The value of x = 24
Step-by-step explanation:
The proportion is set as ;
Applying cross product
9*16=6*x
144=6x --------simplify by dividing by 6 both sides
144/6 = 6x/6
24=x
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Proportion in Enlargement : brainly.com/question/9930004
Keywords : proportion, enlargement ,triangles, cross products
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Answer:
Step-by-step explanation:
Notation
represent the sample mean
population mean (variable of interest)
s represent the sample standard deviation
n represent the sample size
Solution to the problem
The confidence interval for the mean is given by the following formula:
(1)
For this case the 9% confidence interval is given by:
We can calculate the mean with the following:
And we can find the margin of error with:
The margin of error for this case is given by:
And we can solve for the standard error:
The critical value for 95% confidence using the normal standard distribution is approximately 1.96 and replacing we got:
Now for the 98% confidence interval the significance is and the critical value would be 2.326 and then the confidence interval would be:
Answer:
Trees contribute to their environment by providing oxygen, improving air quality, climate amelioration, conserving water, preserving soil, and supporting wildlife. During the process of photosynthesis, trees take in carbon dioxide and produce the oxygen we breathe.
Trees give off oxygen that we need to breathe. Trees reduce the amount of stormwater runoff, which reduces erosion and pollution in our waterways and may reduce the effects of flooding. Many species of wildlife depend on trees for their habitat. Trees provide food, protection, and homes for many birds and mammals.
They give us clean water to drink, air to breathe, shade, and food to humans, animals, and plants. They provide habitats for numerous species of fauna and flora, firewood for cooking and heat, materials for buildings and places of spiritual, cultural, and recreational importance.
Yes, of course. He is like the Lorax, he lives amongst the trees, protecting them from the forces of evil.
Answer:
I don't really know sorry