18 because I divided 36 divide by 2 should get 18
5 is a factor of 20
The multiples of 20 are
20, 40, 60, 80, 100, etc.
The function h(t)=6+3ln(t+1) is a logarithmic function
The height of the tree will exceed 18 feet after 53.6 years
<h3>How to determine the number of years?</h3>
The function is given as:
h(t)=6+3ln(t+1)
When the height is 18 feet, we have:
6+3ln(t+1) = 18
Subtract 6 from both sides
3ln(t+1) = 12
Divide both sides by 3
ln(t+1) = 4
Take the exponent of both sides
t + 1 = e^4
Evaluate the exponent
t + 1 = 54.6
Subtract 1 from both sides
t = 53.6
This means that the height of the tree will exceed 18 feet after 53.6 years
Read more about logarithmic functions at:
brainly.com/question/25953978
Answer:168 also the factors are 1,2,3,4,5,6,10,12,15,20,30
Step-by-step explanation:simple logic answer☀️
Using the given information, the value of Σfd is 800
<h3>Calculating mean using Assumed mean </h3>
From the question, we are to determine the value of Σfd
The formula for mean, using the assumed mean method is given by
![\bar x = A + \frac{\sum fd}{\sum f}](https://tex.z-dn.net/?f=%5Cbar%20x%20%3D%20A%20%2B%20%5Cfrac%7B%5Csum%20fd%7D%7B%5Csum%20f%7D)
Where
is the mean
A is the assumed mean
From the given information,
![\bar x = 80](https://tex.z-dn.net/?f=%5Cbar%20x%20%3D%2080)
![A = 60](https://tex.z-dn.net/?f=A%20%3D%2060)
![\sum f = 40](https://tex.z-dn.net/?f=%5Csum%20f%20%3D%2040)
Putting the parameters into the equation, we get
![80 = 60 + \frac{\sum fd}{40}](https://tex.z-dn.net/?f=80%20%3D%2060%20%2B%20%5Cfrac%7B%5Csum%20fd%7D%7B40%7D)
![80-60 = \frac{\sum fd}{40}](https://tex.z-dn.net/?f=80-60%20%3D%20%5Cfrac%7B%5Csum%20fd%7D%7B40%7D)
![20 = \frac{\sum fd}{40}](https://tex.z-dn.net/?f=20%20%3D%20%5Cfrac%7B%5Csum%20fd%7D%7B40%7D)
![\sum fd = 20 \times 40](https://tex.z-dn.net/?f=%5Csum%20fd%20%3D%2020%20%5Ctimes%2040)
![\sum fd = 800](https://tex.z-dn.net/?f=%5Csum%20fd%20%3D%20800)
Hence, the value of Σfd is 800
Learn more on Mean here: brainly.com/question/20118982
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