Questions on Algebra: Unit Conversion answered by real tutors!

Tutors Answer Your Questions about Reduction-of-unit-multipliers (FREE)

Question 50320: Use one unit multiplier to convert 100 centimeters to inches.
Click here to see answer by tutorcecilia(2152)

Question 50631: Here is my problem. How many km. are in 5055m.? I thought it was a division problem but the answer only comes out right when you multiply. Why?
Click here to see answer by tutorcecilia(2152)

Question 51283: Use one unit multiplier to convert: 120 in. to ft. and 42 ft. to in.
Click here to see answer by checkley71(8403)

Question 52217: bob invested $20,00, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%?
Click here to see answer by funmath(2933)

Question 52216: Sally bought 3 chocolate bars and a pack of gum and paid $1.75. Jake bought 2 chocolate bars and 4 packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum.
Click here to see answer by tutorcecilia(2152)

Question 52609: I am trying to figure out this word problem. any help is greatly appreciated.
The cost C of producing x units of a product is C = 15 + 26x. The revenue R for selling x units is . The profit P is the difference between revenue and cost.
(a) Perform the subtraction required to find the polynomial representing profit P.
(b) Determine the profit when 14 units are produced and sold.

Click here to see answer by stanbon(75887)

Question 57380: suppose you travel north for 65 kilometers then travel east 75 kilometers. How far are you from your starting point?
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Question 64211: If i need 8 oz of onion to make 1/2gal then how many ones will i need to make 1 quart and one 1/2 gal.
Click here to see answer by checkley71(8403)

Question 64301: Divide. Write the answer in scientific notation.

5.2 x 10^-12
____________
7.5 x 10^-7
Click here to see answer by funmath(2933)

Question 65083: Use unit multipliers to convert 300 square miles to square kilometers

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Question 65093: Use unit multipliers to convert 10 cubic meters to cubic inches
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Question 65807: Use unit multipliers to convert 3 square miles per hour to square feet per minute
Click here to see answer by checkley71(8403)

Question 66069: Use unit multipliers to covert 27 cubic feet per minute to liters per hour
Click here to see answer by stanbon(75887)

Question 66035: simplify
use unit multipliers to convert 27 cubic feet per minute to liters per hour
Click here to see answer by venugopalramana(3286)

Question 67782: Use unit multipliers to convert 600 milliters per minute to liters per hour
Click here to see answer by stanbon(75887)

Question 67787: PLease help to write -5R + 12U in polar form
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Question 67839: I have a Physics problem but I think it involves conversion. Can anyone help?
A 160 lb. person has a mass of 160/32 = 5 slugs. A 160 lb. person steps into an elevator and stands on a bathroom scale. Determine the scale reading if the elevator is
a. accelerating upwards
b.the elevator cable breaks
I will appreciate your help! Thanks.
Click here to see answer by Edwin McCravy(20055)

Question 68078: use a unit multiplier to convert 1760 yards to feet
Click here to see answer by stanbon(75887)

Question 69776: how do you write 790000 in scientific notation?
Click here to see answer by Zoop(21)

Question 69776: how do you write 790000 in scientific notation?
Click here to see answer by stanbon(75887)

Question 69776: how do you write 790000 in scientific notation?
Click here to see answer by funmath(2933)

Question 70836: Identify the units on the variable x in each of the following situations.

1. x=fp both f and p are measured in inches.
I don't understand how to do this. I don't even understand what the question is.

