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inessss [21]
3 years ago
6

What are the disadvantages of fire

Mathematics
2 answers:
matrenka [14]3 years ago
4 0
Can you provide more information? Where would the fire be? What type of fire?(wildfire, controlled fire) What is the purpose of the fire?
tankabanditka [31]3 years ago
3 0
The disadvantages of fire is it can produce smoke which is harmful to organisms, it can cause environmental damage (like wildfires), and it depletes oxygen from the atmosphere and releases CO2, which is harmful to oxygen breathing organisms.
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Which ordered pairs are solutions to the inequality −2x+y≥−4 ?
GalinKa [24]
The answer would be A
3 0
3 years ago
A manufacturer of paper coffee cups would like to estimate the proportion of cups that are defective (tears, broken seems, etc.)
Maksim231197 [3]

Answer:

a

  The 95% confidence interval is  0.0503  <   p < 0.1297

b

The sample proportion is  \r p =  0.09

c

The critical value is  Z_{\frac{\alpha }{2} } =  1.96

d

 The standard error is  SE   =0.020

Step-by-step explanation:

From the question we are told that

   The  sample size is  n =  200

     The number of defective is  k =  18

The null hypothesis is  H_o  :  p  =  0.08

The  alternative hypothesis is  H_a  :  p > 0.08

Generally the sample proportion is mathematically evaluated as

            \r p =  \frac{18}{200}

            \r p =  0.09

Given that the confidence level is  95% then the level  of significance is mathematically evaluated as

        \alpha  =  100 -  95

        \alpha  =  5\%

        \alpha  =  0.05

Next we obtain the critical value of  \frac{ \alpha }{2} from the normal distribution table, the value is  

        Z_{\frac{\alpha }{2} } =  1.96

Generally the standard of error is mathematically represented as

          SE   =  \sqrt{\frac{\r p (1 -  \r p)}{n} }

substituting values

         SE   =  \sqrt{\frac{0.09  (1 -  0.09)}{200} }

        SE   =0.020

The  margin of error is  

       E =  Z_{\frac{ \alpha }{2} }  * SE

=>    E =  1.96  *  0.020

=>   E =  0.0397

The  95% confidence interval is mathematically represented as

     \r p  -  E  <  \mu <  p <  \r p  + E

=>   0.09 - 0.0397  <  \mu <  p < 0.09 + 0.0397

=>  0.0503  <   p < 0.1297

7 0
3 years ago
Which of the following sets of values correctly completes the t-chart for the equation y = 2x2 - 1. image below
Inessa [10]

Answer:

y=3

Step-by-step explanation:

you times 2 and 2 together and it  give you 4

8 0
3 years ago
There are 34 balls in a bucket. The balls are numbered from 1 to 34. One ball is randomly selected from the bucket. What is the
V125BC [204]

Answer:

1/34

Step-by-step explanation:

There is one 13 ball and there are 34 balls total.

1/34 is the answer. :)

4 0
3 years ago
Read 2 more answers
Please help I will mark brainlyest​
IgorLugansk [536]

Answer:

C.  x^5/2 + 6x^3/2 + 1.

Step-by-step explanation:

(x^3 + 6x^2 + x^1/2) / x^1/2

= x^(3 - 1/2) + 6 x(2-1/2) + 1

= x^5/2 + 6x^3/2 + 1.

3 0
3 years ago
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