2)2 The 3 and the second 2 after the b and the 2 outside of the ()'s are 'to the power 2's I do not no how to this problem at all. Simplify your answer without parenthesis. Click here to see answer by stanbon(57399)

 Question 230706: 2x^2z^8*4z^5*4x Multiply. Would this be 32x^3z^13 by any chance???? Click here to see answer by Earlsdon(6287)

 Question 232119: Hi and thanks for being available to answer boggling math questions.....you are appreciated. Here is the question: How many teaspoons are in an ounce? Click here to see answer by ankor@dixie-net.com(15661)

 Question 237388: Okay so I have this problem that I believe I know how to do, but the only problem is that I don't know how I would convert miles to a year. That was where I was really stuck. Here's the problem: "Sommer wants to buy a new car. She currently drives a car that gets 30 miles per gallon. She is contemplating buying a car that get's 40 miles per gallon. Sommer drives 15,000 miles per year. Assume that gas costs \$1.65 per gallon the entire year. How much will Sommer save on gas in 1 year if she buys the new car?" I know the question is to find the money amount for how much gas is saved, but then that's also another problem I have is how to find that. If anyone knows how to go about solving this problem or setting it up, please let me know! Thank you so much! Click here to see answer by josmiceli(9697)

 Question 237387: I am having trouble will conversions and I was given this problem to solve. They give you a lot to go off of, but I don't know where to start or better yet what to start with. I assume it wont matter which unit you start with, but then I wasn't sure so here's the problem I was given: "Kay wants to buy a new fireplace insert that will burn gas instead of wood. She normally uses two cords of wood in the winter. Wood costs \$250/cord. She is interested in knowing how much she will save if she burns gas in the fireplace insert. Gas costs \$0.70 per therm. One therm is 100,000 BTU. The fireplace insert burns 33,000 BTU per hour. Kay figures she will burn the fireplace 5 hours per day for 120 days. How much will she save in one winter if she burns gas instead of wood?" It seems like you have to do a lot of conversions, but is there a simpler way to do it or do you have to do every conversion they listed? If anyone has an idea on how to solve this that would be very much appreciated! Click here to see answer by ankor@dixie-net.com(15661)

 Question 237585: If Jan can paint a house in 4 hours and Bill can paint the same house in 6, how long will it take for both of them to paint the house together...? Trying to figure out how to set this one up, it should be simple and was thinking of converting into a fraction with a common denominator... but was sure if that was making it harder than it was ? thanks Answer given is 2 hrs 24 mins just not sure how 2 get there.... Click here to see answer by nerdybill(6963)

 Question 241156: What fraction of 2 cubic yards is 4 cubic feet? Click here to see answer by ankor@dixie-net.com(15661)

 Question 243579: A room measures 4 meters by 7 meters and the ceiling is 3 meters high. A liter of paint covers 20 square meters. How many liters of paint will it take to paint all but the floor of the room? Please show work. Click here to see answer by checkley77(12569)

 Question 243605: jake can rake the lawn in 2hrs 22mintues.Jill can rake the same lawn 27 mintues quicker .how long does it tak ejill to rake the lawn Click here to see answer by oberobic(2304)

 Question 245063: Cindy needs 15 feet of rope. The rope store sells rope in packages of one yard. a. How many packages of rope should Cindy buy? Click here to see answer by checkley77(12569)

 Question 246515: maria kept recored on how much she spent on gasoline and the maintenance on her car. she found that is cost 485 dollars to drive 500 miles in a month. find the cost per mile. find the cost for driving 1,200 miles and about how many miles are driven for a cost of 820 dollars? Click here to see answer by rfer(12670)

 Question 250813: Jim has 3/4 of a yard of string which he wishes to divide into pieces yard long. How many pieces will he have? ( Sorry but i have no idea what type of problem this is) Thank You Very Much Click here to see answer by rfer(12670)

 Question 251379: can you explain how to convert a 16 pound bowling ball into kilograms? Click here to see answer by JimboP1977(308)

 Question 251261: i have a one-story house that is 32-ft wide adn 48-ft long. I plan to build an addition 12-ft by 16-ft. That will the total area of the house be? Click here to see answer by rfer(12670)

 Question 252494: If the dimensions of a cube of sample are 3 inches * 6 inches * 1 foot, what's the volume of that cube in cubic centimeters? Give your answer in scientific notation. Click here to see answer by richwmiller(9143)

 Question 252772: An airplane hangar measures 360 meters by 240. Find its area in square kilometers Click here to see answer by richwmiller(9143)

 Question 254312: i cant rememeber the conversion chart and i have a quiz on it 2morrow! Help! Click here to see answer by JimboP1977(308)

 Question 255350: Hi, I need someone's help please. I keep getting 94.724 for my answer and the actual answer is 87 decibels. What am I doing wrong? I have included my work as well. The sound produced by a jet engine was measured at a distance of 100 m in all directions. The loudness d of the sound (in decibels) was found to be d=70.0+30.0cos0 , where the line 0degrees was directed in front of the engine. Calculate d for 0=34.5degrees. d=70.0+30.0cos(34.5) d=70.0+24.724 d=94.724 Click here to see answer by richwmiller(9143)

 Question 256952: with using the computer how do you enter a negative number into an equation? Click here to see answer by drk(1908)

 Question 258568: HELP! I'm an old dog learning new stuff. I'm having trouble getting this to click in my old brain. I'm supposed to figure this out by using dimensional analysis.... Thanks so very much for your help! If a block of ice measures 24 in. x 36 in. x 18 in. (a) What is the volume of this block in cubic meters? (b) What is the total surface area of the block in square centimeters? Click here to see answer by stanbon(57399)
 Question 258568: HELP! I'm an old dog learning new stuff. I'm having trouble getting this to click in my old brain. I'm supposed to figure this out by using dimensional analysis.... Thanks so very much for your help! If a block of ice measures 24 in. x 36 in. x 18 in. (a) What is the volume of this block in cubic meters? (b) What is the total surface area of the block in square centimeters? Click here to see answer by richwmiller(9143)

 Question 258977: There are more than 1/4 million species of beetle. Assume the average length of a beetle is 1cm and the average walking speed is 10 cm per second. These beetles walk up a gang-plank that is 5 meters long onto an ark. They do this in pairs, side by side, one male and one female from each species. The pairs of beetles are spaced 5 cm apart. How many hours will it take for 1/4 million species of beetles to embark onto the ark once the first pair starts up the gangplank? __________ hours Click here to see answer by Alan3354(30993)

 Question 259614: I am a parent (father) trying to help my 12 year old son (7th grader) with this word problem. I haven't a clue how to solve this question. The question is: An artist carved a bear out of a block of wood. The term 21^3 (not sure if this is twenty-one to the third power) represents the volume, in cubic centimeters, of the block. What is 21^3 in standard form? Click here to see answer by stanbon(57399)

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