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V125BC [204]
2 years ago
7

Solve the equation x² - 6x = 15 by completing the square.

Mathematics
1 answer:
jonny [76]2 years ago
4 0

Answer:

Use the formula  ( b 2 ) 2  in order to create a new term. Solve for  x  by using this term to complete the square.

Exact Form: x = ± 2 √ + 3

Decimal Form:  x = 7.89897948

1.898979488

Step-by-step explanation:

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8m^3 - 28m^2 + 6m - 21. You solve by factoring by grouping!!! quick please
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Answer:

(2m - 7)(4 {m}^{2}  + 3)

Step-by-step explanation:

8m^3 - 28m^2 + 6m - 21 \\  = 4 {m}^{2} (2 {m}  - 7) + 3(2m - 7) \\  = (2m - 7)(4 {m}^{2}  + 3)

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2 years ago
Jana pencil is 8.5cm long.teds pencil is longer.what is the length of Ted's pencil
Mumz [18]
This is not enough info to determine the length of teds pencil
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3 years ago
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Novosadov [1.4K]

Answer

Step-by-step explanation:

If you deposit money, your bank account shows it as +3

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In the form of a paragraph, use complete sentences to describe some of your observations that helped you to conclude who researc
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Answer:

1st pic:

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mean: 11.31

median: 9

mode: none

range: 26

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range: 92

2nd pic:

The first histogram has a large amount of cheaper books and doesn't have any books that are above $29.99. This histogram sells cheaper books. The second histogram sells a more even distribution of books by cost. There are no bins that are significantly higher than the rest. This second histogram sells more expensive books.

3rd pic:

The first set of data shows that the difference in the prices is very small while the second set of data shows a larger variety of prices. The first set represents its prices in equally divided groups making it easier to read and determine than the second set of data.

Step-by-step explanation:

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