03/01/16

Write the equation of the line that passes through the point P(1, 2) and is perpendicular to the line y = -4x + 7.
please help!!
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03/01/16

X^2-8x=0 complete the square
Complete the square 
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03/01/16

helppppppppp
suppose that IQ scores are approximately normally distributed with a mean of 100 and standard deviation of 10. what percentage of people have IQ scores greater than 125?
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02/29/16

3 times the reciprocal of a number equals 9 times the reciprocal of 6
Im having troubles with word problems. translating into equations  
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02/29/16

there is a population of field mice that has been growing at a rate of 7.25% each year. the current population is 275 field mice.
write an equation to model the growth.
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02/29/16

Omar had 6250cm of strings.He cut it into 10 equal pieces. What would be the length of each piece of string?Express your answer in metres
Please Help as soon as possible  
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02/29/16

How much will you interest will you earn if you invest $5250 at 6.1% interest compounded monthly for 22 years
How much will you interest will you earn if you invest $5250 at 6.1% interest compounded monthly for 22 years
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02/29/16

Solve trigonometric equation
Tan^-1 2x = sin^-1x please give exact answers
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02/28/16

Find value of unknown variable ?
P=2l+2w   If l=3.75 and P= 12.26
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02/28/16

Barbara wants to earn 500 a year by investing 5000 in two accounts a savings plan that pays 8% annual interest and a high-risk option that pays 13.5% interest.
how much should she invest in each account?
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02/28/16

solving inequalities
I'm having a little trouble with this problem, can you show me how to do it in steps? Question Robert works at a used car lot and earns a base pay of $150 per week and a commission of %8 of all... more
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02/28/16

How many rotations does one wheel make between checks if he rides exactly 500 miles?
A cyclist checks the air pressure of his 18-inch-diameter wheels every 500 miles during a cycling trip. How many rotations does one wheel make between checks if he rides exactly 500 miles? (Hint:... more
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02/26/16

i don't understand this
There are many ways to defrost a turkey. One way is to let it thaw slowly in the refrigerator, at a thaw rate of about 4 pounds per day. Another way is to submerge the turkey in cold water, which... more
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02/26/16

Functions for algebra 1
Pam has 2 part time jobs. At one job she works as a cashier and makes $8 an hour, at her second job she works a a tutor and makes $12 dollars an hour. One week she worked 30 hours and made $268.... more
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02/26/16

help? Thanks (:
A water reservoir is shaped like a rectangular solid with a base that is 50 yards by 30 yards, and a vertical height of 20 yards. At the start of a three-month period of no rain, the reservoir was... more
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02/26/16

I'm confused with this
Miss Crystal Palace just purchased – you guessed it – a crystal palace for $650,000. Shemakes a 25% down payment and finances the balance with a mortgage at an interest rate of5.6% for 15 years,... more
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02/26/16

Mr.Lee walks 250 my from the office to room S5. If he makes the trip in 4.0 min, what is his average speed
Science is hard for me
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02/26/16

please help
you have a car with a fuel efficiency of 30 miles per gallon. Define the function f that has "Number of miles driven" as its independent variable and "Number of gallons used" as its dependent... more
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02/25/16

Age problem
Anna's mother is seven less than thrice of Ana's age. Five years ago, Ana's age is five more than one-fifth of her mother's age. Find Ana's and her mother's age.
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02/25/16

After a 25% reduction you purchase a new iPad for $267.what was the price of the iPad
After a 25% reduction you purchase a new iPad for $267. What was the original price of the iPad 
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02/25/16

Hi I was wondering how to create an equation of the form y=Ae to the power of Bx using the values in the table
Hi I was wondering how to create an equation of the form y=Ae to the power of Bx using the values in the table. X values are 0,1,2,3,4,5,6,7 and the log y values are 0.693, 1.193, 1,693, 2.193,... more
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02/24/16

1500(1+0.031/12)12x30
I am having trouble resolving this problem, I don't really know how to do it.
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02/24/16

could someone help me find the GCF
Factor the following by taking out the greatest common factor.   12b+3
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02/23/16

For the two functions f(x) and g(x) what is the value of g(f(3))
X     f(x)              X     g(x) -5      7               -2        3 -2     -5                 1      -1 1       3                 2      -3 3       2                 3      -5
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02/23/16

The TechStuffs company has determined that the function P(q)= -14+101.4x-3x^2 represents the profit
The TechStuffs company has determined that the function P(q)= −14+101.4x−3x^2 represents the profit from selling x thousand TouchTips touchpads. How many touchpads should be sold, in order to... more
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