use sigma notation to write the sum 9/(i+1)+9/(i+2)+9/(i+3)+....+9/(i+14)

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A particle is moving with velocity v(t) = t^2 – 9t + 18 with distance, s measured in meters, left or right of zero, and t measured in seconds, with t between 0 and 8 seconds inclusive. The position...

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algebra 2 is complicated

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can you help me with this

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Help me

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can you help me with this please Thanks

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31/2sinx + cox is maximum when x is

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I am doing auditing and have a member that did 50 transactions. Out of the 50 transactions she had 7 wrong. What would the percentage be?

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When i do my homework, my mind always wanders off to some other place, and i cant keep focused. Any suggestions? Thank you!

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

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

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A car travelling at 60km/h overtake another car travelling at 42km/h. Assuming each to be 5m long , find the time taken during the overtake and the total road distance used for overtake?

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

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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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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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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...