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Viktor [21]
2 years ago
13

What desmal is inbetween 1/2 and 3/4

Mathematics
1 answer:
Elis [28]2 years ago
7 0

Answer:

1/2 = 0.5

3/4 = 0.75

Step-by-step explanation:

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seraphim [82]

Answer:

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3 0
2 years ago
A sample of 135 firecrackers contained 8 duds. How many duds would you expect in a sample of 2025 ​firecrackers?
Zanzabum
344. 8 out of 135 is 17% so 17% of 2025 is 344.
6 0
4 years ago
12,13,14 help please
PSYCHO15rus [73]
12. 15 (3x5x1)
13.  8  (4x2x1)
14. 18 (6x3x1)

Hope this helps! :D
5 0
3 years ago
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Hi:) anyone able to help with this question ? I don’t understand it. Thank you :)!
makvit [3.9K]

It is possible for John to catch the key.

<u>Explanation:</u>

Given:

height, h = 6m

h = -11t² + 20t + 1

Substituting h = 6m in the equation

6 = -11t² + 20t + 1

11t² - 20t + 5 = 0

On solving the above quadratic equation we get

t = 1.5 seconds approximately.

Thus, we can say that John will be able to catch the key because the key reaches to him in 1.5 seconds.

6 0
4 years ago
The Stanford-Binet Intelligence Scale is an intelligence test, which, like many other IQ tests, is standardized in order to have
igomit [66]

Answer:

The  margin of error is MOE  =  9.68

Step-by-step explanation:

From the question we are told that

    The sample size is n=  16

     The  standard deviation is \sigma  =  15

     The  confidence level is  C = 99%

Generally the level of significance is mathematically evaluated as

     \alpha  = 100 -  C

     \alpha  = 100 -  99

     \alpha  = 1%%

   \alpha  = 0.01

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

     Z_{\frac{\alpha }{2} } = 2.58

The  reason obtaining the critical value of  \frac{\alpha }{2} instead of  \alpha is because we are  considering the two tails of the area normal distribution curve which is not inside the 99% confidence interval

   Now the margin of error is evaluated as

              MOE  =  Z_{\frac{\alpha }{2} } * \frac{\sigma}{\sqrt{n} }

substituting values

            MOE  =  2.58 * \frac{15}{\sqrt{16} }

           MOE  =  9.68

     

8 0
3 years ago
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