What is the answer to 9n=45 ?
2 answers:
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Answer: There are 1,816,214,400 ways for arrangements.
Step-by-step explanation:
Since we have given that
"REPRESENTATION"
Here, number of letters = 14
There are 2 R's, 3 E's, 2 T's, 2 N's
So, number of permutations would be
Hence, there are 1,816,214,400 ways for arrangements.
Answer:
The building is 32 feet tall.
Step-by-step explanation:
Consider the figure drawn below representing the given scenario.
AB represents the height of building, BC is the distance between the stake and building, C represents the stake at ground level, and DE represents the height of the tree growing halfway between building and stake.
Since the tree is growing halfway between B and C, therefore, the point E divides the line segment BC into 2 equal parts.
Therefore, or E is the midpoint of BC.
Also, from the figure, it is clear that both tree and building are vertical to the ground. So, DE || AB.
Now, from converse of mid-segment theorem, if a line passes through the midpoint of one side of a triangle and also parallel to the third side, then the line also passes through the midpoint of the second side and half the length of the third side (parallel side)
So,
Therefore, the building is 32 feet tall.
