06/20/17

how long is my water running if I have 6 zones in my yard that get watered 3 times a day for 3 minutes
can't figure out how long my water is running. I think it is 54 minutes per day  
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06/20/17

A 6-metre length of wire is cut into 12 pieces (calculus needed)
A 6-metre length of wire is cut into 12 pieces, and these are used to construct a box on a square base. Show that each piece should be 50 cm for the box to have (a) maximum surface area, and (b)... more
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06/20/17

You drop a stick from a height of 64 feet. How many seconds does your stick hit the ground?
I just don't understand this at all. Please help.
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06/20/17

The sum of 6 and three times a number is 63 find the number
the sum of 6 and three times a number is 63 find the number
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06/20/17

The length of a rectangular yard is 9 meters if 23 meters of fencing is required to fence the yard find the width
The length of a rectangular yardis 9meters. If 23meters of fencing are required to fence the yardfind its width.
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06/20/17

How many square yard are in a 20x 40 area?
I need to cover a 20x40 area with asphalt. The cost is $18 a square yard. How much will it cost me?
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06/20/17

Lena watched 24 movies she thought were very good. She watched 40 movies over the whole year. Of the movies she watched, what percenta
In the past year Lena watched 24 movies that she thought were very good. She watched 40 movies over the whole year. Of the movies she watched, what percentage did she rate as very good?
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06/20/17

Amy sells 54 books in 7 hours. What is amy unit rate?
Word problem
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06/19/17

In a metal alloy composed entirely of zinc, 3 of every 19 pound is zinc. If alloy weighs 836lbs. How many pounds of zinc and how many of copper doors it haves
Word problem 
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06/19/17

can i get help please
how much must be deposited into the following account in order to have 75,000 in 8 years for a down payment on a house? assume no additional deposits are made. An account with annunal compounding... more
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06/19/17

can u help me please
how much must be deposited into the following account in order to have 30,000 in 5 years for a down payment on a house? assume no additional deposits are made. An account with annunal compounding... more
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06/19/17

f(x)=x-9 find f(13)
I need help solving this. 
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06/19/17

if 2% of x is 1,513,914 what is x?
Looking for value of to understand what the result of changing x to 2.25%, 2.5%,2.75%, or 3%
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06/19/17

The number bacteria present at 8:00 am in a colony is 375. The population is increasing at a rate of 11% every hour
write an exponential equation to represent this growth. How many bacteria would be present after 9 hour?
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06/18/17

i pay someone 12.00 an hour but it includes the 15.3 payroll tax. how much am i really paying per hour and how much is the tax.
please help.,,i thought the 7.84 was the wage and 1.99 was the tax but that doesn't equal 12.00.  15.3n=12.00 12.00/153=1.99   
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06/18/17

what is n if n*15.3% equals 12.00 The rate of pay is 12.00 including the 15.3 payroll tax. what is the hourly wage rate? if i use 7.84 then 7.84 times 15.3% i
trying to figure out how much is an amount times 15.3% payroll tax if the total is 12.00   The rate of pay is 12.00 including the 15.3 payroll tax. what is the hourly wage rate? if i use 7.84... more
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06/18/17

HOw to reduce (4 * sin x) * (4*cos x) to (X) * (sin x)* (cos x)
Soluition is giving me a very large value for (X)    NOt seeing the trig reduiction process here.
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06/18/17

What is the volume in liters of 321 g of a liquid with a density of 0.84g/mL.
Using density as a conversion factor
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06/17/17

The magnetic force between an iron object and a magnet varies inversely as the square of the distance...
The magnetic force between an iron object and a magnet varies inversely as the square of the distance. The force generated by a magnet on the refrigerator door with a 3 cm gap is 2 lbs. What would... more
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06/17/17

What percentage greater is the area of a 12 in. plate compared with a 9 in plate?
The NBC Nightly News on June 21, 2010, featured a story about food portions, stating that dinner plates were 9 in. in diameter in the 1960s but now they are 12 in. in diameter "making room for... more
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06/16/17

ms chang has 24 students in her class 8 of them are boys what is the ratio.
i said it was 2:1 i just want to double check.
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06/16/17

Why would rates increase with a larger surface area of reactants?
Chemistry Question 
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06/16/17

the lines y=x-2 and x+y=6 intersect at a point.
Which is the point of intersection. Explain how you know. A (3,5) B(3,3) C(2,4) D(4,2)
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06/16/17

What is the relationship between the resistivity of a material and how much energy is lost to Joule-Lenz Heating?
Me:I'm an undergraduate looking to understand a concept in classical physics regarding Joule-Lenz heating. Intuitively, I had thought that running an electric current through a material with a... more
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06/16/17

You have a 20 gram piece of aluminum and a 40 gram piece of aluminum sitting in the sun. Which piece will arm by ten degrees first and why?
chemistry question
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