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Bond [772]
3 years ago
9

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Kamila [148]3 years ago
7 0

Answer:

ok imma be honest i dont have a clue jk

Step-by-step explanation:

use a calculator

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A = 26/3 * 23/4
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3 years ago
A5= -68 and r=-0.5 ; find a1
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Answer:

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Step-by-step explanation:

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4 years ago
A professor at a university wants to estimate the average number of hours of sleep the students get during exam week. The profes
balandron [24]

Answer:

The sample size is n = 2

Step-by-step explanation:

From the question we are told that

   The margin of error is  E =4.266

    The standard deviation is  \sigma = 2.539

From the question we are told the confidence level is  99% , hence the level of significance is    

      \alpha = (100 - 99 ) \%

=>   \alpha = 0.01

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

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Generally the sample size is mathematically represented as  

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

=>  n = [\frac{2.58  *  2.539  }{4.266} ] ^2

=>  n = 2

6 0
3 years ago
The area of a rectangle is 36 square inches, and its perimeter is 26 inches. What are the length and width of the rectangle?
gogolik [260]

Answer:

9 and 4

Step-by-step explanation:

5 0
3 years ago
How many times does 7 go into 163
marusya05 [52]

Answer:

7 goes into 163 23 times.

Step-by-step explanation:

You can find this answer by dividing 163 and 7 which would lead you to 23, with some remainder.

5 0
4 years ago
Read 2 more answers
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