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natima [27]
3 years ago
12

Pls help meeeeeeee with this

Mathematics
1 answer:
hammer [34]3 years ago
4 0
:):(:(:):)(:(:$:):(:(:(:):)3():):);;
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What is -3 = z - 8 (solve the equation, check the solution)
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z=5 :)

Step-by-step explanation:

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3 years ago
Joseph drives 125 miles in 2 1/2 hours. At the same rate , how far will he be able to travel in 6 hours ?
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Determine whether the given procedure results in a binomial distribution​ (or a distribution that can be treated as​ binomial).
MArishka [77]

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B. ​No, because the trials of the experiment are not independent and the probability of success differs from trial to trial.

Step-by-step explanation:

The first criterion of a binomial distribution is a fixed number of trials.  Selecting 5 senators means the number of trials is 5, which is a fixed number.

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4 years ago
Find all points having an x-coordinate of 2 whose distance from the point (-1,-2) is 5
mariarad [96]
The\ equation\ of\ the\ circle:(x-a)^2+(y-b)^2=r^2\\\\where\ (a;\ b)\ -the\ coordinates\ of\ the\ center;\ r-the\ radius\\-----------------------------\\(-1;-2)-the\ center\ of\ the\ circle\\r=5\\\\The\ equation:(x+1)^2+(y+2)^2=5^5\\\\Put\ x=2\ to\ the\ equation:\\\\(2+1)^2+(y+2)^2=25\\3^2+(y+2)^2=25\\9+(y+2)^2=25\\(y+2)^2=25-9\\(y+2)^2=16\iff y+1=\pm\sqrt{16}\\\\y+1=-4\ or\ y+1=4\ \ \ \ \ |subtract\ 1\ from\ both \sides\\y=-5\ or\ y=3\\\\Answer:(2;-5)\ and\ (2;\ 3).
5 0
3 years ago
Catherine paid $144.97 for an MP3 player. If the price paid includes a 9% sales tax, which of the following equations can be use
scZoUnD [109]
Catherine could take the original price of $144.97 and multiply it by .09 (9%). This would equal a sales tax of $13.073 which could be rounded to $13.01. Then add the original price of $144.97 to the tax of $13.01 to get a total of $157.98.
5 0
3 years ago
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