Questions on Algebra: Unit Conversion answered by real tutors!

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Question 1158637: A manufacturing firm makes a production run of 3,750 pieces. Each piece is 78.30 millimetres long. The cost of material per meter of length is $2.40. Allowing 10% for waste and scrap, what is the material cost for the 3,750 pieces? Round to nearest dollar.
Click here to see answer by josmiceli(19441)

Question 1160136: Use the given information to determine the values of sine 2 theta, cosine 2 theta, and tangent 2 theta.
cos theta=8/17; The terminal side of theta lies in quadrant IV.
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Question 1160135: Use the given information to determine the values of sine 2 theta, cosine 2 theta, and tangent 2 theta.
cos theta=8/17; The terminal side of theta lies in quadrant IV.
Click here to see answer by greenestamps(13200)

Question 1162015: A simple pendulum is set up on a distant planet. It swings through 98 complete cycles in 146 s. Find:
(a) The period of the pendulum.
(b) The frequency of the pendulum.
(c) If the length of this pendulum is 0.34 m, find the value of acceleration due to gravity on this planet.

For c I am using 𝑇 = 2𝜋√𝐿/g i think
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Question 1162014: The volume of a sphere is 24.5 cubic inches (in3). Express this volume in (a) cubic feet and (b) cubic meters.

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Question 1162014: The volume of a sphere is 24.5 cubic inches (in3). Express this volume in (a) cubic feet and (b) cubic meters.

Click here to see answer by Alan3354(69443)

Question 1162013: The fuel efficiency of a certain car is 31.0 miles per gallon. Convert the efficiency into kilometers per litre.

The conversion factor from gallons to litres is: 1 gal = 3.79 L.
Click here to see answer by josgarithmetic(39617)

Question 1162012: Convert the following into base SI units. Express your answers in scientific
notation with the correct number of significant figures.
(a) 6.12 μs
(b) 304 Mm
(c) 0.0450 mg
Click here to see answer by Alan3354(69443)

Question 1163796: I keep trying this and getting 39.8, which I know isn't right. I just can't figure out what I'm doing wrong.
You measured your weight and height to be 160.0 lb and 6.00 ft, respectively. determine your body mass index. BMI= (mass(kg))/((height(m))^2). 1.000 kg= 2.20 lb, 1.00m= 3.28 ft.
Thank you in advance!
Click here to see answer by htmentor(1343)

Question 1164020: one cubic foot holds 7.48 gallons of water, and 1 gallon of water weighs 8.33 pounds. how much does 6 cubic feet of water weigh in pounds? tons?
Click here to see answer by josgarithmetic(39617)

Question 1166163: The cost of hiring a band for a dance is $500 plus $1.25 for each person attending. If 320 people attend the dance, how much does it cost to hire the band

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Question 1166299: Mary wanted to wrap a gift. It was a small cube, 6in. wide. How much paper will she need?

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Question 1166644: if the mass of an object is 100mg what is the objects mass in kg?
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Question 1166768: The following information was reported in an article in a newspaper. A sheriff reported that investigators found 7.5 kilograms of cocaine in a car belonging to a man who lives in Virginia. This is a significant amount of cocaine, having a street value of about $1.4 million dollars.
How many pounds of cocaine were seized in this bust? (Round your answer to one decimal place.)
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Question 1166769: In recent history, 1 U.S. dollar was worth 17.93 Mexican pesos.
What is the exchange rate for converting dollars to pesos?
What is the exchange rate for converting pesos to dollars? Round your answer to three decimal places.

Click here to see answer by josgarithmetic(39617)

Question 1166766: Which is longer, a 500-meter dash or a 500-yard dash?
By how much? Round your answer to the nearest yard.

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Question 1166766: Which is longer, a 500-meter dash or a 500-yard dash?
By how much? Round your answer to the nearest yard.

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Question 1166767: My car gets 24 miles per gallon, and gasoline costs $2.50 per gallon. If we consider only the cost of gasoline, how much does it cost (in dollars) to drive each mile? Round your answer to the nearest cent.
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Question 1167842: A parachutist descends 90 feet in 5 seconds. Express the rate of the parachutist's change in height as a unit rate.
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Question 1168046: Hey am doing set How to work subset with M= because I got a work with M= 2,3,5,7

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Question 1169138: I don't really know the topic.
Which expression is equivalent to sin(2x) − sinx?

Click here to see answer by MathLover1(20849)

Question 1169776: Using the following conversions between the metric and U.S. systems, convert the measurement.
Round your answer to 6 decimal places as needed
1 meter ≈ 3.28 feet
1 Liter ≈ 0.26 gallons
1 kilogram ≈ 2.20 pounds
19.088 cL ≈
qt

Click here to see answer by MathLover1(20849)

Question 1100649: cindy has 50 feet of fencing. she wants to build a rectangular pen in which the width is 5 feet less than the length using all of the fencing
Click here to see answer by josgarithmetic(39617)

Question 1170675: Driving while texting is illegal because it keeps the driver's eyes off the road while the car continues traveling. Suppose you spent 4.9 seconds writing and sending a text message, while your car travels on a freeway at 60 miles per hour. How far, in feet, has your car traveled in that time? Round to one decimal place. (Hint: Start with 4.9 seconds and use dimensional analysis to find its equivalent in hours.)

Click here to see answer by Boreal(15235)

Question 1171773: how many map sheet of size 1x1m require to plot a 20x20 km city using scales of 1/500, 1/1000, 1/10000
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Question 1171773: how many map sheet of size 1x1m require to plot a 20x20 km city using scales of 1/500, 1/1000, 1/10000
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Question 1171772: a piece of land was plotted on a map having scale 1:20000. its area on this map = 100 cm2 what would be the area on the map having a scale 1:100
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Question 1173964: Use three unit multipliers to convert 5280ft to meters
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Question 1174672:

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Question 1175689: the amount of food a person needs is proportional to their volume. if a person five feet tall needs 2500 calories, how much would the same person scaled up to a height of ten feet need?
Click here to see answer by ikleyn(52781)

Question 1175688: wendy is 158 cm tall and is 2.4 meters away from the camera lens. the film is 4 cm away from the lens. how tall is her image on the film to the nearest tenth of a centimetre?
Click here to see answer by greenestamps(13200)

Question 1156075: How many teraseconds are in a 45.00 femtoyears? (assume 365 days per year)
1 terasecond= 10e12
All I know is femto means= 10e-15
Please help! thank you!

Click here to see answer by CubeyThePenguin(3113)

Question 901347: use two unit multipliers to convert 36 meters to inches

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Question 900202: Angela is building a pool that is 25 meters long. She has selected tile to put around the edge of the pool. Each tile is 8 inches long.
How many tiles will she need for one 25-meter side of the pool?
Click here to see answer by CubeyThePenguin(3113)

Question 876331: Use two unit multipliers to convert 2,500 yards to miles.
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Question 904413: Explain how dimensional analysis can be useful in checking the reasonableness of your answer.
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Question 869712: Convert the rate of 10 yards per 5 minuets to feet per hour.
Convert the rate of 12 pints per 15 minuets to quarts per hour.
Convert the rate of 48 ounces per 2 hours to pounds per day.
Click here to see answer by CubeyThePenguin(3113)

Question 902337: The speed at which a certain computer can access the internet is 2 megabytes per second. How fast is this in megabytes per hour? (Please explain what your need to do and why..sorry I'm really bad at math.
Click here to see answer by CubeyThePenguin(3113)

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