4 years ago

A help would be greatly appreciated!

1 answer:

7 0

The tree was approximately 40.8ft tall.

You use the equation, a^2+b^2=c^2.
12^2 + 39^2 = x^2, add the results of 12^2 and 39^2 to make 1665 = x^2. You can take the positive root of both sides, 3√185, and it equals 40.80441152, which is rounded to 40.8.

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Show how to solve a)

rewona [7]

Answer:

Plug 3 into everywhere there is an 'x', and solve.

3 0

3 years ago

from a set of seven math books, nine science books, and five literature books, in how many ways can a student select two from ea

Over [174]

There are 7 math books, 9 science books and 5 literature books. Student has to select 2 books from each set.

This is a combination problem.

Number of ways to select 2 math books from 7 books = 7C2 = 21
Number of ways to select 2 science books from 9 books = 9C2 = 36
Number of ways to select 2 literature books from 5 books = 5C2 = 10

Total number of ways to select 2 books from each set = 21 x 36 x 10 = 7560 ways.

So there are 7560 ways to select 2 books from each set of seven math books, nine science books, and five literature books

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4 years ago

1<br> 12. What is heavier 100 lb or 1000oz

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Answer:

100 lb

Step-by-step explanation:

1 lb = 16 oz

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3 years ago