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Mashcka [7]
3 years ago
9

}^{2} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Luba_88 [7]3 years ago
5 0
Three x = Three x over 2 squared (x/2
)
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What are the roots of -12x2 + 11x − 3 = 0?
boyakko [2]
This equation is not factor-able, so we can use the quadratic formula.
x=(-11+square root(11^2-4(-12*-3)))/(2*-12)
x=(-11+square root(-23))/(-24)
Since we have the square root of a negative in this equation, there are no real roots for the quadratic.
6 0
3 years ago
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Mark bought a package of 62 candies to stuff 10 party favor bags. If each party favor bags receives and equal number of will be
timama [110]
2 candies will be left over after you but ten in each bag.
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3 years ago
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Confidence Interval Application Many people feel that the drying of pavement marking paint is much too slow. You spend several d
djyliett [7]

Answer:

The sample size is  n =33

Step-by-step explanation:

From the question we are told that

  The margin of error is E  =  1.5 seconds

   The standard deviation is  s =  4 seconds

 Given that the confidence level is 97% then the level of significance is mathematically represented as

      \alpha =( 100 -97)\%

=>   \alpha  =  0.03

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  2.17

Generally the sample size is mathematically represented as

    n  =[  \frac{Z_{\frac{\sigma }{2 } } *  \sigma }{E} ]^2

=> n  =[  \frac{2.17  * 4 }{1.5} ]^2

=>  n =33

7 0
3 years ago
Un trabajador gano el lunes 2 y 2/3 euros y el martes 2/5, cuantos euros gano en los dos días?
babymother [125]

Answer: <em>no hablo espanol</em>

5 0
1 year ago
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Kate has 21 coins (nickels and dimes) in her purse. How many nickels and dimes does she have if she has $1.50? A. 3 nickels and
Molodets [167]

C. 12 nickels and 9 dimes.

This is the only one that adds up to 1.50


5 0
3 years ago
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