There is a light post that is 9 feet tall that casts a shadow that is 6 feet long. At the same time, there is a tree that casts
1 answer:
Answer:
The height of the tree is 21 ft
Step-by-step explanation:
we know that
A light post that is 9 feet tall that casts a shadow that is 6 feet long
so
by proportion
Find out the the height of the tree if a tree that casts a shadow that is 14 feet long
Let
x ----> the height of the tree
therefore
The height of the tree is 21 ft
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Leanne has a gas card that has $150 on it. She spends $25 a week on gas.
And we have to Write a recursive rule that represents the amount of money she has on her gas card after the first week .
Recursive rule shows the relationship between previous value and the current value .
And here, the recursive rule is
Where a(n-1) is the initial amount which is $150 . And a(n) is the amount after n week .
So for n=1, that is amount in the card after 1 week, we will get
And that's the amount remaining in the card after 1 week .