Sally purchased notebooks at $2.50 apiece, and pens at $1.00 apiece. If she bought a total of 12 items for $24.00, how many notebooks did she buy?

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31/2sinx + cox is maximum when x is

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help!Jeremy is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is even} and let B = {the sum of the number cubes is divisible by 3}. List the outcomes in A ∩...

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Consider the three samples listed in the table: A 1,3,5 B 0,6,2,5,2 C 3,12,6,3 Obtain the sample mean and the sample standard deviation of each of the three samples.Obtain...

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Consider the three samples listed in the table: A 1,3,5 B 0,6,2,5,2 C 3,12,6,3 Obtain the sample mean and the sample standard deviation of each of the three samples.Obtain...

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cube of a number equals sixty-four times the same number

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Sin 3x + sin2x - sinx = 4sinxcos(x/2)cos(3x/2)

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1. (a + 2) (a+2) 2. 12a^3b^2 + 4a^4b^5 + 16ab^2 divided by 4ab^2

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where x is the number of days since the concert was first announced. When will daily tickles sales peak and how many tickets will be sold that day?

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Time(seconds) .75 | 1.5 | 2 | 2.25 | 2.75 | 3.5 Height(feet) 108 | 119 | 116| 112 | 97 | 59 1. What type of function best models this data linear exponential quadratic or other...

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Please solve: (8-2)(12-3)(1/2)[4+1(2)

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4 x 2 + [8-(16-5)]

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A classic application of correlation involves the association between temperature and the number of times a cricket chirps in a minute. Listed below are the numbers of chirps in 1 minute...

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Noel has a credit card that charges interest at a rate of 12% p.a. but has no interest free period. He makes a purchase of $1750 on the credit card. In the next month Noel makes purchases...

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what is the application of the formula (x+y)^2?

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If the sides of a square are increased by 3cm the area becomes 64cm2

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Osmosis is the movement of water from an area of high concentration to an area of low concentration across a semi permeable membrane, but how does it link to the surrounding water being Hypertonic,...

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1. f(x)=3x2 -3 2. g(x)= 1/9x2 3. h(x)= -x2 ive tried to do this multiple times and I feel like I keep getting the table wrong which prohibits me from finishing the questions. I...

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the length of a rectangle is 3cm more than the width the area is 70cm2

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find and interpret the slope of the line