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BartSMP [9]
3 years ago
6

the middle of a game, Dawn has a score of -17. At the end of the game, Dawn’s score increases by 21. What is Dawn’s score at the

end of the game? Show your work.
Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0

Answer:

4

Step-by-step explanation:

-17 + 21 is the same thing as 21 - 17, and 21 - 17 is 4

hope this helps! :D

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Find the value of x cubed minus 2x squared minus 7x + 5 of x=1/2-√3 ​
Svetach [21]

9514 1404 393

Answer:

  3

Step-by-step explanation:

For f(x) = x^3 -2x^2 -7x +5 and x=1/(2-√3), we have ...

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and ...

  x = 1/(2-√3) = (2+√3)/(2^2 -3) = 2+√3

Then ...

  f(2+√3) = ((2 +√3 -2)(2 +√3) -7)(2 +√3) +5

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  f(1/(2 -√3)) = 3

_____

If you really mean x = (1/2) -√3, then f(x) = (42√3 -3)/8.

6 0
2 years ago
the area of a rectangle of a barn is 200 square feet. the length is 10 feet longer than width . find the length and width of the
Elina [12.6K]

Area of rectangular barn = 200 (sqft)

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Length x Width = 200 ==> (Width+10)Width = 200

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8 0
3 years ago
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sleet_krkn [62]

Answer:

D

Step-by-step explanation:

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8 0
1 year ago
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