Questions on Algebra: Unit Conversion answered by real tutors!

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

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(57332)

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(15649)

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

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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(57332)

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
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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
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Question 96669: I am having trouble with chain unit conversions. Here is the question a DVD spins as fas as 1400 rpm. If the DVD is 4.87 inches in diameter how fast does the outer edge travel at maximal speed expressed in miles per hour, furlongs and per fortnight. 8 furlongs =1mile 14 days =1 fornight.
do i convert the 4.87 inches to pi then find the miles per hour?
could you show the chain unit conversion? I am finding miles per hour right?
Click here to see answer by stanbon(57332)

Question 97306: What is the algebraic expression of one-half the cube of a number?
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Question 98041: A cheetah ran 300 feet in 2.92 seconds. What is the cheetah's average speed in miles per hour?
I know that you would have to set it at 300ft./2.92s times 1mi/5280ft
but what i dont get is why would the feet be at the bottom when the distance is originaly at the top and the time is at the bottom?
Click here to see answer by stanbon(57332)

Question 98775: Five beans have a mass of 2.1g
How many beans are in 0.454kg of beans
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Question 98847: Use one unit multiplier to convert 20 inches to centimeters (2.54 cm = 1 in.)
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Question 100278:
Could someone please help me with a math problem. I need to find out this problem. 1/5 of a gallon is ___ml. I am not sure on how to even start to convert it. Thanks for your time.
Click here to see answer by edjones(7569)

Question 101323: How do you use 3 unit multipliers to convert 48700 cubic ft to cubic miles??
Click here to see answer by jim_thompson5910(28593)

Question 101970: Use two unit multipliers to convert 5000 square feet to square inches
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Question 103842: use two unit multipliers to convert 40 miles to inches
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Question 103945: how many milliliters are there in 600 milligrams ?
Click here to see answer by MathLover1(6628)

Question 103272: if a football player is 1.7ft short of the end zone how many more yards you need to make a touchdown
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Question 104280: I need to convert 38 yards per second to miles per hour.
I know that 1 yard = .9144mi but am having trouble converting!
Thanks
Click here to see answer by Fombitz(13828)

Question 105774: When he runs against the wind, Ricky can run 16km in 2 h. With the wind, he can run 5/4 the distance in 2 h. Find Ricky's running rate and the rate of the wind. Assume that both are constant.
Click here to see answer by joLeeBee08(3)

Question 106095: Could someone please help me with this problem. I have tried to work on it and not sure how to do it. Thanks...
How many calories are required at 0 degrees to melt an ice cube with a mass of 25g?
Thanks for all your help
Click here to see answer by scott8148(6628)

Question 106093: I have a question that I need some help on. I really appriciate any help!!
175g of water was heated from 15 degrees to 88 degrees celsius. How many kilocalories were absorbed by the water?

I am not even sure on how to set it up. Thanks so much.
Click here to see answer by scott8148(6628)

Question 106278: Carl Lewis, one of the great Olympian sprinters of this century can run 100 meters in 10 seconds. How fast is this in kilometers per hour?
Click here to see answer by tutorcecilia(2152)

Question 107179: i cannot convert this into a unit rate 100 meters ran in 12 seconds thank you for your time
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Question 107179: i cannot convert this into a unit rate 100 meters ran in 12 seconds thank you for your time
Click here to see answer by checkley75(3666)

Question 107238: There are over 2000 species of brittle stars. They live anywhere from the shoreline to 6755 feet underwater. How many miles is this distance?
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Question 109650: Hello Online math tutors, can you please help me with the following question below?
Consecutive even integers:
Find four consecutive even integers whose sun is 340
Thanks in advance for all of your help!
Brandi Whitley
brandi_whitley27@hotmail.com

Click here to see answer by checkley71(8403)

Question 111358: Hi! My question is about unit multipliers. My question is on a worksheet so i couldn't put the ISBN. I wasn't sure how to use two unit multipliers to convert 44 yards to inches. If you could help me that would be great
~Thank You~
Click here to see answer by scott8148(6628)

Question 111843: What are consecutive numbers?
And another question : Find three consecutive even numbers that have a sum of 36.
This is confusing!!!!!
-Jasmine
Click here to see answer by jim_thompson5910(28593)

Question 111842: The scale of a map is 2.5 : 40 km. Find the actual distance for each map distance. Round your answer to the nearest tenth if necessary.
1.) 15cm 2.) 4cm 3.) 21cm
Thanks whoever solves this!
-Jasmine
Click here to see answer by checkley71(8403)

Question 111840: Find the unit price of a 16 0z can of juice that costs $1.59? Thanks
Click here to see answer by checkley71(8403)

Question 111839: I need these answers ASAP!
Write the unit rate for each situation.
1.) bike 21 km in 50 min
2.) earn $18 for 1 hour 15 minutes work
3.) sew 9 curtain panels in 15 days

Click here to see answer by checkley71(8403)

Question 111887: Convert 9 minutes 15 seconds to minutes.
A peach weighs 65 grams. If you buy 10 peaches and they sell for $5.50 per kilogram, how much will they cost?
Click here to see answer by ankor@dixie-net.com(15649)

Question 112444: Change 2.6 km/day to m/week.
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Question 113383: it says How many inches are in 24 miles?
A) 24(5280) B) 24 C)24(12) D)24(5280)(12)
______ _____ _______
(12) (12)(5280) (5280)
ALL ANWSERS ARE IN INCHES PLEASE HELP
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Question 114772: find the y intercept of the line 2x+3y=6
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Question 114777: find the slope and y intercept of the line

9x+3y=-81
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Question 114780: the ordered pair (-3,-29/4)is the solution to what linear equation
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Question 114787: find the slope and y intercept of the line
6x-3y=36
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Question 114783: find the slope and y intercept of the line
y=-8x+7 is the line parallel to y=-1/8x+7?
Click here to see answer by MathLover1(6628)

Question 115741: find the x and y intercept of y=-9x-6
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Question 115770: find the y intercept of the line 2x+y=2
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