Click here to see answer by bucky(2189)

Question 72214: I wasn't sure how to do this one. I got -10.5, but I don't think thats the right answer. I came to my answer by following the notes I had taken in class. I'm just really unsure about this problem. Thanks for any help. :]

Click here to see answer by rmromero(383)

Question 72609: I am not sure if this is a unit conversion sorry for any confusion.
75. If the cost, C(x), for manufacturing x units of a certain product is given by , find the number of units manufactured at a cost of $9500.
I have tried factoring this by first factoring the equation without the 9500 even inputed. I have tried substituting the 9500 in to the equation in a couple of different ways. The book has given me the answer and if I put the answer into the equation I see that it works but I have no idea how the number was gotten in the first place. There is no explanation in the book please help. Thank you
Click here to see answer by bucky(2189)

Question 72733: Express the ratio 750 cm:3 m in simplest form.
Click here to see answer by stanbon(75887)

Question 73239: If the path is 12cm on the map how many km is the actual path on a scale of 1:10,000 in cm?
Click here to see answer by checkley75(3666)

Question 74117: 180 in./min=___yd/h
Click here to see answer by jim_thompson5910(35256)

Question 74117: 180 in./min=___yd/h
Click here to see answer by stanbon(75887)

Question 74115: 10 c/min=____qt/h
Click here to see answer by Edwin McCravy(20055)

Question 74114: 8 qt/min=___gal/h
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Question 74111: 44 yd/s=____mi/h
dimensional analysis
Click here to see answer by funmath(2933)

Question 74110: 12 m/min=______cm/s
dimensional analysis
Click here to see answer by funmath(2933)

Question 78696: CONVERT 15 MILES PER HOUR TO X FEET PER MINUTE.
Click here to see answer by stanbon(75887)

Question 78692: HOW DO I EXPRESS EACH RATIO AS A UNIT RATE ROUNDING TO NEAREST TENTH OR CENT? EXAMPLE: 145 MILES IN 3 HRS
Click here to see answer by checkley75(3666)

Question 80643: what is the standard form equation of the conic given ? 4x^2-5y^2-16x-30y-9= 0
Click here to see answer by stanbon(75887)

Question 83598: A rectanular plot has been fenced with 500ft of wire. find the length and width of th plot if the length is 4 more than twice the width. Be sure to show both length and width along with units in your answer
Click here to see answer by gsmani_iyer(201)

Question 84022: i do not understand dimensional analysis example convert the rate using dimensional analysis 26 miles/hour= ------feet/second
Click here to see answer by stanbon(75887)

Question 73238: If a scael drawing of one of these is 3cm wide how wide is teh actaul item in cm on a scale of 1:12cm?
Click here to see answer by terbear1963(43)

Question 88634: If 40 mg of a radioactive substance decays to 5mg in 12 minutes, find the half-life, in minutes, of the substance.
Click here to see answer by ankor@dixie-net.com(22740)

Question 91572: Find the value of 3a when a= -4
Find the value of 20x when x= 10
Evaluate a-13 when a=33
Evaluate 2+3y when y =8
Find the value of 11(a+b)when a = 7 and b=3
Evaluate 3x+2y-2z when x =5, y=2 ans z =1
Evaluate 5x-2y+4z when x =3,y = 2 and z =4
Evaluate 6a + 4b-3c when a =4,b=7 and c = -2
Evaluate 3x +5y when x = 11 and y =4
evaluate 8x-4y when x =2 and y = 3
Simplify 3-10+9.7
Simplify 16-10 divide 5+13
Simplify 2+3.10 divide 5.3-9

Click here to see answer by praseenakos@yahoo.com(507)

Question 92535: the elevator in the washington monument takes 75 seconds to travel 500 feet to the top of the floor. what is the speed of the elevator in miles per hour?
Click here to see answer by stanbon(75887)

Question 96049: I am a homeschooling mom and i can not remember how to set up this problem to teach my son. if you could show me how to set it up that would really be help full THank you the problem is Use two unit multipliers to convert 100,000 square feet to square miles. thank you in advance for your help
Click here to see answer by checkley71(8403)

Question 94885: how many kilograms are in 2500 milligrams
Click here to see answer by edjones(8007)

Question 96484: Hi there
i am so much struggling to convert from m/s to l/min. Thank you so much for your help, much appreciated
Click here to see answer by stanbon(75887)

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