04/30/15

What is the distributive property of 12+20
i am doing khan academy and i need help with the distributive property. i am in 7th grade if that helps!!
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04/29/15

Exactly how many passwords are possible?
An internet password must be 6 characters long, starting with one digit, the four letters, then another digit. Capital letters may be used, and are different.
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04/29/15

How do I find the area of a rectangular room with a volume of 2079 cu ft and height of 3 cu ft
A rectangular room has a volume of 2079 cu ft and a height of 3 cu ft. What is the area of the floor?
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04/29/15

How to put y-2=3/4(x-1) in slope intercept form
Help me with this please 
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04/29/15

frequency distribution
use the data to construct a frequency distribution   the following data represent the total number of years of formal education for 40 employees of a bank.   13 17 13 14 12 17 19 13 15 13 16... more
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04/29/15

distribution percentiles
suppose that the distribution of scores on an exam is closely described by a normal cure with mean 100. the 16th percentile of this distribution is 80. what is the 84th percentile?
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04/29/15

what is the answer to this, A small box of nails was 9 3/9 inches tall. If the large box of nails was 9 4/9 inches taller, how tall is the large box of nails?
I need help with this math question it is really confusing
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04/29/15

strategies
Ryan is given a list of 4 bands and asked to take a vote His vote must have the names of his favorite and second favorite bands from the list. How many different votes are possible?
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04/29/15

how much fuel would be left after using 2/3 of 20 liters on the first journey and using half of the remaining fuel in the second journey?
 How exactly would you try todo solve ir and with that equations?
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04/29/15

If 6 apples cost the same as 3 pears and 4 pears cost the same as 5 melons how many melons can you buy for the price of 32 apples
Please help
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04/29/15

p-value what is the p value of z
You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly different from 0.39. Your sample data produce the test statistic z=2.37. Find the... more
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04/29/15

You have $500 in a savings account. How long will it take to double that amount at an 8% annual interest rate?
this is a personal finnace question
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04/28/15

evaluate the logarithm to 2 decimal places
log2.97.5
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04/28/15

solve word problem using algebra
The Susan Hansen group in st. george, utah, sells $16,000,000 of single-family homes and townhomes a year. if a single family home, with an average selling price of 250,000, sell 3.5 times more... more
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04/27/15

What was the maximum revenue from the apartments?
the number of apartments that can be rented in a 100-unit apartment complex decreases by one for each increase of $25 in rent. The revenue generated from rent after x increases of $25 is given by... more
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04/27/15

Kinetic Energy
If a car has 53 J of kinetic energy, what will its new kinetic energy be if you double its speed? How will the kinetic energy of the car change if you speed of the car is reduced to 1/3 of its... more
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04/27/15

if you flip a coin 6 times that possible outcomes are tttttt,hhhhtt,hhhttt...etc. what is the possibility of repeat the any sequence immediately?
ex: fitst outcome ttthht . what is the possibility of getting second outcome is also ttthht?
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04/27/15

Consider an integrable function f(x) that is odd
Assume that integral from 0 to 5 f(x)dx=6 and integral from 0 to 8 f(x)dx=4   Find: -integral from 5 to 8 f(x)dx -integral from -5 to 8 f(x)dx                         Please Help!!
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04/27/15

120 pounds to 180 pounds
find the percent change of 120 pounds to 180 pounds. 
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04/27/15

determine the amount of an investment if $300 is invested an interest rate of 6.75% compounded semiannually for 20 years.
exponential functions
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04/26/15

Algebra help-No idea
The supply function and demand function for the sale of certain type of DVD player are given by S(p)=150e^0.005p and D(p)=480e^-0.003p, where S(p) is the number of DVD players that the company is... more
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04/26/15

uniform distribution
The rate at which liquid plastic is poured into an injection molding machine is uniformly distributed and takes between 78 and 96 seconds to pour the liquid into the tank compartment.  what is the... more
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04/26/15

Determine the roots.
determine the roots of the quadratic equation.(complete the square) express your answer in exact values. 5x2+20x-1=0
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04/26/15

find the x intercept and the y intercept of the graph of the equation
-4x+5y=-8 I'm doing ECA review and can't remember how to do these type of problems. thanks for any help
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04/26/15

write the equationof the line in slope intercept form with the given information
(2,4) (5,-5) I'm doing an easy a review and I don't remember how to do this type of problem. anything helps. thank you. :)
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